The Checker Maven

The World's Most Widely Read Checkers and Draughts Publication
Bob Newell, Editor-in-Chief


Published every Saturday morning in Honolulu, Hawai`i

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Basic Checkers Part 8

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Richard L. Fortman (unknown date)

The late and legendary checkerist Richard Fortman in the 1970s assembled a set of typed manuscripts, in seven volumes, or parts, each one covering a family of opening moves. He called this collection Basic Checkers. It dealt with the first 20 moves in all of the then-current 3-move ballots. The book is filled not only with analysis and commentary, but also with anecdotes, stories, and much checker lore. It is to this day viewed as a classic and a must-study book for the aspiring master. The work was later revived in a modern one-volume edition, Basic Checkers 2010.

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Jim Loy

Noted author and analyst Jim Loy has extended Mr. Fortman's work with Basic Checkers: Part 8, providing play corrections, alternative lines, and additional commentary. Mr. Loy used modern computer tools not available to Mr. Fortman, as well as his own considerable analytical skills. Part 8 was written with Mr. Fortman's original edition in mind but it is equally usable with the 2010 reissue.

Mr. Loy has generously provided us with Part 8 for free electronic distribution to the checker playing public. You can download Part 8 here or via the Jim Loy page linked in the right-hand column.

20230404-bc2010.jpg

So, where can you get Basic Checkers?

Basic Checkers 2010 isn't available online but can be purchased from Amazon in the US and elsewhere for a reasonable price. Alternatively, in Part 8 Mr. Loy references an on-line version of the original Basic Checkers. That particular link has gone off the air but you can as of this writing still obtain the on-line version via the link below.

https://web.archive.org/web/20100507134443/http://home.clara.net/davey/basic.htm.

As a sample, here's a position that can arise from the 9-13 23-18 12-16 ballot. (For the run-up and full commentary, see p. 10 of Part 8.) Once thought to be a White win, it turns out Black can draw. Can you work it out?

WHITE
20230404-part8ex.png
BLACK
Black to Play and Draw

B:WK1,21,24,28,30,31,32:B2,4,9,12,14,15,16,19

Yes, it's rather a challenge, but a fascinating one. Give it your best and then click on Read More to see the solution.20050904-symbol.gif

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06/17/23 -Printer friendly version-
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The Big Day

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It was three weeks since Marvin J. Mavin had angrily left Priscilla K. Snelson's condo. Three weeks with no contact at all, not even a single text message, let alone a phone call or in-person meeting.

Marvin was the superstar captain of the Detroit Doublejumpers in the National Checker League, and Priscilla was his fiancee. She was the CEO of Rust Belt Holdings, a major international conglomerate. They were something of an unlikely pair, but they had been seeing each other for quite a few years.

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Marvin J. Mavin

The cause of Marvin's rapid exodus was Priscilla's demand that he cut his trademark dreadlocks prior to their upcoming wedding. Upcoming? It was only two days away.

After their fight, Marvin wasn't sure what would happen. As the days wore on, he was less and less sure, until finally he didn't know if the wedding was on or off. He asked a few of his friends, those who had received invitations, and they said that they hadn't heard from Priscilla about a change in plans or a cancellation.

20230418-invitation.jpg

Many events at which Marvin was supposed to be present had come and gone. Or at least the dates had come and gone. There was Priscilla's dress fitting. There was the cake tasting. There was the meeting with the Chief Justice of the Michigan Supreme Court, who was a personal friend of Priscilla's and was slated to officiate. And so on.

With the checker season over (the Doublejumpers didn't make the playoffs this year), and with some while until training camp began in August, Marvin had time on his hands, and he spent too much of it drinking beer at home or at a series of local dive bars. Truth have it, he was despondent. He thought he had driven Priscilla away once and for all. Although there had been a couple of close calls in the past, they had always resolved their difficulties. This time, Marvin wasn't sure.

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The next day came. It was the day of the rehearsal and the rehearsal dinner. Marvin considered giving Priscilla a call, but then he ended up back at the bar around noon and, well, overindulged. He made his way home in a haze, fell asleep, and didn't awaken until 11 PM. If there had been a rehearsal and a dinner, he had missed them both.

He checked his phone. No messages from Priscilla. Nothing from her parents or his mother, either. This wasn't looking good, and Marvin, still feeling the effects of the afternoon, went back to bed.

It must have been in the middle of the night that Marvin made a decision.

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He got up at around eight on Saturday morning. It was wedding day--- if there were to be a wedding. He had his doubts but decided to carry out his plan.

