Author: Fernando Alonso
Date: 09:35:32 05/27/03
Go up one level in this thread
On May 27, 2003 at 09:55:33, Steffen Basting wrote: >Hi! > >Here's a position that occured in one of my games: > >[D] 5r1k/p5b1/4n1qp/2p1pr1n/2PpN1pP/P2P2P1/1RQ1RPK1/2B3N1 b - - 0 31 > >How long does your engine need to find Nef4+? >Fritz 8 needs about 4 minutes on my PIV/3.06: > > >5r1k/p5b1/4n1qp/2p1pr1n/2PpN1pP/P2P2P1/1RQ1RPK1/2B3N1 b - - 0 1 > >Analysis by Fritz 8: > >31...T5f7 32.Tb5 Sf6 33.Sxc5 Sxc5 34.Txc5 Sd7 35.Tc7 > ³ (-0.34) Tiefe: 7/21 00:00:00 104kN >31...T5f7 32.Tb5 Sf6 33.Sxc5 Sxc5 34.Txc5 Sd7 35.Tc7 a6 > ³ (-0.38) Tiefe: 8/22 00:00:00 168kN >31...T5f7 32.Da4 Sf6 33.Dc6 Sxe4 34.Dxe4 Tf5 35.Tb7 Df6 36.Dxg4 Txf2+ > ³ (-0.53) Tiefe: 9/26 00:00:00 406kN >31...T5f7 32.Te1 Sf6 33.De2 Dh5 34.Sd6 Td7 35.Se4 Sxe4 36.Dxe4 Lf6 37.Se2 > ³ (-0.50) Tiefe: 10/29 00:00:01 934kN >31...T5f7 32.Te1 Sf6 33.De2 Dh5 34.Sd6 Td7 35.Se4 Sxe4 36.Dxe4 Tdf7 37.Dd5 > ³ (-0.47) Tiefe: 11/31 00:00:02 2214kN >31...T5f7 32.Te1 Sf6 33.De2 Dh5 34.Sd6 Td7 35.Se4 Sxe4 36.Dxe4 Tdf7 37.Dd5 > ³ (-0.47) Tiefe: 12/34 00:00:04 4079kN >31...T5f7 32.Te1 Sf6 33.De2 Dh5 34.Sd2 Te8 35.f3 Dg6 36.Se4 Tef8 37.Sd6 Te7 > ³ (-0.44) Tiefe: 13/32 00:00:07 8421kN >31...T5f7 32.Te1 Sf6 33.De2 Dh5 34.Sd2 Te8 35.Se4 Sxe4 36.Dxe4 Tef8 37.Dd5 > ³ (-0.38) Tiefe: 14/34 00:00:17 18603kN >31...T5f7 32.Te1 Sf6 33.De2 Kh7 34.Sd6 Te7 35.Se4 Kg8 36.Sxf6+ Lxf6 37.De4 Dh5 >38.f3 > ³ (-0.41) Tiefe: 15/38 00:01:22 94121kN >31...T5f7 32.Te1 Sf6 33.De2 Kh7 34.Sd6 Te7 35.Se4 Kg8 36.Sxf6+ Lxf6 37.De4 Dh5 >38.f3 Tg7 39.Dd5 gxf3+ > ³ (-0.34) Tiefe: 16/39 00:02:14 157275kN >31...Sef4+! > ³ (-0.38) Tiefe: 16/43 00:04:04 286586kN >31...Sef4+! > ³ (-0.53) Tiefe: 16/43 00:04:21 308445kN >31...Sef4+! > µ (-0.81) Tiefe: 17/43 00:06:23 453558kN >31...Sef4+ 32.gxf4 exf4 33.Kf1 f3 34.Te1 g3 > µ (-0.81) Tiefe: 18/45 00:12:05 868379kN >31...Sef4+! > µ (-1.09) Tiefe: 19/50 00:32:40 2308018kN > >I'm especially interested in amateur engines' results :-) > >Regards, >Steffen Aristarch 4.21 sees it soon. Analysis by Aristarch 4.21: 1...T5f7 2.Rh1 a6 3.Cd6 Td7 ² (0.50) Profundidad: 5/12 00:00:00 1...a6 2.Rh1 Df7 3.Dd1 ² (0.49) Profundidad: 5/12 00:00:01 1...T8f7 2.Rh1 Cef4 3.gxf4 ² (0.49) Profundidad: 5/15 00:00:01 1...Rg8 2.Rh1 a6 3.Dd1 Ta8 ² (0.49) Profundidad: 5/15 00:00:01 1...Rg8 2.Rh1 T5f7 3.Dd1 Df5 4.Cd6 ± (0.74) Profundidad: 6/17 00:00:01 34kN 1...T5f7 2.Rh1 Cf6 3.Cxf6 Axf6 4.Dd1 Dh5 ± (0.73) Profundidad: 6/17 00:00:01 39kN 1...T5f7 2.Dd1 a6 3.Rh1 Df5 4.Cd6 ² (0.61) Profundidad: 6/17 00:00:01 44kN 1...T5f7 2.Dd1 Cf6 3.Cxf6 Dxf6 4.Rh1 Df5 5.a4 ² (0.58) Profundidad: 7/17 00:00:01 98kN 1...T5f7 2.Dd1 Cf6 3.Cd6 Td7 4.Cb5 Df5 5.Rh1 ² (0.63) Profundidad: 8/20 00:00:02 209kN 1...T5f7 2.Dd1 Cf6 3.Cxf6 Axf6 4.Rh1 Dh5 5.Te4 Tg8 6.Tee2 ² (0.63) Profundidad: 9/20 00:00:02 566kN 1...Cf6 2.Cd6 Th5 3.Tb7 Cg8 4.Txa7 Cf4+ 5.Axf4 exf4 6.Ce4 f3+ 7.Rh1 ² (0.62) Profundidad: 9/20 00:00:02 712kN 1...Cf6 2.Cd6 Th5 3.Dd1 Td8 4.Ce4 Df7 5.Cxf6 Axf6 6.Rf1 ² (0.61) Profundidad: 9/20 00:00:02 788kN 1...Cf6 2.Cd6 Th5 3.Tb7 Cg8 4.Td7 a6 5.Dd1 Df6 6.Rh1 ± (0.79) Profundidad: 10/20 00:00:03 1126kN 1...T5f7 2.Dd1 Cf6 3.Cxf6 Axf6 4.Rh1 Dh5 5.Te4 ± (0.78) Profundidad: 10/20 00:00:03 1174kN 1...T5f7 2.Tb5 Tc7 3.Rh1 Cf6 4.Cxf6 Axf6 5.Dd1 Dh5 6.Df1 Tcf7 ² (0.59) Profundidad: 10/25 00:00:04 1921kN 1...T5f7 2.Dd1 Cf6 3.Cxf6 Dxf6 4.h5 Df5 5.Te4 ² (0.55) Profundidad: 11/25 00:00:09 4482kN 1...T5f7 2.Tb5 Tc7 3.Rh1 Cf6 4.Cxf6 Dxf6 5.Dd1 Dg6 6.Tb3 Tcf7 7.Df1 Dh5 ² (0.53) Profundidad: 12/27 00:00:21 10856kN 1...Cef4+ 2.gxf4 exf4 3.Td2 ² (0.52) Profundidad: 12/29 00:00:24 11871kN 1...Cef4+ 2.gxf4 exf4 3.Td2 f3+ 4.Rf1 g3 5.fxg3 Ae5 6.Tf2 Cxg3+ 7.Cxg3 Axg3 8.Tb7 Axh4 9.Txa7 ² (0.50) Profundidad: 12/29 00:00:25 12655kN 1...Cef4+ 2.gxf4 exf4 3.Td2 = (0.22) Profundidad: 13/30 00:00:30 15315kN 1...Cef4+ 2.gxf4 exf4 3.Td2 f3+ 4.Rf1 = (-0.20) Profundidad: 14/31 00:00:59 29363kN 1...Cef4+ 2.gxf4 exf4 ³ (-0.41) Profundidad: 14/32 00:01:24 41954kN 1...Cef4+ 2.gxf4 exf4 ³ (-0.61) Profundidad: 15/35 00:02:46 84157kN 1...Cef4+ 2.gxf4 exf4 3.Rh2 f3 4.Td2 ³ (-0.61) Profundidad: 16/37 00:06:12 192508kN Regards, Fernando.
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