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October 07, 2017

Saturday Afternoon Chess/Open Thread (Featuring Dress Pr0n) 10-07-2017

"Come on, move already! I ain't got all day."

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 pie fight on a Saturday afternoon, unless you like old-school madness and mayhem.

Problem 1 - Black To Play (587)

Hint: Black wins material

2q3k1/5pp1/2n5/4p3/3P4/1Q3N2/4KP2/8 b - - 0 1

Chess GAINZZ

What about your chess GAINZZZ, brah?

Problem 2 - White To Play (588 )

Hint: White wins material

2r2r2/1p1b1pk1/pqn1pnpp/3pN3/8/N1P2Q1P/PP3PP1/R1B1R1K1 w - - 0 1

Fun Fact

Prior to the 1800s, Oxford University outlawed chess, calling it "noxious, inordinate and unhonest." Its chess club was formed in 1869.

(h/t Bill Wall)

Problem 3 - White To Play (BWTC 59)

Hint: White mates in 5

r1bqrk2/pp1n1n1p/3p1p2/P1pP1P1Q/2PpP1NP/6R1/2PB4/4RBK1 w - - 0 1

Man and Machine

Interesting piece by Garry Kasparov on losing a chess game to an AI. It's not as bad as you think:

Deep Blue was conclusive proof that machines could surpass humans in complex cognitive tasks that we had long assumed were unique to our developed brains. Using chess as a metaphor, I discuss this important distinction in my recent book Deep Thinking. Deep Blue could look at 200 million positions per second, while I was limited to two or three, and yet we competed equally. The human brain is an unmatched analogy engine, finding useful patterns to leverage our lifetime of experience to make decisions.

Garry might have lost a few games to Deep Blue, but he did a lot more with less. No matter how good the brute force engines get, there's something about human intelligence that they haven't quite captured.

(h/t CBD)

Problem 4 - White To Play (585)

Hint: White mates in 7

rn3rk1/pbppq1pp/1p2pb2/4N2Q/3PN3/3B4/PPP2PPP/R3K2R w KQ - 0 1

(h/t ChessZebra)

Endgame of the Week (583)

It's White to play. Can he pull his fat out of the fire?

Hint: Underpromotion is the difference between a draw and a win

8/6P1/8/8/2p5/5K2/3p4/k7 w - - 0 1

And For the 'Ettes, Dress Pr0n

Elegant and delicate Hungarian ball gown c.1850. Look at the hanging fringe detail! https://t.co/pPuoibixbO #history #19thcentury #fashion pic.twitter.com/XUIeFrHRMx
— Ephemeral Elegance (@drapedinhistory) September 26, 2017

___________

Solutions Update

Problem 1 - Black To Play

2q3k1/5pp1/2n5/4p3/3P4/1Q3N2/4KP2/8 b - - 0 1

Black wins the knight simply by attacking it:

1...e4!
2.Ke3 exf3

If White tries to save the knight with, say, 2.Ng5 then Black wins with 2...Nxd4+, a forking attack on White's queen and king. Black loses either knight or queen. Either way, he loses.

Problem 2 - White To Play

2r2r2/1p1b1pk1/pqn1pnpp/3pN3/8/N1P2Q1P/PP3PP1/R1B1R1K1 w - - 0 1

1. Qxf6+ Kxf6
2. Nxd7+ and wins with the forking attack.

You might have been looking at 1.Bxh6+ Kxh6 2.Qxf6, but after 2...Nxe5 3.Rxe5, Black has either 3...Qxb2, or 3...Qd8 forcing the trade of queens. In either case, material is roughly equal and White has accomplished nothing. No, 1.Qxf6+ is the move you want.

Problem 3 - White To Play

r1bqrk2/pp1n1n1p/3p1p2/P1pP1P1Q/2PpP1NP/6R1/2PB4/4RBK1 w - - 0 1

Pretty straightforward:

1.Qxf7+ Kxf7
2.Nh6+ Kf8
3.Rg8+ Ke7
4.Rg7+ Kf8
5.Rf7#

Problem 4 - White To Play

rn3rk1/pbppq1pp/1p2pb2/4N2Q/3PN3/3B4/PPP2PPP/R3K2R w KQ - 0 1

This is basically a king chase

1.Qxh7+ Kxh7
2.Nxf6+ Kh6

If 2...Kh8 then 3.Ng6#.

3.Neg4+ Kg5
4.h4+ Kf4
5.g3+ Kf3
6.O-O

Lasker-Thomas 1912, the game from where this problem originated, was one move longer: 6.Be2+ Kg2 7.Rh2+ Kg1 8.Kd2#

6...b5
7.Nh2#

Endgame of the Week

8/6P1/8/8/2p5/5K2/3p4/k7 w - - 0 1

1.Ke2

White's only move to stave off disaster.