After a couple of cups of coffee, Marvin got in his old Volkswagen and drove to Twirly Tuxedos and Gaudy Gowns, determined to rent a tux for the wedding. He was going to show up at the Country Club. If the wedding was still on, great. If not, well, the Country Club had a great bar and he figured in a tux he would be welcome ... at least if Priscilla hadn't cancelled the associate membership she had gotten for him a little while back.

At Twirly Tuxedos, Marvin was received with the usual sneer by one of the staff named Stanley.

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"Uh, yeah, Stan, I need like a, you know, tux, for a wedding."

"Sir, kindly address me as Stanley, if you please."

"Okay there, Stanley, but look I ain't got a lot of time."

"You're Mr. Mavin, are you not? I can tell by the way you ... well, are you or are you not Mr. Mavin?"

"Yup. The very same."

20230417-tuxx.jpg

"There is a tux reserved for you, Mr. Mavin. It was reserved some while ago. I believe it suitable for a wedding, at least for someone a bit more refined in appearance than ... never mind. The tux rental, however, has yet to be paid. There is a note from Ms. Snelson that states that the wearer is to pay the bill."

Marvin reflected. What did this mean? He wasn't sure. "Okay, yeah, Stanley, how much?"

"A wedding tux of this caliber and quality rents for a bit of a higher price. It will be $1,000 plus tax and tip, plus a refundable $2000 deposit as a guarantee against damage."

"Two thousand deposit? How come?"

"We, shall you say, ask for a larger guarantee from ... certain classes of our clientele."

"Well, whatever, I ain't got much time." He pulled out his duct tape wallet and passed over a credit card.

Stanley ran the card. "I've added the customary 25% gratuity," he said.

20230417-gratu.jpg

"Gratuity? For what? You ain't done nothing."

"I did your fitting."

"Really? When?"

"Ahead of time."

"How can you ... oh forget it." Marvin signed the slip, took the tux, and hurried home to change. By the time he arrived it was close to noon and the wedding was at three. Maybe.

Now, Marvin wasn't quite adept at the various operations necessary for the donning of a tuxedo. He had a lot of trouble with the buttons and studs, particularly the cuffs, and when it came to tying the bow tie it was hopeless. He finally just made a shoelace bow and left it at that. Time was running short. It was already a few minutes after two.

He thought it best if he didn't drive his old Volkswagen to the Country Club. A taxi would be a better idea.

The trouble was, taxis didn't really like to come into Marvin's neighborhood, or at least not cabs from the better companies. The same was true for services such as Unter and Drop.

When it was two-thirty and no cab had come despite quite a few phone calls, Marvin had no choice but to drive his VW.

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The last thing he needed was to get stopped for speeding, but he went as fast as he could and even pushed his luck a little. He pulled up to the Country Club parking lot at ten minutes to three.

As he expected, the attendant gave his car a long, hard look. The attendant, resplendent in Country Club livery, came over to Marvin's already-open window and pointed an immaculately white-gloved finger at him.

"You sure you're in the right place, pal? You don't look like it. Now if I was you I'd just turn yourself around and drive on out of here before one of our members catches something from that car of yours."

"Hey, man, I'm here for a wedding, can'tcha see there here tux I got on?" Marvin replied.

The attendant took a closer look. "Yep, it's a tux, all right, although the bow tie looks like some kid tied it. So exactly whose wedding are you here for?"

20230417-undone.jpg

"It's my wedding. Well, at least I think it is. If there is a wedding."

"Your wedding? Now that's pretty funny. Best one I've heard all day. And you don't exactly sound sure. But there is a wedding here today. If you're on the level, you'll know whose wedding. So, tell me. Whose wedding?"

"I told you, mine. Marvin J. Mavin. The Mavin wedding."

"Sorry, wrong answer. So make tracks before I call security."

Marvin thought for a quick instant. It was now five to three. "No ... no ... it would be under her name ... the Snelson wedding! Priscilla Snelson!"

The attendant straightened up. "Yep, that's the one. So show me your invitation."

"I'm the groom and I don't need no steenkin' invitation!"

Now the attendant took off his cap and scratched his head, then replaced his cap. "Okay, whatever, I'll let the wedding people deal with it." He then lifted the gate to the parking lot.

20230417-dagate.jpg

Marvin, in his haste, almost stalled out the VW. "Look here," he said, "park this for me. I ain't got no more time. Priscilla will give you a nice tip."

Marvin got out of his car and ran toward the main building with the attendant shouting behing him, "I'm not the valet! I'll have this thing towed!" But Marvin paid him no heed.

He raced across the lawn and into the clubhouse. "The wedding ... where?" he asked a young woman on the desk staff, also impeccably dressed in Country Club livery.

"Out on the lawn," she replied. "But you can't just ... "

Marvin was already through the back door.

And there, quite a sight greated him.

