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The Chessgames.com Challenge
Team White vs Team Black
C U R R E N T   P O S I T I O N

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   Chessgames Challenge
Can large groups of chess fans team up to create a chess masterpiece? Find out in Chessgames Challenge!  You can vote for the move you think is best, and discuss the game with other members in the Kibitzer's Corner.

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[flip board] GAME OVER: 1/2-1/2 [flip board]

MOVES:
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 b5 9.Nd5 Be7 10.Bxf6 Bxf6 11.c3 O-O 12.Nc2 Bg5 13.a4 bxa4 14.Rxa4 a5 15.Bc4 Bd7 16.Nce3 Bxe3 17.Nxe3 Ne7 18.Ra2 Bc6 19.Qd3 Qd7 20.b3 Rfd8 21.Rd2 Qb7 22.f3 Rd7 23.Ke2 Rad8 24.Rhd1 d5 25.exd5 Nxd5 26.Nxd5 Bxd5 27.Bxd5 Rxd5 28.Qe4 Rxd2+ 29.Rxd2 Qxe4+ 30.fxe4 Rb8 31.Rb2 Kf8 32.Kd3 Ke7 33.Kc2 h5 34.Ra2 Rb5 35.c4 Rc5 36.Kc3 1/2-1/2
GAME OVER thank you for playingit is now 19:00:45
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WARNING ABOUT COMPUTER USE:  The use of chess playing computers is strictly prohibited during this game. You may not post computer analysis or evaluations to the Kibitzer's Corner, or consult chess playing computer software, including endgame tablebases, to help you decide on a move. Anybody violating this rule will be suspended from the game. Chess databases (such as chessgames.com) and reference materials are permitted. Thank you for preserving the integrity of this contest.

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 182 OF 182 ·  Later Kibitzing>
Oct-25-13
Premium Chessgames Member
  kutztown46: After 27. Bxd5:


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Analysis by Stockfish 4 64 (22-ply, 30 seconds):

1. (0.80): 27...Rxd5 28.Qxd5 Rxd5 29.Rxd5 g6 30.Rxe5 Qc7 31.Rdd5 Qxc3 32.Rxa5 Qxb3 33.Re3 Qc2+ 34.Kf1 Qd1+ 35.Re1 Qd3+ 36.Kg1 Qd4+ 37.Kh1 h5 38.Raa1 h4 39.Rad1 Qc5 40.h3 Kg7 41.Re4 Qc2 42.Rd6 Qb1+ 43.Kh2

2. (7.23): 27...Qc8 28.Qb5 Rf8 29.Qxa5 Kh8 30.Kf2 f5 31.Kg1 Qc7 32.Qxc7 Rxc7 33.c4 Rb8 34.Bc6 Kg8 35.Bb5 Kf7 36.b4 Re7 37.Kf2 e4 38.Rd7 exf3 39.Kxf3 g6 40.Rxe7+ Kxe7 41.Rd7+

27...Rxd5 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 27...Rxd5:


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Analysis by Stockfish 4 64 (39-ply, 24 hours):

1. (0.80): 28.Qxd5 Rxd5 29.Rxd5 g6 30.Rxe5 Qc7 31.Rdd5 Qxc3 32.Rxa5 Qxb3 33.Kf1 Qb1+ 34.Re1 Qd3+ 35.Kg1 Qd4+ 36.Kh1 h5 37.Raa1 h4 38.Rad1 Qc3 39.h3 Kg7 40.Re4 Qc2 41.Rd6 Qc7 42.Rd5 Qc6 43.Red4 Qe8

2. (0.78): 28.Qe4 Rxd2+ 29.Rxd2 Rxd2+ 30.Kxd2 Qxe4

3. = (0.00): 28.Qc4 Rxd2+ 29.Rxd2 Rxd2+ 30.Kxd2 g6 31.b4 Qa7 32.b5 Qf2+ 33.Qe2 Qc5 34.Kc2 a4 35.h3 Kf8 36.Kb2 f6 37.Qd3 Ke7 38.Ka2 Ke6 39.c4 Qb4 40.Qd5+ Ke7 41.Qb7+ Kd6 42.Qc6+ Ke7 43.Qc7+ Ke6

4. = (0.00): 28.Qc2 Rxd2+ 29.Rxd2 Rxd2+ 30.Qxd2 f6 31.Qc2 Qb6 32.Qd1 Kf8 33.h4 Ke7 34.g4 Qb5+ 35.c4 Qc5 36.Qd3 Qg1 37.Qxh7 Qg2+ 38.Ke3 Qg1+ 39.Kd2 Qf2+ 40.Kc1 Qg1+ 41.Kc2 Qf2+ 42.Kb1 Qg1+ 43.Kb2 Qd4+

28. Qe4 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 28. Qe4:


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Analysis by Stockfish 4 64 (36-ply, 21 hours):

