Author: Kurt Utzinger
Date: 13:48:38 03/30/02
A lot of people surprised about the results of Chess Tiger 14 in our tournament
argue that there must be something wrong with the settings and so on. That's
nonsense, but I am going to check this on the basis of some critical positions.
By the way: I am convinced that the hour of ChessTiger14 in this tournament is
still to come!!
[D] rr4k1/2qbbpp1/2p2n1p/3Pp2P/p4B2/P1N2Q2/BPP2PP1/2K1R2R b - - 0 19
The above position arose between Hiarcs732 vs ChessTiger14 from the running OP
2002 Nunn Test Tournament, complete game below. White had played 19.exd5 when
the French program replied 19...Bd6. In his German comments in the CSS forum
[www.computerschach.de/forum], Michael Gurewich, who assist me in this matter,
wrote: 'Is ChessTiger blind? Black should play 19...Bxa3 20.bxa3 [if 20.Bxe5
Bxb2+-] exf4 with advantage for Black' I was wondering why ChessTiger could
oversee such a good possibility and made analysis with the program and some
others. The results on my Ath 1.4 with 32 MB hash are as follows [analysis
windows set to 'Sroll New Moves Only'] and you will realize that nothing is
wrong with ChessTiger's set up:
Hiarcs 7.32 - Chess Tiger 14.0
rr4k1/2qbbpp1/2p2n1p/3Pp2P/p4B2/P1N2Q2/BPP2PP1/2K1R2R b - - 0 1
Analysis by Chess Tiger 14.0:
19...Bd6 20.Bxh6 e4 21.Nxe4 Nxe4 22.Rxe4 gxh6 23.Qf6 Rb5 24.Qxh6 cxd5 25.Qg5+
Kh7 26.h6 Rg8
µ (-1.06) Depth: 8 00:00:00 173kN
³ (-0.50) Depth: 14 00:01:35 38622kN
19...Qb6 20.Bxe5 Qxb2+ 21.Kd2 Rd8 22.Bc7 Qxa3 23.Bxd8 Rxd8 24.Ra1 Bg4 25.Qd3
cxd5 26.f3 Bxh5 27.Bxd5 Qb4
³ (-0.60) Depth: 14 00:04:26 111492kN
³ (-0.70) Depth: 15 00:09:30 243127kN
(Utzinger, MyTown 30.03.2002)
--------------------------------------------------------------------------------------------
Hiarcs 7.32 - Chess Tiger 14.0
rr4k1/2qbbpp1/2p2n1p/3Pp2P/p4B2/P1N2Q2/BPP2PP1/2K1R2R b - - 0 1
Analysis by Gambit Tiger 2.0:
19...Bd6 20.Bxh6 Bg4 21.Qe3 Qb7 22.Qg5 Qxb2+ 23.Kd2 Bf8 24.Rb1 Qxc3+ 25.Kxc3
Ne4+ 26.Kd3 Nxg5 27.Bxg5
-+ (-1.74) Depth: 9 00:00:00 158kN
µ (-0.91) Depth: 11 00:00:10 3910kN
19...Bxa3 20.Bxe5 Bxb2+ 21.Kd2 Qb6 22.Rh4 Bxc3+ 23.Bxc3 Nxd5 24.Be5 Rb7 25.Ke2
Be6 26.Rb1 Qa6+ 27.c4
µ (-1.06) Depth: 11 00:00:10 3911kN
µ (-0.72) Depth: 12 00:00:16 6325kN
19...Bd6 20.Bxh6 Bg4 21.Qe3
µ (-0.87) Depth: 12 00:00:21 8149kN
µ (-0.87) Depth: 13 00:00:37 14657kN
19...Bxa3 20.Bxe5 Bxb2+ 21.Kd2 Qb6 22.Rh4 a3 23.Ke2 Re8 24.Kf1 Bxc3 25.Bxc3 Qb5+
26.Bc4 Rxe1+ 27.Bxe1 Qb7 28.Bc3
µ (-0.72) Depth: 14 00:01:56 47252kN
µ (-0.86) Depth: 15 00:09:13 235024kN
(Utzinger, MyTown 30.03.2002)
--------------------------------------------------------------------------------------------
Hiarcs 7.32 - Chess Tiger 14.0
rr4k1/2qbbpp1/2p2n1p/3Pp2P/p4B2/P1N2Q2/BPP2PP1/2K1R2R b - - 0 1
Analysis by Junior 7:
19...cxd5 20.Bxe5 Bd6 21.Bxf6 gxf6
± (1.25) Depth: 3 00:00:00 1kN
