Author: Richard Heldmann
Date: 18:01:45 11/21/05
Go up one level in this thread
On November 21, 2005 at 14:55:58, Arifur Rahman wrote:
>The position after 39 Qg3 seems to be a difficult for the chess programs, not
>only for Fritz 9.
>
>I checked the position with Shredder 9.
>
>After 8 minutes at depth 19 Shredder 9 likes the move 39...Bc2?? also. Shredder
>rates the move as the second best (with eval -2.6) after the first choice Qg3.
>
>Maybe both Fritz and Shredder would discard the move totally with faster
>hardware at deeper depth. Maybe Fritz didnt have enough time at move 39, just
>before the time control.
>
>
>/Arifur
I can't agree, on my machine the analysis by Shredder 9.1 UCI seems clear.
Fritz 9 has a problem with this position.
6k1/5p2/pn1p4/N2p2p1/PP1Pp2q/1BrbP1QP/6K1/4R3 b - -
Engine: Shredder 9 UCI (256 MB)
by Stefan Meyer-Kahlen
1/02 0:00 +0.81-- 1...Qxg3+ (2)
1/02 0:00 +0.81 1...Qxg3+ (5)
1/07 0:00 +0.84++ 1...Rc7 (50)
1/07 0:00 +0.97 1...Rc7 2.Qxh4 gxh4 (59)
1/11 0:00 +1.24++ 1...Qh6 (173)
1/11 0:00 +1.24 1...Qh6 (174)
2/05 0:00 +1.01 1...Qh6 2.Rg1 (244)
2/05 0:00 +1.42++ 1...Qxg3+ (271)
2/05 0:00 +1.42 1...Qxg3+ 2.Kxg3 f5 (299)
3/07 0:00 +1.28 1...Qxg3+ 2.Kxg3 f5 3.h4 (560)
3/08 0:00 +1.33++ 1...Qh6 (904)
3/08 0:00 +1.43 1...Qh6 2.Rg1 f5 (1.026)
3/08 0:00 +1.52++ 1...Bc2 (1.653)
3/08 0:00 +2.03++ 1...Bc2 (1.782)
3/09 0:00 +2.18 1...Bc2 2.Qxh4 gxh4 3.Ba2 Bxa4 (1.886)
4/09 0:00 +2.18 1...Bc2 2.Qxh4 gxh4 3.Ba2 Bxa4 (2.273)
5/10 0:00 +2.43++ 1...Bc2 2.Qxh4 (3.396)
5/12 0:00 +2.45 1...Bc2 2.Qxh4 gxh4 3.Rc1 Rxb3
4.Rxc2 (3.898) 243
6/14 0:00 +2.38 1...Bc2 2.Qxh4 gxh4 3.Bxc2 Rxc2+
4.Kf1 Nxa4 5.Nb7 Rb2 (9.632) 301
7/17 0:00 +2.13-- 1...Bc2 2.Qxh4 (24.052) 304
7/17 0:00 +1.69 1...Bc2 2.Qxh4 gxh4 3.Rc1 Rxb3
4.Nxb3 Bxb3 5.Rc6 Nxa4 6.Rxa6 (27.421) 347
7/19 0:00 +1.70++ 1...Qxg3+ (34.506) 313
7/19 0:00 +2.04 1...Qxg3+ 2.Kxg3 f5 3.Rg1 Bc4 (46.309) 328
8/20 0:00 +2.25 1...Qxg3+ 2.Kxg3 f5 3.Kf2 Bc2 4.Bxc2 Rxc2+
5.Kg3 Nc4 6.Nb7 Kf7 (88.086) 402
