Two Super GM make 10 point blunder on same move

[kgburcham]

I have been collecting GM and Super GM Tournament Blunders.
Here is an example of one of those blunders. Here is a 10 point move that both 2750 GMs miss. Almost every tournament I have checked this year has several of these, not a 10 point blunder but most games have 2,3, or 4 point blunders. Complete game below.


Before 31…Be6
[d] 8/p3p2k/r4p1n/q3pb1P/1rp1N3/P1N3R1/1PP1Q3/KR6 b - -

16/51 0:39 0.00 31...Rb8 32.Qg2 Kh8 33.Qd2 Nf7 34.Qe2 Nh6 35.Qe3 Ng4 36.Qe2 Nh6 (80.558.764) 2015
17/53 1:23 0.00 31...Rb8 32.Qg2 Kh8 33.Qd2 Nf7 34.Qe2 Nh6 35.Qe3 Ng4 36.Qe2 Nh6 (166.453.255) 2003
18/55 2:56 +0.01 31...Rb8 32.Qg2 Kh8 33.Qd2 Nf7 34.Qe2 Nh6 35.Qe3 Ng4 36.Qd2 Qd8 37.Qe2 Qc8 38.Nf2 Nxf2 39.Qxf2 Qe6 40.Rf1 Bg4 (353.105.875) 2006
19/57 6:16 +0.01 31...Rb8 32.Qg2 Kh8 33.Qd2 Nf7 34.Qe2 Nh6 35.Qe3 Ng4 36.Qd2 Qd8 37.Qe2 Qc8 38.Nf2 Nxf2 39.Qxf2 Qe6 (746.606.094) 1984


10 point blunder after Black Plays 31…Be6
[d] 8/p3p2k/r3bp1n/q3p2P/1rp1N3/P1N3R1/1PP1Q3/KR6 w - -

10/39 0:01 +2.35 32.Qg2 Nf5 33.Rg7+ Nxg7 34.Qg6+ Kh8 35.Qh6+ Kg8 36.Rg1 Bg4 37.Rxg4 (1.736.875) 1587
11/41 0:02 +4.92 32.Qg2 Nf5 33.Rg7+ Nxg7 34.Qg6+ Kh8 35.Qh6+ Kg8 36.Rg1 Bg4 37.Rxg4 Kf7 38.Rxg7+ (3.572.363) 1668
12/43 0:04 +5.22 32.Qg2 Rxb2 33.Rxb2 Bg4 34.Rxg4 Qxa3+ 35.Na2 Nxg4 36.Qxg4 f5 37.Qxf5+ Kh6 38.Kb1 (8.064.863) 1720
13/45 0:09 +10.23 32.Qg2 Qxa3+ 33.bxa3 Rxa3+ 34.Na2 Rxg3 35.Nxg3 Rxb1+ 36.Kxb1 Bf7 37.Qe4+ Kh8 38.Nc3 a5 (17.862.489) 1861
14/47 0:12 +10.27 32.Qg2 Qxa3+ 33.bxa3 Rxa3+ 34.Na2 Rxg3 35.Nxg3 Rxb1+ 36.Kxb1 Bf7 37.Qe4+ Kg8 38.Nc3 Kf8 39.Qc6 a5 (24.190.445) 1947
15/49 0:19 +10.39 32.Qg2 Rxb2 33.Rxb2 Qxa3+ 34.Na2 Qxg3 35.Qxg3 Bf7 36.Rb7 Kh8 37.Nc5 Rd6 38.Nc3 Rd8 39.Qf3 (40.778.496) 2092
16/51 0:40 +10.72 32.Qg2 Qxa3+ 33.bxa3 Rxa3+ 34.Na2 Rxb1+ 35.Kxb1 Rxg3 36.Nxg3 Bf7 37.Qb7 Ng8 38.Qe4+ Kh8 39.Qa8 Kh7 40.Qf8 Be6 41.Nb4 Bg4 42.Qf7+ Kh6 43.Qxg8 Bxh5 44.Qxc4 (88.549.614) 2172
17/53 1:09 +11.00 32.Qg2 Rxb2 33.Rxb2 Qxa3+ 34.Na2 Qxg3 35.Qxg3 Bf7 36.Rb7 Kh8 37.Qg2 Re6 38.Rxa7 Kh7 39.Qe2 Nf5 40.Qf3 Nh6 (158.478.806) 2271
18/55 2:28 +11.29 32.Qg2 Rxb2 33.Rxb2 Qxa3+ 34.Na2 Qxg3 35.Qxg3 Bf7 36.Rb7 Kh8 37.Qg2 Re6 38.Rxa7 Kh7 39.Qe2 Ng8 40.Qxc4 Kg7 41.Qc8 f5 42.Ng5 (342.124.968) 2305
19/57 5:23 +11.55 32.Qg2 Qxa3+ 33.bxa3 Rxa3+ 34.Na2 Rxb1+ 35.Kxb1 Rxg3 36.Nxg3 Kh8 37.Qa8+ Kg7 38.Qxa7 Ng8 39.Nb4 Kf7 40.Nc6 Bh3 41.Qc5 Kf8 42.Ne4 Bg2 43.Nxf6 Bxc6 44.Nxg8 (742.919.360) 2297

White misses 10 point move and plays 32.Rg6
[d] 8/p3p2k/r3bpRn/q3p2P/1rp1N3/P1N5/1PP1Q3/KR6 b - -