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There must have been two thousand people present, in dozens of long rows of chairs flanking a wide central aisle lined with large, colorful flower bouquets in elegant golden stands. At the front of the very long aisle stood the Chief Justice of the Michigan Supreme Court, several maids of honor, a few men dressed in white tuxedos and ... Priscilla.

She was dressed in her hand-crafted Italian wedding gown, with a long train and a headress. Her makeup was perfect and her hair was piled in exquisite curls on top of her head. White lilies studded the hairdo.

She was standing with one hand on her left hip, with her right hand holding a watch, which she was closely regarding.

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It was exactly one minute before three. Marvin started the long walk up to the front of the assemblage, his eyes popping and scarcely able to breathe. Could this all be real?

Yes. It was real, and he knew it the moment he reached the front and stood next to Priscilla.

"It's about time. I didn't know if you were going to show, and despite everything I wasn't about to call off the wedding. About twenty minutes ago I had the police dispatched to your apartment, to your favorite bar, and some of your other haunts. They were going to bring you here in handcuffs if they had to. You're lucky you showed up on your own and spared yourself the ignomy."

20230417-cuff.jpg

"But just look at you," she went on. "You're wearing a black tux, not a white one."

"Stanley rented me this one," Marvin interjected.

"Quiet. Don't speak. I will deal with Stanley in due course. Now, your bow tie is a disgrace. It looks like a child tied it."

"I heard that before ... "

"I said not to speak! I'm not finished! Worst of all, you never cut your dreadlocks!"

Priscilla paused, as if thinking. "Well, the wedding must go on. But we'll talk about all of this afterwards."

She turned to the front. "Justice, we're ready to begin."

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Marvin stood in silence while the Justice said a few words about the occasion.

"Now, please join hands," he said to Marvin and Priscilla.

"I hope you at least washed your hands," Priscilla whispered. "No doubt you drove that filthy junkheap of yours."

Marvin took Priscilla's hands in his without replying.

"Marvin, repeat after me ... "

Marvin said his vows, and then Priscilla said hers.

"I now pronounce you spouse and spouse," the Justice concluded.

"Ain't it supposed to be man and wife?" Marvin asked out loud.

There was a murmur from the assembled crowd.

"No, Marvin, it's not. Join the 21st century," Priscilla said. Turning around to face the audience, she and Marvin walked hand in hand down the aisle. Cheers and applause rose and swelled to a crescendo.

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The reception and wedding dinner and dance were held in the clubhouse, and went off without further difficulty and only a few minor disputes. When it was time to cut the wedding cake, waiters rolled out an enormous three tier cake, and to Marvin's delight, there was also a special sheet cake with the following design piped on it with red, green, yellow, and white icing.

20230418-sheet.jpg

"Hey," Marvin said, a wide grin spreading across his face, "White to play and win, right? Now, I think if you just ... "

"Later, Marvin," Priscilla said. "I'm so glad you like the cake but the checker problem really does have to wait."

"Aw, gee, Prissy ... "

Priscilla interrupted. "It's our wedding day so I'll let you get away with calling me 'Prissy'--- once. Now focus, Marvin, and not on the checker problem." Marvin, though looking a bit disappointed, proceeded gamely with his part in the festivities.

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When the celebrations were finally coming to an end, Marvin and Priscilla went outside amidst another round of cheers to Priscilla's waiting limousine.

"Hey, what about my car?" Marvin asked.

"Oh, the Club had it towed. You won't need that old thing any longer."

20230418-towed.jpg

"Hey I want my car back ... "

"No time. The limo is taking us to the airport. I've chartered a private jet to take us on our honeymoon."

"What honeymoon?"

"The one we agreed on. Well, the one I agreed on at least, while you were acting so childish about your dreadlocks ... which you managed to keep despite everything. But in any case, we're going to Corsica. I've managed a week off work."

20230418-corse.jpg

"But I ain't packed or nothing."

"Don't worry, I've taken care of everything ... spouse." Priscilla gave Marvin a warm smile.

Marvin, charmed, smiled back. "Okay ... wife," he said.

"Um, Marvin? Remember? 21st century?" Priscilla paused. "Oh, the heck with it," she said, and pulled Marvin close as the limo sped off.


BLACK
20230418-bigdaybw.png
WHITE
White to Play and Win

W:W9,11,13,22,K23,26:BK12,K24,K25,K30

There seems to be a pattern to it. Marvin gets a glimpse of an interesting checker problem but doesn't get to solve it. However you, our reader, can solve it at your leisure (unless perhaps you're reading this column at your own wedding, something we don't recommend). It's another great composition from Grandmaster Composer Brian Hinkle; it's certainly not "a piece of cake" but it's quite something. Try it out and then marry your mouse to Read More to see the solution.20050904-symbol.gif

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06/10/23 -Printer friendly version-
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A Tricky One

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The magician above is indeed full of all sorts of tricks and we might well call her a "tricky one" although likely she would rather be known by the more formal designation of prestidigitator.

