Hi,
In the following position could black save the day and how ?
[d]r1b2rk1/pp2ppbp/3q2p1/3p4/3P4/1Q2PN2/PP1RBPPP/2R3K1 b - - 0 14
The game:
[pgn][Event "Vienna"]
[Site "Vienna AUT"]
[Date "1922.11.15"]
[EventDate "1922.11.13"]
[Round "3"]
[Result "1-0"]
[White "Akiba Rubinstein"]
[Black "Efim Bogoljubov"]
[ECO "D10"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "59"]
1.d4 d5 2.c4 c6 3.e3 Nf6 4.Nc3 g6 5.Nf3 Bg7 6.Be2 O-O 7.O-O
Nbd7 8.cxd5 Nxd5 9.Nxd5 cxd5 10.Qb3 Nf6 11.Bd2 Ne4 12.Rfd1
Nxd2 13.Rxd2 Qd6 14.Rc1 b6 15.Rdc2 Bb7 16.Qa4 a6 17.Rc7 b5
18.Qa5 Rab8 19.R1c5 Rfd8 20.Ne5 Bf6 21.Nc6 e6 22.g3 Rdc8
23.Nxb8 Rxb8 24.Bxb5 Bd8 25.Be8 Qf8 26.Rxb7 Bxa5 27.Rxb8 Qd6
28.Rb7 Bb6 29.Rc6 Qb4 30.Bxf7+ 1-0[/pgn]
Rubinstein vs Bogoljubov 1922
Moderators: hgm, Rebel, chrisw
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Look
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Rubinstein vs Bogoljubov 1922
Farewell.
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zullil
- Posts: 6442
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Re: Rubinstein vs Bogoljubov 1922
According to Lc0, 14...Rb8 was best:
Code: Select all
HALTED Nodes: 16.4M, N/s: 54.4k, Time: 5m 1s
46.1% Rb8 Rdc2 a6 Rc5 Rd8 g3 Bf6 Bf1 Bg4 Bg2 b6 Rc6 Rdc8 Ne5 Bxe5 Rxc8+ Bxc8 dxe5 Qxe5 Bxd5 Kg7 f4 Qh5 Bxf7 Bb7 e4 Qe2 Bd5 Rc8 Rxc8 Qe1+ Kg2 Qe2+ Kg1 Qe1+ Kg2 Qe2+ Kh3 Qh5+ Kg2 Qe2+ (N: 16.0M, P: 14.59%)
41.9% a5 Rc5 Rd8 Rdc2 a4 Qb5 Bf6 a3 Kg7 h3 h5 Rc7 Bd7 Qxb7 Rab8 Qa7 Ra8 Qc5 (N: 73.0k, P: 9.10%)
39.8% b6 Rdc2 Bf5 Rc3 Rac8 Ba6 Rxc3 Qxc3 Be4 Ne5 h5 a3 Bxe5 dxe5 Qe6 f3 Bf5 Qd4 Qd7 h3 Rd8 g4 Be6 Kf2 (N: 69.8k, P: 13.15%)
42.7% Rd8 Rdc2 Rb8 Rc7 Bf6 h3 h5 R1c5 Kg7 a3 a5 Bb5 Bf5 Bd3 Bxd3 Qxd3 (N: 57.5k, P: 5.92%)
42.8% Bf6 Rdc2 Rb8 Rc5 Rd8 Rc7 Kg7 h3 h5 R1c5 a6 a4 a5 Bb5 Bf5 Qc3 (N: 22.0k, P: 2.15%)
32.6% Bf5 Qxb7 Rac8 Rxc8 Rxc8 Qxa7 Qb4 Qa6 Rc1+ Rd1 Rc2 b3 Qc3 h3 Qb2 Re1 Bf6 g4 Be4 (N: 18.8k, P: 7.62%)
41.8% a6 Rdc2 Rb8 Rc7 Bd7 g3 Rfc8 Rxc8+ Bxc8 Rc5 e6 Qc2 Bd7 h4 Bf6 h5 gxh5 (N: 15.7k, P: 2.02%)
41.6% h5 Rdc2 Rb8 Rc7 Bf6 R1c5 Rd8 h3 Kg7 a3 a6 a4 a5 Bb5 (N: 15.4k, P: 2.07%)
39.9% e6 Rdc2 Rb8 h4 Bd7 Bb5 Rfc8 Qa4 Rxc2 Rxc2 Bxb5 Qxb5 a6 Qa5 Bf6 g3 Bd8 Qa4 Kg7 Ne5 Bf6 (N: 14.2k, P: 2.64%)
25.6% Bd7 Qxb7 a5 Rc5 Rfb8 Qc7 Qxc7 Rxc7 Bf5 h3 e6 Ne5 Rc8 Rb7 Bxe5 dxe5 Rc1+ Kh2 h5 g4 (N: 11.4k, P: 7.01%)
36.9% Bg4 Qxb7 Rfb8 Qa6 Qxa6 Bxa6 Bxf3 gxf3 Rb6 Bd3 e6 Rc7 a5 a4 Bf8 Bb5 Bd6 Rd7 Rc8 Kg2 (N: 10.5k, P: 2.91%)
