Author: bobby palacios
Date: 08:52:06 02/09/03
Go up one level in this thread
On February 09, 2003 at 09:33:03, David Rasmussen wrote: >What would your engine play here, and if not the suggested move, then why not? > >[D]2r5/p4pk1/3p2p1/Pp2p3/1P1nP1P1/q2P3P/2r3B1/1R2QR1K b - - 0 33 > >33... Rxg2 > p4 2.47ghz (128mb hash): Analysis by Shredder 7: 1...Rxg2 2.Kxg2 Qxd3 3.Rc1 Rc2+ 4.Rxc2 Nxc2 5.Kg1 Nxe1 6.Rxf7+ Kxf7 -+ (-1.54) Depth: 8/25 00:00:01 394kN 1...Rxg2 2.Kxg2 Qxd3 3.Rc1 Rc2+ 4.Rxc2 Nxc2 5.Qb1 Ne3+ 6.Kg1 Qxf1+ 7.Qxf1 Nxf1 8.Kxf1 -+ (-1.70) Depth: 8/25 00:00:01 454kN 1...Ne6 2.Qe3 Nf4 3.Qxa7 Qxd3 4.Rf2 Rxf2 5.Qxf7+ Kxf7 -+ (-1.71) Depth: 8/25 00:00:01 505kN 1...Ne6 2.Qe3 Nf4 3.Rxf4 exf4 4.Qd4+ Kg8 5.Qxd6 Rxg2 6.Qxg6+ fxg6 -+ (-2.05) Depth: 8/25 00:00:01 582kN 1...Ne6 2.Qe3 Nf4 3.Rxf4 exf4 4.Qd4+ Kg8 5.Qxd6 Rxg2 6.Qxf4 Qxd3 7.Kxg2 -+ (-2.30) Depth: 9/27 00:00:02 785kN 1...Ne6 2.Qg3 Nf4 3.Rf2 Rxf2 4.Qxf2 Qxd3 5.Qf1 Qg3 6.Rd1 Qh2+ 7.Kxh2 -+ (-2.30) Depth: 9/27 00:00:03 886kN 1...Ne6 2.Qg3 Nf4 3.Rf2 Qa2 4.Rbf1 Rxf2 5.g5 Nxg2 6.Qxf2 -+ (-2.55) Depth: 10/28 00:00:05 1540kN 1...Ne6 2.Ra1 Qb2 3.Rb1 Qd4 4.Qg3 f6 5.Rb3 Nf4 6.Rxf4 exf4 7.Qxf4 -+ (-2.60) Depth: 10/28 00:00:06 1938kN 1...Ne6 2.Ra1 Qb2 3.Rb1 Qd4 4.Rf3 Nf4 5.Bf1 Nxd3 6.Rxd3 Qxe4+ 7.Qxe4 Rh2+ 8.Kxh2 -+ (-2.35) Depth: 11/28 00:00:08 2519kN 1...Ne6 2.Ra1 Qb2 3.Rb1 Qd4 4.Rf3 Nf4 5.Bf1 g5 6.Qe3 Qxe3 7.Rxe3 Kf6 8.Rf3 -+ (-2.17) Depth: 11/28 00:00:09 2940kN 1...Rxg2 2.Kxg2 Qxd3 3.Rb2 Nc2 4.Qb1 Rc3 5.Rf2 Qxh3+ 6.Kg1 Rg3+ 7.Rg2 Qxg2# -+ (-2.18) Depth: 11/30 00:00:11 3689kN 1...Rxg2 2.Kxg2 Qxd3 3.Rb2 Nc2 4.Qb1 Rc3 5.Rxc2 Rxc2+ 6.Rf2 Qxe4+ 7.Kh2 Rxf2+ 8.Kg3 Qxb1 -+ (-2.53) Depth: 11/31 00:00:12 4000kN 1...Rxg2 2.Kxg2 Qxd3 3.Rc1 Rxc1 4.Qxc1 Qxe4+ 5.Kh2 Qe2+ 6.Kg3 Qd3+ 7.Kg2 Ne2 8.Qe1 Nf4+ 9.Rxf4 exf4 10.Qf2 Qe3 11.Qh4 -+ (-3.12) Depth: 11/33 00:00:18 5947kN 1...Rxg2 2.Kxg2 Qxd3 3.Rc1 Rxc1 4.Qxc1 Qxe4+ 5.Kh2 Qe2+ 6.Kg3 Qd3+ 7.Kg2 Ne2 8.Qe1 Nf4+ 9.Kg1 Qxh3 10.Qe4 Qg3+ 11.Kh1 Qxg4 12.Qb7 d5 13.Qxa7 -+ (-3.24) Depth: 12/34 00:00:32 10586kN 1...Rxg2 2.Kxg2 Qxd3 3.Rc1 Rxc1 4.Qxc1 Qxe4+ 5.Kh2 Qe2+ 6.Kg3 Qd3+ 7.Kg2 Ne2 8.Qe1 Nf4+ 