Author: Dann Corbit
Date: 12:41:16 11/27/01
Go up one level in this thread
On November 27, 2001 at 14:14:00, Jonas Cohonas wrote:
>Comments from kasparovchess.com:
>[snip]
>
>We have brief comments from Garry Kasparov on the game. "I always thought that
>the results under this time control are unpredictable. Anand’s big mistake was
>not to play enough practice games at this time control. It’s as if a long
>distance runner tried to go 100 meters without any preparation."
>
>[snip]
Some minor annotations (?,!) added...
>[Site "www.KasparovChess.com"]
>[Date "2001.11.27"]
>[Round "1.1"]
>[White "Anand, Viswanathan"]
>[Black "Touzane, Olivier"]
>[Result "0-1"]
>[ECO "C42"]
>[WhiteElo "2797"]
>[BlackElo "2382"]
>[PlyCount "78"]
>
>1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c4
>Nf6 9. Nc3 Be6 10. cxd5 Nxd5 11. a3 O-O 12. Re1 Bf6 13. Be4 h6 14. Bc2 Nxc3 15.
>bxc3 Bc4 16. Nd2 Bd5 17. Rb1 Bg5 18. c4 Bxd2 19. cxd5 Bxe1 20. dxc6 Ba5 21. cxb7!
>Rb8 22. Qd3 g6? 23. Bxh6 Re8 24. Qf3 Re6 25. Bb3 Rf6 26. Qg4? Rb6! 27. Bg5 Qe8 28.
>Qf3 R8xb7 29. h4 Qd7 30. g4? Rxb3 31. Rxb3 Rxb3 32. Qxb3 Qxg4+ 33. Kf1 Qxd4 34.
>Be3 Qa1+ 35. Kg2 Bb6 36. Bxb6 axb6 37. Qg3 Qc1 38. h5 Qc6+ 39. Kf1 Qh1+ 0-1
Yet another reason to hold blitz in derision.
Here are a few pivotal positions analyzed:
[D]r2q1rk1/ppp2pp1/2P4p/b7/3P4/P7/2B2PPP/1RBQ2K1 w - - bm cxb7;
black ( 1): hash 300M
hash size wanted 300000000
Stored 8 learned positions into hash table
entries 24999999 size 299999988 size_wanted 300000000 tts3 8333332
black ( 1): st 180
black ( 1): setboard r2q1rk1/ppp2pp1/2P4p/b7/3P4/P7/2B2PPP/1RBQ2K1 w - - bm
cxb7;
Stored 8 learned positions into hash table
white ( 1): go
usetime = 179.00, mintime = 179.00 maxtime = 179.00 tl 179.00 ml 0
3 0.002 0.65 1t 1.Rxb7 {-70}
45 0.008 0.65 1. 1.Rxb7 {-70}
93 0.014 0.38 2t 1.Rxb7 Qd5 {-70}
129 0.019 0.41 2t+ 1.cxb7 Rb8 {-70}
160 0.025 0.41 2t 1.cxb7 Rb8 {-70}
742 0.032 0.41 2. 1.cxb7 Rb8 {-70}
1012 0.038 0.67 3t 1.cxb7 Rb8 2.Qh5 {-70}
3279 0.046 0.67 3. 1.cxb7 Rb8 2.Qh5 {-70}
4438 0.051 0.56 4t 1.cxb7 Rb8 2.Qh5 c6 {-70}
10872 0.068 0.56 4. 1.cxb7 Rb8 2.Qh5 c6 {-70}
16417 0.086 0.48 5t 1.cxb7 Rb8 2.Qg4 Qd6 3.Qh5 {-70}
38991 0.135 0.49 5t+ 1.Qd3 Re8 2.Qh7+ Kf8 3.Qh8+ Ke7 4.Qxg7 Bb6 {-70}
41940 0.145 0.64 5t 1.Qd3 Re8 2.Qh7+ Kf8 3.Qh8+ Ke7 4.Qxg7 Rg8 {-70}
49682 0.160 0.64 5. 1.Qd3 Re8 2.Qh7+ Kf8 3.Qh8+ Ke7 4.Qxg7 Rg8 {-70}
86063 0.256 0.80 6t 1.Qd3 f5 2.cxb7 Rb8 3.Qc4+ Kh8 4.Qc5 Bb6 {-70}
126702 0.330 0.80 6. 1.Qd3 f5 2.cxb7 Rb8 3.Qc4+ Kh8 4.Qc5 Bb6 {-70}
208119 0.531 0.84 7t 1.Qd3 f5 2.cxb7 Rb8 3.Rb5 Bb6 4.Bb3+ Kh8 5.Bd5
{-70}
386537 0.866 0.84 7. 1.Qd3 f5 2.cxb7 Rb8 3.Rb5 Bb6 4.Bb3+ Kh8 5.Bd5
{-70}
