Author: Dann Corbit
Date: 12:23:10 01/22/01
Go up one level in this thread
On January 22, 2001 at 09:36:53, Steffen Jakob wrote:
>Hossa played a blitz game with Amateur some minutes ago where he got a won
>endgame position. Both sides had a queen and pawns. Hossa was 3 pawns up. Then
>there was the opportunity to exchange the queens resulting in a pawn endgame
>position where Hossa had 3 connected advanced passed pawns and Amateur had no
>passer at all. You can imagine that Hossa was very happy to exchange in this
>line. Unfortunately the 3 passers werent able to force a promotion without the
>help of their king who was far away. On the other hand black could create a
>passer which could not be stopped by white. So in the end Hossa lost this
>"deadly" won position :-)
>
>I am interested if "your" engine could resist to play 46.Qe6+ in a blitz game.
>
>[D]6k1/2pq4/5Q2/p2PPP2/1p1P4/8/P6P/7K w
>
>Best wishes,
>Steffen.
>
>[Event "ICS rated blitz match"]
>[Site "204.178.125.65"]
>[Date "2001.01.22"]
>[Round "-"]
>[White "Hossa"]
>[Black "Amateur"]
>[Result "0-1"]
>[WhiteElo "2508"]
>[BlackElo "2548"]
>[TimeControl "300+2"]
>
>1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Nf3 h6 7. Bh4 O-O
>8. e3 Nc6 9. Be2 Be6 10. O-O Ne4 11. Bxe7 Qxe7 12. Qb3 Nxc3 13. bxc3 Rab8
>14. Bd3 Rfd8 15. Qc2 Bg4 16. Nd2 Qg5 17. f4 Qf6 18. Nf3 Ne7 19. Ne5 Bh5 20.
>Bh7+ Kh8 21. g4 Bg6 22. Bxg6 Nxg6 23. c4 Nxe5 24. fxe5 Qe6 25. cxd5 Qxg4+
>26. Kh1 Rf8 27. Rf4 Qc8 28. Rg1 Qd7 29. e4 Qe7 30. Qc1 b5 31. Rf3 b4 32.
>Rfg3 Rg8 33. R1g2 a5 34. Qf4 Rbd8 35. Rh3 f5 36. Rxh6+ gxh6 37. Qxh6+ Qh7
>38. Qf6+ Rg7 39. Qxd8+ Qg8 40. Qf6 Qf7 41. Rxg7 Qxg7 42. Qh4+ Kg8 43. exf5
>Qd7 44. Qg5+ Kf8 45. Qf6+ Kg8 46. Qe6+ Qxe6 47. fxe6 Kf8 48. d6 cxd6 49.
>exd6 a4 50. d7 Ke7 51. Kg2 b3 52. axb3 axb3 53. d5 b2 54. Kf3 b1=Q 55. Kf4
>Qd3 56. Ke5 Qe3+ 57. Kf5 Qd4
>{Hossa resigns} 0-1
Yace has a time of it with this position:
black ( 1): setboard 6k1/2pq4/5Q2/p2PPP2/1p1P4/8/P6P/7K w
Stored 2 learned positions into hash table
white ( 1): go
usetime = 599.00, mintime = 599.00 maxtime = 599.00 tl 599.00 ml 0
13 0.033 1.71 1t 1.e6 Qxd5+ 2.Kg1 Qxa2 {80}
19 0.035 2.71 1t+ 1.Qg6+ Qg7 {240}
26 0.041 4.01 1t 1.Qg6+ Qg7 2.Qxg7+ Kxg7 {240}
61 0.048 4.01 1. 1.Qg6+ Qg7 2.Qxg7+ Kxg7 {240}
767 0.056 3.96 2t 1.Qg6+ Kf8 2.Qc6 {240}
970 0.062 3.97 2t+ 1.Qe6+ Kh8
1184 0.068 4.20 2t 1.Qe6+ Qf7 2.Qg6+ Kf8 3.e6 {240}
1246 0.074 4.20 2. 1.Qe6+ Qf7 2.Qg6+ Kf8 3.e6 {240}
2073 0.082 4.08 3t 1.Qe6+ Qf7 2.Qxf7+ Kxf7 3.h4 Ke7 {240}
3140 0.089 4.08 3. 1.Qe6+ Qf7 2.Qxf7+ Kxf7 3.h4 Ke7 {240}
4535 0.097 4.19 4t 1.Qe6+ Qf7 2.Qxf7+ Kxf7 3.h4 Ke7 4.h5 {240}
