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September 30, 2017

Saturday Afternoon Chess/Open Thread (Featuring Dress Pr0n) 09-30-2017

Brooklyn_Museum_-_The_Veterans_-_Richard_Creifelds_-_overall.jpg(click for larger version)
The Veterans
Richard Creifelds

Good afternoon morons and moronettes, and welcome to the Saturday Afternoon Chess/Open Thread, the only AoSHQ thread with content specifically for all of us chess nerds who pay homage in the temple of Caïssa, goddess of the chessboard. Also, dress pr0n. Each week, I pick out a few lovely, modest, conservative dresses for the 'ettes to admire and appraise. And, for those of you who aren't nerdly enough for chess, you can use this thread to talk about checkers, or other games, or politics, or whatever you wish, only please try to keep it civil. Nobody wants to get in the middle of a fish fight on a Saturday afternoon, unless you're a Gaulish barbarian hyped up on magic potion.

Problem 1 - White To Play (121)

Hint: White mates in 2

20170930 - Problem 1.jpg
2b1rk2/4p1bp/1BQ1P1p1/p4p2/P7/8/4rPPP/3R2K1 w - - 0 1

(h/t MatoJelic)

Problem 2 - White To Play (231)

Hint: To avoid mate, White must lose material

20170930 - Problem 2.jpg
4rr2/1b4pp/1k1b4/2pP1p2/2P2Pn1/2B5/2K3PP/R4B1R w - - 0 1

Problem 3 - Black To Play (582)

Hint: Black mates in 4

20170930 - Problem 3.jpg
7k/1Q5q/2P4p/4p3/5n2/5P2/1Br4R/7K b - - 0 1

Problem 4 - White To Play (555)

Hint: White wins material

20170930 - Problem 4.jpg
r5k1/1r3p1p/6pB/p7/4q3/3n4/RP3QPP/2R3K1 w - - 0 1

(h/t ChessZebra)

Endgame of the Week (TCP 19)

It's Black to move. He is in dire straights, down a Rook. Can he do anything to salvage a lost game?

Hint: Look for stalemate opportunities

20170930 - Endgame.jpg
2r5/8/8/8/pR1R4/k7/8/1K6 b - - 0 1

Dress Pr0n For the 'Ettes

20179030 dress pr0n 01.jpg

20170930 dress pr0n 02.jpg

20170930 dress pr0n 03.jpg

20170930 dress pr0n 04.jpg

20170930 dress pr0n 05.jpg


Solutions Update

Problem 1 - White To Play

20170930 - Problem 1.jpg
2b1rk2/4p1bp/1BQ1P1p1/p4p2/P7/8/4rPPP/3R2K1 w - - 0 1

All forced:

1.Qxe8+ Kxe8

Problem 2 - White To Play

20170930 - Problem 2.jpg
4rr2/1b4pp/1k1b4/2pP1p2/2P2Pn1/2B5/2K3PP/R4B1R w - - 0 1

1. Ba5+ Ka7

1...Ka6?? is disastrous because of 2. Bc7#, so Black must lose material.

2. Bc7+ Ba6
3. Bxd6 Rf7
4. Bxc5+ Kb7

White picks up the bishop, but since he was originally down a knight, Black is only ahead now by two pawns.

Problem 3 - Black To Play

20170930 - Problem 3.jpg
7k/1Q5q/2P4p/4p3/5n2/5P2/1Br4R/7K b - - 0 1


There are two possible responses, each one leading to a mate in 4. The (obvious) first line is where White takes the rook:

2.Kxh2 Qc2+
3.Kg3 Qg2+
4.Kh4 Qh3#

The second, White tries to flee, not capture. But the end result is the same:

2.Kg1 Rg2+
3.Kf1 Qb1+
4.Bc1 Qxc1#

Problem 4 - WhiteTo Play

20170930 - Problem 4.jpg
r5k1/1r3p1p/6pB/p7/4q3/3n4/RP3QPP/2R3K1 w - - 0 1

1.Qf6 Qe3+

This is the only way to stop the mating threat on g7. White must take the queen and so his bishop is no longer there to protect White's queen's move.

2. Bxe3 Rb6

Not 2...Nxc1? 3.Bh6 And Black can't stop the g7 mate.

3. Qxb6 Nxc1
4. Bxc1 and White is up overwhelmingly in material

Endgame of the Week

20170930 - Endgame.jpg
2r5/8/8/8/pR1R4/k7/8/1K6 b - - 0 1

Looks like it will be lucky for Black if he can escape with a draw. Fortunately, his king is boxed in, so he can create stalemate opportunities:

2.Rxb8 and stalemate

White's Rook can't get off of that file. If 2.Rb2? then 2...Rxb2+ 3.Kc1 and the position is even and maybe even a win for Black with his pawn, if White isn't careful. So Black manages to dodge a bullet there.

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 past 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 05:05 PM

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