Author: Kurt Utzinger
Date: 10:22:55 07/30/04
Go up one level in this thread
On July 30, 2004 at 10:55:07, Albert Silver wrote: >The following position arose in a famous game between Taimanov and Karpov in >1973. Karpov sacrificed a pawn to prevent white from pushing c4, and obtain >excellent play against the hanging pawns using the two files. I expect that most >of the top engines should find this move, but the amateurs should find it much >harder. How does your engine do? > > Albert > >[D]2q2rk1/p1rn1ppp/1p2pn2/8/Q2P4/2P2N2/P2B1PPP/2RR2K1 b - - 0 17 > >17...Rc4! 18.Qxa7 Qc6 19.Qa3 Rc8 > >Here is the full game: > >[Event "Moscow-3teams"] >[Site ""] >[Date "1973"] >[Round "2"] >[White "Taimanov Mark E"] >[Black "Karpov Anatoly"] >[Result "0-1"] >[Eco "E55"] >[Annotator ""] >[Source "MCL"] > >1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O dxc4 >8.Bxc4 cxd4 9.exd4 b6 10.Qe2 Bb7 11.Rd1 Nbd7 12.Bd2 Rc8 13.Ba6 >Bxa6 14.Qxa6 Bxc3 15.bxc3 Rc7 16.Rac1 Qc8 17.Qa4 Rc4 18.Qxa7 >Qc6 19.Qa3 Rc8 20.h3 h6 21.Rb1 Ra4 22.Qb3 Nd5 23.Rdc1 Rc4 24.Rb2 >f6 25.Re1 Kf7 26.Qd1 Nf8 27.Rb3 Ng6 28.Qb1 Ra8 29.Re4 Rca4 30.Rb2 >Nf8 31.Qd3 Rc4 32.Re1 Ra3 33.Qb1 Ng6 34.Rc1 Nxc3 35.Qd3 Ne2+ >36.Qxe2 Rxc1+ 37.Bxc1 Qxc1+ 38.Kh2 Rxf3 39.gxf3 Nh4 0-1 > >In the last position, white lost on time BTW. Neue Partie 2q2rk1/p1rn1ppp/1p2pn2/8/Q2P4/2P2N2/P2B1PPP/2RR2K1 b - - 0 1 Analysis by Fritz 8: (P4 1.8/32 MB hash) 17...Td8 18.c4 Da8 19.Lf4 Tcc8 20.Lg5 a6 = (0.03) Tiefe: 7/20 00:00:00 39kN 17...Se4 18.c4 Sxd2 19.Sxd2 e5 20.Se4 exd4 21.Txd4 f5 22.Sd6 Sc5 23.Sxc8 Sxa4 = (0.00) Tiefe: 7/20 00:00:00 53kN = (0.00) Tiefe: 11/27 00:00:03 1812kN 17...Td8 18.c4 Db7 19.Lf4 Tcc8 20.Da3 a6 21.Lg5 h6 22.Lxf6 Sxf6 23.Se5 Se4 = (-0.03) Tiefe: 11/27 00:00:04 2980kN = (0.07) Tiefe: 12/26 00:00:08 5550kN 17...Se4 18.c4 Sxd2 19.Sxd2 Sf6 20.Sf3 Td8 21.Db3 Sd5 22.Se5 Se7 23.Sf3 Sf5 24.Db4 = (0.03) Tiefe: 12/30 00:00:09 6204kN = (-0.06) Tiefe: 16/36 00:07:03 298566kN (Utzinger, MyTown 30.07.2004)
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