805294 1.940 0.71 8t 1.Qd3 f5 2.Qc4+ Kh8 3.Rxb7 Qh4 4.Qd5 Be1 5.Be3
{-70}
1294146 2.900 0.71 8. 1.Qd3 f5 2.Qc4+ Kh8 3.Rxb7 Qh4 4.Qd5 Be1 5.Be3
{-70}
3392404 8.025 0.55 9t 1.Qd3 f5 2.Rxb7 Qe8 3.Qc4+ Kh7 4.Be3 Qe7 5.Qa6
Bb6 {-70}
7562420 17.665 0.56 9t+ 1.Qh5 b6 2.Bxh6 gxh6 3.Qxh6 f5 4.Bb3+ Qd5
9201215 21.601 1.11 9++ 1.Qh5 b6 2.Bxh6 gxh6 3.Qxh6 f5 4.Bb3+ Rf7
5.Qg6+ Kf8 6.Bxf7 Qd7 7.cxd7 Ke7 {1161}
11571878 27.679 1.46 9t 1.Qh5 b6 2.Bxh6 Re8 3.Bg5 g6 4.Bxg6 Qd5 5.Qh7+
Kf8H {10}
12249460 29.400 1.46 9. 1.Qh5 b6 2.Bxh6 Re8 3.Bg5 g6 4.Bxg6 Qd5 5.Qh7+
Kf8 {10}
26113434 1:04.2 1.74 10t 1.Qh5 Re8 2.Bxh6 gxh6 3.cxb7 Qg5 4.bxa8=Q Rxa8
5.Qf3 Rd8 6.Qe4 Qd2 7.Qh7+ Kf8 8.Rb3H {80}
30912086 1:16.1 1.74 10. 1.Qh5 Re8 2.Bxh6 gxh6 3.cxb7 Qg5 4.bxa8=Q Rxa8
5.Qf3 Rd8 6.Qe4 Qd2 7.Qh7+ Kf8 8.Rb3 {80}
54444105 2:14.8 1.67 11t 1.Qh5 Re8 2.Bxh6 gxh6 3.cxb7 Qg5 4.bxa8=Q Rxa8
5.Qf3 Re8 6.Qc6 Kf8 7.Be4 Bd2 {80}
64622509 2:40.9 1.68 11t+ 1.cxb7 Rb8 2.Qh5 c6 3.Bxh6 gxh6 4.Qxh6 Rxb7
5.Rxb7 Qf6 6.Qxf6 Bb6 {1161}
66010682 2:44.6 1.70 11t 1.cxb7 Rb8 2.Qh5 f5 3.Bxh6 Qe8 4.Qg5 Qd7 5.Rb5
Bd2 6.Bb3+ Kh7H {10}
71965890 2:59.0 1.70 11u. 1.cxb7 Rb8 2.Qh5 f5 3.Bxh6 Qe8 4.Qg5 Qd7 5.Rb5
Bd2 6.Bb3+ Kh7 {10}
71965890 Nodes, 32.41% Leavenodes, 402064 Nodes/sec
48534537 eval, 41.74% score, 285695861 genmoves, 11.77% captures le 697/205
ext: pawn 225040, rcp 165199, chk 2002782, repchk 390012, null 31205, prune
4377538
htable: 54091113 store, 0 rejected, 70382976 probe, 32.5% f/p, 42.3% f/s
entries 24999999 age 1 renew 0
egtb probes 0, found 0 max_depth 39
white ( 1): cxb7
Anand should have been in the cat-bird seat here (or so it appears).
Yace likes f5 better than g6 (the move that was actually played here):
[D]1r1q1rk1/pPp2pp1/7p/b7/3P4/P2Q4/2B2PPP/1RB3K1 b - - am g6;
black ( 1): setboard 1r1q1rk1/pPp2pp1/7p/b7/3P4/P2Q4/2B2PPP/1RB3K1 b - - am g6;
Stored 8 learned positions into hash table
black ( 1): go
usetime = 179.00, mintime = 179.00 maxtime = 179.00 tl 179.00 ml 0
5 0.001 -4.68 1t 1...Rxb7 2.Rxb7 {-350}
10 0.001 -0.23 1t 1...Qd5 {70}
35 0.001 -0.23 1. 1...Qd5 {70}
181 0.002 -Mat01 2-- 1...Qd5 2.Qh7# {70}
223 0.002 -Mat01 2t 1...Qd5 2.Qh7# {70}
276 0.002 -Mat02 2t+ 1...Re8 2.Qh7+ Kf8 3.Bxh6 {-10}
331 0.003 -0.42 2t 1...Re8 2.Qh7+ Kf8 {70}
490 0.004 -0.42 2. 1...Re8 2.Qh7+ Kf8 {70}
654 0.004 -1.57 3-- 1...Re8 2.Qh7+ Kf8 3.Qh8+ Ke7 4.Qxg7 {-10}
753 0.005 -1.57 3t 1...Re8 2.Qh7+ Kf8H 3.Qh8+H Ke7H 4.Qxg7H {-10}
974 0.006 -1.56 3t+ 1...g6 2.Rb3 {70}
1741 0.008 -1.46 3t 1...g6 2.Qa6 Qd5 {70}
2371 0.010 -1.45 3t+ 1...f5 2.Qa6 Qd5 3.Qxh6 {-10}
3344 0.013 -0.79 3t 1...f5 2.Qc4+ Kh7 3.Bf4 {70}
3438 0.014 -0.79 3. 1...f5 2.Qc4+ Kh7 3.Bf4 {70}
8153 0.026 -0.80 4t 1...f5 2.Qc4+ Kh8 3.Qc5 Bb6 {70}