40.1% h6 Rdc2 Rb8 Rc7 Bf6 R1c5 Rd8 h3 Kg7 a4 h5 a5 b6 R5c6 (N: 10.4k, P: 1.87%)
39.4% Bh8 Rdc2 Rb8 Rc7 Bf6 h3 h5 a4 Rd8 a5 Kg7 a6 b5 (N: 8.8k, P: 1.76%)
38.4% Re8 Rdc2 Rd8 Rc7 Rb8 h3 Bf6 a4 h5 a5 Kg7 a6 b5 R1c6 (N: 7.0k, P: 1.61%)
37.1% Kh8 Rdc2 Bf6 Rc7 Kg7 R1c5 Rd8 Qc3 Bg4 Rxb7 Rdc8 h3 Bxf3 (N: 5.9k, P: 1.59%)
35.6% Bh6 Rdc2 Bg7 Rc7 Rb8 R1c5 Rd8 h3 Bf6 a4 h5 a5 Kg7 (N: 4.9k, P: 1.53%)
35.6% Qd8 Rdc2 Qd6 Rc7 Rb8 h3 Rd8 a4 Bf6 a5 h5 a6 b5 R1c6 (N: 4.8k, P: 1.49%)
36.9% Qb6 Qxd5 Be6 Qe4 Rac8 Rcd1 Bxa2 Qxe7 Bb3 Ra1 Rfe8 Qa3 a6 Bd1 Bd5 Qa5 Qd6 (N: 4.8k, P: 1.31%)
36.0% Qe6 Rdc2 Qd6 Rc7 Rb8 h3 Rd8 a4 Bf6 a5 h5 a6 b5 (N: 4.0k, P: 1.20%)
35.2% Qd7 Rdc2 Qd6 Rc7 Rb8 R1c5 Rd8 h3 Bf6 a4 h5 a5 Kg7 (N: 3.9k, P: 1.26%)
24.8% Be6 Qxb7 Rfc8 Rxc8+ Rxc8 Qxa7 Rc1+ Rd1 Rc2 Bd3 Rxb2 Rb1 Rxb1+ Bxb1 Qb4 Bd3 Bg4 Qa8+ Bf8 Qxd5 Bxf3 gxf3 (N: 2.7k, P: 1.72%)
32.4% f6 Rdc2 Rd8 Rc7 Bf8 h4 Rb8 h5 gxh5 Nh4 Bg4 Bxg4 (N: 2.5k, P: 1.04%)
17.3% Qb8 Qxd5 Be6 Qa5 Rc8 Rdc2 Rxc2 Rxc2 b6 Qa6 Qd8 h3 Rc8 Rxc8 Qxc8 (N: 1.7k, P: 1.43%)
18.0% b5 Qxb5 Bf5 Rc6 Qd7 Rc5 Qxb5 Bxb5 Rfc8 Ba6 Rxc5 dxc5 Rb8 (N: 1.3k, P: 1.08%)
14.7% Qf6 Qxd5 Qb6 Qc5 Qxc5 Rxc5 Be6 b3 Rfc8 Rdc2 Rxc5 Rxc5 Rc8 Rxc8+ Bxc8 Bc4 e6 Kf1 (N: 1.3k, P: 1.20%)
22.0% f5 g3 Bf6 Rdc2 g5 Rc7 Rb8 R1c5 Rd8 Qc2 Bd7 Bb5 (N: 1.2k, P: 0.88%)
9.9% e5 dxe5 Bxe5 Rxd5 Be6 Rxd6 Bxb3 Nxe5 Rac8 Rxc8 Rxc8 axb3 Rc5 (N: 803, P: 0.87%)
0.6% Qc6 Rxc6 Bh6 Rxc8 e6 Qxb7 Rfxc8 g4 Rc1+ Rd1 (N: 732, P: 1.00%)
7.9% g5 Nxg5 Bf5 Bd3 h6 Bxf5 hxg5 Qxb7 e6 Bd3 Rfb8 Qc7 (N: 684, P: 0.78%)
0.6% Bh3 gxh3 Rfe8 h4 Qd7 Kh1 Rad8 h5 Rf8 (N: 541, P: 0.74%)
0.3% Qf4 exf4 f6 Qxd5+ e6 Rxc8 Bh8 Qxe6+ (N: 515, P: 0.71%)
0.5% Qb4 Qxb4 Bf6 Rxc8 b6 Rxa8 Rd8 Rxd8+ Kg7 (N: 489, P: 0.67%)
0.2% Qc7 Rxc7 f6 Qxd5+ Kh8 Rxe7 Rb8 (N: 484, P: 0.67%)
0.1% Be5 dxe5 Qb8 h3 b6 h4 Kg7 h5 Bb7 (N: 428, P: 0.59%)
0.1% Qc5 Rxc5 f6 Rxc8 Bh8 Qxd5+ Kg7 Qxb7 (N: 419, P: 0.58%)
0.3% Qxh2+ Kxh2 Be5+ g3 Bb8 Rxc8 Rxc8 (N: 399, P: 0.55%)
0.1% Qe5 Nxe5 f6 Qxd5+ e6 Rxc8 Bh8 (N: 399, P: 0.55%)
0.1% Qg3 hxg3 e6 Rxc8 Be5 dxe5 h6 (N: 395, P: 0.55%)
0.2% Bxd4 Rxd4 a6 Qxd5 Qxd5 Rxd5 Be6 Rdc5 (N: 393, P: 0.54%)
0.1% Qa3 bxa3 Be6 Qxb7 Be5 dxe5 Rab8 Qxe7 Bh3 (N: 393, P: 0.54%)
0.1% Qa6 Bxa6 Bh8 Bxb7 Bh3 gxh3 Rae8 Bxd5 (N: 365, P: 0.50%)-
Look
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zullil
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Re: Rubinstein vs Bogoljubov 1922
Cfish-dev agrees that 14...Rb8 is best, and that White has a small advantage.
