Author: Tony Werten
Date: 23:18:21 09/14/05
Go up one level in this thread
On September 14, 2005 at 17:05:59, Ernst Walet wrote: >Because Zappa 1.1 is SMP and 64 bit, I gave it a try and was pleasant suprised. >One of my favourite chess positions is this one, where Kasparov played Rxd4. >How do other engines do? If your engine finds it please give it a couple of more >plies to see if it holds it. > >Ernst. > > >[D]b2r3r/k4p1p/p2q1np1/NppP4/3p1Q2/P4PPB/1PP4P/1K1RR3 w - - XiniX on PM1.7 13. -32 32 29257478 1. Nc6+ Bxc6 2. Qxd6 Rxd6 3. dxc6 Kb6 4. Re7 Kxc6 5. Rxf7 Re8 6. b3 Re2 7. Bc8 Kd5 8. Bb7+ 14. -36 55 49992480 1. Nc6+ Bxc6 2. Qxd6 Rxd6 3. dxc6 Kb6 4. Re7 Kxc6 5. Rxf7 Re8 6. Kc1 Re2 7. Rd2 Re3 8. Bc8 Kd5 14. -15 104 93913961 1. Rxd4 Bxd5 2. Rxd5 Nxd5 3. Qxf7+ Nc7 4. Re6 Rd7 5. Rxd6 Rxf7 6. Nc6+ Ka8 7. Ne5 Rff8 8. Rc6 Kb7 15. -6 183 164090827 1. Rxd4 Bxd5 2. Rxd5 Nxd5 3. Qxf7+ Nc7 4. Re6 Rd7 5. Rxd6 Rxf7 6. Nc6+ Ka8 7. Ne5 Rg7 8. f4 Re8 9. Bd7 It seems I learned a good lesson from Fruit's code: Less but more debugged knowledge is better than more but less debugged knowledge :) Commenting out a lot of exceptions (and with it a lot of bugs) seems to be one of the best things I did this year. And I was convinced, knowing these exceptions was important :( Tony > >CPU0: AuthenticAMD AMD64 Family 15 Model 43 Stepping 1 2203 MHz >CPU1: AuthenticAMD AMD64 Family 15 Model 43 Stepping 1 2203 MHz >GUI: Tablebases with 5 pieces found! [Cache: 16 MB + internal 13.67 MB] >Engine: Zappa 1.1 (1024 MB) >by Anthony Cozzie > 9.00 0:01 -0.23 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Rxc6 4.c3 dxc3 5.Re7+ Kb6 >6.bxc3 (2.190.136) 1401 > 10.00 0:01 -0.08 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Nd5 4.c3 dxc3 5.c7 f5 >(2.585.518) 1414 > 10.00 0:03 -0.08 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Nd5 4.c3 dxc3 5.c7 f5 >(4.590.886) 1498 > 11.00 0:03 -0.14 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Kb6 4.Re7 Kxc6 5.Rxf7 Re8 >6.c3 (5.088.000) 1507 > 11.00 0:05 -0.14 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Kb6 4.Re7 Kxc6 5.Rxf7 Re8 >6.c3 (8.923.952) 1568 > 12.00 0:07 -0.55 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Kb6 4.Re7 Kxc6 5.Rde1 Nd5 >6.Rxf7 b4 (12.367.553) 1567 > 12.00 0:17 -0.55 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Kb6 4.Re7 Kxc6 5.Rde1 Nd5 >6.Rxf7 b4 (28.349.537) 1621 > 13.00 0:19 -0.29 1.Nc6+ Bxc6 2.Qxd6 Rxd6 3.dxc6 Kb6 4.Re7 Kxc6 5.Rde1 Rf8 >6.f4 Nd7 7.b3 (31.282.737) 1623 > 13.00 0:32 -0.25 1.Rxd4 cxd4 2.Re7+ Kb6 3.Qxd4+ Kxa5 4.b4+ Ka4 5.Qc3 Bxd5 >6.Kb2 Qc5 7.bxc5 Rhe8 (53.481.819) 1643 > 13.00 0:40 -0.20 1.Rxd4 Bxd5 2.Qxd6 Rxd6 3.Rd3 Kb6 4.b4 Re8 5.Rxe8 Nxe8 >6.Rc3 cxb4 7.axb4 (67.094.549) 1676 > 13.00 0:41 -0.20 1.Rxd4 Bxd5 2.Qxd6 Rxd6 3.Rd3 Kb6 4.b4 Re8 5.Rxe8 Nxe8 >6.Rc3 cxb4 7.axb4 (69.988.250) 1676 > 14.00 1:27 -0.08 1.Rxd4 Rhf8 2.Qxd6 Rxd6 3.Rd2 Kb6 4.b4 Rxd5 5.Nb3 cxb4 >6.axb4 Rxd2 7.Nxd2 Re8 (150.876.641) 1721 > 14.00 1:46 -0.08 1.Rxd4 Rhf8 2.Qxd6 Rxd6 3.Rd2 Kb6 4.b4 Rxd5 5.Nb3 cxb4 >6.axb4 Rxd2 7.Nxd2 Re8 (183.700.881) 1719 > 15.00 2:49 -0.23 1.Rxd4 Bxd5 2.Rxd5 Nxd5 3.Qxf7+ Nc7 4.Re6 Rd7 5.Rxd6 Rxf7 >6.Nc6+ Ka8 7.Ne5 Re7 8.f4 Rhe8 (293.486.566) 1734 > 15.00 3:59 -0.23 1.Rxd4 Bxd5 2.Rxd5 Nxd5 3.Qxf7+ Nc7 4.Re6 Rd7 5.Rxd6 Rxf7 >6.Nc6+ Ka8 7.Ne5 Re7 8.f4 Rhe8 (412.069.282) 1721 > 16.00 7:20 -0.15 1.Rxd4 Rhg8 2.Qxd6 Rxd6 3.Rf4 Kb6 4.b4 cxb4 5.axb4 Nxd5 >6.Rxf7 Nxb4 7.Nb3 Bd5 8.Rxh7 Bxf3 (741.746.107) 1684 > 16.00 9:54 -0.15 1.Rxd4 Rhg8 2.Qxd6 Rxd6 3.Rf4 Kb6 4.b4 cxb4 5.axb4 Nxd5 >6.Rxf7 Nxb4 7.Nb3 Bd5 8.Rxh7 Bxf3 (991.280.574) 1666 >best move: Rd1xd4 time: 9:59.797 min n/s: 1.666.541 nodes: 991.280.574
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.