1. (0.60): 28...Rxd2+ 29.Rxd2 Qxe4+ 30.fxe4 Rb8 31.Rb2 g6 32.Kd3 f5 33.exf5 gxf5 34.Ra2 e4+ 35.Kd4 Rd8+ 36.Ke5 Rd3 37.Rxa5 Rxc3 38.Kf6 Rc6+ 39.Kxf5 Rb6 40.Kxe4 Rb4+ 41.Kf5 Rxb3 42.g4 Rh3 43.Ra8+ Kg7 44.Ra7+

2. (0.68): 28...Qa6+ 29.c4 Rxd2+ 30.Rxd2 Rf8 31.Rd5

3. (0.76): 28...Qb5+ 29.c4 Rxd2+ 30.Rxd2 Rxd2+ 31.Kxd2 Qb4+ 32.Kc2 f6 33.Qd5+ Kf8 34.h4 Qa3 35.c5 a4 36.Qd6+ Kf7 37.bxa4 Qxa4+ 38.Kc3 f5 39.c6 Qa5+ 40.Kd3 Qb5+ 41.Kd2 Qb2+ 42.Kd1 Qb1+ 43.Ke2 Qb2+ 44.Kf1

4. (13.49): 28...Rf8 29.Rxd5 Qb6 30.c4 h5 31.Rb5 Qc7 32.Qb7 Qxb7 33.Rxb7 Kh7 34.Rd5 Rc8 35.Rxa5 Kg6 36.Rxe5 Ra8 37.b4 h4 38.Ra5 Rc8 39.c5 h3 40.gxh3 f6 41.Raa7 Kf5 42.Rxg7 Ke5

28...Rxd2+ was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 28...Rxd2+:


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Analysis by Stockfish 4 64 (23-ply, 30 seconds):

1. (0.60): 29.Rxd2 Qxe4+ 30.fxe4 Rb8 31.Rb2 g6 32.Kd3 f5 33.exf5 gxf5 34.Ra2 e4+ 35.Kd4 Rd8+ 36.Ke5 Rd3 37.Rxa5 Rxc3 38.Kf6 Rc6+ 39.Kxf5 Rb6 40.Kxe4 Rb4+ 41.Kf5 Rxb3 42.g4 Rh3 43.Ra8+ Kg7 44.Ra7+ Kg8

2. (-#9): 29.Ke1 Rxd1+ 30.Kf2 R1d2+ 31.Kg3 Qxe4 32.fxe4 R8d3+ 33.Kg4 f6 34.g3 Rxh2 35.Kf5 Kf7 36.b4 Rxg3 37.bxa5 g6#

29. Rxd2 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 29. Rxd2:


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Analysis by Stockfish 4 64 (36-ply, 11 hours):

1. (0.52): 29...Rxd2+ 30.Kxd2 Qb8 31.Kc2 g6 32.c4 Qc7 33.Qd5 Kf8 34.c5 Ke7 35.Kb2 Qb8 36.c6 Qc7 37.Qc5+ Qd6 38.Qxa5 Qd4+ 39.Kc2 Qf2+ 40.Kd3 Qd4+ 41.Ke2

2. (0.60): 29...Qxe4+ 30.fxe4 Rb8 31.Rb2 h5 32.Kd3 Kf8 33.g3 h4 34.Kc2 Rb6 35.Ra2 Rf6 36.Kd3 Rd6+ 37.Ke2 hxg3 38.hxg3 Rb6 39.Ra3 Ke7 40.Rxa5 Rxb3 41.Rxe5+ Kd6 42.Rd5+ Ke6 43.Kd2 Rb2+ 44.Ke3 Rc2 45.Rc5

3. (0.60): 29...Qa6+ 30.c4 Rf8 31.Rd5 Qb6 32.Qe3 Qb4 33.c5 a4 34.bxa4

4. (0.76): 29...Qb5+ 30.c4 Rxd2+ 31.Kxd2 Qb4+ 32.Kc2 f6 33.Qd5+ Kf8 34.h4 Qa3 35.c5 a4 36.Qd6+ Kf7 37.bxa4 Qxa4+ 38.Kc3 f5 39.c6 Qa5+ 40.Kd3 Qa6+ 41.Kc2 Qa2+ 42.Kc1 Qc4+ 43.Kd2

29...Qxe4+ was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 29...Qxe4+:


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Analysis by Stockfish 4 64 (20-ply, 10 seconds):

1. (0.60): 30.fxe4 Rb8 31.Rb2 h5 32.Kd3 Kf8 33.g3 h4 34.Kc2 Rb6 35.Ra2 Rf6 36.Kd3 Rd6+ 37.Ke2 hxg3 38.hxg3 Rb6 39.Ra3 Ke7 40.Rxa5 Rxb3 41.Rxe5+ Kd6 42.Rd5+ Ke6 43.Kd2 Rb2+ 44.Ke3 Rc2 45.Rc5