1...c3

Forced.

2. g8=R!

The key move. And it takes a lot of foresite to see. 2.g8=Q? is the wrong approach because of 2...d1=Q+ 3.Kxd1 c2+ 4.Kc1 and stalemate.

2...d1=Q+

If 2...Kb2, then 3.Rg1 Kc2 4.Rf1 Kb3 5.Kd3 Kb4 (5...Kb2 6.Rd1 Kb3 7.Rb1+) 6.Kc2 Kb5 7.Kxc3

3.Kxd1 c2+
4.Kxc2 with mate to follow.

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.

posted by OregonMuse at 05:13 PM

| Access Comments


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Sefton: sefton at cutjibnewsletter.com Recent Entries Daily Tech News 21 December 2024 Just The ONT, Ma'am Giant Animals Cafe Quick Hits Democrat Strategist Ruy Texiera: The Public Gave the Democrats a Clear Message About Their Rejection of Identity Marxism, But the Democrats Don't Want to Listen Kamala Harris To Be Offered $20 Million in a Media Payoff Disguised as an "Advance" on Book Royalties Plus: Media Makes Excuses for Covering Up Biden's Obvious Senility AGAIN: A Car Plows Through a German Christmas Market at a Very High Speed, Sending People Flying Like Bowling Pins, Killing an Unknown Number David Samuels: Barack Obama Created and Maintains an Echo Chamber Messaging System That Deranges and Perverts People's Thinking Every Day LOL: MSNBC Reportedly Demands That Joy Reid, Stephanie Ruhle Take Pay Cuts to Keep Their Jobs Slimmed-Down Version of CR Fails, With 38 Republicans Voting Against It Absent Friends Bandersnatch 2024 GnuBreed 2024 Captain Hate 2023 moon_over_vermont 2023 westminsterdogshow 2023 Ann Wilson(Empire1) 2022 Dave In Texas 2022 Jesse in D.C. 2022 OregonMuse 2022 redc1c4 2021 Tami 2021 Chavez the Hugo 2020 Ibguy 2020 Rickl 2019 Joffen 2014 AoSHQ Writers Group A site for members of the Horde to post their stories seeking beta readers, editing help, brainstorming, and story ideas. Also to share links to potential publishing outlets, writing help sites, and videos posting tips to get published. Contact OrangeEnt for info: maildrop62 at proton dot me Cutting The Cord And Email Security Cutting The Cord [Joe Mannix (not a cop)] Cutting The Cord: It's Easier Than You Think [Blaster] Private Email and Secure Signatures [Hogmartin] Moron Meet-Ups	« Ace of Spades Pet Thread \| Main \| Saturday Evening Movie Thread 10-07-2017 [Hosted By: TheJamesMadison] » October 07, 2017 Saturday Afternoon Chess/Open Thread (Featuring Dress Pr0n) 10-07-2017 "Come on, move already! I ain't got all day." 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 pie fight on a Saturday afternoon, unless you like old-school madness and mayhem. Problem 1 - Black To Play (587) Hint: Black wins material 2q3k1/5pp1/2n5/4p3/3P4/1Q3N2/4KP2/8 b - - 0 1 Chess GAINZZ What about your chess GAINZZZ, brah? Problem 2 - White To Play (588 ) Hint: White wins material 2r2r2/1p1b1pk1/pqn1pnpp/3pN3/8/N1P2Q1P/PP3PP1/R1B1R1K1 w - - 0 1 Fun Fact Prior to the 1800s, Oxford University outlawed chess, calling it "noxious, inordinate and unhonest." Its chess club was formed in 1869. (h/t Bill Wall) Problem 3 - White To Play (BWTC 59) Hint: White mates in 5 r1bqrk2/pp1n1n1p/3p1p2/P1pP1P1Q/2PpP1NP/6R1/2PB4/4RBK1 w - - 0 1 Man and Machine Interesting piece by Garry Kasparov on losing a chess game to an AI. It's not as bad as you think: Deep Blue was conclusive proof that machines could surpass humans in complex cognitive tasks that we had long assumed were unique to our developed brains. Using chess as a metaphor, I discuss this important distinction in my recent book Deep Thinking. Deep Blue could look at 200 million positions per second, while I was limited