12/41 0:04 +1.83 32...Rxb2 33.Rxb2 Qxa3+ 34.Na2 c3 35.Nexc3 Nf5 36.Kb1 Nd4 37.Rg7+ Kxg7 (8.318.294) 1739
13/45 0:09 +2.05 32...Rxb2 33.Rxb2 Qxa3+ 34.Na2 Bf7 35.Qg2 Rb6 36.Rxb6 axb6 37.Rg3 Qa6 38.Rg7+ (16.469.849) 1762
14/45 0:17 +2.36 32...Rxb2 33.Rxb2 Qxa3+ 34.Na2 Bf7 35.Qg2 Rb6 36.Rxb6 axb6 37.Ng5+ fxg5 38.Qxg5 Bxg6 39.Qxg6+ Kh8 40.Qxh6+ Kg8 41.Qg6+ (32.604.958) 1827
14/47 0:33 +1.80 32...Bf5 33.Qg2 Bxe4 34.Qxe4 Qxa3+ 35.bxa3 Rxa3+ 36.Na2 Rxa2+ 37.Kxa2 Ra4+ 38.Kb2 c3+ 39.Kxc3 Rxe4 40.Rb7 Ng8 41.Rb4 Re3+ 42.Kc4 f5 43.Rb8 Nf6 44.Rb7 Ng8 45.Rxa7 f4 (65.458.788) 1932
15/49 0:55 +1.52 32...Bf5 33.Qg2 Bxe4 34.Qxe4 Qxa3+ 35.bxa3 Rxa3+ 36.Na2 Rxa2+ 37.Kxa2 Ra4+ 38.Kb2 c3+ 39.Kxc3 Rxe4 40.Rb7 Ng8 41.Rb4 Re3+ 42.Kc4 f5 43.Rb8 Nf6 44.Rb7 Ng8 45.Rg5 f4 (110.028.243) 1989
16/51 1:33 +1.52 32...Bf5 33.Qg2 Bxe4 34.Qxe4 Qxa3+ 35.bxa3 Rxa3+ 36.Na2 Rxa2+ 37.Kxa2 Ra4+ 38.Kb2 c3+ 39.Kxc3 Rxe4 40.Rb7 Ng8 41.Rb4 Re3+ 42.Kc4 f5 43.Rb8 Nf6 44.Rb7 Ng8 45.Rg5 f4 (187.687.863) 2014
17/53 3:06 +1.69 32...Bf5 33.Qg2 Bxe4 34.Qxe4 Qxa3+ 35.bxa3 Rxa3+ 36.Na2 Rxa2+ 37.Kxa2 Ra4+ 38.Kb2 c3+ 39.Kxc3 Rxe4 40.Rb7 Ng8 41.Rb4 Re3+ 42.Kc4 Re2 43.Rb8 Nh6 44.Rb7 Ng8 45.c3 e4 (382.037.837) 2047
18/55 6:26 +1.67 32...Bf5 33.Qg2 Bxe4 34.Qxe4 Qxa3+ 35.bxa3 Rxa3+ 36.Na2 Rxa2+ 37.Kxa2 Ra4+ 38.Kb2 c3+ 39.Kxc3 Rxe4 40.Rb7 Ng8 41.Rb4 Re3+ 42.Kc4 Re2 43.Rb8 Nh6 44.Rb7 Ng8 45.c3 Rd2 (808.723.412) 2090
19/57 12:21 +1.71 32...Bf5 33.Qg2 Bxe4 34.Qxe4 Qxa3+ 35.bxa3 Rxa3+ 36.Na2 Rxa2+ 37.Kxa2 Ra4+ 38.Kb2 c3+ 39.Kxc3 Rxe4 40.Rb7 Ng8 41.Rb4 Re3+ 42.Kc4 Rh3 43.Rb8 Nh6 44.Rb7 Ng8 45.Kd5 Rxh5 (1.555.656.176) 2097




[Event "Grand Slam Final"]
[Site "Bilbao ESP"]
[Date "2008.09.05"]
[Round "4"]
[White "Carlsen, M."]
[Black "Radjabov, T."]
[WhiteElo "2775"]
[BlackElo "2744"]
[ECO "B78"]
[Result "1-0"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3
Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rb8 11. Bb3
Na5 12. Kb1 b5 13. h4 Nc4 14. Bxc4 bxc4 15. Ka1 h5 16. Rb1
Qa5 17. Bh6 Bxh6 18. Qxh6 Rb6 19. g4 hxg4 20. Qe3 Rfb8
21. h5 g5 22. fxg4 Nxg4 23. Qd2 f6 24. Nf3 Ra6 25. Rhg1 Rb4
26. a3 Be6 27. e5 dxe5 28. Nxg5 Bf5 29. Nge4 Kh7 30. Qe2
Nh6 31. Rg3 Be6 32. Rg6 Nf5 33. Qg4 Nh4 34. Ng5+ fxg5
35. Qxg5 Nxg6 36. Qxg6+ Kh8 37. Rg1 1-0

[Uri Blass]

number of points is clearly unimportant

I believe that Carlsen can win it against rybka even after his "blunder"
that is only about winning the games more slowly.

The only significantl blunder is Radjabov's blunder

Uri

[M ANSARI]

On many occasions a human will chose the more "clear" win where you simplify into a won ending rather than calculate where complications favor him. With complications there is a larger chance of a missed tactical shot, so a human is much more likely to liquidate into a won ending. I don't see anything wrong with that and I don't consider that a blunder.

[Dirt]

On many occasions a human will chose the more "clear" win where you simplify into a won ending rather than calculate where complications favor him. With complications there is a larger chance of a missed tactical shot, so a human is much more likely to liquidate into a won ending. I don't see anything wrong with that and I don't consider that a blunder.

Sometimes, yes, but in this case I think Carlsen just missed the best move because of time trouble. The win was probably still there, but more difficult.

I'm not sure games at this time control should even be rated as classical games.