Author: Mike Hood
Date: 12:30:27 12/03/02
Go up one level in this thread
On December 03, 2002 at 15:11:20, Mike Hood wrote: >On December 03, 2002 at 14:20:12, Ingo Bauer wrote: > >>On December 03, 2002 at 13:06:05, Art Basham wrote: >> >>>Here white played Rxh5 and went on to win...! >>>My computer is too slow to find this one...it is about 14 or 15 ply deep... >>>maybe more...:-) >>> >>>[D]r1r2k2/1q1n1p2/3PpPp1/4P2p/pbpN3R/2N3K1/1P2Q2P/3R4 w - - >> >>Engine: Ruffian 1.0.1 >>by Perola Valfridsson >> 8.00 0:01 -0.24++ 1.Qe3 (1.295.057) 1166.7 >> 8.01 0:01 -0.19 1.Qe3 Ke8 2.Nf3 Bxc3 3.Qxc3 Qb5 4.Rc1 Rab8 5.Rc2 >>(1.592.440) 1170.9 >> 9.01 0:02 -0.45 1.Qe3 Ke8 2.Nf3 a3 3.Qh6 Nc5 4.Qh8+ Kd7 5.Qg7 Bxc3 6.bxc3 >>Ne4+ 7.Kh3 (3.014.698) 1155.0 >> 9.31 0:06 +0.10 1.Rxh5 gxh5 2.Qxh5 Nxf6 3.exf6 Bxd6+ 4.Kh4 Ke8 5.Nxe6 Rc6 >>6.Ng7+ Kd8 7.Qe5 (7.358.068) 1186.7 >> 10.01 0:07 +0.45++ 1.Rxh5 (8.553.078) 1181.3 >> 10.01 0:08 +1.02 1.Rxh5 gxh5 2.Qxh5 Nxf6 3.exf6 Bxd6+ 4.Kh3 Ke8 5.Ncb5 Ra6 >>6.Nxe6 Qb8 7.Qh8+ Kd7 (9.919.104) 1183.6 >> 11.01 0:14 +0.78 1.Rxh5 gxh5 2.Qxh5 Nxf6 3.exf6 Bxd6+ 4.Kh3 Ke8 5.Ncb5 Ra6 >>6.Nxe6 Qb8 7.Nxd6+ Rxd6 8.Ng7+ Kd8 9.Rxd6+ Qxd6 10.Qxf7 (17.823.987) 1227.5 >> 12.01 0:23 +1.13++ 1.Rxh5 (28.199.931) 1213.4 >> 12.01 1:18 +2.76 1.Rxh5 Kg8 2.Qe3 Nxf6 3.exf6 Bxd6+ 4.Kh3 Bf8 5.Rg1 Rd8 >>6.Rh4 Ra6 7.Rg2 Bd6 (96.517.488) 1236.1 >> 13.01 2:01 +2.64 1.Rxh5 Kg8 2.Qe3 Nxf6 3.exf6 Bxd6+ 4.Kh3 Bf8 5.Rb5 Qd7 >>6.Nf3 Bd6 7.Re5 Rab8 8.Qd4 (148.749.014) 1228.7 >> 14.01 4:54 +2.69 1.Rxh5 Kg8 2.Kh3 Nxe5 3.Rg1 Rc5 4.Qd2 Ng4 5.Rxc5 Bxc5 >>6.Rxg4 Bxd6 7.Qh6 Bf8 8.Qd2 a3 (354.614.886) 1203.7 >> 15.01 19:49 +3.00 1.Rxh5 Kg8 2.Rh4 Nxf6 3.exf6 Bxd6+ 4.Kh3 Ra5 5.Ne4 Bf8 >>6.Nxe6 fxe6 7.Nd6 Qb3+ 8.Kg4 c3 9.Nxc8 