Often in the early part of each month we present a "speed" problem--- something for you to solve as quickly as you can. Such problems generally fall into the "easy" category. Today, though, we have a "tricky one" sent along (with analysis) by regular contributors Lloyd and "Gosh Josh" Gordon of Toronto. Is it as full of tricks as the magician above? You'll have to decide for yourself.

BLACK
20230404-tricky.png
WHITE
White to Play and Draw

W:W14,17,18,20,21,22,23,25,30,32:B5,6,7,9,10,11,12,13,16,19

Although the problem terms are for White to find the draw, see if you can also hold the draw for Black. Unless you're an upper-level player you may not solve this one speedily, but some effort will be well rewarded. When you're ready to see the solution, though, there's no trick; just click on Read More.20050904-symbol.gif

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06/03/23 -Printer friendly version-
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Season's End

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The Coffee and Cake Checker Club was in session at the Beacon Cafe in the Provident Life Building, in Bismarck, North Dakota. It was May 21, 1955 (it's always 1955 at the Beacon Cafe), the last Saturday before the Memorial Day weekend, and that meant it was the last time the club would meet before its summer break, which lasted until after Labor Day weekend in September.

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Sal Westerman

At just after one o'clock, there was already a great turnout. Of course Sal, the unofficial leader, had arrived on time, and also on hand were regulars Tom, Wayne, Dan, Louie the Flash, Sam, and Mike, as well as less frequent attendees such as Ron, Kevin (a.k.a. "Spooler") and Blaine, who at age twenty five was the only member under fifty years old.

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Deana Nagel

There were so many attendees that they took up two large booths in the back of the cafe, and Deana, the proprietess of the Beacon, couldn't have been happier. A good turnout meant good sales, and she didn't hesitate to announce that fresh Mixed Berry Bars were on hand in quantity to go along with large quantities of North Dakota style coffee (brewed traditionally with four scoops of coffee grounds per gallon of water).

20230403-bars.jpg

A lot of the chatter was about plans for the summer. Sal was going to Las Vegas to play in a major tournament, the North American Classic, a high caliber event which would feature both amateur and professional players. Dan and Wayne were going to play a couple of weekend tournaments in Minneapolis. And of course several of the others would play in the big tournament at the North Dakota State Fair up in Minot, North Dakota.

20230403-fair.jpg

It would be a busy summer, but Sal always missed his Saturday afternoon club meetings and by the time September rolled around, he would hardly be able to wait to get together with the "boys" once again.

Still, there was the rest of this afternoon to enjoy. The coffee was good, the companionship even better, and it didn't take long for those "boys" to ask Sal what he had for them in the way of a challenging checker problem.

"I have one from an old magazine," Sal said. "It's by a fellow named John Tonks. I've never heard of the gentleman, but it's a clever problem."

"Well there, Sal," Louie said, "you might just be buying for quite the crowd today." Louie was referring to the tradition that if the "boys" could solve Sal's problem, Sal would buy for all of them, while if they couldn't solve it, they would treat Sal. It wasn't quite a balanced arrangement, but Sal was a generous sort and just enjoyed the fun and competitive spirit of it all.

Sal needed to set up two checkerboards, one at each of the booths that the club was occupying.

BLACK
20230403-send.png
WHITE
White to Play and Draw

W:W9,13,15,19,21:B1,2,7,14,K26

"How about 30 minutes, boys?" Sal asked.

"Aw, c'mon Sal, give us an hour, willya?" Blaine piped up.

"Okay, then," Sal replied, "but not a minute longer!"

As Deana refilled everyone's coffee mugs, the "boys" dug into the problem and soon North Dakota checker chatter filled the air.


We too are always wistful about saying good-bye to the Beacon Cafe for the summer, but we'll be sure to follow Sal as he goes on vacation and then plays in that big Vegas tournament. Meanwhile, though, play along with the "boys" and try to solve today's problem. When you're ready click on Read More to see the solution.20050904-symbol.gif

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05/27/23 -Printer friendly version-
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Marvin Takes A Stand

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Priscilla K. Snelson

"Marvin, dear, I've made out your action list for you, and I suggest you read it over carefully, as there are many things you're going to have to get done in a relatively short amount of time."

Priscilla Snelson, the CEO of the international conglomerate Rust Belt Holdings, and the fiancee of superstar checkerist Marvin J. Mavin, Captain of the World Champion Detroit Doublejumpers in the National Checker League, was addressing Marvin. As was typical for a Saturday afternoon when the Doublejumpers didn't have a match to play, and weren't on a road trip, Marvin was visiting Priscilla at her highly upscale condo, 6,000 square feet of the ultimate in luxury.