2. (-114.75): 30.Kd1 Qb1+ 31.Ke2 Rxd2+ 32.Kxd2 Qxb3 33.c4 Qxc4 34.f4 Qxf4+ 35.Kd3 Qxh2 36.g4 Qg3+ 37.Kc2 e4 38.Kc1 e3 39.Kd1 Qf3+ 40.Kc1 Qxg4 41.Kb1 e2 42.Kb2 e1Q

30. fxe4 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 30. fxe4:


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Analysis by Stockfish 4 64 (24-ply, 1 minute):

1. (0.60): 30...Rb8 31.Rb2 h5 32.Kd3 Kf8 33.g3 h4 34.Kc2 Rb6 35.Ra2 Rf6 36.Kd3 Rd6+ 37.Ke2 hxg3 38.hxg3 Rb6 39.Ra3 Ke7 40.Rxa5 Rxb3 41.Rxe5+ Kd6 42.Rd5+ Ke6 43.Kd2 Rb2+ 44.Ke3 Rc2 45.Rc5

2. (0.94): 30...Rc8 31.Kd3 Kf8 32.Ra2 Rb8 33.Kc2 Rb5 34.c4 Rc5 35.g4 Ke7 36.Kd3 h6 37.Ke3 Ke6 38.Ra1 Kd6 39.Kd3 Ke6 40.Kc3 g6 41.Kd2 Ke7 42.h4 Ke6 43.Ke3 f6 44.Ra2

3. (1.55): 30...Ra8 31.Ra2 Kf8 32.b4 Rc8 33.bxa5 Ke7 34.Kd3 Ra8 35.a6 Kd6 36.Ra5 Kc6 37.c4 f6 38.c5 Ra7 39.Kc4 g6 40.g4

4. (1.59): 30...Rxd2+ 31.Kxd2 h5 32.Kd3 Kf8 33.Kc4 Ke7 34.Kd5 f6 35.c4 Kd7 36.c5 Kc7 37.c6 Kc8 38.Kd6 Kd8 39.g3 Kc8 40.h3 Kd8 41.c7+ Kc8 42.g4 h4 43.Kc6 g6 44.Kd6

30...Rb8 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 30...Rb8:


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Analysis by Stockfish 4 64 (38-ply, 6 hours):

1. (0.72): 31.Rb2 g6 32.Kd3 f5 33.exf5 gxf5 34.Ra2 e4+ 35.Kc2 Ra8 36.g3 Kf7 37.Ra4 Ke6 38.b4 h5 39.Rxa5 Rd8 40.b5 e3 41.b6 Rd2+ 42.Kc1 Rd6 43.Ra8 Rxb6 44.Re8+ Kd6 45.Rxe3 h4 46.Rd3+ Ke5

2. = (0.16): 31.Kd1 f5 32.Kc2 fxe4 33.Rd5 Rf8 34.Rxa5 Rf2+ 35.Kc1 Rxg2 36.Rxe5 Kf7 37.Rxe4 Rxh2 38.b4 h5 39.b5 Ra2 40.c4 Ra4 41.Kd2 g5 42.Kc3 Ra1 43.b6 g4 44.Re3 h4 45.Kc2 Ra2+ 46.Kb3 Ra1

3. = (0.00): 31.Ke3 g6 32.Rb2 f5 33.exf5 gxf5 34.b4 Kf7 35.b5 a4 36.c4 Ke6 37.Ra2 Ra8 38.Kd2 a3 39.Kc3 f4 40.Kb4 e4 41.b6 f3 42.gxf3 exf3 43.Kc5 Rf8 44.b7 Kd7 45.Kb6 f2 46.Rd2+ Ke6

4. = (0.00): 31.g3 Kf8 32.Rb2 Ke7 33.Kd3 Rb6 34.c4 Kd7 35.Kc3 Rf6 36.Rd2+ Kc6 37.Rd5 Rf3+ 38.Kb2 Rf2+ 39.Kc3 Rf3+

31. Rb2 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 31. Rb2:


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Analysis by Stockfish 4 64 (36-ply, 2 hours):

1. (0.58): 31...Kf8 32.Kd3 h5 33.Kc2 Rb6 34.Ra2 Rf6 35.Kd3 Rd6+ 36.Ke2 Rb6 37.Ra3 h4 38.g3 hxg3 39.hxg3 Ke7 40.Rxa5 Rxb3 41.Rxe5+ Kd6 42.Rd5+ Ke6 43.Rd3 Rb7 44.c4 Rb4 45.Rc3

2. (0.58): 31...h5 32.Kd3 Kf8 33.Kc2 Rb6 34.Ra2 Rf6 35.Kd3 Rd6+ 36.Ke2 Rb6 37.Ra3 h4 38.g3 hxg3 39.hxg3 Ke7 40.Rxa5 Rxb3 41.Rxe5+ Kd6 42.Rd5+ Ke6 43.Rd3 Rb7 44.c4 Rb4 45.Rc3