5846 0.103 4.19 4. 1.Qe6+ Qf7 2.Qxf7+ Kxf7 3.h4 Ke7 4.h5 {240}
10849 0.117 4.15 5t 1.Qe6+ Qf7 2.f6 a4 3.Qc8+ Kh7 4.Qf5+ Kg8 5.e6
{240}
15285 0.133 4.15 5. 1.Qe6+ Qf7 2.f6 a4 3.Qc8+ Kh7 4.Qf5+ Kg8 5.e6
{240}
28291 0.165 4.48 6t 1.Qe6+ Qf7 2.f6 a4 3.Qc8+ Kh7 4.Qf5+ Kh8 5.e6
Qg8 {240}
40300 0.195 4.48 6. 1.Qe6+ Qf7 2.f6 a4 3.Qc8+ Kh7 4.Qf5+ Kh8 5.e6
Qg8 {240}
85995 0.282 4.57 7t 1.Qe6+ Qf7 2.f6 a4 3.Qc8+ Kh7 4.Qf5+ Kh6 5.e6
Qg8 6.h4 {240}
113745 0.336 4.57 7. 1.Qe6+ Qf7 2.f6 a4 3.Qc8+ Kh7 4.Qf5+ Kh6 5.e6
Qg8 6.h4 {240}
149496 0.407 4.51 8t 1.Qe6+ Qxe6 2.fxe6 Kf8 3.d6 cxd6 4.exd6 a4 5.h4
b3 6.d7 Ke7 {240}
369962 0.826 4.51 8. 1.Qe6+ Qxe6 2.fxe6 Kf8 3.d6 cxd6 4.exd6 a4 5.h4
b3 6.d7 Ke7 {240}
1388507 2.803 4.59 9t 1.Qe6+ Qf7 2.h4 Kg7 3.f6+ Kg8 4.Kh2 a4 5.Qc8+
Kh7 6.Qf5+ Kh8 7.e6 Qg8 {240}
1707553 3.426 4.59 9. 1.Qe6+ Qf7 2.h4 Kg7 3.f6+ Kg8 4.Kh2 a4 5.Qc8+
Kh7 6.Qf5+ Kh8 7.e6 Qg8 {240}
3078031 6.022 4.19 10-- 1.Qe6+ Qxe6 2.fxe6 Kf8 3.Kg2 a4 4.Kg3 b3 5.h4
bxa2 6.d6 a1=Q 7.d7
3252963 6.413 3.60 10t 1.Qe6+ Qxe6 2.fxe6 Kf8 3.d6 cxd6 4.exd6 a4 5.d7
Ke7 6.d5 b3 7.d6+ Kd8 8.axb3 axb3 {240}
7647701 15.827 3.60 10. 1.Qe6+ Qxe6 2.fxe6 Kf8 3.d6 cxd6 4.exd6 a4 5.d7
Ke7 6.d5 b3 7.d6+ Kd8 8.axb3 axb3 {240}
8080520 16.968 3.60 11t 1.Qe6+ Qxe6 2.fxe6 Kf8 3.d6 cxd6 4.exd6 a4 5.d7
Ke7 6.d5 b3 7.d6+ Kd8 8.axb3 axb3 {240}
19144245 41.327 3.60 11. 1.Qe6+ Qxe6 2.fxe6 Kf8 3.d6 cxd6 4.exd6 a4 5.d7
Ke7 6.d5 b3 7.d6+ Kd8 8.axb3 axb3 {240}
20242440 44.278 3.60 12t 1.Qe6+ Qxe6 2.fxe6 Kf8 3.d6 c6 4.e7+ Ke8 5.h4
a4 6.e6 b3 7.axb3 axb3 8.Kg2 {240}
55357898 2:06.1 3.60 12. 1.Qe6+ Qxe6 2.fxe6 Kf8 3.d6 c6 4.e7+ Ke8 5.h4
a4 6.e6 b3 7.axb3 axb3 8.Kg2 {240}
57473968 2:12.7 3.20 13-- 1.Qe6+ Qxe6 2.fxe6 Kf8 3.d6 c6 4.d7 Ke7 5.Kg2
a4 6.d5 cxd5 7.h3 b3 8.a3 b2 9.d8=N {420}
58714406 2:16.4 0.88 13t 1.Qe6+ Qxe6 2.fxe6 Kf8 3.d6 cxd6 4.exd6 a4 5.d7
Ke7 6.d5 b3 7.d8=Q+ Kxd8 8.axb3 axb3 9.d6 b2
10.e7+ Ke8 {160}
99394740 3:49.0 0.89 13t+ 1.Qg6+ Kf8 2.Qh6+ Kg8 3.d6 cxd6 4.exd6 Qxf5
5.Qe3 b3 6.axb3 Kf8
258430784 9:58.9 0.89 13t 1.Qg6+ Kf8 2.Qh6+ Kg8 3.d6 cxd6 4.exd6 Qxf5
5.Qe3 b3 6.axb3 Kf8
258430784 9:58.9 0.89 13u. 1.Qg6+ Kf8 2.Qh6+ Kg8 3.d6 cxd6 4.exd6 Qxf5
5.Qe3 b3 6.axb3 Kf8
258430784 Nodes, 18.55% Leavenodes, 431444 Nodes/sec
134522880 eval, 87.98% score, 1370014803 genmoves, 4.92% captures le 504/293
ext: pawn 2662186, rcp 30441, chk 26792609, repchk 5766359, null 197923, prune
3483176
htable: 185322903 store, 0 rejected, 256389781 probe, 39.8% f/p, 55.0% f/s
entries 10666665 age 1 renew 0
egtb probes 16593, found 16593
white ( 1): Qg6+
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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