They were in Priscilla's living room, and she had just handed Marvin a sheaf of stapled papers, made up of perhaps 10 sheets, densely printed on both sides.

20230403-action.jpg

Marvin, having little choice, accepted the sheaf from Priscilla and started to leaf through it. On each page about 15 items were listed, showing dates, locations, names of participants, and the nature of the "action items" as Priscilla had titled them.

"Gee, hon, there's like, I don't know, a bajillion things here, and I ain't gonna remember like hardly nothing ... "

"That's why you have a list, Marvin, so you can refer to it and not miss something important. And there aren't a bajillion action items. In fact there are only two hundred and thirty. There are twice that many on my list. Oh, by the way, don't bother to tell me how busy you are, as I'm just as busy if not more so, and I certainly won't use that for an excuse."

"Yeah but the World Series is coming up and stuff."

"The Doublejumpers won't be in the World Series this year. Your team won't make Divisional Champs. You had too many top players retire and your management didn't recruit as well as they should have. A lot of fans are upset. No, this year the Cleveland Cutters are going to knock you out. Just as well, as you'll be very busy with our wedding."

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Marvin, listening to this, felt his heart sink. He knew it was true; the Doublejumpers just weren't as good as they were in previous years. But to hear it from Priscilla, and to have her say it in such an unfeeling manner, hurt Marvin's feelings.

But Marvin didn't say anything and instead started looking at the list. "Lemme see ... cake tasting ... shoe fitting ... dress fitting ... hey Prissy, what's this about a dress fitting? I sure ain't going to wear no dress!"

"Oh, Marvin, that's my dress fitting, and you need to be there. And don't call me Prissy!"

"Why? You're the one wearing the dress ... "

20230403-gown.jpg

"That's my handmade Italian gown. It's $100,000 and it has to be adjusted for a perfect fit. Of course you'll want to be there to see how it turned out."

Marvin kept reading. "Makeup evaluation ... that's for you right?"

"It's for both of us."

"Huh?"

"Well, of course. You'll want to look your best, and the right makeup will bring out all your good features. It will be subtle, naturally. I've hired a makeup artist who works with top film stars."

"Uh, whatever." Marvin was starting to wonder what he had gotten himself into. Reading along, he came to another item that really got his attention. "What's up with 'hair styling'?" he asked.

20230403-buzz.jpg

"Oh, that. You aren't going to like it, I'm afraid, but it's just how it is. You'll have to have your dreadlocks cut off, and you'll need a completely new hairstyle. I know your hair is kind of a trademark, but you simply can't appear that way at our wedding. Anyhow, you'll get used to the new style and you'll be very happy at how it makes you look. I've selected the close-cropped military look for you."

20050222-marvinjmaven.jpg
Marvin J. Mavin

Marvin breathed in and breathed out. Then he put the action list on the coffee table and stood up. "Now look, Prissy, I can do a lotta things. I can listen to you tell me how bad my team is, even though you kinda really hurt my feelings. I can go and see that fancy dress with you. I can get shoes and taste cakes and even put up with makeup and all that stuff. But I will not cut my hair. No sir, no ma'am, I ain't gonna do that! My hair is the real me. My fans know me by my hair and I just won't won't won't won't won't cut it!"

Priscilla put her hands on her hips. Her face turned white as a sheet.

Oh boy, thought Marvin, here it comes.

20230403-angry.jpg

"You will have your hair cut and styled in a presentable and dignified manner. You will not look like a bum off the street at our wedding. There will be no further discussion of this. You will do as you're told, is that clear?"

Marvin hesitated a moment. "Yeah, Prissy, it's clear. Clear like the sky in a Michigan snowstorm." Marvin hesitated again. Then, without another word, he left the condo.

20230403-dive.jpg

Four hours later, in a dive bar near his apartment, Marvin, after more beers than he should have had, started to wonder if he had made a huge mistake. He was trying to distract himself with a checker problem, but it wasn't working. He couldn't focus and the beer wasn't the only reason.

BLACK
20230403-stand.png
WHITE
White to Play and Draw

W:W17,18,25,K14,K21:B6,7,8,K22,K23

Sighing, he paid his tab, picked up his checker magazine, and went back to his apartment to sleep it off. He had no idea what tomorrow might bring, and he really didn't want to find out.


With the wedding just a month away, what will be the outcome? Should we caption this, "Priscilla to play, what result?" Or have we just encountered a situation of "Marvin to play and lose"? Stay tuned to this website for our next installment.