3. (0.72): 31...g6 32.Kd3 f5 33.exf5 gxf5 34.Ra2 e4+ 35.Kc2 Ra8 36.g3 Kf7

4. (0.74): 31...h6 32.Kd3 Kf8 33.Kc2 h5 34.Ra2 Rb5 35.c4 Rc5 36.Kc3 f6 37.g3 Ke7 38.Ra1 Ke6 39.h3 Ke7 40.Kd2 Kd6 41.Ra2 Ke7 42.Kd3 Kd7 43.g4 hxg4 44.hxg4 Ke6 45.Ra1 Kd6 46.Ke3 Ke7 47.Kf3

5. (0.74): 31...Rb7 32.Kd3 Kf8 33.Kc2 h5 34.Ra2 Rb5 35.c4 Rc5

6. (0.80): 31...f6 32.Kd2 Kf7 33.Kc2 Rc8 34.Ra2 Rc5 35.Kd3 Ke6 36.g4 Kd6 37.c4 Ke6 38.h4 h6 39.Ke3 Kd6 40.Rd2+ Kc6 41.Kd3 Kb6 42.Kc3 Kc7 43.g5 hxg5 44.hxg5 Rc6 45.gxf6 gxf6 46.Rd5 Ra6 47.Rd1

31...Kf8 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 31...Kf8:


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Analysis by Stockfish 4 64 (27-ply, 1 minute):

1. (0.58): 32.Kd3 h5 33.Kc2 Rb6 34.Ra2 Rf6 35.Kd3 Rd6+ 36.Ke2 Rb6 37.Ra3 h4 38.g3 hxg3 39.hxg3 Ke7 40.Rxa5 Rxb3 41.Rxe5+ Kd6 42.Rd5+ Ke6 43.Rd3 Rb7 44.c4 Rb4 45.Rc3

2. = (0.24): 32.Kd2 Rb6 33.Kc2 Rg6 34.Kd3 Rd6+ 35.Kc4 Rc6+ 36.Kb5 Rxc3 37.Kxa5 Ke7 38.b4 Kd6 39.b5 Kc7 40.Ra2 Re3 41.Rc2+ Kb7 42.Rd2 Kc8 43.b6 Rxe4 44.Rc2+ Kb8 45.Rc7 Rf4 46.Re7 Rf2 47.g3 Rxh2

3. = (0.24): 32.Kd1 Rb6 33.Kc2 Rg6 34.Kd3 Rd6+ 35.Kc4 Rc6+ 36.Kb5 Rxc3 37.Kxa5 Ke7 38.b4 Kd6 39.b5 Kc7 40.Ra2 Re3 41.Rc2+ Kb7 42.Rd2 Kc8 43.b6 Rxe4 44.Rc2+ Kb8 45.Rc7 Rf4 46.Re7 Rf2 47.g3 Rxh2

4. = (0.14): 32.Rb1 Rb6 33.c4 Ke7 34.Kd3 Rd6+ 35.Kc3 Rd4 36.Ra1 Rxe4 37.Kd2 Rd4+ 38.Ke3 f5 39.Rxa5 f4+ 40.Ke2 Kd6 41.Ra6+ Kc5 42.Ra7 Re4+ 43.Kd2 Re3 44.Ra5+ Kc6 45.b4 Re4 46.Rc5+ Kd6 47.Rd5+ Kc7

32. Kd3 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 32. Kd3:


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Analysis by Stockfish 4 64 (36-ply, 2 hours):

1. (0.64): 32...h5 33.Kc2 Rb5 34.Ra2 f6 35.c4 Rc5 36.Ra1 Ke7 37.Kd3 Kd6 38.Kc3 Ke6 39.Ra2 Ke7 40.Rd2 Rc8

2. (0.64): 32...Ke8 33.Kc2 h5 34.Ra2 Rb5 35.Ra1 Rc5 36.Kd3 Kd7 37.c4 Kd6 38.Ra2 f6 39.Kc3 Ke6 40.Ra1 Kd6 41.h4 Kd7 42.g3 g6 43.Ra2 Ke6 44.Kd3 Ke7 45.Ke3 Kd6 46.Kf3 f5 47.Ke3 Ke6 48.Kd2

3. (0.64): 32...Rb7 33.Kc2 h5 34.Ra2 Rb5 35.c4 Rc5 36.Kd3 Ke7 37.Kc3 f6 38.Kd3 Kd6 39.Ra1 Kd7 40.g3 g6 41.h3 f5 42.Ke3 Ke6 43.Ra2 Kd6 44.Ra1 Kd7 45.Ra2 Kd6

4. (0.64): 32...Ke7 33.Kc2 h5 34.Ra2 Rb5 35.c4 Rc5 36.Kc3 f6 37.Kd3 Ke6 38.g3 g6 39.h3 f5 40.Ke3 Kd6 41.Kf3 Ke6 42.Kf2 Kd6 43.Ke3 Ke6 44.Ra3 Kd7 45.Ra1 Ke6 46.Kf3 Kd6 47.Kf2 Ke7 48.Ke2

