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Ace of Spades Pet Thread | Main | The Occasional Fishing Thread [Bandersnatch]
June 22, 2019

Saturday Afternoon Chess Thread 06-22-2019

WFM Anastasia Gavrilova 01.jpg
WFM Anastasia Gavrilova

Ms. Gavrilova has also got that naughty librarian look going for her as well.

Easier Problem - Black To Play (1004)

Goal: Black can force a mate in 3
Hint: Don't be afraid to throw the knight into the fight

20190623 - Problem 1.jpg
1r4k1/p3p1bp/2p3p1/1rNn1p2/8/2P2P1N/KP2RQPP/3R4 b - - 0 1

flinging poo.jpg
"Aw helz, my position is crap. One more move and I start flinging poo."

More Challenging Problem - White To Play (22)

Careful. This one may look like a no-brainer, but it's a bit tricky.

Goal: White, with precise play, can snatch both pawns for the win
Hint: Black has a threat that must be dealt with

20190623 - Problem 2.jpg
k1K5/5p2/8/6p1/6P1/8/8/8 w - - 0 1

Dress Pr0n For The 'Ettes:

20190622 dress pr0n 01.jpg
(click for larger view)

20190622 dress pr0n 03.jpg
(click for larger view)

20190622 dress pr0n 02b.jpg

20190622 dress pr0n 04.jpg

20190622 dress pr0n ukraine.jpg
(Greetings from Ukraine)

20190622 dress pr0n kate.jpg

20190622 dress pr0n melania.jpg


Solutions Update

Easier Problem - Black To Play

20190623 - Problem 1.jpg
1r4k1/p3p1bp/2p3p1/1rNn1p2/8/2P2P1N/KP2RQPP/3R4 b - - 0 1

1...Nxc3+ 2.bxc3

Or 2.Ka1 Ra5+ 3.Na4 Rxa4#

3.a4 Rxa4# 0-1

More Challenging Problem - White To Play

20190623 - Problem 2.jpg
k1K5/5p2/8/6p1/6P1/8/8/8 w - - 0 1

Now, you may think oh, this is easy, all White has to do is backpedal his king to the other side of the board and scoop up those pawns.

Ha ha, not so. Let's see what happens if he tries that:

1.Kd8 Kb7 (not Kb8 - this will become clear in a bit)

2.Ke7 f5 3.gxf5 g4 and now we have a pawn race.

4.f6 g3 5.f7 g2 6.f8=Q g1=Q and the game is a draw. Note that if Black kept his king on the back rank, White would have queened with check, which would have given him enough time to pick up the other pawn. So that's why Black had to first move Kb7, not Kb8.

So, the point is. White needs to proceed very carefully to keep Black from immediately pushing his pawn to f5.

1.Kc7 Ka7

Black cannot yet launch his pawn: 1...f5 2.gxf5 g4 3.f6 g3 4.f7 g2 5.f8=Q+ Ka7 6.Qf2+ Ka8 7.Qxg2+ and wins.


But White cannot yet go for the pawns. If now 2.Kd6 then 2...f5 and the pawn race will be a draw.


Because 2...f5 3.gxf5 g4 4.f6 g3 5.f7 g2 6.f8=Q g1=Q 7.Qa3+ Kb8 8.Qb4+ Kc8 9.Qf8#

3. Kd5

And now White can go get the pawns. His King is centralized enough so that ...f5 won't be a problem, i.e. 3...f5 4.gxf5 g4 5.Ke4 g3 6.Kf3 g2 7.Kxg2 and Black is too far away to stop the f pawn.

4.Ke5 Kc5
5.Kf6 Kd4
6.Kxf7 Ke3
7.Kg6 Kf4
8.Kh5 Ke5
9.Kxg5 Ke5
10.Kg6 and wins

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.

digg this
posted by OregonMuse at 05:11 PM

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