9/22 0:00 +2.00-- 1...Qxg3+ 2.Kxg3 (111.008) 417
9/22 0:00 +1.90 1...Qxg3+ 2.Kxg3 f5 3.Kf2 Kg7 4.Bd1 Ra3
5.Nb7 Ra2+ 6.Kg3 Nxa4 7.Nxd6 (135.599) 412
9/22 0:00 +1.91++ 1...Bc2 (153.881) 427
9/22 0:00 +1.98 1...Bc2 2.Qxh4 gxh4 3.Rc1 Rxb3
4.Nxb3 Bxb3 5.Rc6 Nxa4 6.Rxa6 Nc3
7.Rxd6 (162.760) 416
10/20 0:00 +1.73-- 1...Bc2 2.Qxh4 (201.540) 429
10/25 0:00 +1.60 1...Bc2 2.Qxh4 gxh4 3.Rc1 Rxb3
4.Nxb3 Bxb3 5.Rc6 Nc4 6.Rxa6 Nxe3+
7.Kf2 Nd1+ 8.Ke1 Kf8 9.Rxd6 Bxa4 (239.915) 438
10/25 0:00 +1.61++ 1...Qxg3+ (248.120) 428
10/25 0:00 +1.95 1...Qxg3+ 2.Kxg3 f5 3.Kf2 Kg7 4.Bd1 f4
5.exf4 gxf4 6.Rg1+ Kh6 7.h4 Bc2
8.Be2 (297.394) 442
11/29 0:01 +2.19 1...Qxg3+ 2.Kxg3 f5 3.Kf2 Kg7 4.Bd1 f4
5.exf4 gxf4 6.h4 Bc2 7.Rg1+ Kf6
8.Be2 Rh3 (591.968) 485
12/34 0:02 +2.43 1...Qxg3+ 2.Kxg3 f5 3.Rg1 f4+ 4.Kg4 f3 (1.306.045) 519
13/33 0:04 +2.44 1...Qxg3+ 2.Kxg3 f5 3.Rg1 f4+ 4.Kh2 fxe3
5.Rxg5+ Kf7 6.Rg1 Bc4 7.Bxc4 dxc4
8.h4 Nxa4 9.Kg3 d5 10.h5 (2.164.867) 526
14/33 0:06 +2.40 1...Qxg3+ 2.Kxg3 f5 3.Rg1 f4+ 4.Kh2 fxe3
5.Rxg5+ Kf7 6.Rg1 Bc4 7.Bxc4 dxc4
8.b5 axb5 9.axb5 Ra3 10.Nc6 Rb3
11.Rf1+ Ke6 (3.560.986) 534
15/34 0:11 +2.64 1...Qxg3+ 2.Kxg3 f5 3.Rg1 f4+ 4.Kh2 fxe3
5.Rxg5+ Kh7 6.Rg1 Bc2 7.Bxc2 Rxc2+
8.Kg3 Nxa4 (6.374.538) 532
16/36 0:19 +2.70 1...Qxg3+ 2.Kxg3 f5 3.Rg1 f4+ 4.Kh2 fxe3
5.Rxg5+ Kh7 6.Rg1 Bc2 7.Bxc2 Rxc2+
8.Kg3 Nxa4 9.Kf4 Rh2 10.Kg3 Rf2
11.Nc6 Nc3 (10.483.308) 539
17/38 0:35 +2.75 1...Qxg3+ 2.Kxg3 f5 3.Rg1 f4+ 4.Kh2 fxe3
5.Rxg5+ Kf7 6.Rg1 Bc2 7.Bxc2 Rxc2+
8.Kg3 Nxa4 9.Kf4 Rf2+ 10.Kxe3 Rf3+
11.Kd2 Rd3+ 12.Ke1 Rxh3 13.Nc6 Nc3 (19.153.075) 533
18/43 1:11 +2.83 1...Qxg3+ 2.Kxg3 f5 3.Rg1 f4+ 4.Kh2 fxe3
5.Rxg5+ Kf7 6.Rg1 Bc2 7.Bxc2 Rxc2+
8.Kg3 Nxa4 9.Kf4 Rf2+ 10.Kxe3 Rf3+
11.Kd2 Rxh3 12.Nc6 Rd3+ (37.209.711) 522
19/44 2:30 +3.02 1...Qxg3+ 2.Kxg3 f5 3.Rg1 f4+ 4.Kh2 fxe3
5.Rxg5+ Kf7 6.Rg1 Bc2 7.Bxc2 Rxc2+
8.Kg3 Nxa4 9.Rh1 Nb2 (77.377.667) 513
20/50 5:23 +3.17 1...Qxg3+ 2.Kxg3 f5 3.Kf2 f4 4.Bd1 Bc2
5.Bxc2 Rxc2+ 6.Re2 Rxe2+ 7.Kxe2 f3+
8.Ke1 (164.580.292) 508
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