8367 0.027 -0.80 4. 1...f5 2.Qc4+ Kh8 3.Qc5 Bb6 {70}
24282 0.068 -0.84 5t 1...f5 2.Rb5 Bb6 3.Bb3+ Kh8 4.Bd5 {70}
26751 0.075 -0.84 5. 1...f5 2.Rb5 Bb6 3.Bb3+ Kh8 4.Bd5 {70}
121232 0.337 -0.62 6t 1...f5 2.Rb5 Bb6 3.Bb3+ Kh8 4.Bd5 Qf6 {70}
131145 0.363 -0.62 6. 1...f5 2.Rb5 Bb6 3.Bb3+ Kh8 4.Bd5 Qf6 {70}
636217 1.670 -0.50 7t 1...f5 2.Rb5 Bb6 3.Qc4+ Kh8 4.Rd5 Qh4 5.Qb4 {70}
666424 1.746 -0.50 7. 1...f5 2.Rb5 Bb6 3.Qc4+ Kh8 4.Rd5 Qh4 5.Qb4 {70}
1660558 4.250 -0.69 8t 1...f5 2.Qc4+ Kh8 3.Bf4 Bb6 4.Be5 Qh4 5.Qd5 Kh7
{70}
1796948 4.574 -0.69 8. 1...f5 2.Qc4+ Kh8 3.Bf4 Bb6 4.Be5 Qh4 5.Qd5 Kh7
{70}
7229843 18.729 -0.65 9t 1...f5 2.Qg3 Rf6 3.Bf4 Rb6 4.Rxb6 Bxb6 5.Be5
Qe7 6.Qf3 {70}
7509881 19.409 -0.65 9. 1...f5 2.Qg3 Rf6 3.Bf4 Rb6 4.Rxb6 Bxb6 5.Be5
Qe7 6.Qf3 {70}
19659968 51.587 -0.69 10t 1...f5 2.Qc4+ Kh7 3.Rb5 Bb6 4.Rxf5 Rxf5
5.Bxf5+H Kh8H 6.Be4H Qxd4H 7.Qxd4H Bxd4H {70}
20488706 53.835 -0.69 10. 1...f5 2.Qc4+ Kh7 3.Rb5 Bb6 4.Rxf5 Rxf5 5.Bxf5+
Kh8 6.Be4 Qxd4 7.Qxd4 Bxd4 {70}
45198932 2:02.1 -0.68 11t 1...f5 2.Qc4+ Kh8 3.Bf4 Bb6 4.Be5 Qd7 5.Ba4 Qe7
6.Qc6 Kh7 7.Rb3 {70}
48397817 2:10.7 -0.68 11. 1...f5 2.Qc4+ Kh8 3.Bf4 Bb6 4.Be5 Qd7 5.Ba4 Qe7
6.Qc6 Kh7 7.Rb3 {70}
65648934 2:59.0 -0.68 11f. 1...f5 2.Qc4+ Kh8 3.Bf4 Bb6 4.Be5 Qd7 5.Ba4 Qe7
6.Qc6 Kh7 7.Rb3 {70}
65648934 Nodes, 34.75% Leavenodes, 366772 Nodes/sec
45570931 eval, 49.20% score, 258437616 genmoves, 14.58% captures le 801/190
ext: pawn 3839, rcp 229414, chk 1764895, repchk 381487, null 21708, prune
3798710
htable: 49787049 store, 0 rejected, 64229832 probe, 31.3% f/p, 40.4% f/s
entries 24999999 age 1 renew 0
egtb probes 0, found 0 max_depth 39
black ( 1): f5
Seems like Yace knew better (at least on the surface):
[D]1r1q1rk1/pPp2p2/6pp/b7/3P4/P2Q4/2B2PPP/1RB3K1 w - - bm Bxh6;
white ( 2): setboard 1r1q1rk1/pPp2p2/6pp/b7/3P4/P2Q4/2B2PPP/1RB3K1 w - - bm
Bxh6;
Stored 8 learned positions into hash table
white ( 1): go
usetime = 179.00, mintime = 179.00 maxtime = 179.00 tl 179.00 ml 0
27 0.006 -7.39 1t 1.Qxg6+ fxg6 2.Bxh6 {-911}
42 0.011 1.68 1t 1.Bxh6 {10}
81 0.017 1.68 1. 1.Bxh6 {10}
158 0.023 1.45 2t 1.Bxh6 Re8 {10}
624 0.030 1.46 2t+ 1.Qa6 Qd5 2.Bxh6 {10}
660 0.034 1.46 2t 1.Qa6 Qd5 {-70}
1128 0.041 1.46 2. 1.Qa6 Qd5 {-70}
1285 0.046 1.46 3t 1.Qa6 Qd5 2.Bxh6 {10}
1647 0.052 1.47 3t+ 1.Bxh6 Bb4
1866 0.058 1.57 3t 1.Bxh6 Re8 2.Qb5 {10}
3576 0.067 1.57 3. 1.Bxh6 Re8 2.Qb5 {10}
4548 0.072 1.47 4t 1.Bxh6 Re8 2.Qa6 Bc3 {10}
9061 0.089 1.47 4. 1.Bxh6 Re8 2.Qa6 Bc3 {10}
11484 0.097 1.47 5t 1.Bxh6 Re8 2.Qa6 Bc3 3.Bb3 {10}
42169 0.173 1.47 5. 1.Bxh6 Re8 2.Qa6 Bc3 3.Bb3 {10}
57017 0.213 1.36 6t 1.Bxh6 Re8 2.Qa6 Bc3 3.Ba4 Re6 {10}
134484 0.419 1.36 6. 1.Bxh6 Re8 2.Qa6 Bc3 3.Ba4 Re6 {10}
212512 0.588 1.40 7t 1.Bxh6 Re8 2.Ba4 Rxb7 3.Bxe8 Rxb1+ 4.Qxb1 Qxe8