5. (0.64): 32...h6 33.Kc2 h5 34.Ra2 Rb5 35.c4 Rc5 36.Kd3 Ke7 37.Kc3 f6

6. (0.72): 32...g6 33.Kc2 h5 34.Ra2 Rb5 35.c4 Rc5 36.Kd3 Ke7 37.h4 Kf8 38.Kc3 Ke7 39.Ra1 Ke6 40.Ra3 Kd6 41.Kd3 Ke7 42.Kc2 Ke6 43.Ra1 Ke7 44.Kd3 Kd6

7. (0.80): 32...f6 33.c4 Ke7 34.Kc2 Rc8 35.Ra2 Rc5 36.h3 h5 37.g3 Kd6 38.g4 hxg4 39.hxg4 Ke6 40.Kc3 Ke7 41.Kd3 Kd6 42.Ra1 Ke7 43.Ke3 Kd6 44.Kf3 Ke6 45.Ra2 Kf7 46.Ke3 Ke6 47.Kd2 Kd6 48.Ra1

8. (0.88): 32...Rd8+ 33.Kc2 Rc8 34.Ra2 Rc5 35.g4 f6 36.Kd3 Ke7 37.h3 Kf7 38.b4

32...Ke7 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 32...Ke7:


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Analysis by Stockfish 4 64 (25-ply, 1 minute):

1. (0.64): 33.Kc2 h5 34.Ra2 Rb5 35.c4 Rc5 36.Kc3 f6 37.Kd3 Ke6 38.g3 g6 39.h3 f5 40.Ke3 Kd6 41.Kf3 Ke6 42.Kf2 Kd6 43.Ke3 Ke6 44.Ra3 Kd7 45.Ra1 Ke6 46.Kf3 Kd6 47.Kf2 Ke7 48.Ke2 Ke6

2. = (0.10): 33.g4 Rb6 34.g5 Rd6+ 35.Ke3 Rb6 36.h4 f6 37.gxf6+ Kxf6 38.c4

3. = (0.06): 33.Rb1 Rb6 34.c4 Rd6+ 35.Kc3 Rd4 36.Ra1 Rxe4 37.Rxa5 Re3+ 38.Kb4 e4 39.Re5+ Kd6 40.Rg5 g6 41.Rd5+ Ke6 42.Rd4 Re2

4. = (0.00): 33.h4 Rb6 34.Ra2 Rxb3 35.Rxa5 Ke6 36.Ra6+ Kd7 37.Kc4 Rb7 38.g4 h6 39.Kc5 Rc7+ 40.Kd5 Rxc3 41.Ra7+ Rc7 42.Rxc7+ Kxc7 43.Kxe5 Kc6 44.g5 hxg5 45.hxg5 Kc5 46.g6 fxg6 47.Ke6 g5 48.Kf5 Kd4

33. Kc2 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 33. Kc2:


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Analysis by Stockfish 4 64 (38-ply, 2 hours):

1. (0.64): 33...h5 34.Ra2 Rb5 35.c4 Rc5 36.Kc3 f6 37.Ra1 Kd6 38.g3 g6 39.Rd1+ Ke7 40.Rd2 Rc8 41.Ra2 Rc5

2. (0.90): 33...Rb5 34.g4 Rc5 35.Ra2 f6 36.c4 Kf7 37.Kc3 Ke6 38.h4 Kd6 39.Rd2+ Ke6 40.Rd8 g6 41.Ra8

3. (0.90): 33...Rc8 34.Ra2 Rc5 35.g4 f6 36.c4 Kf7 37.Kc3 Ke6 38.h4 Kd6 39.g5

4. (0.90): 33...Kf6 34.Ra2 Rb5 35.c4 Rc5 36.Kc3 Ke6 37.g4 f6 38.h4 Kd6 39.Rd2+ Ke6

5. (0.90): 33...Rb6 34.Ra2 Rb5 35.c4 Rc5 36.g4 f6 37.h4 Ke6 38.Kc3 h6 39.h5 Ke7 40.Kd3 Ke6 41.Ra4 Ke7 42.Kc3 Kd6 43.Ra3 Ke6 44.Ra1 Ke7 45.Kd3 Kd6 46.Kc3 Ke6 47.Kd3 Ke7

6. (0.90): 33...f6 34.Ra2 Rb5 35.g4 Kf7 36.c4 Rc5 37.Kc3 Ke6 38.h4 h6 39.h5 Ke7 40.Kd3 Ke6 41.Ra4 Ke7 42.Kc3 Kd6 43.Ra3 Ke6 44.Ra1 Ke7 45.Kd3 Kd6 46.Kc3 Ke6 47.Kd3 Ke7

33...h5 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 33...h5:


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Analysis by Stockfish 4 64 (35-ply, 45 minutes):

1. (0.64): 34.Ra2 Rb5 35.c4 Rc5 36.Kc3 f6 37.Ra1 Kd6 38.g3 g6 39.Rd1+ Ke7 40.Rd2 Rc8 41.Ra2 Rc5 42.Rd2

