Author: Janos Keinrath
Date: 01:30:52 02/21/03
Go up one level in this thread
On February 21, 2003 at 04:16:28, David Rasmussen wrote: >On February 21, 2003 at 03:49:48, Janos Keinrath wrote: > >>[D] 4k2r/1pp1bppp/p3bn2/2p3B1/4P3/2N2P2/PPP1N1PP/3K3R b k - >> >>In a blitz game here my program played 1...Ng4? . >> >>Only after few moves 2.Bxe7 Nf2+ 3.Ke1 Nxh1 4.Bxc5 b6 5.Be3 b5 6.a3 >>sees the program the knight is lost. >> >>How much time need your program to avoid the loosing move? > >Well, I don't believe Ng4 in itself is the losing move. Nf2+ is. Chezzz avoids >Nf2+ altogether, probably because of it's trapped piece code: After Ng4, Nf2+ is force. (2...Kxe7?? 3.fxg4 +-) > >time nodes depth score pv >00:00:00.00 14n 01/00/03 +0.205 1... c4 (14) >00:00:00.02 22n 01/00/03 +0.220 1... a5 (22) >00:00:00.02 54n 01/00/03 +0.230 1... Rf8 (54) >00:00:00.03 64n 01/00/03 +0.290 1... Kd7 (64) >00:00:00.03 66n 01/00/03 --------------------------------------------------- >00:00:00.03 107n 02/01/04 +0.190 1... Kd7 2. Bf4 (107) >00:00:00.05 246n 02/01/06 --------------------------------------------------- >00:00:00.05 705n 03/02/07 +0.010 1... Kd7 2. e5 Nd5 3. Bxe7 Kxe7 (705) >00:00:00.05 1062n 03/02/09 +0.190 1... h6 2. Bf4 Kd7 (1062) >00:00:00.08 1836n 03/03/09 --------------------------------------------------- >00:00:00.08 2348n 04/04/09 +0.120 1... h6 2. Bf4 Kd7 3. Kd2 (2348) >00:00:00.11 4756n 04/05/10 --------------------------------------------------- >00:00:00.11 7336n 05/05/09 +0.275 1... h6 2. Bxf6 Bxf6 3. Kd2 Kd7 (7336) >00:00:00.14 13kn 05/07/11 --------------------------------------------------- >00:00:00.16 18kn 06/09/13 +0.120 1... h6 2. Bf4 Kd7 3. Kd2 Rd8 > 4. Rd1 (18922) >00:00:00.21 39kn 06/09/14 --------------------------------------------------- >00:00:00.30 101kn 07/10/15 +0.135 1... h6 2. Be3 O-O 3. Nf4 Rd8+ > 4. Ke2 Bc4+ 5. Nd3 Nd7 (101559) >00:00:00.44 177kn 07/10/15 --------------------------------------------------- >00:00:00.63 299kn 08/12/17 +0.125 1... h6 2. Bf4 Kd7 3. Kd2 Rd8 > 4. Rd1 Kc6+ 5. Ke1 Nd7 (299886) >00:00:00.86 433kn 08/12/17 --------------------------------------------------- >00:00:01.35 757kn 09/12/17 +0.030 1... h6 2. Be3 Bc4 3. Nf4 a5 > 4. Nd3 Nd7 5. Nd5 Bd6 (757450) >00:00:03.49 2146kn 09/14/22 +0.080 1... Kd7 2. Nf4 Bc4 3. b3 Bb5 > 4. a4 Bc6 5. e5 Nd5 > 6. Bxe7 Nxc3+ (2146401) >00:00:03.69 2291kn 09/14/22 +0.130 1... Ng4 2. Bxe7 Ne3+ 3. Kd2 Nc4+ > 4. Kc1 Kxe7 5. Na4 b6 > 6. Rd1 Rd8 7. Rxd8 Kxd8 (2291159) >00:00:03.77 2333kn 09/14/22 --------------------------------------------------- >00:00:04.02 2504kn 10/15/18 +0.185 1... Ng4 2. Bxe7 Ne3+ 3. Kd2 Nc4+ > 4. Kc1 Kxe7 5. Nf4 Rd8 > 6. Ncd5+ Kd6 7. Rd1 Bd7 (2504023) >00:00:04.50 2821kn 10/16/20 --------------------------------------------------- >00:00:04.85 3056kn 11/18/21 +0.130 1... Ng4 2. Bxe7 Ne3+ 3. Kd2 Nc4+ > 4. Kc1 Kxe7 5. Nf4 Rd8 > 6. Ncd5+ Kd6 7. Rd1 Ke5 > 8. Nxe6 fxe6 (3056041) >00:00:09.00 5710kn 11/18/22 --------------------------------------------------- >00:00:10.38 6633kn 12/19/24 +0.065 1... Ng4 2. Bxe7 Ne3+ 3. Kc1 Kxe7 > 4. Nf4 g5 5. Nd3 Nxg2 > 6. Nxc5 Rb8 7. Rg1 Bh3 (6633997) >00:00:24.16 15Mn 12/21/25 --------------------------------------------------- >00:00:26.44 16Mn 13/20/29 +0.000 1... Ng4 2. Bxe7 Ne3+ 3. Kd2 Nc4+ > 4. Kc1 Kxe7 5. Nf4 Rd8 > 6. Nfd5+ Bxd5 7. exd5 Rd7 > 8. Re1+ Kd6 9. Re4 Ne5 (16640417) >00:01:43.60 63Mn 13/24/29 --------------------------------------------------- >00:01:49.46 67Mn 14/26/27 -0.170 1... Ng4 2. Bxe7 Ne3+ 3. Kd2 Nc4+ > 4. Kc1 Kxe7 5. Nf4 Re8 > 6. Rd1 c6 7. b3 Ne5 > 8. Nxe6 Kxe6 9. Kd2 (67350993) >00:02:59.24 110Mn 14/26/28 -0.010 1... Nd7 2. Bxe7 Kxe7 3. Kc1 Rd8 > 4. Rd1 Ne5 5. Rxd8 Kxd8 > 6. Nf4 Ke7 7. Nxe6 Kxe6 > 8. Kd2 (110746057) > >/David
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