Was Priscilla too hard on Marvin? Was Marvin too stubborn? These are difficult questions, and we suggest for the moment that you just stick with checkers and try to solve the problem that Marvin simply couldn't concentrate on. See if you can find the correct play, and then click on Read More to view the solution. Would that life's problems be solved with just a mouse click!20050904-symbol.gif

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05/20/23 -Printer friendly version-
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Changing and Exchanging

20230328-changing.jpg

When traveling abroad, do we change currency or exchange currency? Or do we change currency at a Currency Exchange? We can probably say that's all a matter of semantics.

Not so much so, though, in our game of checkers. If you solve the twin problem below, sent to us by regular contributors Lloyd and "Gosh Josh" Gordon of Toronto, you'll see what we mean.

BLACK
20230328-changew.png
WHITE
White to Play and Win

W:W15,K18,30,32:B7,21,23,K27

WHITE
20230328-changeb.png
BLACK
Black to Play and Win

B:W15,K18,30,32:B7,21,23,K27"

These are not terribly difficult. The Black win is especially easy, and as for the White win, we've practically given it away. Find the solutions--- time yourself if you want an extra challenge--- and then exchange your mouse position with Read More (or should we say change your mouse position to Read More) to see the solutions.20050904-symbol.gif

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05/13/23 -Printer friendly version-
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More Pictures: Problem Composing Contest 68

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Is there such a thing as too many pictures? Evidently so. The photo above shows an art display that hardly accords with accepted practices. It's overcrowded and the pictures aren't well positioned.

The previous entry in Bill Salot's outstanding series of checker problem composing contests featured problems that had a visual aspect--- they were works of art in both the visual and ludological senses. For our current contest, Mr. Salot has continued with that theme. Too many pictures? Hardly! We're sure everyone will welcome this new trio of dual-artform problem settings.

The contest problems themselves can be found, as always, on the contest page. We hope you'll drop by, give the problems a try, and of course cast your vote for the one you like best.

As a lead-in, we present a problem by the late Roy Little, which he called Mr. X. It was the winner of Contest 11 back in June, 2013.

BLACK
20230322-mrx.png
WHITE
White to Play and Win

W:WK2,K6,15,17,22,24:B8,10,11,18,K19,K25,K28

Solve this one, click on Read More to check your solution, and then visit the contest page!20050904-symbol.gif

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05/06/23 -Printer friendly version-
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Transpositions

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There are transpositions in music; music in one key is transposed into another. It's something that's familiar to all music students.

20230313-transpogroup.png

There are also transpositions in mathematics; the one shown above is from the branch of study known as group theory. We won't try to explain it here as it's more than a bit out of scope for a checker column.

What is in scope of course, is a transposition in a checker game. Transpositions are common in the openings, when one opening line, whether through a different order of moves or other means, transposes, or changes, into another opening line. (The concept can of course be generalized beyond openings.)

20230327-transpocover3.jpg

Jim Loy has put together a comprehensive booklet of opening transitions, and has generously offered it for free publication on our Checker Maven website. You can download the book here.

As an example, and today's problem, here's a landing known as the Pioneer, which can be reached by transposition from six different ballots.

Pioneer Landing
BLACK
20230327-pioneer.png
WHITE
White to Play

W:W17,21,23,24,26,27,28,29,30,31,32:B1,2,3,4,6,7,10,11,12,14,20

White now plays 29-25. If Black follows with 4-8, he falls into a losing position known as Dunne's Loss, as shown below.

Dunne's Loss
BLACK
20230327-dunne.png
WHITE
White to Play and Win

W:W17,21,23,24,25,26,27,28,30,31,32:B1,2,3,6,7,8,10,11,12,14,20

What should Black have played instead?

Your task is to correct the losing move (not so hard) and to work out the White win, rather an advanced challenge, but instructive nonetheless. So see how well you can do, then click on Read More to see the winning play.20050904-symbol.gif

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04/29/23 -Printer friendly version-
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Uncle Ben's Porch: Second Team

20081102-boy.jpg
Tommy Wagner

Tommy Wagner had made Varsity on his high school team in central Florida. Except it wasn't quite as simple as all that.

In our last story, Tommy, as a freshman, was ready for spring tryouts. He had an outstanding record as Captain of the Junior Varsity team, and he did well in the tryouts and also during training month in August. Coach Schann had named him to the Varsity team in view of his progress.

20161129-coachschann.jpg
Coach Schann

But that was the Varsity second team. The first team consisted of a titled Master and four Experts, and Tommy, though now at the very top of Class A, fell somewhat short. Tommy ended up on third board on the second team, and it meant he wasn't a starter and would only fill in as a substitute for first team.