9.Kg1 Qxh3 10.Qe4 Qg3+ 11.Kh1 Qxg4 12.Rg1 Qh3# -+ (-3.49) Depth: 13/38 00:01:09 22886kN 1...Rxg2 2.Kxg2 Qxd3 3.Rc1 Rxc1 4.Qxc1 Qxe4+ 5.Kh2 Qe2+ 6.Kg3 Qd3+ 7.Kg2 Ne2 8.Qe1 Nf4+ 9.Kg1 Qxh3 10.Qe4 Qg3+ 11.Kh1 Qxg4 12.Re1 Qh4+ 13.Kg1 Qg3+ 14.Kf1 -+ (-3.62) Depth: 13/38 00:01:18 26456kN >[D]8/p4pk1/3p2p1/Pp2p3/1P1n2P1/6KP/4q3/2Q2R2 b - - 0 38 > >38... Qc4 > 38... Qd3 looks good also, with the idea of bringing the knight to e2 and then f4, according to Shredder7. Analysis by Shredder 7: 1...Qd3+ 2.Kg2 Ne2 3.Qe1 Nf4+ 4.Rxf4 exf4 5.h4 Qg3+ 6.Qxg3 fxg3 7.Kxg3 d5 -+ (-2.98) Depth: 9/24 00:00:01 363kN 1...Qd3+ 2.Kg2 Ne2 3.Qe1 Nf4+ 4.Rxf4 exf4 5.Qf2 Qe4+ 6.Kf1 Qe3 7.Qg2 f6 -+ (-3.06) Depth: 10/26 00:00:01 647kN 1...Qd3+ 2.Kg2 Ne2 3.Qe1 Nf4+ 4.Rxf4 exf4 5.Qa1+ f6 6.Qe1 Qg3+ 7.Qxg3 fxg3 8.Kxg3 d5 9.Kf3 -+ (-3.12) Depth: 11/28 00:00:03 1257kN 1...Qd3+ 2.Kg2 Ne2 3.Qe1 Nf4+ 4.Rxf4 exf4 5.h4 Qe3 6.Qxe3 f6 7.Qxf4 g5 8.Qxd6 -+ (-2.87) Depth: 12/34 00:00:06 2744kN 1...Qd3+ 2.Kg2 Ne2 3.Qe1 Nf4+ 4.Rxf4 exf4 5.h4 a6 6.Qf2 Qg3+ 7.Qxg3 fxg3 8.h5 -+ (-2.87) Depth: 12/34 00:00:06 2970kN 1...Qd3+ 2.Kg2 Ne2 3.Qe1 Nf4+ 4.Rxf4 exf4 5.Qf2 Qe4+ 6.Kf1 Qxb4 7.Qxa7 Qc4+ 8.Kf2 b4 -+ (-3.08) Depth: 13/35 00:00:14 6156kN 1...Qd3+ 2.Kg2 Ne2 3.Qe1 Nf4+ 4.Rxf4 exf4 5.h4 Qd5+ 6.Kf2 Qb3 7.Qa1+ Kg8 8.Qd4 Qg3+ 9.Ke2 Qxg4+ 10.Kd2 Qxh4 11.Qg7+ Kxg7 -+ (-3.30) Depth: 14/36 00:00:26 11556kN 1...Qd3+ 2.Kg2 Ne2 3.Qe1 Nf4+ 4.Rxf4 exf4 5.h4 Qd5+ 6.Kf2 Qb3 7.Kg2 Qe6 8.Qc3+ Qe5 9.Qd2 Qe3 10.Kh2 Qxd2+ 11.Kh3 Qxb4 -+ (-3.09) Depth: 15/39 00:00:52 23796kN 1...Qd3+ 2.Kg2 Ne2 3.Qe1 Nf4+ 4.Rxf4 exf4 5.h4 a6 6.g5 Kh7 7.Qe7 Qg3+ 8.Kf1 Qh3+ 9.Kf2 Qxh4+ 10.Kg2 Qg4+ 11.Kf2 Qg3+ 12.Kf1 Qh3+ -+ (-3.34) Depth: 16/42 00:01:23 37347kN 1...Qd3+ 2.Kg2 Ne2 3.Qe1 Nf4+ 4.Rxf4 exf4 5.h4 a6 6.h5 Qe3 7.Qxe3 fxe3 8.Kf3 gxh5 9.gxh5 Kh6 -+ (-3.50) Depth: 16/42 00:01:53 50909kN >[D]8/p7/5k2/Pn1ppp2/1Pp4P/5K2/8/6R1 b - - 0 47 > >47... Nd4+ > >/David This one is pretty hard, I only gave Shredder7 3 minutes, and it still likes ... e4+, but it was failing low, so maybe a deeper search would have found it.
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