5.Qb7 {80}
595387 1.402 1.40 7. 1.Bxh6 Re8 2.Ba4 Rxb7 3.Bxe8 Rxb1+ 4.Qxb1 Qxe8
5.Qb7 {80}
887052 2.140 1.21 8t 1.Bxh6 Re8 2.Bb3 Qf6 3.Qc2 Be1 4.Bc4 c6 {10}
1966293 5.007 1.21 8. 1.Bxh6 Re8 2.Bb3 Qf6 3.Qc2 Be1 4.Bc4 c6 {10}
3178687 8.161 1.06 9t 1.Bxh6 Re8 2.Bb3 Qf6 3.Ba4 Re1+ 4.Rxe1 Bxe1
5.Qe3 Qh4 6.g3 {10}
6910092 17.851 1.06 9. 1.Bxh6 Re8 2.Bb3 Qf6 3.Ba4 Re1+ 4.Rxe1 Bxe1
5.Qe3 Qh4 6.g3 {10}
10819723 28.334 1.03 10t 1.Bxh6 Re8 2.Ba4 Re6 3.Be3 Qh4 4.Bb3 Rf6 5.Qb5
Bc3 {10}
16869376 44.792 1.03 10. 1.Bxh6 Re8 2.Ba4 Re6 3.Be3 Qh4 4.Bb3 Rf6 5.Qb5
Bc3 {10}
28590923 1:16.3 0.94 11t 1.Bxh6 Re8 2.Ba4 Re6 3.Be3 c5 4.d5 Rb6 5.Rb5
R6xb7 6.Rxb7 {430}
46916504 2:05.6 0.94 11. 1.Bxh6 Re8 2.Ba4 Re6 3.Be3 c5 4.d5 Rb6 5.Rb5
R6xb7 6.Rxb7 {430}
64680619 2:54.2 1.03 12t 1.Bxh6 Re8 2.Ba4 Re6 3.Be3 c5 4.d5 Rb6 5.Bxc5
Rxb1+ 6.Qxb1 Qxd5 7.Qb5 {10}
66472263 2:59.0 1.03 12u. 1.Bxh6 Re8 2.Ba4 Re6 3.Be3 c5 4.d5 Rb6 5.Bxc5
Rxb1+ 6.Qxb1 Qxd5 7.Qb5 {10}
66472263 Nodes, 33.07% Leavenodes, 371372 Nodes/sec
46543981 eval, 49.69% score, 259595912 genmoves, 13.16% captures le 772/194
ext: pawn 5676, rcp 342572, chk 1625827, repchk 372329, null 10670, prune
4126414
htable: 50745500 store, 0 rejected, 64964471 probe, 30.8% f/p, 39.4% f/s
entries 24999999 age 1 renew 0
egtb probes 0, found 0 max_depth 36
white ( 1): Bxh6
So what happened? Later we see this:
[D]1r1q2k1/pPp2p2/5rpB/b7/3P4/PB3Q2/5PPP/1R4K1 w - - am Qg4;
black ( 1): setboard 1r1q2k1/pPp2p2/5rpB/b7/3P4/PB3Q2/5PPP/1R4K1 w - - am Qg4;
Stored 8 learned positions into hash table
white ( 1): go
usetime = 179.00, mintime = 179.00 maxtime = 179.00 tl 179.00 ml 0
7 0.006 -3.34 1t 1.Qxf6 Qxf6 {-491}
12 0.011 -1.67 1t+ 1.Bxf7+ Rxf7 {-260}
20 0.017 -1.19 1t 1.Bxf7+ Rxf7 {-260}
33 0.023 1.71 1t 1.Qe4 {10}
71 0.029 1.71 1. 1.Qe4 {10}
114 0.035 1.58 2t 1.Qe4 Qd6 {10}
541 0.041 1.58 2. 1.Qe4 Qd6 {10}
1545 0.049 1.54 3t 1.Qe4 Qd6 2.a4 {10}
4093 0.058 1.54 3. 1.Qe4 Qd6 2.a4 {10}
7553 0.070 1.45 4t 1.Qe4 c6 2.Bc4 Qd6 {10}
11622 0.084 1.45 4. 1.Qe4 c6 2.Bc4 Qd6 {10}
26572 0.125 1.44 5t 1.Qe4 c6 2.Bg5 Rxb7 3.Bxf6 Qxf6H {80}
57126 0.189 1.44 5. 1.Qe4 c6 2.Bg5 Rxb7 3.Bxf6 Qxf6 {80}
85441 0.258 1.43 6t 1.Qe4 c6 2.Bg5 Rxb7 3.Bxf6 Qxf6 4.Qe8+ Kg7 {80}
149382 0.414 1.44 6t+ 1.Qe3 c6 2.Bg5 Rxb7 3.Bxf6 Qxf6 4.Qe4 {80}
181304 0.504 1.45 6t 1.Qe3 Qd7 2.Qe5 Qf5 3.Qxf5 Rxf5 {10}
202260 0.555 1.45 6. 1.Qe3 Qd7 2.Qe5 Qf5 3.Qxf5 Rxf5 {10}
303900 0.798 1.33 7t 1.Qe3 Qd7 2.Qe5 Qf5 3.Qxf5 Rxf5 4.Bc2 Rd5 {10}
424047 1.069 1.34 7t+ 1.Qe4 c6 2.Bg5 Rxb7 3.Bxf6 Qe8 4.Qxe8+ Kh7
{1431}
658124 1.600 1.37 7t 1.Qe4 Qd6 2.Bg5 Rf5 3.Be7 Rf4 4.Bxd6 {1011}
938575 2.191 1.37 7. 1.Qe4 Qd6 2.Bg5 Rf5 3.Be7 Rf4 4.Bxd6 {1011}
