Author: Dan Ellwein
Date: 13:33:41 07/31/04
Go up one level in this thread
On July 31, 2004 at 07:24:15, Mark Young wrote: >[d]3q3r/4b1k1/4P1p1/rpp2p1p/1nn2Q2/5N1P/P4PP1/RBB1R1K1 w >Another GM sac refuted by computers? > >This position is from... > >GM Fischer - GM Leonid Stein >Interzonal, Sousse 1967 > >GM Fischer played the (so called) winning move Bxf5! Annotators claim GM Fischer >wins easily after Bxf5! gxf5 Qg3+ Kh7 Ng5+ Bxg5 Bxg5 Qe8(or Qd3). > >For this reason GM Stein played Qf8? and lost...but Bxf5 gxf5! seems to more >then hold the position. Do any computers or humans disagree. > >Example line. >Bxf5 gxf5! Qg3+ Kh7 Ng5+ Bxg5 Bxg5 Ra3!. CM9_OffSet agrees with Bobby Fischer... P3/850 Time Depth Score Positions Moves ---- ---- ---- ---- ---- 0:00 1/3 0.62 4233 1.Bxf5 gxf5 2.a3 Kg6 3.Ne5+ Nxe5 4.Rxe5 0:00 1/3 0.87 4472 1.Ne5 Nd5 2.Qg3 0:00 1/4 1.03 7030 1.Ne5 Bd6 2.Bxf5 Bxe5 3.Rxe5 Nxe5 4.Qxe5+ Qf6 0:00 1/5 1.03 36259 1.Ne5 Bd6 2.Bxf5 Bxe5 3.Rxe5 Nxe5 4.Qxe5+ Qf6 0:01 1/6 1.01 83288 1.Ne5 Bd6 2.Bxf5 Bxe5 3.Rxe5 Qd1+ 4.Kh2 Rc8 0:03 1/7 1.12 246877 1.Ne5 Bd6 2.Bxf5 Nxe5 3.Rxe5 Qf6 4.Bb2 Bxe5 5.Bxe5 0:12 1/8 0.54 850864 1.Ne5 Bd6 2.Nxc4 Bxf4 3.e7 Qd5 4.Bb2+ Kf7 5.Bxh8 Ra8 0:35 1/8 1.02 2528177 1.Bxf5 gxf5 2.a3 Nc6 3.Qxf5 Qf8 4.Qd3 Bf6 5.Ra2 Qd6 6.Qxd6 Nxd6 0:41 1/8 1.07 2975854 1.Nd2 Nd5 2.Qg3 h4 3.Qb3 Ncb6 4.Bb2+ Bf6 5.e7 Qd7 6.Bxf6+ Nxf6 1:03 1/9 1.03 4573621 1.Nd2 Bf6 2.Nxc4 bxc4 3.e7 Qe8 4.a3 Bd4 5.axb4 Rxa1 6.bxc5 1:36 1/9 1.35 7118484 1.Bxf5 gxf5 2.a3 Nc6 3.Qxf5 Qe8 4.Qd5 Rf8 5.Bg5 Nb6 6.Qd2 Kg8 3:09 1/10 1.36 14588619 1.Bxf5 gxf5 2.a3 Nc6 3.Qxf5 Qe8 4.Qd5 Rf8 5.Rb1 Kg8 6.Bh6 Rf6 8:35 1/11 1.41 41603327 1.Bxf5 gxf5 2.Qg3+ Kh7 3.Ng5+ Bxg5 4.Bxg5 Qb8 5.Bf4 Qg8 6.Qh4 Qe8 7.Qg5 Nd3 8.Qxf5+ Qg6 9.Qxg6+ Kxg6 24:11 1/12 1.86 116174824 1.Bxf5 gxf5 2.Qg3+ Kh7 3.Bg5 Rg8 4.Rad1 Qe8 5.Rd7 Rg7 6.Qc7 Na6 7.Qf4 Rxa2 8.Bxe7 Rxe7 9.Qxf5+ Kh8 10.Rxe7 Qxe7 11.Qxh5+ Kg8 1:32:47 1/13 2.04 465200075 1.Bxf5 gxf5 2.Qxf5 Qf8 3.Qe4 Qe8 4.Bf4 Rf8 5.Bg5 Nc6 6.a4 Nd6 7.Qe3 Rf5 8.Qc3+ Kg8 9.axb5 Rxb5 Dan
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