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October 31, 2020

Saturday Afternoon Chess thread 10-31-2020

WGM Keti Tsatsalashvili 01.jpg
WGM Keti Tsatsalashvili (GEO)

TheJamesMadison will be along later with the movie thread. As always, the chess/dress pr0n thread is an open thread, so there is no such thing as an off-topic comment.

Beginner Problem - Black To Play (1223)

I have found an another line that fits the requirements of this problem, so there are two solutions. See if you can find them both.

Goal: Black can force mate in 2 moves
Hint: One mating line starts with a queen move, the other with a pawn move

20201031 - Problem 1.jpg
r5k1/1p1b2pp/4p3/p3P3/2nPp1P1/1K5Q/P2qN2P/5B1R b - - 0 1

chess pic 20201031 01.jpg

Intermediate Problem - White To Play (1222)

Goal: If the mate you find is longer than 5 moves, you're doing it wrong
Hint: Smash through Black's position with a rook sac

20201031 - Problem 2.jpg
5bk1/2R3pp/p4p2/4rP2/1p1qn1Q1/1P5P/P4PP1/2R3K1 w - - 0 1

Try The Halloween Gambit:

This is one of those "coffeehouse" gambits where you sac a piece to get an attack that can get wild and crazy. I think it's probably basically unsound, but fun to play in blitz and club games where you can catch an unwary opponent off guard. But if you played it in a serious game against someone who knew what he was doing, you'd most likely get shredded.

Advanced Problem - Black To Play (1151)

Assuming White plays the best defense, how does Black force mate?

20201031 - Problem 3.jpg
1r1q1k1r/Q4p1p/2B2npN/P7/2bp4/1P4P1/2PP1P1P/R1B1K2R b KQ - 0 1

Dress Pr0n For the 'Ettes:

This one looks kind of steampunky:

20201031 dress pr0n 01.jpg

20201031 dress pr0n 02.jpg

20201031 dress pr0n 03.jpg

20201031 dress pr0n kate 01.jpg

20201031 dress pr0n oktoberfest 01.jpg
Auf Wiedersehen Vom Oktoberfest!

20201031 dress pr0n melania 01.jpg


Problem Solutions

Beginner Problem - Black To Play

20201031 - Problem 1.jpg
r5k1/1p1b2pp/4p3/p3P3/2nPp1P1/1K5Q/P2qN2P/5B1R b - - 0 1

1... a4+
2.Kxc4 Rc8#

While futzing around with this, I found the alternate line

2.Kxc4 Qb4#

Seems to work just as well.

Intermediate Problem - White To Play

20201031 - Problem 2.jpg
5bk1/2R3pp/p4p2/4rP2/1p1qn1Q1/1P5P/P4PP1/2R3K1 w - - 0 1

1.Rxg7+ Bxg7
2.Rc8+ Kf7
3.Qh5+ Ke7
4.Qe8+ Kd6

Qd8# was missed in the actual game (Bronstein-Gligoric, Moscow 1967), which continued:

5.Rc6+ Kd5
6.Qd7+ resigns

It's hopeless after

7.Rxd6+ Kc5

Advanced Problem - Black To Play

20201031 - Problem 3.jpg
1r1q1k1r/Q4p1p/2B2npN/P7/2bp4/1P4P1/2PP1P1P/R1B1K2R b KQ - 0 1


Alternately, 2.Kd1 Be2+ 3.Ke1 Bg4+ 4.Qe7+ Qxe7+ 5.Be4 Qxe4+ 6.Kf1 Bh3+ 7.Kg1 Qg2#)

3.Kd1 Be2+

And now, which square do you move the bishop to for the discovered check? You have to see that you need to cover the f1-h3 diagonal, and to do that, there's only one square for the bishop:



if 5.Kf1 then 5...Bh3+ 6.Kg1 Re1#

5... Rxe7+
6.Kf1 Bh3+

And that is why we needed to move the bishop to g4 earlier.

7.Kg1 Re1#

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 05:27 PM

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