+0.08 14... Rb8 15. Ne1 Bf5 16. Nd3 Rfd8 17. g3 h5 18. h4 a6 19. Bf3 Bxd3 20. Qxd3 e6 21. Rdc2 Qb6 22. a3 Rd7 23. Qd2 Bf6 24. Bg2 Be7 25. Rc3 Bd6 26. Qc2 Qd8 27. Bf3 Qb6 28. Kg2 Qd8 29. Be2 Qb6 30. Bf1 Ra8 31. Kg1 Rad8 32. Bh3 Be7 33. Rb3 Qd6 34. Bf1 Kg7 35. Bd3 Rb8 36. Kg2 Bf6 37. Rc3 e5 38. dxe5 Qxe5 (depth 46, 0:44:39)
+0.12 14... a6 15. a3 Rb8 16. Ne5 Bxe5 17. dxe5 Qxe5 18. Qxd5 Qxd5 19. Rxd5 Be6 20. Rdc5 Rfd8 21. Kf1 b6 22. R5c2 a5 23. Ke1 f6 24. g4 Kf7 25. h3 Rh8 26. Rc6 Rhd8 27. h4 h6 28. b4 axb4 29. axb4 Bd5 30. Rc7 Rb7 31. Rxb7 Bxb7 32. Rc7 Bd5 33. Ra7 f5 34. f3 fxg4 35. fxg4 Rd6 36. Ra6 Be4 37. g5 hxg5 38. hxg5 Ke8 39. Bg4 Kd8 (depth 46, 0:44:39)
One more iteration:
+0.08 14... Rb8 15. Ne1 Bf5 16. Nd3 Rfd8 17. g3 h5 18. h4 a6 19. Bf3 e6 20. Rdc2 Bxd3 21. Qxd3 Qb6 22. a3 Rd7 23. Qd2 Bf6 24. Rc3 Kg7 25. Qd1 Qd6 26. Kg2 Be7 27. Qa4 Bf6 28. Qc2 Be7 29. Be2 Rdd8 30. Bd3 Rd7 31. Qb3 Bf6 32. Be2 Be7 33. Qa4 Bd8 34. b4 Rc7 35. Rc5 Rd7 36. Qb3 Qb6 37. a4 Be7 38. a5 (depth 47, 0:48:49)
+0.10 14... a6 15. Ne1 Rb8 16. f4 Bf5 17. Nf3 Be4 18. Ng5 Bf5 19. Bd3 f6 20. Nf3 Bd7 21. g3 Kh8 22. Bf1 Bc6 23. Bg2 Rbc8 24. Rdc2 e6 25. Qb6 Rfe8 26. a3 Qe7 27. Rc3 Ra8 28. Bh3 Kg8 29. Bf1 Qd7 30. Bg2 Rab8 31. Bh3 Qd6 32. Bf1 Ra8 33. Bg2 Rac8 34. Qb3 Qd7 35. Qc2 e5 36. dxe5 fxe5 37. fxe5 Bxe5 (depth 47, 0:48:49)
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Dann Corbit
- Posts: 12538
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Re: Rubinstein vs Bogoljubov 1922
Searching: r1b2rk1/pp2ppbp/3q2p1/3p4/3P4/1Q2PN2/PP1RBPPP/2R3K1 b - - 0 1
infinite: 0 time: 0 increment: 0 moves to go: 0
1 -0.56 00:00 6844 Rb8
2 -0.16 00:00 18831 Bd7 Rd3 Rac8 Rdd1
3 -0.62 00:00 33634 Bd7 Rdc2 Rab8
4 -0.28 00:00 48028 Bd7 Rc3 e6
5 -0.55 00:00 63420 Bd7 Rc5 Bc6 Rdc2 a5
6 -0.60 00:00 76481 Rb8 Rdc2 Bf5 Rc5 Be4 Rc7
7 -0.39 00:00 128283 Rb8 Rdc2 Bd7 h3 a6 Rc7 Rfc8
8 -0.32 00:00 177430 Rb8 Rdc2 Bd7 g3 Rfc8 Rxc8+ Rxc8 Rxc8+ Bxc8
9 -0.31 00:00 272084 Rb8 Qa3 Bf5 Qxd6 exd6 h3 Rbc8 Rdd1 Bc2 Re1 Be4 Kh2 a6