2. (0.64): 34.c4 Rc8 35.Ra2 Rc5 36.Kc3 f6 37.Ra1 Kd6 38.g3 g6 39.Rd1+ Ke7 40.Rd2 Rc8 41.Ra2 Rc5 42.Rd2

3. (0.64): 34.g3 g6 35.Ra2 Rb5 36.c4 Rc5 37.Kd3 Ke6 38.Ke3 f5 39.Ra1 Kd6 40.Kf3 Ke6 41.Ra3 Kd6 42.Ra4 Kd7 43.Ke3 Kd6 44.h3 Ke7 45.Kf3 Kd6 46.Ra3 Ke6 47.Ra2 Kd6 48.Kf2 Ke6 49.Ke3 Kf6

4. (0.64): 34.Rb1 Rb6 35.Ra1 Rb5 36.c4 Rc5 37.Kd3 f6 38.h4 Kd6 39.Kc3 Ke6 40.Kc2 Kd6 41.Ra2 Ke6 42.Kc3 Kd6 43.Rd2+ Ke7 44.g3 g6 45.Ra2 Ke6 46.Ra1 Kd7 47.Kd3 Ke6 48.Ke3 Kd6 49.Kd3 Ke6

5. = (0.10): 34.h3 Rb6 35.Ra2 Rg6 36.Kd3 Kd7 37.Rxa5 Rxg2 38.Kc4 Rh2 39.Rxe5 Rxh3 40.Rd5+ Kc6 41.b4 g6

6. = (0.00): 34.h4 Rb6 35.Ra2 Rg6 36.Kd3 Rg3+ 37.Kc4 Re3 38.Rxa5 Rxe4+ 39.Kd5 Re3 40.b4 Rxc3 41.Kxe5 Rc4 42.Ra7+ Kd8 43.Rxf7 Rxb4 44.g3 Rg4 45.Rf3 g5 46.hxg5 Rxg5+ 47.Ke6 Rg6+ 48.Kf5 Rb6 49.Kg5 Rb5+

34. Ra2 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 34. Ra2:


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Analysis by Stockfish 4 64 (29-ply, 1 minute):

1. (0.64): 34...Rb5 35.c4 Rc5 36.Kc3 f6 37.Ra1 Kd6 38.g3 g6 39.Rd1+ Ke7 40.Rd2 Rc8 41.Ra2 Rc5 42.Rd2

2. (1.81): 34...Ra8 35.Ra4 Ra6 36.b4 Rg6 37.bxa5 Ra6 38.Kb3 Kd6 39.Kb4 Kc6 40.c4 Ra7 41.a6 g6 42.Ra2 f5 43.exf5 gxf5 44.Ra5 Kd6 45.Rd5+ Ke6 46.Kb5 e4 47.Kb6

34...Rb5 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 34...Rb5:


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Analysis by Stockfish 4 64 (38-ply, 45 minutes):

1. (0.64): 35.g3 Rc5 36.Kd3 g6 37.c4 Ke6 38.Ke3 f5 39.Ra1 Kd6 40.Kf3 Ke6 41.Ra3 Kd6 42.Ra4 Kd7 43.Ke3 Kd6 44.Ra1

2. (0.64): 35.c4 Rc5 36.Kc3 f6 37.Ra1 Kd6 38.g3 g6 39.Rd1+ Ke7 40.Rd2 Rc8 41.Ra2 Rc5 42.Kd3 Ke6 43.Ra1 f5 44.Ke3 Kd6 45.Kf3 Ke6 46.Ra3 Kd6 47.Ra4 Kd7 48.Ke3 Kd6 49.Ra1 Ke6 50.Kf3 Kd6

3. (0.64): 35.Ra4 Rc5 36.g3 Kd6 37.Ra1 g6 38.c4 f5 39.Kd3 Ke6 40.Ke3 Kd6 41.Kf3 Ke6 42.Ra3 Kd6 43.Ra4 Kd7 44.Ke3 Kd6 45.Ra1

4. (0.52): 35.Ra1 h4 36.Kb2 Rc5 37.c4 g6 38.Kc2 f5 39.Kd3 Kd7 40.Ke3 Kc6 41.Ra2 Kd7 42.g3 hxg3 43.hxg3 Kd6 44.Kf3 Kc6 45.Ra1 Kd6 46.Ke3 Ke6 47.Ra2 Kd6

5. (0.52): 35.Kb2 h4 36.c4 Rc5 37.Kc3 g6 38.Kd3 f5 39.Ra1 Kd7 40.Ke3 Kc6 41.Ra2 Kd7 42.g3 hxg3 43.hxg3 Kd6 44.Kf3 Kc6 45.Ra1 Kd6 46.Ke3 Ke6 47.Ra2 Kd6