1769518 4.199 1.30 8t 1.Qe4 Qd7 2.Bc4 Bb6 3.Be3 Re8 4.Qd5 Qg4 {10}
2839960 6.700 1.30 8. 1.Qe4 Qd7 2.Bc4 Bb6 3.Be3 Re8 4.Qd5 Qg4 {10}
5401252 12.245 1.24 9t 1.Qe4 Qd7 2.Bc4 Qf5 3.Qxf5 Rxf5 4.a4 c6 5.h3
Rh5H {10}
8494078 19.145 1.24 9. 1.Qe4 Qd7 2.Bc4 Qf5 3.Qxf5 Rxf5 4.a4 c6 5.h3
Rh5 {10}
14265534 33.158 1.21 10t 1.Qe4 Qd7 2.Bc4 Qf5 3.Qxf5 Rxf5 4.Rb3 c6 5.g4
Rf6 6.d5 {10}
23427235 56.421 1.21 10. 1.Qe4 Qd7 2.Bc4 Qf5 3.Qxf5 Rxf5 4.Rb3 c6 5.g4
Rf6 6.d5 {10}
64344951 2:41.4 1.06 11t 1.Qe4 Rb6 2.Bc4 Rxb1+ 3.Qxb1 Qf6 4.Be3 c6 5.d5
a6 6.Ba7 cxd5 7.Bxb8 {430}
70960207 2:59.0 1.06 11u. 1.Qe4 Rb6 2.Bc4 Rxb1+ 3.Qxb1 Qf6 4.Be3 c6 5.d5
a6 6.Ba7 cxd5 7.Bxb8 {430}
70960207 Nodes, 29.46% Leavenodes, 396446 Nodes/sec
46867020 eval, 44.79% score, 293502338 genmoves, 10.98% captures le 743/186
ext: pawn 10849, rcp 277685, chk 2221391, repchk 491297, null 14522, prune
3713426
htable: 52896086 store, 0 rejected, 69355547 probe, 33.2% f/p, 43.5% f/s
entries 24999999 age 1 renew 0
Indeed, as Rb6 quickly wins the pawn back...
[D]1r1q2k1/pPp2p2/5rpB/b7/3P2Q1/PB6/5PPP/1R4K1 b - - bm Rb6;
black ( 1): setboard 1r1q2k1/pPp2p2/5rpB/b7/3P2Q1/PB6/5PPP/1R4K1 b - - bm Rb6;
Stored 8 learned positions into hash table
black ( 1): go
usetime = 179.00, mintime = 179.00 maxtime = 179.00 tl 179.00 ml 0
22 0.005 -5.49 1t 1...Rxf2 2.Kxf2 {-430}
61 0.011 -2.66 1t 1...Rxb7 2.Bxf7+ Kh7 3.Rxb7 Rxf7 {-160}
72 0.017 -1.54 1t 1...Qd6 {-10}
97 0.023 -1.54 1. 1...Qd6 {-10}
214 0.029 -1.78 2t 1...Qd6 2.Qc8+ Qd8 {-10}
312 0.034 -1.76 2t+ 1...Qe7 2.Qc8+ Qe8 {-10}
364 0.040 -1.76 2t 1...Qe7 2.Qc8+ Qe8 {-10}
417 0.046 -1.73 2t+ 1...c6 2.Re1 {-10}
544 0.052 -1.57 2t 1...c6 2.Bc4 {-10}
709 0.058 -1.56 2t+ 1...c5 2.Rd1 {-10}
930 0.063 -1.45 2t 1...c5 2.Bg5 {-10}
1178 0.069 -1.45 2. 1...c5 2.Bg5 {-10}
1884 0.076 -1.54 3t 1...c5 2.Bg5 cxd4 {70}
2397 0.081 -1.53 3t+ 1...c6 2.Qf3
2771 0.087 -1.42 3t 1...c6 2.Bc4 Qd6 {-10}
4271 0.096 -1.42 3. 1...c6 2.Bc4 Qd6 {-10}
7409 0.107 -1.42 4t 1...c6 2.Bc4 Bc3 3.Bg5 {-10}
11590 0.120 -1.42 4. 1...c6 2.Bc4 Bc3 3.Bg5 {-10}
16482 0.134 -1.82 5-- 1...c6 2.Bg5 Rxb7 3.Bxf6 Qxd4 {-350}
18353 0.141 -2.62 5t 1...c6 2.Bg5 Bc7 3.Bxf6 Qxf6 {-160}
21724 0.149 -2.61 5t+ 1...c5 2.Bg5 cxd4 3.Qxd4 {-10}
24592 0.159 -1.83 5t 1...c5 2.Bg5 cxd4 3.Bxf6 Qxf6 4.Qc8+ Qd8 {-80}
49834 0.218 -1.82 5t+ 1...Qe8 2.Bxf7+ Rxf7 3.Qxg6+ Kh8 4.Qxf7 Qxf7
5.Bg5 {681}
72248 0.292 -1.45 5t 1...Qe8 2.Qh4 Qc6 3.Qg5 Qe4 {-10}
95130 0.344 -1.44 5t+ 1...Rb6 2.Qf4 Qd7 3.h3
97655 0.355 -1.43 5t 1...Rb6 2.Qf4 Qd7 3.Rb2 a6 {-10}
99358 0.361 -1.43 5. 1...Rb6 2.Qf4 Qd7 3.Rb2 a6 {-10}
198948 0.569 -1.32 6t 1...Rb6 2.Qf4 Kh7 3.Bg5 Qd7 4.Qh4+ Kg8 {-10}
231946 0.648 -1.32 6. 1...Rb6 2.Qf4 Kh7 3.Bg5 Qd7 4.Qh4+ Kg8 {-10}