10 -0.28 00:00 420493 Rb8 Rdc2 Bd7 Rc5 e6 Bb5 Rbc8 Bxd7 Qxd7 Qc2 Rxc5 Qxc5
11 -0.56 00:00 497421 Rb8 Rdc2 Bd7 Rc5 e6 Bb5 b6 R5c2 Rfc8 Bxd7 Qxd7 g3 Rxc2 Qxc2
12 -0.53 00:00 651578 Rb8 Rdc2 Bd7 Rc5 e6 Bb5 Rfc8 Bxd7 Qxd7 Qc2 Rc6 Rxc6 bxc6 b3 Rc8
13 -0.55 00:01 3263K Rb8 Rdc2 Bf5 Rc7 a6 R1c5 Rfc8 Qc3 Rxc7 Rxc7 Bd7 Ne5 Bc6
14 -0.24 00:01 3336K Rb8 Rdc2 a6 Rc5 e6 Ne5 f6 Nd3 Bd7 Rc7 Bb5 R1c5 Bc6 Qb6 Rfc8 Rxc8+ Rxc8 Nb4
15 -0.24 00:01 4462K Rb8 Rc5 e6 Rdc2 Bd7 Bb5 Rfc8 Bxd7 Qxd7 Rxc8+ Rxc8 Rxc8+ Qxc8 g3 Bf6 a4 Be7 Qd1 Kg7 Kg2 h5 h4
16 -0.33 00:01 4826K Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 Ne1 Bd7 Nd3 Rfd8 Qe1 b6 Rc7 Rdc8 Rxc8+ Rxc8 Rxc8+ Bxc8 f4 Bd7 Qh4 a5
17 -0.36 00:01 5435K Rb8 Rc5 e6 Rdc2 a6 Rc7 Bd7 Ne5 Bc6 Nxc6 Qxc7 Nxb8 Qxb8 a4 Rc8 g3 a5 Kg2 Rc7 Rxc7 Qxc7
18 -0.20 00:01 6581K Rb8 Rdc2 a6 Rc5 e6 a4 Bd7 Qa2 Rfc8 b4 b6 Rxc8+ Rxc8 Rxc8+ Bxc8 b5 Qc7 g3 axb5 Bxb5 Bd7 Kg2
19 -0.28 00:01 7473K Rb8 Rdc2 a6 Rc5 e6 a4 Bd7 g3 Rfd8 Kg2 f6 Qa2 Bf8 a5 b6 axb6 Qxb6 R5c2 Qb4 Qxa6 Bd6
20 -0.32 00:02 9114K Rb8 Rdc2 a6 a4 Bd7 a5 Rfc8 Rxc8+ Rxc8 Rxc8+ Bxc8 h3 Qc6 Qb6 Qxb6 axb6 h5 Kh2 Bf5 Kg3 Be4 Ne5 Bxe5+ dxe5
21 -0.25 00:02 11394K Rb8 Rdc2 a6 Rc5 e6 a3 Bd7 g3 Rfd8 R5c2 Bc6 Bf1 Bd7 Rc3 Rdc8 Rxc8+ Rxc8 Rxc8+ Bxc8 Qc3 Bd7 Bg2 f6 b4 Bf8 Qd2
22 -0.34 00:04 27500K a6 Rdc2 Bd7 Qxb7 Rfb8 Qc7 Qxc7 Rxc7 Rxb2 Bd1 Be6 Ng5 Bf5 Bb3 Rd8 Nf3 Bf6 Ne5 Bxe5 dxe5 Rd7 Rxd7 Bxd7 Bxd5 Bf5 Bf3 Rxa2 Bd5
23 -0.32 00:05 42477K a6 Rc5 Rd8 Rdc2 Rb8 Rc1 e6 g3 Bd7 h4 Rdc8 Kg2 Rxc5 Rxc5 Be8 a3 Qd8 Qc2 Bf8 Rc3 Bd6 Qd1 f6 Qh1 Kg7
24 -0.31 00:06 47255K a6 Rc5 Rd8 Rdc2 Rb8 a3 e6 h4 Bd7 g3 Bc6 Rc1 Rbc8 h5 gxh5 Qc2 e5 dxe5 Bxe5 Nxe5 Qxe5 Bxa6 bxa6 Rxc6 Rxc6 Qxc6 Qxb2
25 -0.26 00:11 95000K a6 Rdc2 Bd7 Rc5 e6 g3 Bc6 h4 Rfc8 h5 gxh5 Kg2 Qe7 Qd1 Qf6 a3 Rc7 Qh1 Qf5 Qh4 Bf6 Qf4 Qxf4 gxf4 Be7 R5c3 h4 Ne5 Rb8 Nxc6 bxc6
26 -0.30 00:13 110979K a6 Rdc2 Be6 a4 Rab8 Rc5 Rfc8 h3 Rxc5 Rxc5 b6 Rc2 a5 Bd3 Rc8 Rxc8+ Bxc8 g4 f6 Kg2 Bd7 Be2 e5 dxe5 fxe5 Ng5 Be6 Nxe6 Qxe6 Qc2
