Author: Vincent Lejeune
Date: 03:59:25 12/17/05
Go up one level in this thread
Ok , I understand now, fruit family is weak here because the main line involve passed pawns :-( . Here's an example of line : [Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Nouvelle partie"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "5rk1/1R3bp1/8/Q5Pp/7P/5P2/7K/3r4 w - - 0 1"] [PlyCount "21"] 1. Rxf7 Rxf7 2. g6 Rfd7 3. Qxh5 Kf8 4. Qh8+ Ke7 5. Qxg7+ Ke6 6. Qf8 Rd8 7. Qf7+ Ke5 8. Kg3 R8d7 9. f4+ Kd6 10. Qf6+ Kc5 11. f5 * On December 17, 2005 at 06:52:20, Vincent Lejeune wrote: >On December 16, 2005 at 23:46:32, K. Burcham wrote: > >> >>how long does it take your program to find 60. Rxf7? >> >> [D] 5rk1/1R3bp1/8/Q5Pp/7P/5P2/7K/3r4 w - - 0 60 >> >>kburcham > >The fruit family is slow on this one, strange ... > >AMD 32 bits @ 2.1 Ghz > >Analysis by Toga II 1.1a: >... >1.Dc7 Td2+ 2.Rg3 Td1 3.De7 Tf1 4.Td7 Tg1+ 5.Rf2 Tc1 6.De4 > +- (3.63) Profondeur: 9/24 00:00:01 202kN >1.Dc7 Td2+ 2.Rg3 Td1 3.De7 Tc1 4.Td7 Tb1 5.De4 Tfb8 6.f4 > +- (3.59) Profondeur: 10/26 00:00:01 471kN >1.Dc7 Td2+ 2.Rg3 Td1 3.De7 Tc1 4.Td7 Tb1 5.Tc7 Td1 6.Ta7 Td2 > +- (3.60) Profondeur: 11/27 00:00:02 916kN >1.Dc7 Td2+ 2.Rg3 Td1 3.Rf2 g6 4.De7 Th1 5.Rg3 Tg1+ 6.Rh2 Td1 7.Df6 Td2+ 8.Rg3 > +- (3.65) Profondeur: 12/30 00:00:03 1967kN >1.Dc7 Td2+ 2.Rg3 Td1 3.Rf2 g6 4.De7 Th1 5.Rg3 Tg1+ 6.Rh2 Td1 7.Df6 Te1 8.Rg3 > +- (3.65) Profondeur: 13/37 00:00:04 3655kN >1.Dc7 g6 2.Rg3 Tg1+ 3.Rf2 Td1 4.Rg2 Td5 5.Rg3 Tf5 6.Ta7 Te8 7.Dc6 Te3 8.Ta8+ Rg7 > +- (3.50) Profondeur: 14/42 00:00:17 14879kN >1.Dc7 g6 2.Rg2 Td5 3.Rg3 Tf5 4.Dc3 Te8 5.Td7 Rh7 6.Dc7 Rg7 7.Dc4 Tb8 8.De6 > +- (3.38) Profondeur: 15/48 00:00:58 46720kN >1.Da7 Td2+ 2.Rg3 g6 3.Tc7 Td1 4.Te7 Tdd8 5.Db6 Td2 6.Df6 Td5 7.Dc6 Tdd8 8.f4 >Td3+ 9.Rf2 > +- (3.51) Profondeur: 15/48 00:01:13 59521kN >1.Da7 g6 2.Rg3 Rg7 3.Da2 Rg8 4.Da6 Tfd8 5.Da7 Tf8 6.Te7 Tdd8 7.Db7 Tde8 8.Td7 >Rg7 9.Db2+ Rh7 > +- (3.49) Profondeur: 16/55 00:01:43 83277kN >1.Txf7 Txf7 2.g6 Tfd7 3.Dxh5 T1d2+ 4.Rg3 Td8 5.Dh7+ Rf8 6.Dh8+ Re7 7.Dxg7+ Re6 >8.Df7+ Rd6 9.g7 Td1 10.Df6+ Rc7 11.De7+ T1d7 12.Dg5 Td1 13.De5+ Rc6 14.Rg2 T1d2+ >15.Rg3 > +- (3.91) Profondeur: 16/55 00:03:15 159636kN >1.Txf7 Txf7 2.g6 Tfd7 3.Dxh5 Rf8 4.Dh8+ Re7 5.Dxg7+ Re6 6.Df8 Re5 7.Rg3 Tg1+ >8.Rf2 Tgd1 9.g7 T7d2+ 10.Rg3 Tg1+ 11.Rh3 Tdg2 12.f4+ Re6 13.De8+ Rf6 14.De5+ Rf7 >15.Dc7+ Rf6 > +- (4.05) Profondeur: 17/55 00:03:35 176848kN >1.Txf7 Txf7 2.g6 Tfd7 3.Dxh5 Rf8 4.Dh8+ Re7 5.Dxg7+ Re6 6.Df8 Re5 7.Rg3 Tg1+ >8.Rh3 Th1+ 9.Rg2 Thd1 10.g7 T7d2+ 11.Rg3 Tg1+ 12.Rh3 Tdg2 13.f4+ Re6 14.De8+ Rf6 >15.De5+ Rf7 16.Dc7+ Rf6 > +- (4.05) Profondeur: 18/55 00:04:04 202012kN >1.Txf7 Txf7 2.g6 Tfd7 3.Dxh5 Rf8 4.Dh8+ Re7 5.Dxg7+ Re6 6.Df8 Re5 7.Rh3 Th1+ >8.Rg2 Thd1 9.Rh2 T7d2+ 10.Rh3 Th1+ 11.Rg4 Tg1+ 12.Rh5 Tdg2 13.f4+ Re4 14.f5 Td1 > +- (4.00) Profondeur: 19/55 00:05:07 258592kN >1.Txf7 Txf7 2.g6 Tfd7 3.Dxh5 Rf8 4.Dh8+ Re7 5.Dxg7+ Re6 6.Df8 T7d4 7.h5 Re5 >8.Rg3 Tg1+ 9.Rf2 Tgd1 10.Dh6 T4d2+ 11.Re3 Td3+ 12.Re2 Re6 13.Df4 Td8 14.h6 > +- (4.25) Profondeur: 20/59 00:08:36 433766kN >1.Txf7 Txf7 2.g6 Tfd7 3.Dxh5 Rf8 4.Dh8+ Re7 5.Dxg7+ Re6 6.Df8 T7d4 7.h5 Re5 >8.Rg3 Tg1+ 9.Rf2 Tgd1 10.Dh6 T4d2+ 11.Re3 Td3+ 12.Re2 Rf6 13.Df4+ Rg7 14.Dg5 Rg8 >15.h6 > +- (4.36) Profondeur: 21/59 00:14:39 734598kN
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