520064 1.299 -0.92 7++ 1...Rb6 2.Qf4 Kh7 3.Qxf7+ Kxh6 4.Qf4+ Qg5
5.Qxc7 Rxb3 6.Qxa5 {180}
664865 1.666 -0.75 7t 1...Rb6 2.Qf3 Kh7 3.Bc1 Qd7 4.Ra1 R8xb7 {70}
737371 1.825 -0.75 7. 1...Rb6 2.Qf3 Kh7 3.Bc1 Qd7 4.Ra1 R8xb7 {70}
2213084 5.099 -0.35 8++ 1...Rb6 2.Qf3 Qd7 3.Qf4 Kh7 4.Bxf7 Rxb1+ 5.Qc1
{410}
3081777 7.140 -0.20 8t 1...Rb6 2.Qf3 Qd7 3.Rc1 R8xb7 4.Bd5 Rb8 5.Qe4
{70}
3269109 7.580 -0.20 8. 1...Rb6 2.Qf3 Qd7 3.Rc1 R8xb7 4.Bd5 Rb8 5.Qe4
{70}
7694826 18.151 -0.06 9t 1...Rb6 2.Bg5 Qe8 3.Qf3 R8xb7 4.h3 Rxb3 5.Rxb3
Qe1+ 6.Kh2 Rxb3 {420}
8117517 19.119 -0.06 9. 1...Rb6 2.Bg5 Qe8 3.Qf3 R8xb7 4.h3 Rxb3 5.Rxb3
Qe1+ 6.Kh2 Rxb3 {420}
27307290 1:03.5 -0.01 10t 1...Rb6 2.Ba2 R8xb7 3.Rc1 Qd6 4.Bf4 Qd8 5.Rc5
Be1 6.Be5 {70}
32359420 1:15.7 -0.01 10. 1...Rb6 2.Ba2 R8xb7 3.Rc1 Qd6 4.Bf4 Qd8 5.Rc5
Be1 6.Be5 {70}
58107819 2:21.9 -0.09 11t 1...Rb6 2.Ba2 R8xb7 3.Rc1 Qe7 4.Qc8+ Kh7 5.Bf4
c6 6.Be5 f6 7.Qg8+ Kh6 {70}
66274269 2:43.0 -0.09 11. 1...Rb6 2.Ba2 R8xb7 3.Rc1 Qe7 4.Qc8+ Kh7 5.Bf4
c6 6.Be5 f6 7.Qg8+ Kh6 {70}
72506270 2:59.0 -0.09 11f. 1...Rb6 2.Ba2 R8xb7 3.Rc1 Qe7 4.Qc8+ Kh7 5.Bf4
c6 6.Be5 f6 7.Qg8+ Kh6 {70}
72506270 Nodes, 27.65% Leavenodes, 405083 Nodes/sec
47377578 eval, 42.37% score, 307345349 genmoves, 9.38% captures le 714/192
ext: pawn 5755, rcp 206455, chk 2778497, repchk 641840, null 22271, prune
3804306
htable: 54598383 store, 0 rejected, 71017508 probe, 33.6% f/p, 43.7% f/s
entries 24999999 age 1 renew 0
Oops:
[D]6k1/prpq1p2/1r4p1/b5B1/3P3P/PB3Q2/5PP1/1R4K1 w - - am g4;
white ( 2): setboard 6k1/prpq1p2/1r4p1/b5B1/3P3P/PB3Q2/5PP1/1R4K1 w - - am g4;
Stored 8 learned positions into hash table
white ( 1): go
usetime = 179.00, mintime = 179.00 maxtime = 179.00 tl 179.00 ml 0
32 0.005 -2.80 1t 1.Qxb7 Rxb7 2.Bxf7+ Kxf7 3.Rxb7 Qxd4 4.Rxa7
{-341}
56 0.017 -2.15 1t+ 1.Bxf7+ Qxf7 2.Qxb7 Rxb7 3.Rxb7H {-341}
66 0.023 -2.15 1t 1.Bxf7+ Qxf7 {-340}
80 0.029 0.21 1t 1.Bf6 {-70}
123 0.035 0.21 1. 1.Bf6 {-70}
216 0.041 0.08 2t 1.Bf6 Bd2 {-70}
1050 0.048 0.08 2. 1.Bf6 Bd2 {-70}
2242 0.055 -0.24 3t 1.Bf6 Qd6 2.Be5 {-70}
4432 0.064 -0.23 3t+ 1.h5 gxh5 2.Bf6 {-150}
4520 0.066 -0.23 3t 1.h5 gxh5 2.Bf6 {-150}
5060 0.073 -0.23 3. 1.h5 gxh5 2.Bf6 {-150}
7174 0.083 -0.39 4t 1.h5 gxh5 2.Bf6 Qg4 {-150}
7673 0.086 -0.38 4t+ 1.Bf6 Qd6 2.Be5 c6 {-70}
9606 0.096 -0.14 4t 1.Bf6 Qc6 2.Qxc6 Rxc6 {-70}
11292 0.100 -0.14 4. 1.Bf6 Qc6 2.Qxc6 Rxc6 {-70}
26856 0.130 -0.54 5-- 1.Bf6 Qf5 2.Qxb7 Rxb7 3.Kh2 {-571}
28140 0.135 -1.54 5-- 1.Bf6 Qf5 2.Qxb7 Rxb7 3.Kh2 {-571}
28586 0.140 -1.54 5t 1.Bf6 Qf5 2.Qxf5H gxf5H {-70}
29626 0.146 -1.53 5t+ 1.h5 Qf5 2.Qxf5 gxf5 {-70}
33144 0.158 -1.53 5t 1.h5 Qf5 2.Qxf5 gxf5H 3.Bxf7+H Kxf7H 4.Bf6H
{-340}
46929 0.193 -1.52 5t+ 1.Bh6 Qf5 2.Qxf5 gxf5 {-70}
