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Subject: Re: Test Position!!

Author: Richard Pijl

Date: 02:58:01 11/23/04

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On November 22, 2004 at 23:12:46, Anthony Cozzie wrote:

>[D]r1b2rk1/1pq2pp1/p2bpn1p/8/3N4/1BP2Q1P/PP3PP1/R1B1R1K1 b - - 0 15
>
>Here Zappa played b6, expecting to get the Q versus two rooks after Qxa8 Bb7
>Qxf8.
The Baron 1.5.0 (Xeon 2.8):
 ply       time        nodes   score  pv
  4( 8).   0:00.06     13164   -0.08  Bd6-h2 Kg1-h1 Bh2-e5 Bc1-e3 Bc8-d7
  5(10)&   0:00.11     22423   -0.29  Bd6-h2 Kg1-h1 Bh2-e5 Bc1-e3 Bc8-d7
                                      Bb3-c2
  5(10)&   0:00.13     30797   -0.14  e6-e5 Nd4-f5 Bc8xf5 Qf3xf5 Qc7-d7
                                      Qf5-g6
  5(10).   0:00.20     48689   -0.14  e6-e5 Nd4-f5 Bc8xf5 Qf3xf5 Qc7-d7
                                      Qf5-g6
  6(10)&   0:00.27     67344   -0.13  e6-e5 Nd4-f5 Bc8xf5 Qf3xf5 Qc7-d7
                                      Qf5xd7 Nf6xd7
  6(12).   0:00.61    156891   -0.13  e6-e5 Nd4-f5 Bc8xf5 Qf3xf5 Qc7-d7
                                      Qf5xd7 Nf6xd7
  7(10)&   0:00.70    188969   -0.13  e6-e5 Nd4-f5 Bc8xf5 Qf3xf5 Qc7-d7
                                      Qf5xd7 Nf6xd7
  7(13).   0:01.95    512518   -0.13  e6-e5 Nd4-f5 Bc8xf5 Qf3xf5 Qc7-d7
                                      Qf5xd7 Nf6xd7
  8(12)&   0:02.58    686513   -0.26  e6-e5 Nd4-f5 e5-e4 Nf5xh6 Kg8-h8
                                      Re1xe4 Bd6-h2 Kg1-f1 Nf6xe4 (Nh6xf7)
(Rf8xf7)
                                      (Bb3xf7)
  8(14)&   0:04.20   1141305   -0.24  Ra8-b8 Bc1xh6 e6-e5 Qf3-g3 Nf6-h5
                                      Qg3-g5 e5xd4 Qg5xh5 (g7xh6) (c3xd4)
  8(14)&   0:07.52   2042231   -0.02  Bc8-d7 Kg1-h1 Ra8-c8 Bc1-e3 Bd7-c6
                                      Nd4xc6 Qc7xc6 Qf3xc6 Rc8xc6
  8(14).   0:10.73   2921749   -0.02  Bc8-d7 Kg1-h1 Ra8-c8 Bc1-e3 Bd7-c6
                                      Nd4xc6 Qc7xc6 Qf3xc6 Rc8xc6
  9(14)&   0:18.78   5259700   -0.04  Bc8-d7 Bc1-e3 e6-e5 Nd4-c2 e5-e4
                                      Qf3-e2 Bd6-h2 Kg1-h1 Bd7-b5 c3-c4
  9(15)&   0:27.08   7903312   +0.08  Ra8-b8 Bc1-e3 b7-b5 Qf3-c6 Bc8-b7
                                      Qc6xc7 Bd6xc7 a2-a4 Bb7-e4 a4xb5 (a6xb5)
  9(15).   0:29.50   8652595   +0.08  Ra8-b8 Bc1-e3 b7-b5 Qf3-c6 Bc8-b7
                                      Qc6xc7 Bd6xc7 a2-a4 Bb7-e4 a4xb5 (a6xb5)
 10(16)&   0:47.67  13904506   -0.14  Ra8-b8 Bc1xh6 e6-e5 Bh6xg7 Kg8xg7
                                      Qf3-g3 Kg7-h8 Bb3-c2 Nf6-h7 Bc2xh7 Kh8xh7
                                      Nd4-f3
 10(16)&   1:02.11  18049752   +0.08  e6-e5 Nd4-f5 e5-e4 Nf5xh6 Kg8-h8
                                      Qf3-e3 Bd6-c5 Qe3-g5 Nf6-h7 Qg5-h5 (g7xh6)

                                      (Bc1xh6)
 10(16).   1:04.80  18877277   +0.08  e6-e5 Nd4-f5 e5-e4 Nf5xh6 Kg8-h8
                                      Qf3-e3 Bd6-c5 Qe3-g5 Nf6-h7 Qg5-h5 (g7xh6)