6. (0.52): 35.Ra3 h4 36.Ra1 g6 37.c4 Rc5 38.Kd3 f5 39.Ra4 Ke6 40.Ra2 Kf6 41.Ke3 Ke6 42.Ra1 Kd6 43.g3 hxg3 44.hxg3 Ke6 45.Ra2 Kd6 46.Kf3 Kc6 47.Ra1 Kd6 48.Ke3

35. c4 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 35. c4:


click for larger view

Analysis by Stockfish 4 64 (25-ply, 30 seconds):

1. (0.64): 35...Rc5 36.Kc3 f6 37.Ra1 Kd6 38.g3 g6 39.Rd1+ Ke7 40.Rd2 Rc8 41.Ra2 Rc5 42.Kd3 Ke6 43.Ra1 f5 44.Ke3 Kd6 45.Kf3 Ke6 46.Ra3 Kd6 47.Ra4 Kd7 48.Ke3 Kd6 49.Ra1 Ke6 50.Kf3 Kd6 51.exf5

2. (2.72): 35...Rb8 36.Rxa5 Ke6 37.c5 g6 38.Ra6+ Ke7 39.Kc3 f5 40.Rxg6 fxe4 41.Rh6 Ra8 42.Rxh5 Ke6 43.c6 Kd5 44.c7 Rc8 45.Rh7 Kd6 46.g4 Rxc7+ 47.Rxc7 Kxc7 48.Kd2 Kd6 49.Ke3 Kd5 50.h4

35...Rc5 was played.

Oct-25-13
Premium Chessgames Member
  kutztown46: After 35...Rc5 (final position):


click for larger view

Analysis by Stockfish 4 64 (50-ply, 46 hours):

1. (0.30): 36.Kc3 g6 37.Kd3 f5 38.h4 Ke6 39.g3 Kd6 40.Ke3 Ke7 41.Ra3 Ke6 42.Ra1 Kd6 43.Kd3 Ke7 44.Ke2 Kf6 45.Kf3 Ke6 46.Ke3

2. (0.30): 36.h4 g6 37.Kd3 Ke6 38.Kc3 f5 39.Kd3 Kd6 40.Ke3 Ke6

3. (0.30): 36.Kd2 g6 37.Ke3 f5 38.g3 Kf6 39.Kf3 Kg5 40.h4+ Kf6 41.Ke3 Kf7 42.Ra3 Ke6 43.Ra1 Kd6 44.Kd3 Ke7 45.Ke2 Kf6 46.Kf3 Ke6 47.Ke3

4. (0.30): 36.Kd3 g6 37.Ke3 f5 38.g3 Kf6 39.Kf3 Kg5 40.h4+ Kf6 41.Ke3 Kf7 42.Ra3 Ke6 43.Ra1 Kd6 44.Kd3 Ke7 45.Ke2 Kf6 46.Kf3 Ke6 47.Ke3

5. (0.30): 36.g3 g6 37.Kd3 f5 38.Ke3 Kf6 39.Kf3 Kg5 40.h4+ Kf6 41.Ke3 Kf7 42.Ra3 Ke6 43.Ra1 Kd6 44.Kd3 Ke7 45.Ke2 Kf6 46.Kf3 Ke6 47.Ke3

6. (0.30): 36.Ra1 g6 37.Kc3 f5 38.Kd3 Kf6 39.h4 Ke6 40.Ke3 Ke7 41.Ra3 Kf6 42.g3 Ke6 43.Ra1 Kd6 44.Kd3 Ke7 45.Ke2 Kf6 46.Kf3 Ke6 47.Ke3

7. (0.30): 36.Ra3 g6 37.Kc3 f5 38.Kd3 Kf6 39.h4 Ke6 40.Ke3 Kd6 41.g3 Ke6 42.Ra1 Kd6 43.Kd3 Ke7 44.Ke2 Kf6 45.Kf3 Ke6 46.Ke3

8. (0.30): 36.Ra4 g6 37.Kd3 f5 38.Ra1 Kf6 39.h4 Ke6 40.Ke3 Ke7 41.Ra3 Kf6 42.g3 Ke6 43.Ra1 Kd6

9. (0.30): 36.Kb2 g6 37.Kc3 f5 38.Kd3 Kf6 39.h4 Ke6 40.g3 Kd6 41.Ke3 Ke7 42.Ra3 Ke6 43.Ra1 Kd6

10. (0.30): 36.Kb1 g6 37.Kc2 f5 38.Kd3 Kf6 39.h4 Ke6 40.g3 Kd6 41.Ke3 Ke7 42.Ra3 Ke6 43.Ra1 Kd6

11. (0.30): 36.Kc1 g6 37.Kc2 f5 38.Kd3 Kf6 39.h4 Ke6 40.g3 Kd6 41.Ke3 Ke7 42.Ra3 Ke6 43.Ra1 Kd6

12. (0.30): 36.Kd1 f6 37.Ke2 g6 38.Ke3 f5 39.g3 Kf6 40.Kf3 Kg5 41.h4+ Kf6 42.Ke3 Kf7 43.Ra3 Ke6 44.Ra1 Kd6

Oct-25-13
Premium Chessgames Member
  AylerKupp: <kutztown46> Wow! Talk about being an MDOP! You must have had a lot of excess time on your hands. I sure hope that your bridge playing didn't suffer.

