Author: John Merlino
Date: 12:42:56 04/11/02
Go up one level in this thread
On April 11, 2002 at 07:32:58, Eduard Nemeth wrote: >This game I find in the NEW of TWIC (number 387): > > >[Event "TCh-NOR Qualifier "] >[Site "?"] >[Date "2002.??.??"] >[Round "3"] >[White "Robertsen,Thomas"] >[Black "Nikolaisen,Magnar"] >[ECO "B86"] >[Result "1-0"] >1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 >e6 7. Bb3 Be7 8. O-O O-O 9. Qf3 Qc7 10. Qg3 Nh5 11. Qh3 Nf6 >12. Qg3 Nh5 13. Qf3 Nf6 14. g4 Nbd7 15. g5 Ne5 16. Qh3 Nfd7 >17. f4 Qc5 18. Be3 Nc4 19. Bf2 Qc7 20. Nf5 Ndb6 21. Nxg7 >Kxg7 22. Kh1 f6 23. Qh6+ Kf7 24. Qh5+ Kg8 25. g6 hxg6 >26. Qxg6+ Kh8 27. Qh6+ Kg8 28. Rg1+ Kf7 29. Qg6# 1-0 > >White plays 21 the strongest move 21. Nxg7!! > >[D]r1b2rk1/1pq1bppp/pn1pp3/5NP1/2n1PP2/1BN4Q/PPP2B1P/R4RK1 w - - > >Forced Variation: > > >1. Nxg7! Kxg7 2. Qh6+! Kg8 (Kh8? and now 3. Bd4! ++-) und now >3. Kh1 !! > >After this forced moves all programs says that the position is clearly better >for white! > >Here a Analysis by Fritz 7 after 3. Kh1! > >[D]r1b2rk1/1pq1bp1p/pn1pp2Q/6P1/2n1PP2/1BN5/PPP2B1P/R4R1K b - - 0 1 > >Analysis by Fritz 7: >3...d5 4.f5 f6 5.gxf6 Lxf6 6.Tg1+ Lg7 7.Txg7+ Dxg7 8.Tg1 Dxg1+ 9.Kxg1 >+- (1.53) Tiefe: 9/35 00:00:52 14801kN >3...Sd7! >+- (1.50) Tiefe: 9/35 00:00:53 15262kN >3...Sd7! >± (1.34) Tiefe: 9/35 00:00:54 15318kN >3...Sd7! >± (1.03) Tiefe: 9/35 00:00:54 15361kN >3...Sd7! >² (0.41) Tiefe: 9/35 00:00:54 15467kN >3...Sd7 4.f5 Te8 5.g6 hxg6 6.fxg6 Sf6 7.gxf7+ Kxf7 8.Lh4 >= (0.06) Tiefe: 9/35 00:00:56 16117kN >3...Sd7-- >² (0.34) Tiefe: 10/30 00:01:03 17927kN >3...Sd7 4.f5 exf5 5.Sd5 Dd8 6.exf5 b5 7.Lxc4 Lxg5 8.Tg1 bxc4 9.Txg5+ Kh8 >± (1.28) Tiefe: 10/33 00:01:09 19552kN >3...Te8! >± (1.25) Tiefe: 10/33 00:01:12 20471kN >3...Te8 4.Ld4 Lf8 5.Df6 e5 6.Lxb6 Sxb6 7.g6 d5 8.gxf7+ Dxf7 9.Dxb6 >± (1.12) Tiefe: 10/33 00:01:13 20951kN >3...Td8! >± (1.09) Tiefe: 10/35 00:01:30 25957kN >3...Td8 4.Ld4 Lf8 5.Df6 e5 6.Lxb6 Sxb6 7.Lxf7+ Dxf7 8.Dxd8 Sc4 9.Sd5 exf4 >10.Txf4 >± (1.09) Tiefe: 11/33 00:01:57 33850kN >3...Td8 4.Ld4 Lf8 5.Df6 e5 6.Lxb6 Sxb6 7.Lxf7+ Dxf7 8.Dxd8 Sc4 9.fxe5 De7 >10.Dxe7 Lxe7 >± (1.19) Tiefe: 12/33 00:03:12 56084kN >3...Td8 4.Ld4 Lf8 5.Df6 e5 6.Lxb6 Sxb6 7.Lxf7+ Dxf7 8.Dxd8 Sc4 9.fxe5 De7 >10.Dxe7 >± (1.19) Tiefe: 13/38 00:06:47 120048kN >3...Td8 4.Ld4 Lf8 5.Df6 e5 6.Lxb6 Sxb6 7.Lxf7+ Dxf7 8.Dxd8 Sc4 9.Sd5 Sd2 >± (1.00) Tiefe: 14/40 00:14:30 258607kN >(Nemeth, Stuttgart 11.04.2002) > >My question now: which programm can find the strong tactical move 21. Nxg7 ? > >Eduard Chessmaster doesn't find it in a reasonable amount of time, but it is fairly happy about Nxe7+: Time Depth Score Positions Moves 0:00 1/3 0.74 5177 1.Nxe7+ Qxe7 2.Rad1 Bd7 3.a4 Bc6 0:00 1/4 0.73 22058 1.Nxe7+ Qxe7 2.Rfd1 e5 3.Qd3 Be6 4.Bxb6 Nxb6 5.Qxd6 0:01 2/5 0.78 60169 1.Nxe7+ Qxe7 2.Bxc4 Nxc4 3.b3 e5 4.Qd3 Nb2 5.Qg3 0:04 2/6 0.77 220195 1.Nxe7+ Qxe7 2.a4 e5 3.Qh5 exf4 4.a5 g6 0:13 3/7 0.67 769235 1.Nxe7+ Qxe7 2.a4 e5 3.Qh5 exf4 4.a5 g6 5.Qh4 0:36 3/8 0.79 2274414 1.Nxe7+ Qxe7 2.a4 Qc7 3.a5 Nd7 4.Bxc4 Qxc4 5.Rad1 Qc7 6.Rfe1 b6 2:12 4/9 0.81 8350853 1.Nxe7+ Qxe7 2.a4 Qc7 3.a5 Nd7 4.Bxc4 Qxc4 5.Rfd1 Qc7 6.Ra4 b6 9:10 4/10 0.69 35347127 1.Nxe7+ Qxe7 2.a4 Qc7 3.a5 Nd7 4.Bxc4 Qxc4 5.Rfd1 Qc7 6.Ra4 b5 7.axb6ep Nxb6 jm
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