to two or three, and yet we competed equally. The human brain is an unmatched analogy engine, finding useful patterns to leverage our lifetime of experience to make decisions. Garry might have lost a few games to Deep Blue, but he did a lot more with less. No matter how good the brute force engines get, there's something about human intelligence that they haven't quite captured. (h/t CBD) Problem 4 - White To Play (585) Hint: White mates in 7 rn3rk1/pbppq1pp/1p2pb2/4N2Q/3PN3/3B4/PPP2PPP/R3K2R w KQ - 0 1 (h/t ChessZebra) Endgame of the Week (583) It's White to play. Can he pull his fat out of the fire? Hint: Underpromotion is the difference between a draw and a win 8/6P1/8/8/2p5/5K2/3p4/k7 w - - 0 1 And For the 'Ettes, Dress Pr0n Elegant and delicate Hungarian ball gown c.1850. Look at the hanging fringe detail! https://t.co/pPuoibixbO #history #19thcentury #fashion pic.twitter.com/XUIeFrHRMx — Ephemeral Elegance (@drapedinhistory) September 26, 2017 ___________ Solutions Update Problem 1 - Black To Play 2q3k1/5pp1/2n5/4p3/3P4/1Q3N2/4KP2/8 b - - 0 1 Black wins the knight simply by attacking it: 1...e4! 2.Ke3 exf3 If White tries to save the knight with, say, 2.Ng5 then Black wins with 2...Nxd4+, a forking attack on White's queen and king. Black loses either knight or queen. Either way, he loses. Problem 2 - White To Play 2r2r2/1p1b1pk1/pqn1pnpp/3pN3/8/N1P2Q1P/PP3PP1/R1B1R1K1 w - - 0 1 1. Qxf6+ Kxf6 2. Nxd7+ and wins with the forking attack. You might have been looking at 1.Bxh6+ Kxh6 2.Qxf6, but after 2...Nxe5 3.Rxe5, Black has either 3...Qxb2, or 3...Qd8 forcing the trade of queens. In either case, material is roughly equal and White has accomplished nothing. No, 1.Qxf6+ is the move you want. Problem 3 - White To Play r1bqrk2/pp1n1n1p/3p1p2/P1pP1P1Q/2PpP1NP/6R1/2PB4/4RBK1 w - - 0 1 Pretty straightforward: 1.Qxf7+ Kxf7 2.Nh6+ Kf8 3.Rg8+ Ke7 4.Rg7+ Kf8 5.Rf7# Problem 4 - White To Play rn3rk1/pbppq1pp/1p2pb2/4N2Q/3PN3/3B4/PPP2PPP/R3K2R w KQ - 0 1 This is basically a king chase 1.Qxh7+ Kxh7 2.Nxf6+ Kh6 If 2...Kh8 then 3.Ng6#. 3.Neg4+ Kg5 4.h4+ Kf4 5.g3+ Kf3 6.O-O Lasker-Thomas 1912, the game from where this problem originated, was one move longer: 6.Be2+ Kg2 7.Rh2+ Kg1 8.Kd2# 6...b5 7.Nh2# Endgame of the Week 8/6P1/8/8/2p5/5K2/3p4/k7 w - - 0 1 1.Ke2 White's only move to stave off disaster. 1...c3 Forced. 2. g8=R! The key move. And it takes a lot of foresite to see. 2.g8=Q? is the wrong approach because of 2...d1=Q+ 3.Kxd1 c2+ 4.Kc1 and stalemate. 2...d1=Q+ If 2...Kb2, then 3.Rg1 Kc2 4.Rf1 Kb3 5.Kd3 Kb4 (5...Kb2 6.Rd1 Kb3 7.Rb1+) 6.Kc2 Kb5 7.Kxc3 3.Kxd1 c2+ 4.Kxc2 with mate to follow. 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. posted by OregonMuse at 05:13 PM \| Access Comments <script language="javascript" src="http://adserver.adtechus.com/addyn/3.0/5235/1131537/0/170/ADTECH;loc=700;cookie=info;target=_blank;key=key1+key2+key3+key4;grp=[group]"></script><noscript><a href="http://adserver.adtechus.com/adlink/3.0/5235/1131537/0/170/ADTECH;loc=300;key=key1+key2+key3+key4;grp=[group]" target="_blank"><img src="http://adserver.adtechus.com/adserv/3.0/5235/1131537/0/170/ADTECH;loc=300;key=key1+key2+key3+key4;grp=[group]" border="0" width="300" height="250"></a></noscript>	Recent Comments pawn (on his new laptop!!!): "So would you rather have him hanging out and messi ..." IRONGRAMPA: "Good morning, good people, from the Frigidrondacks ..." publius, Rascally Mr. Miley (w6EFb): " Darn, missed the solstice. It was at 09:21Z, 4: ..." 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