56316 0.220 -0.61 5t 1.Bh6 Qf5 2.Qd1 c5 3.d5 {-70}
65786 0.242 -0.60 5t+ 1.Rb2 Bd2 2.Bxd2 Qxd4 {200}
78294 0.275 -0.37 5t 1.Rb2 c6 2.Bf6 Qd6 3.Be5 {-70}
116131 0.353 -0.37 5. 1.Rb2 c6 2.Bf6 Qd6 3.Be5 {-70}
140526 0.411 -0.38 6t 1.Rb2 Qf5 2.Qe3 Rb8 3.Be7 c6 {-70}
193258 0.522 -0.38 6. 1.Rb2 Qf5 2.Qe3 Rb8 3.Be7 c6 {-70}
333038 0.839 -0.49 7t 1.Rb2 Qf5 2.Qe3 Be1 3.f3 Qd7 4.Kf1 {-70}
632385 1.401 -0.49 7. 1.Rb2 Qf5 2.Qe3 Be1 3.f3 Qd7 4.Kf1 {-70}
1179738 2.654 -0.70 8t 1.Rb2 c6 2.Qd3 Qf5 3.Qe3 Be1 4.Qe8+ Kg7 5.Re2
Rxb3H {-420}
2135622 4.691 -0.70 8. 1.Rb2 c6 2.Qd3 Qf5 3.Qe3 Be1 4.Qe8+ Kg7 5.Re2
Rxb3 {-420}
5423150 12.035 -0.53 9t 1.Rb2 Rb8 2.g3 Qf5 3.Qe3 Be1 4.f4 Ba5 5.Be7
{-70}
6794876 14.669 -0.53 9. 1.Rb2 Rb8 2.g3 Qf5 3.Qe3 Be1 4.f4 Ba5 5.Be7
{-70}
17922278 41.137 -0.61 10t 1.Rb2 a6 2.a4 Kh7 3.d5 Qf5H 4.Qd1H Kg8H 5.Bc2H
Qe5H {-70}
22241307 50.489 -0.61 10. 1.Rb2 a6 2.a4 Kh7 3.d5 Qf5 4.Qd1 Kg8 5.Bc2 Qe5
{-70}
63791211 2:25.9 -0.57 11t 1.Rb2 a6 2.Bh6 Qf5 3.Qe3 Rb8 4.Bg5 Be1 5.Kh1
Qg4H {HT} {-70}
73639275 2:47.1 -0.57 11. 1.Rb2 a6 2.Bh6 Qf5 3.Qe3 Rb8 4.Bg5 Be1 5.Kh1
Qg4 {HT} {-70}
78666927 2:59.0 -0.57 11f. 1.Rb2 a6 2.Bh6 Qf5 3.Qe3 Rb8 4.Bg5 Be1 5.Kh1
Qg4 6.Kg1H c6H {-70}
78666927 Nodes, 31.11% Leavenodes, 439500 Nodes/sec
54894207 eval, 31.56% score, 301714040 genmoves, 12.40% captures le 328/252
ext: pawn 18905, rcp 317899, chk 2240687, repchk 558030, null 11217, prune
4416775
htable: 61307362 store, 0 rejected, 77187315 probe, 28.3% f/p, 35.6% f/s
entries 24999999 age 1 renew 0
egtb probes 0, found 0 max_depth 35
white ( 1): Rb2
Rb2 looks a lot better than g4 turned out, as you can see:
[D]6k1/prpq1p2/1r4p1/b5B1/3P2PP/PB3Q2/5P2/1R4K1 b - - bm c6 Rxb3;
black ( 1): setboard 6k1/prpq1p2/1r4p1/b5B1/3P2PP/PB3Q2/5P2/1R4K1 b - - bm c6
Rxb3;
Stored 8 learned positions into hash table
black ( 1): go
usetime = 179.00, mintime = 179.00 maxtime = 179.00 tl 179.00 ml 0
35 0.006 3.88 1t 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxg5
{350}
69 0.017 3.88 1. 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxg5
{350}
112 0.029 3.88 2t 1...Rxb3 2.Rxb3 Rxb3H 3.Qxb3H Qxg4+H 4.Kf1H
Qxg5H {350}
494 0.041 3.88 2. 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxg5
{350}
961 0.053 3.88 3t 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+H 4.Kf1H Qxg5H
{350}
1311 0.064 3.88 3. 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxg5
{350}
2789 0.077 3.88 4t 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxg5H
{350}
3234 0.087 3.88 4. 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxg5
{350}
4076 0.099 3.48 5-- 1...Rxb3 2.Rxb3 Qd5 3.Qxd5 Rxb3 {-581}
4340 0.104 2.48 5-- 1...Rxb3 2.Rxb3 Qd5 3.Qxd5 Rxb3 {-581}