                                      (Bc1xh6)
 11(16)&   1:10.19  20622379   -0.05  e6-e5 Nd4-f5 e5-e4 Nf5xh6 Kg8-h8
                                      Re1xe4 Nf6xe4 Nh6xf7 Rf8xf7 Bb3xf7 Ne4-f6
                                      Bf7-g6 Bc8-e6
 11(18).   2:18.95  40854644   -0.05  e6-e5 Nd4-f5 e5-e4 Nf5xh6 Kg8-h8
                                      Re1xe4 Nf6xe4 Nh6xf7 Rf8xf7 Bb3xf7 Ne4-f6
                                      Bf7-g6 Bc8-e6
 12(19)&   2:33.45  45212438   -0.05  e6-e5 Nd4-f5 e5-e4 Nf5xh6 Kg8-h8
                                      Re1xe4 Nf6xe4 Nh6xf7 Rf8xf7 Bb3xf7 Ne4-f6
                                      Bf7-g6 Bc8-e6
>
>[D]Q4rk1/1bq2pp1/pp1bpn1p/8/3N4/1BP4P/PP3PP1/R1B1R1K1 w - - 0 17
>
>But CSMath now suprised Zappa (as much as a computer can be surprised) with
>Nxe6, getting RBPP for the queen.  Which does your engine prefer?
 ply       time        nodes   score  pv
  4( 9).   0:00.05     12323   +2.42  Nd4xe6 Qc7-c6 Bb3-d5 Rf8xa8 (Bd5xc6)
                                      (Bb7xc6)
  5(10)&   0:00.08     20970   +0.96  Nd4xe6 Qc7-c6 Qa8xb7 Qc6xb7 Ne6xf8
                                      Kg8xf8
  5(10).   0:00.11     33774   +0.96  Nd4xe6 Qc7-c6 Qa8xb7 Qc6xb7 Ne6xf8
                                      Kg8xf8
  6(11)&   0:00.17     53975   -0.82  Nd4xe6 f7xe6 Bb3xe6 Kg8-h8 Qa8xf8
                                      Bd6xf8 Bc1-e3
  6(12)&   0:00.47    137785   -0.48  Qa8xf8 Bd6xf8 Bc1-e3 Nf6-d5 Bb3xd5
                                      Bb7xd5 a2-a4
  6(12).   0:00.50    153825   -0.48  Qa8xf8 Bd6xf8 Bc1-e3 Nf6-d5 Bb3xd5
                                      Bb7xd5 a2-a4
  7(14)&   0:00.92    281522   -0.42  Qa8xf8 Bd6xf8 Bb3-c2 Bf8-d6 Bc1-e3
                                      Qc7-c4 Nd4-e2 Nf6-d7
  7(14)+   0:01.08    334153   -0.18  Nd4xe6 (Qc7-c6) (Qa8xb7) (Qc6xb7) (Ne6xf8)
                                      (Kg8xf8) (a2-a4)
  7(14)&   0:01.11    348099   +0.48  Nd4xe6 f7xe6 Qa8xb7 Qc7xb7 Re1xe6
                                      Bd6-h2 Kg1xh2 Rf8-f7
  7(14).   0:01.30    409218   +0.48  Nd4xe6 f7xe6 Qa8xb7 Qc7xb7 Re1xe6
                                      Bd6-h2 Kg1xh2 Rf8-f7
  8(14)&   0:01.66    528607   +0.75  Nd4xe6 f7xe6 Qa8xb7 Qc7xb7 Re1xe6
                                      Kg8-h8 Re6xd6 Rf8-e8
  8(14).   0:02.25    734322   +0.75  Nd4xe6 f7xe6 Qa8xb7 Qc7xb7 Re1xe6
                                      Kg8-h8 Re6xd6 Rf8-e8
  9(15)&   0:03.55   1173647   +0.84  Nd4xe6 f7xe6 Qa8xb7 Bd6-h2 Kg1-h1
                                      Qc7xb7 Bb3xe6 Kg8-h7 Kh1xh2 Qb7-b8 Kh2-g1
                                      Qb8-d6
  9(15).   0:04.38   1489623   +0.84  Nd4xe6 f7xe6 Qa8xb7 Bd6-h2 Kg1-h1
                                      Qc7xb7 Bb3xe6 Kg8-h7 Kh1xh2 Qb7-b8 Kh2-g1
                                      Qb8-d6
 10(17)&   0:06.94   2414976   +0.88  Nd4xe6 f7xe6 Qa8xb7 Bd6-h2 Kg1-h1
                                      Qc7xb7 Bb3xe6 Kg8-h7 Kh1xh2 Nf6-e4 f2-f4
                                      Ne4-f2
 10(17).   0:07.73   2773255   +0.88  Nd4xe6 f7xe6 Qa8xb7 Bd6-h2 Kg1-h1
                                      Qc7xb7 Bb3xe6 Kg8-h7 Kh1xh2 Nf6-e4 f2-f4
                                      Ne4-f2