19...exf4 20.Rxe7 cxd5 21.Bxd5
± (0.98) Depth: 3 00:00:00 1kN
19...Ng4 20.Bc4 cxd5
² (0.44) Depth: 3 00:00:00 2kN
19...Nxd5 20.Nxd5 cxd5 21.Bxd5
= (0.22) Depth: 3 00:00:00 3kN
19...Bxa3 20.bxa3 exf4
= (0.13) Depth: 3 00:00:00 3kN
19...Qb6 20.Nd1 Bg4 21.Qc3 exf4 22.Rxe7 cxd5 23.Qe5
³ (-0.39) Depth: 3 00:00:00 4kN
= (-0.25) Depth: 6 00:00:00 32kN
19...Bd6 20.Bxh6 Qb6 21.Nd1 Bg4 22.Qe3 gxh6 23.Qxh6 Bxd1 24.Qg5+ Kh7 25.Qxf6
Qxb2+ 26.Kxd1 Qa1+ 27.Ke2 Qxa2 28.Qxf7+
³ (-0.33) Depth: 6 00:00:00 42kN
= (0.00) Depth: 12 00:00:04 4713kN
19...Bxa3 20.Bxe5 Bxb2+ 21.Kd2 Qa5 22.Bxf6 gxf6 23.Re3 cxd5 24.Qxd5 Qxd5+
25.Bxd5 Ra5 26.Rd1 Rc5 27.g3
³ (-0.51) Depth: 12 00:00:16 19543kN
³ (-0.44) Depth: 16 00:05:19 353745kN
(Utzinger, MyTown 30.03.2002)
--------------------------------------------------------------------------------------------
Hiarcs 7.32 - Chess Tiger 14.0
rr4k1/2qbbpp1/2p2n1p/3Pp2P/p4B2/P1N2Q2/BPP2PP1/2K1R2R b - - 0 1
Analysis by Shredder Paderborn:
19...exf4 20.Rxe7
± (0.86) Depth: 1/2 00:00:00
± (0.86) Depth: 1/2 00:00:00
19...cxd5 20.Bxe5
² (0.58) Depth: 1/2 00:00:00
² (0.55) Depth: 1/2 00:00:00
19...Qb6
² (0.50) Depth: 1/2 00:00:00
² (0.50) Depth: 1/2 00:00:00
19...Bxa3 20.Bxe5 Bxb2+ 21.Kd1 Qa5 22.Bxb8 Rxb8 23.dxc6 Bxc3 24.cxd7 Bxe1
25.Rxe1
² (0.41) Depth: 1/2 00:00:00
³ (-0.53) Depth: 4/8 00:00:00
19...Qb6 20.Nd1 Bg4 21.Qe3 Bxd1 22.Qxb6 Rxb6 23.Kxd1 Rxb2
³ (-0.54) Depth: 4/8 00:00:00
µ (-0.86) Depth: 4/8 00:00:00
19...Bg4 20.Bxe5 Qb7 21.Qd3 Qxb2+ 22.Kd2 Rd8 23.f3 Be6 24.Bd4 cxd5 25.Nxd5 Qxa2
26.Nxe7+ Kf8
µ (-0.88) Depth: 4/8 00:00:00
µ (-0.81) Depth: 10/20 00:00:04 1279kN
19...Bxa3 20.Bxe5 Bxb2+ 21.Kd2 Qb6 22.Bxf6 gxf6 23.Qxf6 Bxc3+ 24.Qxc3 Qxf2+
25.Re2 Qf4+ 26.Qe3 Qg4 27.Rf1 Re8
µ (-0.82) Depth: 10/20 00:00:10 2640kN
µ (-1.00) Depth: 14/28 00:04:46 76425kN
(Utzinger, MyTown 30.03.2002)
--------------------------------------------------------------------------------------------
[Event "OP 2002 Ath 1.3/64"]
[Site "Zurich"]
[Date "2002.03.30"]
[Round "16.3"]
[White "Hiarcs 7.32"]
[Black "Chess Tiger 14.0"]
[Result "1-0"]
[ECO "B89"]
[PlyCount "106"]
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 a6 8. Qe2
Qc7 9. O-O-O Be7 10. Bb3 O-O {
Start of game: Nunn position 1 Sicilian Defence, Velimirovic} 11. Nxc6 bxc6 12.
h4 d5 13. h5 h6 14. Qf3 a5 15. a3 a4 16. Ba2 Bd7 17. Rde1 Rfb8 18. Bf4 e5 19.
exd5 Bd6 20. Bxh6 Bg4 21. Qe3 gxh6 22. Qxh6 Nh7 23. dxc6 Kh8 24. Rh4 Bf5 25.
Qe3 Be7 26. Qxe5+ Qxe5 27. Rxe5 Bxh4 28. Rxf5 Bf6 29. c7 Rb6 30. Rb5 Rxb5 31.
Nxb5 Be5 32. Bd5 Rc8 33. Bb7 Rxc7 34. Nxc7 Bxc7 35. g4 Kg7 36. Bc6 Kh6 37. Bxa4
Nf6 38. f3 Nxh5 39. Be8 Ng3 40. Bxf7 Kg5 41. Kd2 Bf4+ 42. Kd1 Nf1 43. Ke2 Ng3+
44. Kf2 Kf6 45. Bc4 Nf5 46. gxf5 Bc1 47. Be6 Bxb2 48. a4 Bc3 49. Ke3 Ke5 50.
Kd3 Ba5 51. Kc4 Kd6 52. f6 Kxe6 53. Kb5 Bc3 1-0
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