Author: Hans van der Zijden
Date: 06:30:19 11/23/01
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On November 23, 2001 at 08:25:37, Eduard Nemeth wrote: I am known for trying out ingenious Trojan-sacrifices against Programs. The Fritz 7 Engine now has (as Deep Shredder und S5.32) an implemented Anti-Trojan Code (Ok, so has e.g. Crafty as well - but Fritz and Shredder play better)! Compliments also here to Frans Morsch. Here an example of one of my games against Fritz6c, on P600: [D]r2qkb1r/pp3p2/2n1p1pn/1B5p/6b1/2N2N1P/PPPP1PP1/R1BQ1RK1 w kq - 0 9 Analysis Fritz 7 (new Engine): 9.hxg4 hxg4 10.Ne5 Qb6 11.d4 0-0-0 12.Bxc6 bxc6 13.Qe2 +- (2.63) Depth: 8/26 00:00:00 199kN 9.hxg4-- +- (2.35) Depth: 9/24 00:00:00 213kN 9.hxg4 hxg4 10.Ne5 Qb6 11.d4 0-0-0 12.Bxc6 bxc6 13.Bxh6 Rxh6 14.Nxf7 Rxd4 +- (1.75) Depth: 9/30 00:00:01 338kN 9.d4 +- (1.79) Depth: 9/30 00:00:03 899kN 9.d4 +- (1.94) Depth: 9/30 00:00:04 1078kN 9.d4 Bf5 10.d5 a6 11.Bg5 Qc7 12.Bf6 Rh7 13.dxc6 axb5 +- (2.00) Depth: 9/30 00:00:06 1611kN 9.d4! +- (2.29) Depth: 10/30 00:00:09 2590kN 9.d4 Bf5 10.d5 a6 11.Ba4 exd5 12.Re1+ Be7 13.Nxd5 Be6 14.c4 Bxd5 +- (2.35) Depth: 10/30 00:00:11 3375kN 9.d4 Bf5 10.d5 a6 11.Ba4 exd5 12.Re1+ Be7 13.Nd4 Qd6 14.Bxh6 Rxh6 15.Nxf5 gxf5 +- (2.32) Depth: 11/30 00:00:24 7455kN (Eduard Nemeth, Stuttgart 23.11.2001) And now the Analysis by Fritz6c: Analysis by Fritz6c: 9.Bxc6+ +- (1.78) Depth: 1/5 00:00:00 9.Bxc6+ bxc6 10.hxg4 hxg4 +- (3.00) Depth: 1/5 00:00:00 9.hxg4 +- (3.34) Depth: 1/5 00:00:00 9.hxg4 hxg4 +- (3.34) Depth: 2/4 00:00:00 9.hxg4 hxg4 10.Ne5 +- (3.38) Depth: 3/10 00:00:00 9.hxg4 Nxg4 10.d3 Bd6 +- (3.47) Depth: 4/11 00:00:00 1kN 9.hxg4 Nxg4 10.d3 Bd6 11.Bg5 +- (3.56) Depth: 5/15 00:00:00 6kN 9.hxg4 hxg4 10.Ne5 Qd6 11.Re1 0-0-0 12.Nxg4 +- (3.38) Depth: 6/16 00:00:00 14kN 9.hxg4 hxg4 10.Ne5 Qd6 11.Qe2 a6 12.Nxc6 axb5 +- (3.38) Depth: 7/18 00:00:00 36kN 9.hxg4 Nxg4 10.d3 Qc7 11.Bg5 f6 12.Bxc6+ bxc6 13.Bd2 +- (3.44) Depth: 8/23 00:00:00 163kN 9.hxg4 Nxg4 10.d3 Qc7 11.Bg5 f6 12.Bxc6+ bxc6 13.Be3 0-0-0 +- (3.31) Depth: 9/25 00:00:01 489kN 9.hxg4 Nxg4 10.d4 Qc7 11.Bxc6+ bxc6 12.Ne4 Bg7 13.Re1 0-0-0 +- (3.31) Depth: 10/29 00:00:03 1201kN 9.hxg4 hxg4 10.Ne5 Rc8 11.Qe2 Bg7 12.d3 Qh4 13.Bf4 g5 +- (3.28) Depth: 11/30 00:00:10 4041kN 9.hxg4-- +- (2.97) Depth: 12/37 00:00:20 8252kN 9.hxg4 hxg4 10.Ne5 Qh4 11.g3 Qh5 12.Bxc6+ bxc6 +- (2.16) Depth: 12/37 00:00:34 14105kN 9.d4 +- (2.19) Depth: 12/37 00:01:01 25842kN (Eduard Nemeth, Stuttgart 23.11.2001) As you can see, the new Fritz 7 Engine recognises such dangers much earlier (almost immediately)! This is just one example, I can give you more of these examples. Eduard
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