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April 18, 2020
Saturday Afternoon Chess thread 04-18-2020
Goal: White can force mate in 3 6k1/6p1/3Np2p/2P1P3/1p2Q1Pb/1P5P/1qr5/5RK1 w - - 0 1
Goal: Black can force mate in 4 r3r1k1/pp3ppp/2p5/8/3N1P1P/7b/PPQR1q1P/3R1B1K b - - 0 1
Here's an interesting piece by veteran chess commentator Bill Wall detailing all the incidents he could find of criminal activity involving chess in some way, starting with: In 1622, Gioacchino Greco (1600-1634) was robbed of all his money (5,000 crowns) that he won in Paris from playing chess while on his way to London. Some of the incidents are humorous, some are tragic, and some are just pathetic. Chess players are not always the most stable of individuals. But this one just grinds my gears: In 1989, the police raided a chess tournament in Los Angeles. The L.A.P.D. vice officers raided a nightly chess tournament held at Dad’s Donuts. They cited three men for gambling after finding $1.50 on the table. The police staged the raid after an undercover detective tried unsuccessfully to join a blitz chess game. The detective then pulled out his badge and said “all of you are under arrest,” as the L.A.P.D. swooped in. I didn't realize that chess gambling had become such a yuuge problem in Los Angeles. I'd like to know who it was in the LAPD hierarchy who decided it would be worthwhile to expend departmental time and resources to setting up this sting operation. And for what? Are the citizens of Los Angeles safer because the LAPD bravely busted up a dangerous ring of chess ruffians?
How does White secure a winning position? You don't have to play it out to the very end, but do show the crucial moves. Hint: An amazing simplification will secure a winning position 3K4/kr5R/1p2b3/8/8/N7/8/5B2 w - - 0 1
Greetings From Greece ___________ Problem Solutions Beginner Problem - White To Play 6k1/6p1/3Np2p/2P1P3/1p2Q1Pb/1P5P/1qr5/5RK1 w - - 0 1 1.Rf8+ Kxf8
r3r1k1/pp3ppp/2p5/8/3N1P1P/7b/PPQR1q1P/3R1B1K b - - 0 1 Mate in 4: 1...Bg2+ You don't want 2...Qe1+ 3.Bf1 Qxf1+ 4.Rxf1 3.Rxe1 Qxe1+
3K4/kr5R/1p2b3/8/8/N7/8/5B2 w - - 0 1 1.Nb5+! Kb8 Not 1...Ka8 because 2.Bg2 Bc8 3.Nd6 and Black loses pretty much everything 2.Rxb7+! Kxb7 The start of the great simplification. Now White needs to snag the remaining bishop 4.Nd4! Bg8 Why Bg8? The problem for Black is to find a square for his Bishop where White can't fork it (heh) with his knight. Trouble is, he can't! Let's look at some other options: (4... Bg4 5. Nc6+ Kb7 6. Ne5+ Ka6 7. Nxg4) Isn't that a kick in the head? No matter where he goes with the Bishop, the white knight will be able to catch him somewhere. Try it with some of the other options and see. 5.Nc6+ Kb7 Although it is a bit tricky. KBN v. K is a (difficult) win, made more so by the presence of a black pawn to complicate matters. But winning the pawn is not that tough:
Hope to see you all next week!
Note: that cryptic line of letters and numbers you see underneath each board diagram is a representation of the position in what is known as "Forsyth-Edwards Notation", or F.E.N. It's actually readable by humans. Most computer applications nowadays can read FEN, so those of you who may want to study the position, you can copy the line of FEN and paste into your chess app and it should automatically recreate the position on its display board. Or, Windows users can just "triple click" on it and the entire line will be highlighted so you can copy and paste it into your chess app. ___________ So that about wraps it up for this week. Chess thread tips, suggestions, bribes, rumors, threats, and insults may be sent to my yahoo address: OregonMuse little-a-in-a-circle yahoo dott com. | Recent Comments
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