27 -0.26 00:17 153509K a6 Rdc2 Be6 a4 Rab8 Rc5 Rfc8 h3 Bd7 Rxc8+ Rxc8 Rxc8+ Bxc8 Qc3 Bd7 Ne5 f6 Nd3 e5 a5 exd4 exd4 Kf7 g4 Bb5 Qc8 Qe7 Bf3 Bc6 Kg2
28 -0.26 00:22 200419K a6 Rdc2 Be6 Ne1 Rfc8 Nd3 Rxc2 Rxc2 Rb8 g4 Bd7 Qb4 Qxb4 Nxb4 e6 Rc7 Be8 Nd3 Bf8 Nc5 Bc6 Nd7 Bd6 Rxc6 bxc6 Nxb8 Bxb8 Bxa6 e5 Be2 exd4 exd4
29 -0.13 00:35 318722K a6 Rdc2 Be6 Rc5 Rfc8 h3 Rab8 R1c3 Rxc5 Rxc5 Bf6 Ne1 b6 Rc3 Bd7 Nd3 a5 f4 Bf5 Ne5 Rc8 Rxc8+ Bxc8 Qb5 Bxe5 fxe5 Qd8 Qc6 Kg7 Qa8 Qc7 Qxd5 Qc1+ Kf2 Qxb2 Qd8
30 -0.18 00:48 434725K a6 Rdc2 Rb8 Rc5 e6 a3 Bd7 Qb4 Rfd8 h4 Bf8 Qb3 Bg7 Qc3 f6 Qb3 Rdc8 Rxc8+ Rxc8 Rxc8+ Bxc8 Ne1 Kf7 Nd3 b6 g3 a5 a4 Bd7 Nf4 Qb4 Qc2 Qxa4
31 -0.24 01:01 561413K Rb8 Rdc2 a6 Rc5 e6 a3 Bd7 Qb4 Rfd8 g3 Bf8 Ne5 f6 Nd3 b6 R5c2 a5 Qb3 Rdc8 Nf4 Rxc2 Rxc2 b5 Nd3 a4 Qc3 Rc8 Nc5 e5 Qd2 Be8 Rc1 Rc7
32 -0.17 01:06 608305K Rb8 Rdc2 a6 Rc5 e6 a3 Bd7 Qb4 Rfd8 h4 Bf8 Ne5 Rdc8 Nd3 a5 Qd2 b6 R5c3 Bg7 f4 Rxc3 Rxc3 Be8 g3 Qd8 Kg2 Bb5 Ne5 Bxe2 Qxe2 Rc8 h5 Rxc3 bxc3
33 -0.28 01:14 687375K Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 Ne1 Bd7 Nd3 Rfc8 Qb4 Bf8 Rxc8 Bxc8 Qb3 b6 a3 Bb7 Nb4 Ra8 g3 Bg7 Na2 Qd8 h4 a5 Nc3 Rc8 Kg2 f5 Rh1 e5 Nb5 exd4
34 -0.26 01:35 877140K Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 Ne1 Bd7 Nd3 Rfc8 Qb4 Bf8 Rxc8 Bxc8 Qb3 b6 a3 Bd7 Nf4 Rc8 Rxc8 Bxc8 h4 Qc6 a4 Bb7 g3 a5 Bf3 g5 hxg5 fxg5 Nd3 Ba6 Be2 Bc4 Qc2 Qd7
35 -0.26 02:16 1266M Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 Ne1 Bd7 Nd3 Rfc8 Qb4 Bf8 Rxc8 Bxc8 Qb3 b6 a3 Bb7 Nb4 a5 Na2 Kg7 Nc3 Rc8 h4 Be7 Rd1 Qc7 g3 Qd8 Kg2 h5 Bd3 e5 Be2 exd4
36 -0.20 04:08 2325M Rb8 Rdc2 a6 Rc5 e6 Qc3 Rd8 h4 Bd7 Ne5 Bf8 Qc2 Qb6 Rc3 Bd6 Nxd7 Rxd7 g3 h5 a3 Kg7 Bf3 Rbd8 Bg2 Rh8 Qd2 Rb8 Bf3 Rc7 Rxc7 Bxc7 Be2 Rh8 Qc3 Bd6 Bd3 Qd8
37 -0.19 04:15 2394M Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 Ne1 Bd7 Nd3 Rfc8 Qb3 b6 Rxc8+ Rxc8 Rxc8+ Bxc8 Nf4 Qc6 a4 a5 h4 Bb7 Bg4 Bc8 g3 Kf7 Kg2 Qd6 Bf3 Qb4 Bxd5 exd5 Qxd5+ Ke8 Qa8 Qc4 Nd5
38 -0.13 04:32 2548M Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 Ne1 Bd7 Nd3 Rfc8 Qb4 Bc6 h4 Bf8 Qd2 Qd8 R5c2 Ba4 Rc3 Rxc3 Qxc3 Bd7 Nc5 Rc8 Qd2 Bxc5 dxc5 Kg7 b4 Bb5 Bxb5 axb5 g3 Qd7 Rd1 Ra8
