Author: Matthias Gemuh
Date: 17:24:11 12/18/01
Go up one level in this thread
On December 18, 2001 at 18:54:09, Kurt Utzinger wrote: >In the position shown below Fritz 7a sees that 1...Rxb2 is a fault, but after >making this move, the program is unable to win a piece with 2.0-0-0 and so we >must assume that there is a castling bug in Fritz7: > >[D] 1r2k1nr/p3ppbp/4b1p1/8/2pnB2N/2N1B1P1/PPP2P1P/R3K2R b KQk - 0 1 No contradiction. > >Analysis by Fritz 7: > >1...Txb2 2.0-0-0 Se2+ 3.Sxe2 Ld7 4.a3 a6 5.Sf3 >+- (2.15) Tiefe: 8/22 00:00:00 329kN >1...a6! >+- (2.12) Tiefe: 8/22 00:00:00 355kN >1...a6! >+- (1.96) Tiefe: 8/22 00:00:00 371kN >1...a6! >+- (1.65) Tiefe: 8/22 00:00:00 394kN >1...a6! >± (1.03) Tiefe: 8/22 00:00:00 408kN >1...a6 2.Td1 Sf5 3.Sxf5 Lxf5 4.Lxf5 Lxc3+ 5.bxc3 gxf5 6.Ld4 f6 >= (-0.13) Tiefe: 8/24 00:00:01 777kN >1...Ld7! >= (-0.16) Tiefe: 8/24 00:00:01 897kN >1...Ld7! >³ (-0.32) Tiefe: 8/24 00:00:01 930kN >1...Ld7 2.a3 Txb2 3.0-0-0 Sb5 4.Kxb2 Sxc3 5.Ld4 Sxd1+ 6.Txd1 >³ (-0.41) Tiefe: 8/24 00:00:01 1206kN >1...Lg4! >³ (-0.44) Tiefe: 8/24 00:00:02 1468kN >1...Lg4 2.f3 Ld7 3.Sd1 >³ (-0.50) Tiefe: 8/24 00:00:02 1614kN >1...Lg4 2.f3 Ld7 3.Sd1 Sc6 4.Tb1 Sf6 5.Lxc6 Lxc6 6.Lxa7 >³ (-0.41) Tiefe: 9/24 00:00:03 2442kN >1...Ld7! >³ (-0.44) Tiefe: 9/24 00:00:03 2643kN >1...Ld7 2.a3 Sb5 3.Sd1 Sf6 4.Lg2 Sg4 5.Lf4 Sd4 6.Lxb8 >³ (-0.57) Tiefe: 9/24 00:00:04 3123kN >1...Ld7 2.a3 Sb5 3.Sd1 Sd6 4.Lg2 a6 5.Sf3 Lxb2 6.Tb1 >³ (-0.60) Tiefe: 10/27 00:00:07 5143kN >1...Ld7-- >³ (-0.32) Tiefe: 11/29 00:00:11 8244kN >1...Ld7 2.0-0-0 Sb5 3.Sxb5 Txb5 4.Ld4 e5 5.a4 Ta5 6.Lc3 Txa4 7.f4 >= (0.00) Tiefe: 11/34 00:00:14 9820kN >1...a5! >= (0.03) Tiefe: 11/34 00:00:17 12171kN >1...a5! >= (-0.13) Tiefe: 11/34 00:00:20 15077kN >1...Lg4! >= (-0.16) Tiefe: 11/34 00:00:25 18348kN >1...Lg4! >³ (-0.32) Tiefe: 11/34 00:00:28 20489kN >1...Lg4 2.Sd1 f5 3.Lxd4 Lxd4 4.Lc6+ Kf8 5.c3 Lc5 6.Sf3 Sf6 7.h3 Lh5 >³ (-0.44) Tiefe: 11/34 00:00:36 26688kN > >(Utzinger, Wetzikon 19.12.2001) > >Fritz 7 - Utzinger,K >4k1nr/p3ppbp/4b1p1/8/2pnB2N/2N1B1P1/PrP2P1P/R3K2R w KQk - 0 1 > >Analysis by Fritz 7: > >2.Tb1! >-+ (-1.68) Tiefe: 7/22 00:00:00 320kN >2.Tb1 Sb5 3.Lc6+ Ld7 4.Lxd7+ Kxd7 5.Td1+ Kc6 6.Sxb5 Kxb5 7.Td5+ Ka6 8.Kd2 Txa2 >-+ (-1.87) Tiefe: 8/24 00:00:00 537kN >2.Kd2! >-+ (-1.84) Tiefe: 8/24 00:00:00 591kN >2.Kd2! >-+ (-1.68) Tiefe: 8/24 00:00:00 685kN >2.Kd2 Sf6 3.Lxd4 Sxe4+ 4.Sxe4 Lxd4 5.Sf3 Lg7 >-+ (-1.46) Tiefe: 8/24 00:00:01 852kN >2.Kd2 Sf6 3.Lxd4 Sxe4+ 4.Sxe4 Lxd4 5.Sf3 Lg7 >-+ (-1.59) Tiefe: 9/26 00:00:01 1347kN >2.Kd2 Sf6 3.Lxd4 Sxe4+ 4.Ke3 Sf6 5.Kd2 0-0 6.Tab1 Txb1 >-+ (-1.50) Tiefe: 10/28 00:00:04 2953kN >2.Kd2 Sf6 3.Lxd4 Sxe4+ 4.Ke3 Sf6 5.Kd2 Tb8 6.Sf3 >-+ (-1.53) Tiefe: 11/29 00:00:09 7201kN >2.Kd2 Sf6 3.Lxd4 Sxe4+ 4.Ke3 Sf6 5.Kd2 Tb8 6.Sf3 >-+ (-1.46) Tiefe: 12/31 00:00:23 17966kN > >Kurt > >(Utzinger, Wetzikon 19.12.2001)
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