 11(18)&   0:12.80   4649427   +0.38  Nd4xe6 f7xe6 Qa8xb7 Qc7xb7 Re1xe6
                                      Kg8-h8 Re6xd6 Nf6-e4 Bb3-d5 Qb7-b8 Rd6xh6
                                      (g7xh6) (Bd5xe4)
 11(18).   0:18.36   6815291   +0.38  Nd4xe6 f7xe6 Qa8xb7 Qc7xb7 Re1xe6
                                      Kg8-h8 Re6xd6 Nf6-e4 Bb3-d5 Qb7-b8 Rd6xh6
                                      (g7xh6) (Bd5xe4)
 12(20)&   0:28.97  10784179   +0.46  Nd4xe6 f7xe6 Qa8xb7 Qc7xb7 Re1xe6
                                      Kg8-h8 Re6xd6 Nf6-e4 Rd6-d4 Ne4xf2 Rd4-f4
                                      Rf8xf4 (Bc1xf4)
 12(20).   0:34.27  12749508   +0.46  Nd4xe6 f7xe6 Qa8xb7 Qc7xb7 Re1xe6
                                      Kg8-h8 Re6xd6 Nf6-e4 Rd6-d4 Ne4xf2 Rd4-f4
                                      Rf8xf4 (Bc1xf4)
 13(23)+   0:51.02  18924798   +0.76  Nd4xe6 (f7xe6) (Qa8xb7) (Qc7xb7) (Re1xe6)
                                      (Kg8-h8) (Re6xd6) (Nf6-e4) (Rd6-d4)
(Ne4xf2) (Bc1-f4)
 13(23)&   0:55.59  20691516   +0.68  Nd4xe6 f7xe6 Qa8xb7 Bd6-h2 Kg1-h1
                                      Qc7xb7 Bb3xe6 Kg8-h8 Kh1xh2 Qb7-c7 g2-g3
                                      Qc7-c6 f2-f4 Rf8-e8 f4-f5 Qc6-f3
 13(23).   1:11.69  26831276   +0.68  Nd4xe6 f7xe6 Qa8xb7 Bd6-h2 Kg1-h1
                                      Qc7xb7 Bb3xe6 Kg8-h8 Kh1xh2 Qb7-c7 g2-g3
                                      Qc7-c6 f2-f4 Rf8-e8 f4-f5 Qc6-f3
 14(25)&   2:15.34  49363069   +0.28  Nd4xe6 f7xe6 Qa8xb7 Bd6-h2 Kg1-h1
                                      Qc7xb7 Kh1xh2 Nf6-d5 Re1xe6 Rf8xf2 Kh2-g1
                                      Rf2-f5 Bc1-e3 Qb7-f7 Bb3xd5 (Rf5xd5)
(Re6xb6)
 14(25).   3:08.86  69627839   +0.28  Nd4xe6 f7xe6 Qa8xb7 Bd6-h2 Kg1-h1
                                      Qc7xb7 Kh1xh2 Nf6-d5 Re1xe6 Rf8xf2 Kh2-g1
                                      Rf2-f5 Bc1-e3 Qb7-f7 Bb3xd5 (Rf5xd5)
(Re6xb6)
Richard.
>
>[D]r1b2rk1/1pq2pp1/p2b1n1p/4p3/3N4/1BP2Q1P/PP3PP1/R1B1R1K1 w - - 0 16
>
>Instead of b6, Zappa was considering e5, but discarded it at the last minute.
>What does your engine play after e5, and does it favor Black or White?
>
>Bonus question:  What engine was CSMath using?  It isn't in the finger notes.
>My suspicion is Hiarcs because Enrico (Hiarcs8x) was watching, but its an open
>ended question :)
>
>In the end Zappa had enough to draw, after a long defence.  The full game:
>
>[White "CSMath"]
>[Black "Zappa"]
>[Result "1/2"]
>[WhiteElo "2812"]
>[BlackElo "2640"]
>[TimeControl "1200+30"]
>
>1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6
>8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bb3 Bd6 13. h3 O-O 14.
>c3 h6 15. Qf3 b6 16. Qxa8 Bb7 17. Nxe6 fxe6 18. Qxb7 Bh2+ 19. Kh1 Qxb7 20.
>Rxe6 Kh7 21. Bc2+ Kh8 22. Kxh2 Qc8 23. Bb3 a5 24. Re2 Qa6 25. Re1 a4 26.
>Bd1 a3 27. bxa3 Qd3 28. Bb3 Ne4 29. Be3 Qd6+ 30. Kg1 Nxc3 31. Rac1 Qf6 32.
>Rc2 Qe5 33. Rec1 Nd5 34. Bxd5 Qxd5 35. Bxb6 Rf6 36. Bc5 Rg6 37. g3 Kh7 38.
>Bb4 h5 39. Rc5 Qf3 40. R1c3 Qd1+ 41. Kg2 h4 42. Rf3 hxg3 43. fxg3 Re6 44.
>Rcf5 Rc6 45. Rf2 Rc1 46. Rf1 Rc2+ 47. R5f2 Qd5+ 48. Kh2 Qxa2 49. Rxc2 Qxc2+
>50. Kg1 Qb3 51. Kg2 Qc2+ 52. Rf2 Qe4+ 53. Kh2 Qe3 54. Rd2 Kg6 55. h4 Kf5
>56. Rg2 Kg4 57. Bf8 g6 58. Bb4
>
>anthony



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