39 -0.22 05:00 2806M Rb8 Rdc2 a6 Rc5 e6 Qc3 Rd8 Ne5 Bd7 f4 Bf8 Qc2 Be8 a3 f6 Nd3 Bc6 g3 Bg7 Qd2 Bb5 Nb4 Bd7 Kg2 Rbc8 Rxc8 Rxc8 Rxc8+ Bxc8 Nd3 b6 h4 Qd7 g4 a5 Kg3 Ba6 g5 Qc6 Kf2 Bxd3 Qxd3 e5 fxe5 fxe5 dxe5 Bxe5 Bf3
Nodes: 2806947157
Nodes/second: 9356303
Best move: Rb8
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
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Dann Corbit
- Posts: 12538
- Joined: Wed Mar 08, 2006 8:57 pm
- Location: Redmond, WA USA
Re: Rubinstein vs Bogoljubov 1922
Ran it again, a bit longer. It looks like a6 and Rb8 are permutations.
Code: Select all
Searching: r1b2rk1/pp2ppbp/3q2p1/3p4/3P4/1Q2PN2/PP1RBPPP/2R3K1 b - - 0 1
infinite: 0 time: 0 increment: 0 moves to go: 0
1 -0.44 00:00 4564 Rb8
2 -0.43 00:00 795972 a5 Qa3
3 -0.43 00:00 820890 Rb8 Rdc2 Bd7
4 -0.42 00:00 837908 Rb8 Rdc2 Bd7 Rc5
5 -0.59 00:00 869576 Bf5 Qxb7 Rab8 Qa6 Qxa6
6 -0.43 00:00 887849 Rb8 Rdc2 a6 Rc5 Rd8
7 -0.40 00:00 915697 a5 Bd3 a4 Qc2 a3 bxa3 Rxa3
8 -0.42 00:00 937968 a5 a4 Bf5 Bd3 Bd7 Rdc2 Bc6 Rc5 Rfb8
9 -0.45 00:00 965717 Rb8 Rdc2 a6 Rc5 Rd8 R1c2 Be6 Qa3 Bf5 Rc1 Bd7
10 -0.20 00:00 1014K Rb8 Rc5 Rd8 Rdc2 Bf5 Rc1 a6 Qd1 Rdc8 h3 Rxc5 Rxc5
11 -0.42 00:00 1122K a5 Rc5 Rd8 Rdc2 Bf5 R2c3 a4 Qa3 b6 Rc7 Qxa3 bxa3 Rac8 Bb5 Rxc7 Rxc7 Rc8 Rxc8+ Bxc8 Bxa4 Ba6 Bd1 Bd3 a4 Be4 Be2
12 -0.37 00:00 1285K a5 Rc5 Rd8 Rdc2 a4 Qb5 a3 Qb3 axb2 Bd3 Bd7 Qxb2 Bc6 R2c3
13 -0.23 00:00 1518K a5 Rc5 Rd8 Rdc2 a4 Qb5 a3 bxa3 b6 Rc7 Qxa3 Qxb6 Bf5 Rb2 Rdc8
14 -0.38 00:00 2937K a5 Rc5 Rd8 Rdc2 a4 Qb5 a3 b3 Rb8 Rc7 Bf5 Rc1 Rd7 Rc8+ Rd8 Rxd8+ Qxd8 Qc5
15 -0.32 00:00 3404K Rb8 Rdc2 a6 Rc5 Rd8 Qc3 Be6 a3 Rbc8 b4 h5 Ne5 b6 Rc6 Rxc6 Nxc6 Rc8 Bxa6
16 -0.32 00:00 5158K Rb8 Rdc2 a6 Rc5 Rd8 Qc3 Bf5 b4 f6 h3 e5 Qb3 Rbc8 Rxc8 Rxc8 Rc5 e4 Nd2
17 -0.32 00:00 5788K Rb8 Rdc2 a6 Rc5 Rd8 Qc3 Be6 b4 Rdc8 a3 b6 Rxc8+ Rxc8 Qb2 Rxc1+ Qxc1 a5 bxa5 bxa5 Qc5 a4 Qxd6 exd6 g3 Bh3 Nd2
18 -0.28 00:00 7195K Rb8 Rdc2 a6 Rc5 Rd8 Qc3 Be6 b4 Rdc8 Qb2 h5 h3 b6 Rxc8+ Rxc8 Rxc8+ Bxc8 Qc3 Qd8 Qc6 b5 Kh2 Qd7 Qb6 Bb7 a3 Bc8