8045 0.115 1.30 5t 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxd4
5.Qb7 {80}
19486 0.148 1.30 5. 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxd4
5.Qb7 {80}
31378 0.173 1.28 6t 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxd4
5.Qb8+ Kg7 6.Qe8 {80}
56420 0.236 1.28 6. 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxd4
5.Qb8+ Kg7 6.Qe8 {80}
82661 0.287 1.37 7t 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxd4
5.Qb8+ Kg7 6.Qb7 Qd3+ 7.Kg1 {80}
188076 0.509 1.37 7. 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxd4
5.Qb8+ Kg7 6.Qb7 Qd3+ 7.Kg1 {80}
275762 0.675 1.32 8t 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxd4
5.Qb7 Qd3+ 6.Kg2 Qxa3 7.Qxa7 {80}
829644 1.870 1.32 8. 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxd4
5.Qb7 Qd3+ 6.Kg2 Qxa3 7.Qxa7 {80}
1035365 2.283 1.34 9t 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxd4
5.Qe3 c5 6.Qxd4 cxd4 7.f3 {80}
2007932 4.405 1.35 9t+ 1...c6 2.Kf1 Qxd4 3.Bf6 Qd6 4.Rd1 Bd2 5.a4 Rxb3
6.Rxd2H Rxf3H 7.Rxd6H {150}
2304545 5.146 1.41 9t 1...c6 2.Kf1 Qxd4 3.Bf6 Qd6 4.Rd1 Bd2 5.Bc4 Rb1
{150}
2770902 6.164 1.41 9. 1...c6 2.Kf1 Qxd4 3.Bf6 Qd6 4.Rd1 Bd2 5.Bc4 Rb1
{150}
8121287 18.118 1.43 10t 1...c6 2.Kg2 Rxb3 3.Rxb3 Rxb3 4.Qxb3 Qxg4+
5.Qg3 Qxd4 6.Qf3 Qc3 7.Bf6 Qxf3+ 8.Kxf3 {80}
8679473 19.365 1.44 10t+ 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxd4
5.Qe3 c5 6.Ke2 a6 7.a4
8865905 19.705 1.44 10t 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3H Qxg4+H 4.Kf1H
Qxd4H 5.Be3H Qa1+H 6.Kg2H a6H 7.f3H c6H 8.Bc5H
{80}
10075155 22.298 1.44 10. 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kf1 Qxd4
5.Be3 Qa1+ 6.Kg2 a6 7.f3 c6 8.Bc5 {80}
12278610 26.932 1.34 11t 1...Rxb3 2.Rxb3 Rxb3 3.Qxb3 Qxg4+ 4.Kh2 Qxd4
5.Qg3 Qc3 6.Be3 a6 7.h5 Qd3 8.hxg6H {0}
17807724 39.436 1.35 11t+ 1...c6 2.Kg2
23817736 54.569 1.45 11t 1...c6 2.Kf1 Qxd4 3.Rd1 Rxb3H 4.Qxb3H Qxg4H
5.Qxb7H Qxd1+H 6.Kg2H Qg4+H 7.Kf1H Qh3+H 8.Ke2H
Qe6+H 9.Kd3H Qd6+H 10.Ke2H Kf8H {80}
28796272 1:05.7 1.45 11. 1...c6 2.Kf1 Qxd4 3.Rd1 Rxb3 4.Qxb3 Qxg4 5.Qxb7
Qxd1+ 6.Kg2 Qg4+ 7.Kf1 Qh3+ 8.Ke2 Qe6+ 9.Kd3
Qd6+ 10.Ke2 Kf8 {80}
74510546 2:59.0 1.45 11f. 1...c6 2.Kf1 Qxd4 3.Rd1 Rxb3 4.Qxb3 Qxg4 5.Qxb7
Qxd1+ 6.Kg2 Qg4+ 7.Kf1 Qh3+ 8.Ke2 Qe6+ 9.Kd3
Qd6+ 10.Ke2 Kf8 {80}
74510546 Nodes, 32.36% Leavenodes, 416279 Nodes/sec
51798605 eval, 38.38% score, 300982186 genmoves, 12.14% captures le 368/259
ext: pawn 31033, rcp 351267, chk 2102636, repchk 495516, null 7218, prune
4611835
htable: 57246495 store, 0 rejected, 72969338 probe, 29.9% f/p, 38.2% f/s
entries 24999999 age 1 renew 0
egtb probes 0, found 0 max_depth 35
From here, black slowly ground out the advantage.
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.