Of course, I couldn't resist so I loaded much of your data into a spreadsheet and got some interesting statistics (well, interesting for me, at least). Here are some of them:

Total time Stockfish spent analyzing = 542 hours

Average calculation time per ply = 10.2 hours

Average search depth = 33.6 plies/move

Percent of the time the team played Stockfish's top move:

Team White = 80.8%
Team Black = 53.0%

So it looks like Team White was much more Stockfish-agreeable than Team Black.

I also plotted the average engine evaluation and Stockfish's evaluation per move. Stockfish was more bullish on White's chances towards the end (move 31 onwards) than the average engine evaluations, [+0.61] to [+0.21] although it had dropped its evaluation after 36.Kc3 to [+0.30] vs. the average engine evaluation of [-0.17]. Yes, the average engine evaluations went negative starting with 35.c4. That certainly didn't discourage me from offering a draw!

I can email you the spreadsheet if you're curious since I'm having trouble with my MediaFire account at the moment and can't post it.

Oct-27-13
Premium Chessgames Member
  kutztown46: <AK> Doing this type of work is not that time consuming. I set up the position and let it run on the spare computer while I do other things. Then I save the analysis, make the next move, and repeat the process. About 2 minutes suffices per move. The time consuming part was copying, pasting, and posting all of it. That took about an hour.
Nov-11-13
Premium Chessgames Member
  hoodrobin: Just played a CC game against a stronger opponent (1 day per move). The game was <similar> in the opening. I managed to win in the end. In case it might be of some interest for BoBIV players I give the score:

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6 6.N1c3 a6 7.Na3 b5 8.Nd5 Nf6 9.Bg5 Be7 10.Bxf6 Bxf6 11.c3 Rb8 12.Nc2 Bg5 13.a4 bxa4 14.Ncb4 Bd7 15.Bxa6 Nxb4 16.Nxb4 O-O 17.O-O Qf6 18.Qh5 h6 19.Bd3 Qf4 20.Qd1 Bd8 21.Bc2 Bb5 22.g3 Qg5 23.Re1 Bb6 24.Bxa4 Bxa4 25.Rxa4 f5 26.Nd5 Bxf2+ 27.Kxf2 f4 28.Ke2 Rxb2+ 29.Kd3 Rxh2 30.gxf4 exf4 31.Rg1 Rh3+ 32.Kc2 Rg3 33.Rf1 f3 34.Kb3 h5 35.Qd3 h4 36.e5 dxe5 37.Qc4 Kh7 38.Qb4 Re8 39.Qe4+ g6 40.Qxh4+ Qxh4 41.Rxh4+ Kg7 42.Rfh1 Rb8+ 43.Kc4 Kf7 44.Ra1 Rf8 45.Rh7+ Ke6 46.Ne3 Kf6 47.Kd3 Kg5 48.Re7 Kf6 49.Rb7 Kg5 50.Rb5 Kf6 51.Rf1 Rh8 52.Rb6+ Kg7 53.Re6 Rh5 54.Rb1 Kf7 55.Ra6 1-0

It is obviously of a lower quality than BoBIV.

Dec-26-13
Premium Chessgames Member
  offramp: Did these teams play a second game with swapped colours?
Dec-26-13
Premium Chessgames Member
  hms123: <offramp>

Basically, yes.

Team White

If you look at the kibitzing you can see that the rosters switched colors from game to game.

While the games were in progress the team rosters were available, but no longer it seems.

Feb-07-14
Premium Chessgames Member
  morfishine: <kutztown46> You are a wonder
Feb-07-14  benjinathan: I find this pretty amazing:

<<<<1. (0.64): 35...Rc5 36.Kc3 f6 37.Ra1 Kd6 38.g3 g6 39.Rd1+ Ke7 40.Rd2 Rc8 41.Ra2 Rc5 42.Kd3 Ke6 43.Ra1 f5 44.Ke3 Kd6 45.Kf3 Ke6 46.Ra3 Kd6 47.Ra4 Kd7 48.Ke3 Kd6 49.Ra1 Ke6 50.Kf3 Kd6 51.exf5>>>>

<1. (0.30): 36.Kc3 g6 37.Kd3 f5 38.h4 Ke6 39.g3 Kd6 40.Ke3 Ke7 41.Ra3 Ke6 42.Ra1 Kd6 43.Kd3 Ke7 44.Ke2 Kf6 45.Kf3 Ke6 46.Ke3>

At fifty ply the machine judges a .64 pawn advantage for white BEFORE 35... Rc5 is played.

However, after 35...RC5 is played, again at 50 ply, the machine drops the eval. to .30.

The first deviation between the two lines is only one move later at black's 36th move: f6 before Rc5 is played and g6 after it is played.

One ply changes everything.

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