19 -0.26 00:01 9171K Rb8 Rdc2 a6 Rc5 e6 Qc2 Bd7 b4 Rfc8 Qb2 f6 h3 Rc6 a3 Rbc8 a4 Bf8 a5 R6c7 Rxc7 Rxc7 Rxc7 Qxc7
20 -0.26 00:01 10938K Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 a3 Bd7 Ne1 e5 Nd3 b6 Rc7 Rfc8 Qb4 Qe6 Qd2 Rxc7 Rxc7 Rc8 Rxc8+ Bxc8 dxe5 fxe5 Nb4 d4 Nxa6 Bxa6 Bxa6
21 -0.22 00:01 13839K Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 Ne1 Bd7 a3 Rbc8 Qb3 Rxc5 Rxc5 Bc6 Nd3 Rc8 Rc1 Rc7 Bf3 Bb5 Rxc7 Qxc7 Nc5
22 -0.24 00:02 17154K Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 Ne1 Rd8 a3 Bd7 Qd2 Rdc8 b4 Bc6 a4 Bf8 b5 axb5 axb5 Bd7 Nd3 e5 Rxc8
23 -0.30 00:03 30148K Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 a3 Bd7 b4 Rfc8 Qb2 Rd8 Qd2 Bh6 Ne1 Ba4 Qb2 e5 dxe5 fxe5 Nf3 Bg7 e4 Bc6 Rd1
24 -0.26 00:03 35131K a6 Rdc2 Rb8 Rc5 e6 a3 Bd7 Qb4 Rfd8 Qd2 f6 b4 Rbc8 Ne1 Bc6 b5 axb5 Bxb5 Bd7 Qb2 Bf8 Nd3 Bxb5 Qxb5 Rxc5 dxc5 Qd7 Rb1 Qxb5 Rxb5 d4
25 -0.22 00:04 42163K a6 Rdc2 Rb8 Rc5 e6 Qc3 f6 Ne1 Bd7 Nd3 Rfd8 a3 Bf8 Qd2 b6 Rc7 Rdc8 Rxc8 Rxc8 Rxc8 Bxc8 Qc3 Bb7 g3 Bg7 Qb4 Qxb4 axb4 Bc6
26 -0.13 00:05 55413K a6 Rdc2 Rb8 Rc5 e6 a3 Bd7 Qc3 f6 b4 Rbc8 Qb2 Rfd8 h4 Bc6 a4 e5 dxe5 fxe5 e4 b6 R5c2 Bb7 Rxc8 Rxc8 Rxc8+ Bxc8 Qb3 Bb7 exd5 b5 axb5 axb5 Bxb5 Bxd5 Qc3
27 -0.20 00:07 74222K a6 Rdc2 Rb8 Rc5 Rd8 a3 e6 Qc3 f6 Ne1 Bd7 Nd3 Bf8 Qb3 b6 R5c3 Rdc8 Nf4 Rxc3 Rxc3 Bg7 g3 b5 Nd3 e5 Qb4 Bf8 Qxd6 Bxd6
28 -0.28 00:13 125617K a6 Rdc2 Bd7 Rc5 e6 a3 Rab8 h4 Rfc8 Bd3 Qf8 g3 Qe8 h5 Qd8 hxg6 hxg6 Kg2 Rc6 Qd1 Rxc5 Rxc5 Rc8 Qc1 Rxc5 Qxc5 Bf8 Qc1 Bg7 b4 Be8 Qd1 Kf8 Qc2 Kg8
29 -0.27 00:33 307601K b6 Rdc2 Bf5 Rc3 a6 h3 Rfc8 Qa4 Rxc3 Rxc3 Bd7 Qc2 Ra7 Qb3 b5 Rc1 Ra8 Rc5 Rc8 Qxd5 Qxd5 Rxd5 Be6 Rc5 Rxc5 dxc5 Bxb2 c6 Bxa2 Nd4 Bxd4 exd4 Be6 c7 Kg7
30 -0.29 00:41 385878K b6 Rdc2 Bf5 Rc3 a6 h3 Rfc8 Rxc8+ Bxc8 Ne5 Bb7 f4 e6 Rc3 Qd8 Qc2 Rc8 Nf3 a5 Kf2 Bf6 Rxc8 Bxc8 Bb5 h6 Qc6 Kg7 g3 Be7 a3 Bd6 h4 h5 Qe8 Qxe8
31 -0.27 00:52 488602K a6 Rdc2 Be6 Ng5 Bd7 Qxb7 Bf6 h4 h6 Nf3 Rfb8 Qc7 Qxc7 Rxc7 Rxb2 Rxd7 Rxe2 a4 Ra2 Rxd5 Rb8 Ra5 Rbb2 Rf1 Rb6 g3 e6 Ne5 Be7 Nd7 Rc6 Nc5 Bxc5 Rxc5 Rxc5 dxc5 Rc2 Rb1 a5 Rb6