cxb2 10.Rb1 (1.393.441.899) 1171.2 >>best move: Rh4xh5 time: 25:43.219 min n/s: 1.186.775 CPU 99.0% nodes: >>1.831.455.771 >> >>Bye Ingo > >Fritz 7 doesn't rate his winning chances as highly as Ruffian, but still chooses >RxP after 6 seconds on my Pentium 3 733 MHz. > >Analysis by Fritz 7: > >1.Qe2-e3 a4-a3 2.Nc3-b5 a3xb2 3.Qe3-h6+ Kf8-e8 4.Qh6-h8+ Nd7-f8 5.Nb5-c7+ Rc8xc7 > ³ (-0.37) Depth: 6/26 00:00:00 82kN >1.Qe2-e3 Bb4xc3 2.b2xc3 Qb7-d5 3.Rh4-e4 Kf8-g8 4.Rd1-d2 Rc8-b8 > ³ (-0.31) Depth: 7/28 00:00:00 142kN >1.Qe2-e3 Kf8-e8 2.Nc3-b5 Bb4-c5 3.Nb5-c7+ Rc8xc7 4.d6xc7 Qb7xb2 > ³ (-0.31) Depth: 8/26 00:00:00 316kN >1.Qe2-e3 Kf8-e8 2.Rd1-a1 Bb4xc3 3.Qe3xc3 Nd7-c5 4.Qc3-c2 Qb7-d5 5.Nd4-f3 Nc5-d3 > ³ (-0.44) Depth: 9/29 00:00:03 989kN >1.Rh4xh5! > ³ (-0.41) Depth: 9/30 00:00:06 2092kN >1.Rh4xh5! > = (-0.25) Depth: 9/30 00:00:07 2358kN >1.Rh4xh5 g6xh5 2.Qe2xh5 Nd7xf6 3.e5xf6 Bb4xd6+ 4.Kg3-h3 Kf8-e8 5.Nd4xe6 Rc8-c6 >6.Rd1-g1 Bd6-f8 > = (0.00) Depth: 9/30 00:00:09 2902kN >1.Rh4xh5 g6xh5 2.Qe2xh5 Nd7xf6 3.e5xf6 Bb4xd6+ 4.Kg3-h3 Kf8-e8 5.Nd4xe6 Ra8-a6 >6.Rd1-g1 Rc8-b8 7.Rg1-g8+ Ke8-d7 8.Rg8xb8 > = (0.00) Depth: 10/32 00:00:12 4081kN >1.Rh4xh5! > ² (0.28) Depth: 11/36 00:00:26 9504kN >1.Rh4xh5! > ² (0.56) Depth: 11/36 00:00:34 12556kN >1.Rh4xh5! > ± (1.13) Depth: 11/37 00:00:45 16947kN >1.Rh4xh5 Nd7xf6 2.e5xf6 Bb4xd6+ 3.Kg3-h3 Kf8-g8 4.Qe2-e3 Bd6-f8 5.Rh5-b5 Qb7-d7 >6.Kh3-g2 Bf8-c5 7.Qe3-e5 > +- (1.88) Depth: 11/37 00:01:34 35420kN >1.Rh4xh5 Nd7xf6 2.e5xf6 Bb4xd6+ 3.Kg3-h3 Kf8-g8 4.Rd1-g1 Rc8-e8 5.Qe2-f2 Bd6-f8 >6.Qf2-h4 Bf8-g7 7.Rh5-b5 > +- (1.66) Depth: 12/38 00:02:28 55181kN Shredder Paderborn decides on RxP after 75 seconds, but he needs a further three minutes to realise he has the advantage. Note the