Author: Sune Fischer
Date: 16:00:42 01/21/03
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On January 21, 2003 at 18:00:12, Uri Blass wrote: >On January 21, 2003 at 06:20:27, Sune Fischer wrote: > >>Round 4: Frenzee - Nullmover >> >>What awesome power in that nullmover, white simply got outplayed. Frenzee tried >>some weird and very long exchange that ended up losing a pawn. Black couldn't >>ask for a better position: > > >It seems to me that freenze simply sacrificed a pawn by Nb6 because of some bug I am having the same thought myself, it did a few other losing exchanges that weekend, but the log shows it wanted Nb6: 1 15 1 70 13.f3 2 -78 1 165 13.f3 Nbd7 14.fxe4 2 -73 1 283 13.Bc4 Nc6 14.Nxc6 Qxc6 2 9 1 466 13.e5 dxe5 14.Qxe5 2 101 1 762 13.Bh6 Nh5 14.Qxg4 3 101 1 1404 13.Bh6 Nh5 14.Qg4 Nxg3 4 8 2 2902 13.Bh6 Nh5 14.Qg4 Nd7 15.Nxc6 4 17 4 16885 13.Nb6 Nxe4 14.Qf3 Ra7 15.Qxe4 5 18 5 23146 13.Nb6 Nxe4 14.Qf3 Qxb6 15.Qxe4 6 23 10 52088 13.Nb6 Nxe4 14.Qf3 Ra7 15.Ne2 Nc5 7 29 19 116556 13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Kh8 17.Qxe4 Rxc8 8 34 45 301515 13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Kh8 17.Bc4 Rxc8 9 19 109 763440 13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Kh8 17.Nxc8 Rxc8 18.Qxe4 10 23 224 1579904 13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Kh8 17.Nxc8 Rxc8 18.a4 Qxb6 11 17 514 3753350 13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Qxe7 17.Qxe4 Bb7 18.Bg5 Bxe4 19.Bxe7 12 17 1826 13237917 13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Qxe7 17.Qxe4 Bb7 18.Bg5 Bxe4 19.Bxe7 13 13 4412 32049465 13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Qxe7 17.Qxe4 Bb7 18.Qxb4 Nc6 19.Qe4 Kh8 20.Bxe6 13 17 7250 51926460 13.Nb6 Nxe4 14.Qf3 Qxb6 15.Nf5 Qb7 16.Nxe7+ Qxe7 17.Qxe4 Bb7 18.Qxb4 Nc6 19.Qe4 Kh8 20.Bxe6 I think you are right, very weird. >>[D]3r3k/2r1q1pp/2n2p2/p3p3/1pQpP3/5R2/PPPB2PP/2R3K1 b - - 0 29 >> >>Nullmover was searching 10-11 plies, frenzee got 13-14 here most of the time, so >>I had a feeling all was not lost. However, black proceded to win another pawn >>and I started getting real worried, basicly I couldn't believe nullmoves >>strength searching that many plies less. All I was hoping for was that white >>wouldn't trade queens, perpetual check or something seemed to be the only >>possible rescue. >>It turned out I was right, with the advanced black pawns on the king side white >>did find a repetition, but white found more than that, suddenly frenzee saw a >>win here with Ra1! >>[D] 6k1/8/1q1r1p1Q/4p1p1/1p5p/1P5P/6PK/5R2 w - - 0 64 > >If Frenzee saw a win that it means that frenzee has a bug because >I cannot see a win after Ra1 Qd8 or Ra1 Rd2 Qg6+ Kh8 but only 0.00 score. > >Only after 65...Kf8 white got the advantage. Yes you are right, from move 54 to 65 it had score 0.00, only after Kf8 was there a win. I thought it was at the Re1 move the score changed, but it was a few moves later. -S. >Uri
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