Of course, he played in the second team matches, and got to play a couple of times as a first team sub during the fall, but as Christmas vacation rolled around, he was feeling a bit down. Second team matches didn't get anything like the attention that the first team got. No playing in front of big cheering crowds. No being something of a local hero in the high school halls.

20060811-porch.jpg

It was Saturday morning, and Tommy had arrived a few minutes ago at Uncle Ben's place. Now, Ben wasn't really Tommy's uncle but everyone called him Uncle Ben. In fact he was a former professional checker player, who had some years ago wrapped up a great career and retired to Florida. He now did a little tutoring of promising young players.

Tommy went for a lesson at Uncle Ben's nearly every Saturday. They would sit out on Uncle Ben's front porch, usually with a pitcher of Uncle Ben's wonderful homemade lemonade, and study checkers for a couple of hours. Uncle Ben was a great coach, and often taught Tommy lessons that went beyond checkers and into coaching for living.

Today Uncle Ben could see that Tommy was despondent, and rather than starting out with a checker problem for Tommy to solve, Uncle Ben poured out the lemonade and decided to just chat for a little while.

20090612-lemonade.jpg

"So what is it, Tommy? What's on your mind? You've made Varsity, that's a big accomplishment for a young player. Not everyone makes it at the start of sophomore year."

"I know, Uncle Ben," Tommy replied, "but it's third board on second team, and I only got to play twice in league competition, as a last minute substitute on fifth board when coach decided to give me a little experience. I want to be on the first team and play all the matches."

"Well, Tommy, it seems like we've had similar discussions before, about earning things and being patient."

"I know, Uncle Ben, the first team players are all better than I am. I get it, I really do, but I just want to play. When I was on Junior Varsity, at least I got in a lot of time on the board."

20230311-1team.jpg

"So, what do you think it will take for you to move up to first team? What do suppose Coach Schann is looking for?"

"For me to improve? I mean, that has to be it, I have to get better, I guess, good enough to compete with those Experts and Masters on first team."

"Exactly, Tommy. Your coach will move you up when you're ready, no sooner and no later. Things don't come to us just because we wish for them. They come because we work for them. Do you know, when I first made it to the Major Leagues, when the Houston Huffers called me up, I sat on the bench for quite some while? I'd get to play every so often but the top players got the glory. I was a sub, just like you are. It wasn't easy, but I kept practicing and working, even though I had already made the Big Show. Then, one day, I got my chance, and I never looked back."

"Gee Uncle Ben, you think I can do that too?"

"Of course you can, Tommy. You worked your way up to Captain of Junior Varsity and then you earned yourself a spot on Varsity, even if it isn't as a first team starter. So you've got what it takes, and I suspect that by the latter part of the season you'll be playing more often. But only if you keep up your studies--- and maintain a positive, can-do attitude."

20230311-quoi.jpg

"Well, I'm ready to do what it takes, Uncle Ben."

"Very good. So let's work extra hard today. Here's a problem for you to study, and we'll do several more when you get this one. It might turn out to be a long morning, but we've got lots of lemonade."

Uncle Ben set up the following position and Tommy, who at times needed a reminder that patient hard work precedes success, dug right in.

WHITE
24-12.png
BLACK
BLACK to Play and Win

B:B1,27,K19:W12,16,17


If we don't miss our guess, you, our reader, aren't a second team Varsity player at a local high school, although one never knows. But you're here because you're a checker fan, and you've likely long ago learned that mastery of checkers doesn't come overnight. Can you solve Uncle Ben's problem? See if you can, and then click on Read More to see the solution, notes, and numerous additional examples of the theme.20050904-symbol.gif

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04/22/23 -Printer friendly version-
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Marvin J. Mavin: Tax Day

20230203-taxday.jpg

April 15, the normal due date for income tax returns in the United States, falls on the day of publication of this column. However, being a Saturday, returns won't be due until the next business day, or Tuesday, April 18 (Monday, April 17, 2023 is a holiday in Washington, D.C.).

Marvin J. Mavin, the superstar captain of the champion Detroit Doublejumpers in the National Checker League, had yet to file his taxes, and his fiancee, Priscilla Snelson, wasn't pleased or amused.

Priscilla was the CEO of Rust Belt Holdings, a Detroit based multinational conglomerate, and a team of Certified Public Accountants completed her income tax filings every year. She had a compensation package which ran to about $5 million a year base pay, which doubled with bonuses and stock options, and strived to pay the minimum amount of tax, hence the highly qualified team of experts in her hire.

20211031-allchecks.jpg

Marvin was visiting at Priscilla's condo that Saturday afternoon, and of course he was fully occupied solving checker problems in the latest issue of All Checkers Digest. Or at least trying to solve them, as Priscilla was definitely on Marvin's case about his not filing his income taxes as yet.