flip from the -1.29 to the +1.28 score. (I had to clip the start of this analysis... Shredder generates a lot of noise). Analysis by Shredder 6.02: 1.Nc3-a2 a4-a3 2.Qe2-f3 Qb7xf3+ 3.Nd4xf3 a3xb2 4.Rd1-a1 b2xa1Q -+ (-1.77) Depth: 7/14 00:00:01 112kN 1.Nc3-a2 a4-a3 2.Rd1-b1 Kf8-e8 3.b2xa3 Ra8xa3+ 4.Kg3-f2 Ke8-d8 -+ (-1.77) Depth: 7/14 00:00:01 137kN 1.Nc3-b1 a4-a3 2.b2xa3 Bb4-e1+ 3.Rd1xe1 Qb7-f3+ 4.Qe2xf3 -+ (-1.76) Depth: 7/14 00:00:01 219kN 1.Nc3-b1 a4-a3 2.b2xa3 Bb4xa3 3.Nb1xa3 Ra8xa3+ 4.Nd4-f3 Nd7-b6 5.Rh4-d4 -+ (-1.76) Depth: 7/14 00:00:01 232kN 1.Nc3-b1 a4-a3 2.b2xa3 Bb4xa3 3.Nb1xa3 Ra8xa3+ 4.Kg3-f2 Ra3-a5 5.Nd4-f3 Qb7-b6+ 6.Rh4-d4 c4-c3 -+ (-1.90) Depth: 8/16 00:00:03 464kN 1.Nc3-a2 a4-a3 2.Rd1-b1 Kf8-e8 3.b2xa3 Ra8xa3+ 4.Kg3-f2 Ke8-d8 -+ (-1.89) Depth: 8/16 00:00:04 495kN 1.Nc3-a2 a4-a3 2.Na2xb4 Qb7xb4 3.b2xa3 Ra8xa3+ 4.Nd4-f3 Qb4-b3 5.Kg3-g2 Ra3-a2 6.Nf3-d2 -+ (-1.76) Depth: 8/16 00:00:04 601kN 1.Nd4-b5 Ra8-a5 2.Rh4xc4 Rc8xc4 3.Qe2xc4 Nd7xe5 4.Qc4xb4 Qb7-f3+ 5.Kg3-h4 Qf3xf6+ 6.Kh4-g3 Qf6-f2+ 7.Kg3xf2 Ne5-g4+ 8.Qb4xg4 -+ (-1.75) Depth: 8/16 00:00:06 812kN 1.Nd4-b5 Rc8-c5 2.Rh4xc4 Rc5xe5 3.Rc4-e4 Bb4xc3 4.Nb5xc3 Re5-g5+ 5.Kg3-h4 Rg5-f5 6.Qe2-d3 -+ (-1.42) Depth: 8/16 00:00:07 1015kN 1.Nd4-b5 Bb4xc3 2.Nb5xc3 a4-a3 3.b2xa3 Ra8xa3 4.Qe2-e3 Kf8-e8 5.Rh4xh5 g6xh5 6.Kg3-f2 -+ (-1.67) Depth: 9/18 00:00:11 1581kN 1.Nd4-b5 Bb4xc3 2.Nb5xc3 a4-a3 3.Rh4xh5 Kf8-g8 4.Rh5-g5 a3xb2 5.Kg3-f4 Ra8-a1 6.Qe2-c2 -+ (-2.02) Depth: 9/18 00:00:13 1798kN 1.Nc3-b1 a4-a3 2.b2xa3 Bb4xa3 3.Nb1xa3 Ra8xa3+ 4.Kg3-f2 Ra3-a5 5.Nd4-f3 c4-c3 6.Qe2-e3 -+ (-2.01) Depth: 9/18 00:00:14 1911kN 1.Nc3-b1 Ra8-a5 2.Nd4-f3 c4-c3 3.Qe2-e4 Qb7xe4 4.Rh4xe4 c3-c2 5.Rd1-c1 Ra5-b5 6.Kg3-h4 -+ (-1.92) Depth: 9/18 00:00:17 2401kN 1.Nc3-a2 a4-a3 