32 -0.32 01:12 679287K a6 Rdc2 Rb8 Rc5 e6 g3 Bd7 R1c3 Rfd8 h4 Rdc8 Rxc8+ Bxc8 h5 gxh5 Qd1 Bd7 Kg2 Qb6 b3 Be8 Nh4 Qd8 Bxh5 Rc8 Rxc8 Qxc8 Nf3 Qc3 Ng5 e5 Nf3 e4 Ne5 Bxe5 dxe5
33 -0.23 01:38 913265K Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 Ne1 Bd7 Nd3 Rfd8 a3 Bf8 Qb3 b6 R5c2 Rbc8 Nf4 Rxc2 Rxc2 Rb8 h4 Bh6 g3 b5 Rc5 b4 h5 bxa3 Qxa3 Bxf4 gxf4 Qb6 hxg6
34 -0.22 01:56 1088M Rb8 Rdc2 a6 Rc5 e6 Qc3 Rd8 Ne5 f6 Nd3 Bd7 a3 Bf8 Qb3 b6 R5c2 Rdc8 Nf4 a5 h4 Rxc2 Rxc2 b5 Nd3 a4 Qc3 Rc8 Qd2 Rxc2 Qxc2 Be7 h5 e5 Nb4 gxh5 Bxh5
35 -0.22 02:04 1158M Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 Ne1 Bd7 Nd3 Rfc8 Qb4 Rd8 a3 Bf8 Qb3 b6 R5c2 Rdc8 Nf4 a5 Bb5 Rxc2 Rxc2 Rc8 Rxc8 Bxc8 g3 Bb7 Qc3 e5 Nd3 Bg7 Kg2 Kf7 b4 e4 Nf4 axb4 axb4
36 -0.18 02:14 1253M Rb8 Rdc2 a6 Rc5 e6 Qc3 f6 Ne1 Bd7 Nd3 Rfc8 Qb4 Rd8 a3 Bf8 Qb3 b6 R5c3 Rdc8 Nf4 Rxc3 Rxc3 b5 Nd3 a5 Nc5 Be8 Rc1 e5 Qd1 e4 b4 a4 Qd2 f5 f4 Be7 g3 Rc8 Kg2 Qf6 h4
37 -0.21 03:10 1784M a6 Rdc2 Rb8 Rc5 e6 Qc3 f6 Ne1 Bd7 Nd3 Rfc8 Qb4 Bc6 Qb3 Bf8 h4 Qd8 R5c3 Bb5 Nf4 Rxc3 Rxc3 Bxe2 Nxe2 Qd7 Qc2 Bd6 Nf4 Kf7 g3 Kg7 Kg2 a5 a4 b5 axb5 Rxb5 Nd3 e5 Rc6 e4 Nf4 Bxf4 exf4
38 -0.20 03:26 1929M a6 Rdc2 Rb8 Rc5 e6 Qc3 f6 Ne1 Bd7 Qb3 Rfc8 R5c2 Kf7 g3 Rxc2 Rxc2 Bf8 a3 Bc6 Nd3 Rc8 Nc5 Qc7 Rc3 h5 Qc2 Bxc5 Rxc5 h4 b4 hxg3 hxg3 Qd7 b5 axb5 Bxb5 e5 a4 Qe6 Qc3 exd4 exd4 Qg4 Bxc6 bxc6 Rxc6
39 -0.14 04:14 2382M a6 Rdc2 Rb8 Rc5 e6 Qc3 f6 Ne1 Bd7 Nd3 Rfc8 Qb4 Bc6 a3 Bf8 Qd2 b6 R5c3 a5 Nf4 Bd7 h4 Rxc3 Rxc3 Bh6 g3 Rc8 Rxc8+ Bxc8 Kg2 Bd7 Qc2 Kf7 h5 Bxf4 gxf4 e5 fxe5 fxe5 dxe5 Qxe5
40 -0.13 05:40 3189M a6 Rdc2 Rb8 Rc5 e6 Qc3 f6 Ne1 Bd7 Qb3 Rfc8 Nd3 b6 Rxc8+ Rxc8 Rxc8+ Bxc8 g3 Bf8 a4 Qc6 Kg2 Bd6 Nb4 Qa8 h4 a5 Nd3 Qc6 Nf4 Qc7 Bd3 Bd7 Bb5 Bxf4 gxf4 Bxb5 Qxb5 Kf7 Qa6 Qb8 Kf3 h6 Qd3 f5 Qb5 Qc7
41 -0.20 09:10 5154M a6 Rdc2 Rb8 Rc5 e6 Qc3 f6 Qb3 Bd7 g3 Rfc8 Ne1 Rxc5 Rxc5 Bf8 h4 Bc6 Nd3 Bb5 Nf4 Bc6 Bf1 Kg7 Bh3 Re8 Nd3 Qd7 Rc1 Bd6 Nc5 Bxc5 Rxc5 h6 Rc1 Rc8 Qc2 g5 Qd1 Qf7 Bg2 f5 Qb3 gxh4 gxh4 Qh5
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.