"Marvin, you make fully half as much money as I do, with your $5 million a year 10 year contract with the Doublejumpers. Why don't you have your own team of accountants? Or just hire mine, they'd be glad to help."

"Yeah, for about $50,000 they would. I don't need those guys."

20230203-fatfinger.jpeg

"They're not all guys. They're about half women, and very talented, and you do need them. In fact I've already ... "

"Aw, Prissy, geez. I just use good old LightningTax, you know, on line, and for like a hundred and fifty bucks everything gets done in half an hour and then I can get back to my magazine. See, look, here's one by that guy Ed in Pennsylvania that I'm working on."

BLACK
20230204-companion1.png
WHITE
White to Play and Win

W:B4,6,14,19,K27,K31:W8,15,21,30,K3,K11

Priscilla walked over to the Italian leather couch where Marvin was sitting, pulled his magazine out of his hands, and threw in onto the quartz crystal coffee table. "You pay probably twenty times the tax you ought to pay. And don't call me Prissy!"

"Aw, honey, like, I ain't got nothing to deduct. My paychecks go into that there Blackguard account and they put some in my checking, and it's sorta real easy. I don't need to worry about nothing."

20210218-oldvw.jpg

"Sure. You own a beat up old Volkswagen, you rent a grungy apartment in a terrible neighborhood, you don't have any investments other than that one Blackguard index fund, which by the way I set up for you, and ... you earn a great deal but you just don't care about your money!"

"Yeah, 'cept, I, like, you know, got enough and stuff and I don't need nothing."

"Well, let me tell you, fiance of mine, when we get married your attitude will be a big liability because then we'll have to deal with joint filing, and things are going to change. Big time. I won't let you waste our money like you're doing now. Do I make myself clear?"

"Ah, yeah sure, whatever you say." Marvin reached for his magazine but Priscilla pulled it off the table and tossed it across the room.

20230203-msyang.jpg
Sylvia Yang

"Now, Marvin, you will be doing your taxes right now. As I was starting to say earlier, I've made arrangements for you. Sylvia Yang is coming here and she'll arrive momentarily. She's a senior partner at FatFingers, the accounting firm I use. You'll treat her with respect and deference and you'll do exactly what she tells you to do, immediately and with no argument or discussion."

"Right now? But you didn't tell me nothing about that and I was busy with my magazine. There's that real good problem ... "

"You'll have a really bad problem if you don't listen."

Marvin, through long experience, knew when arguing would just make things worse, and at that moment, the intercom sounded. It was the doorman of Priscilla's condo building.

"Ms. Snelson, there is a Ms. Yang to see you."

20230203-intercom.jpg

Priscilla pressed a button on the intercom. "Thank you, Jackson, please send her up."

A few minutes later there was a knock on the door. Priscilla pulled the door open an in swept a woman dressed smartly in business attire, carrying a leather briefcase with gold hasps. She went immediately to the conference room (Priscilla had a very upscale condo), sat at the table, took a laptop from the briefcase and started it up.

"Mr. Mavin?" she called. "Over here, please, we must start at once."

Marvin slowly got up from the couch, took a longing glance at the checker magazine lying in disorder in the corner of the living room, and entered Priscilla's conference room.

20230203-confrm.jpg

"I'm Senior Partner Yang," the woman said. "Don't bother attempting to shake hands, there is no time to waste on pleasantries."

"Uh, okay, yeah ... "

"Sit down, Mr. Mavin. The first thing I need from you is a retainer check, and you'll need to sign our retainer agreement. I think $25,000 will be sufficient to start, and we'll bill you for the balance later on. So if you would kindly get out your checkbook ... "

"Uh, I ain't got it with me."

Ms. Yang gave Marvin a deprecating glance. "Oh, really? You're that unprepared? All right then, we'll take a credit card for a three percent upcharge. You do have a credit card, don't you?"

Marvin shrugged his shoulders and got out his 10 year old duct-tape wallet. He had a feeling that the next few hours wouldn't be very pleasant.

20230203-ductwallet.jpg


It seems to happen often. Poor Marvin doesn't get to solve an interesting checker problem, and instead needs to follow Priscilla's directions. Or else.

Now, you may not have a $5 million per year 10 year contract with a professional checker team (or do you?), but you can work on today's problem at your leisure. That's something, at least!

When you're ready, you can click on Read More to see the solution. We promise not to bore you with the details of Marvin's afternoon as Senior Partner Yang from FatFingers completes his income tax returns. Suffice it to say that a fun day was not had by all. Or at least not by Marvin.20050904-symbol.gif

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04/15/23 -Printer friendly version-
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