2.Na2xb4 Qb7xb4 3.b2xa3 Ra8xa3+ 4.Nd4-f3 Qb4-b3 5.Kg3-g2 Kf8-e8 6.Rh4-e4 -+ (-1.91) Depth: 9/18 00:00:17 2441kN 1.Nc3-a2 Bb4-c5 2.Nd4-f3 a4-a3 3.Rh4xc4 a3xb2 4.Rd1-b1 Ra8xa2 5.Rb1-c1 b2xc1Q -+ (-1.91) Depth: 9/18 00:00:21 2883kN 1.Nc3-a2 a4-a3 2.Na2xb4 Qb7xb4 3.b2xa3 Ra8xa3+ 4.Kg3-g2 Qb4-b7+ 5.Kg2-g1 Rc8-c5 6.Rh4-e4 Qb7-b6 7.Nd4xe6+ f7xe6 -+ (-2.01) Depth: 10/20 00:00:33 4440kN 1.Nd4-b5 Bb4xc3 2.Nb5xc3 a4-a3 3.Rh4xh5 Kf8-g8 4.Rh5-g5 a3xb2 5.Rd1-b1 Ra8-b8 -+ (-2.00) Depth: 10/20 00:00:42 5749kN 1.Nd4-b5 Bb4xc3 2.Nb5xc3 a4-a3 3.Rh4xh5 Kf8-g8 4.Rh5-g5 a3xb2 5.Rd1-b1 Nd7-b6 6.Qe2xb2 -+ (-1.65) Depth: 10/20 00:00:48 6541kN 1.Nd4-b5 Kf8-g8 2.Kg3-h3 Rc8-c5 3.Rh4xh5 g6xh5 4.Rd1-g1+ Kg8-f8 5.Qe2-g2 Qb7xg2+ 6.Kh3-h4 -+ (-1.65) Depth: 10/20 00:01:03 8719kN 1.Rh4xh5 g6xh5 2.Qe2xh5 Kf8-e8 3.Nd4xe6 Nd7-f8 4.Ne6xf8 Qb7-b6 5.Qh5-h8 Qb6-e3+ 6.Kg3-g2 Bb4xc3 -+ (-1.64) Depth: 10/20 00:01:15 10277kN 1.Rh4xh5 g6xh5 2.Qe2xh5 Kf8-e8 3.Nd4xe6 Nd7-f8 4.Ne6xf8 Ke8xf8 5.d6-d7 a4-a3 µ (-1.29) Depth: 10/20 00:01:16 10477kN 1.Rh4xh5 Nd7xf6 2.e5xf6 Bb4xd6+ 3.Kg3-h3 Kf8-g8 4.Qe2-e3 Bd6-f8 5.Rh5-b5 Qb7-a6 6.Rd1-a1 a4-a3 7.b2xa3 Bf8xa3 8.Nc3-e4 ± (1.28) Depth: 10/20 00:04:16 37123kN 1.Rh4xh5 Nd7xf6 2.e5xf6 Bb4xd6+ 3.Kg3-h3 Kf8-g8 4.Nd4xe6 Rc8-e8 5.Rd1xd6 g6xh5 6.Qe2-d1 f7xe6 7.Rd6-d7 Qb7xb2 8.f6-f7+ Kg8-h8 9.f7xe8Q+ +- (1.53) Depth: 11/22 00:04:59 43422kN 1.Rh4xh5 Nd7xf6 2.e5xf6 Bb4xd6+ 3.Kg3-h3 Kf8-g8 4.Nd4xe6 Rc8-e8 5.Rd1xd6 g6xh5 6.Qe2-d1 f7xe6 7.Rd6-d7 Qb7xb2 8.f6-f7+ Kg8-h7 9.f7xe8Q+ Kh7-h6 +- (2.03) Depth: 11/22 00:05:19 46219kN 1.Rh4xh5 Nd7xf6 2.e5xf6 Bb4xd6+ 3.Kg3-h3 Kf8-g8 4.Nd4xe6 a4-a3 5.Qe2-e3 Bd6-f4 6.Qe3xf4 Qb7xb2 7.Qf4-g3 +- (2.23) Depth: 11/22 00:06:07 53767kN
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