Author: Roy Brunjes
Date: 17:57:00 01/15/03
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On January 15, 2003 at 20:26:03, ALI MIRAFZALI wrote: >The follwing position is from the Correspondence Game between Alik Zilberberg >(2590) and the 8th World Correspondence Champion Jorn Sloth (2620) of Denmark >[D]r2nnk2/2pb4/3p1p2/1q1Pp1p1/2N1P1Pp/1NQ4P/4BP2/1R4K1 w >Alik Zilberberg played 39.Nxe5!! and the former World Champion Resigned after >39....Qxe2 40.Nxd7+ Ke7 41.Rel Qb5 42.Nxf6 Nxf6 43.e5 dxe5 44.Rxe5+ Kf7 45.Rxg5 >Qb6 46.Rf5 Kg6 47.Nc5 Nxd5 48.Rxd5 Qb1+ 49.Kg2 Ra1 50.Rg5+ (1-0) >HIARCS8 finds39.Nxe5!! after 1:42 running at 1800 MHZ.The list of programs that >have failed even after a very long think include:Fritz Chessmaster Mchess Comet >GNU chess and the list keeps growing................... A very interesting position! Correspondence games offer good chances for really tough combinations that computers might not find ... Here is Junior 7's analysis (Pentium IV 1.6 GHz 64 MB RAM for hashtables): New game r2nnk2/2pb4/3p1p2/1q1Pp1p1/2N1P1Pp/1NQ4P/4BP2/1R4K1 w - - 0 1 Analysis by Junior 7: 1.f4 gxf4 ³ (-0.51) Depth: 3 00:00:00 1.f3 Qa4 = (0.03) Depth: 3 00:00:00 1.Nxe5 Qxe2 2.Nxd7+ Kg7 ² (0.43) Depth: 3 00:00:00 1.Nxe5 Qxe2 2.Nxd7+ Ke7 3.Re1 Qb5 4.Nxf6 Nxf6 5.Qxc7+ ³ (-0.55) Depth: 6 00:00:00 12kN 1.Kh2 Ra2 2.Rb2 Qa4 3.Rxa2 Qxa2 = (-0.18) Depth: 6 00:00:00 14kN 1.Nbd2 Qc5 2.Nb3 Qa7 3.Ra1 Ba4 = (-0.06) Depth: 6 00:00:00 22kN 1.Bf1 Qb8 2.Bd3 = (0.11) Depth: 6 00:00:00 23kN 1.Bf1 Qb8 2.Nbd2 Qa7 3.Be2 Qa2 = (-0.04) Depth: 9 00:00:00 46kN 1.Bd3 Qa4 2.Ra1 Qxb3 3.Qxb3 Rxa1+ 4.Kh2 Re1 = (0.03) Depth: 9 00:00:00 230kN 1.Bd3 Qb8 2.Nc5 Qc8 3.Nxd7+ Qxd7 4.Ra1 Ra4 5.Be2 Rxa1+ 6.Qxa1 = (0.16) Depth: 12 00:00:00 530kN 1.Bd3 Qb8 2.Nc5 Qc8 3.Nxd7+ Qxd7 4.Ne3 c6 5.Nf5 cxd5 6.exd5 = (0.23) Depth: 15 00:00:07 5978kN 1.Nxe5! ² (0.46) Depth: 15 00:00:35 28847kN 1.Nxe5 Qxe2 2.Nxd7+ Ke7 3.Re1 Qb5 4.Nxf6 Nxf6 5.e5 dxe5 6.Rxe5+ Kf7 7.d6 Qc6 8.Re7+ Kg6 9.Qd3+ Kh6 10.Rxc7 ² (0.46) Depth: 17 00:03:18 158195kN (Brunjes, Mytown 15.01.2003) And here is what CM9000 says (Personality = "Tactical"): Time Depth Score Positions Moves 0:27 1/11 1.27 3741127 1.Bd3 Qb7 2.Nc5 Qc8 3.Nxd7+ Qxd7 4.Ne3 Qa4 5.Nf5 Qa3 6.Qc2 Nf7 0:56 1/12 1.19 8085008 1.Bd3 Qb7 2.Nc5 Qc8 3.Nxd7+ Qxd7 4.Ne3 Qa4 5.Nf5 Nf7 6.Kh2 Qa2 7.Kg2 1:11 1/12 1.58 10629237 1.Nxe5 Qxe2 2.Nxd7+ Ke7 3.Re1 Qa6 4.Nxf6 Nxf6 5.Qxc7+ Ke8 6.Qg7 Qd3 7.Re3 Qb1+ 8.Kg2 Qb2 9.Qxg5 2:34 2/13 1.77 23797391 1.Nxe5 Qxe2 2.Nxd7+ Kf7 3.Nd4 Qa2 4.Qb3 Qd2 5.Rd1 Qa2 6.Qb4 Qa3 7.Qxa3 Rxa3 8.Kg2 5:39 3/14 1.81 53509261 1.Nxe5 Qxe2 2.Nxd7+ Kf7 3.Nd4 Qa2 4.Qd3 Ra3 5.Rb3 Qa1+ 6.Kg2 Ra4 7.e5 Qxd4 8.Qh7+ Ng7 9.e6+ Nxe6 10.dxe6+ Kxe6 11.Qxg7 Roy
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