Author: Uri Blass
Date: 16:53:45 07/20/04
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On July 20, 2004 at 18:50:25, Uri Blass wrote: I gave yace to analyze the following tree [Event "40'/40"] [Site "MyTown"] [Date "????.??.??"] [Round "?"] [White "New game"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "r1b2rk1/1pq2ppp/p1p1p3/2n1P3/2N2P2/3B4/PPP3PP/R2Q1RK1 w - - 0 1"] [PlyCount "27"] [TimeControl "40/2400:0"] 1. Bxh7+ Kxh7 2. Qh5+ Kg8 3. Rf3 Ne4 (3... f5 4. exf6 Ne4 5. fxg7 Qxg7 6. Rd1 e5 (6... b5 7. Nd6 e5 8. f5 Rd8 9. Rdd3 Nxd6 10. Rg3 Bxf5 11. Rxg7+ Kxg7 12. Rg3+ Kf6 13. Qh6+ Ke7 14. Rg7+ Nf7 15. Qg5+ Ke6 16. Rxf7 Kxf7 17. Qxf5+) 7. f5 b5 (7... c5 8. Nd6)) 4. Re1 b5 (4... Qd8 5. Rd3 Nf6 6. exf6 Qxf6 7. Rh3) (4... g6 5. Qh6 f5 6. Rxe4) 5. Rxe4 bxc4 6. Rh3 f5 (6... Qa7+ 7. Kf1 f5 8. exf6 Rxf6 9. Qh8+ Kf7 10. Rg3) (6... f6 7. Qh7+ Kf7 8. Rg3) 7. exf6 Rxf6 (7... Qa7+ 8. Kf1 Rxf6 9. Qh8+ Kf7 10. Rg3 g6 11. Rh3 Ke7) 8. Qh8+ Kf7 9. Rg3 Qb6+ (9... Qa7+ 10. Kf1 g6 11. Rh3 Ke7 12. Rh7+ Rf7 13. Rxf7+ Kxf7 14. f5 g5 15. fxe6+ Bxe6 16. Qh7+ Kf8 17. Qh6+ Kg8 18. Qxe6+) 10. Kf1 g6 11. Rh3 Ke7 12. Rh7+ Rf7 13. Rxf7+ Kxf7 14. f5 * Here is analysis by yace and if even relatively materialistic program like yace can be convinced about more than +1.5 score then it seems to be a clear win for white. I am not going to try to prove higher score. New game [D]r1b2rk1/1pq2ppp/p1p1p3/2n1P3/2N2P2/3B4/PPP3PP/R2Q1RK1 w - - 0 1 Analysis by Yace 0.99.87: 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 1 00:00:00 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 1 00:00:00 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 2 00:00:00 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 2 00:00:00 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 3 00:00:00 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 3 00:00:00 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 4 00:00:00 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 4 00:00:00 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 5 00:00:00 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 5 00:00:00 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 6/12 00:00:00 3kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 6/12 00:00:00 7kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 7/12 00:00:00 7kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 7/13 00:00:00 23kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 8/13 00:00:01 23kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 8/14 00:00:01 45kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 9/14 00:00:01 45kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 9/14 00:00:01 116kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 10/14 00:00:01 116kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 10/23 00:00:01 265kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 11/23 00:00:01 265kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 11/23 00:00:02 666kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 12/23 00:00:02 666kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 12/23 00:00:02 1375kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 13/23 00:00:02 1375kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 13/24 00:00:03 3527kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 14/24 00:00:03 3527kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 14/32 00:00:07 10726kN 1.Bxh7+ Kxh7 2.Qh5+ Kg8 3.Rf3 f5 4.exf6 Ne4 5.fxg7 Qxg7 6.Rd1 e5 7.f5 c5 8.Nd6 Rd8 9.Rdd3 +- (1.53) Depth: 15/32 00:00:07 10726kN (, MyTown 21.07.2004) Uri
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