Author: John Merlino
Date: 10:12:58 05/27/04
Go up one level in this thread
On May 27, 2004 at 08:53:08, Anthony Cozzie wrote: >Zappa lost ignominiously to SSEChess in round 1 of RWBC Class D, so it entered >round 2 thirsty for blood. This position reminds me a bit of the famous >Rubinstein game. I haven't done any analysis - there may be better moves for >both sides. > >[D]3r2k1/1q3pp1/4p3/p6r/1pP2Pn1/1N4Pp/PP1R3P/3RQ1K1 b - - 0 34 > >At first glance, this looks OK for white, but Zappa drops the hammer with Rd3 - >That file belongs to me! CM_SKR on an AMD 2500 needs 0:04 to see that Rd3 is the best move: Time Depth Score Positions Moves 0:00 1/3 -0.57 2416 34...Rd3 35.Qf1 Rxd2 36.Rxd2 0:00 1/4 -0.64 7835 34...Rd3 35.Qf1 Rxd2 36.Rxd2 Nf6 0:00 1/5 -0.33 20970 34...Rd3 35.Qf1 Rxg3+ 36.hxg3 h2+ 37.Rxh2 Rxh2 38.Rd8+ Kh7 0:01 1/6 -0.11 122781 34...Rd3 35.Re2 Qd7 36.Rxd3 Qxd3 37.Rd2 Qxc4 38.Rd8+ Kh7 0:01 1/6 -0.21 138085 34...Rxd2 35.Qxd2 a4 36.Nc1 Qc6 37.Qd8+ Kh7 38.Qd3+ g6 39.Rd2 0:02 1/7 -0.23 339318 34...Rxd2 35.Rxd2 a4 36.Qb1 g6 37.Nd4 e5 38.Qd1 exd4 39.Qxg4 0:03 1/8 -0.12 729550 34...Rxd2 35.Rxd2 a4 36.Nd4 e5 37.Qe2 exd4 38.Qxg4 Rc5 39.Qe2 0:04 1/8 -0.94 977559 34...Rd3 35.Re2 Rhd5 36.Rdd2 Rd7 37.c5 Qc6 38.Rxd3 Rxd3 0:06 1/9 -0.94 1741541 34...Rd3 35.Re2 Rhd5 36.Rdd2 Qb6+ 37.c5 Qc6 38.Qd1 Ne3 39.Qc1 0:13 1/10 -0.84 3803574 34...Rd3 35.Rc2 Qe4 36.Re2 Qxc4 37.Rxd3 Qxd3 38.Rd2 Qf3 39.Qe2 Qxe2 40.Rxe2 0:25 1/11 -0.94 7754117 34...Rd3 35.Rc2 Qe4 36.Re2 Qxc4 37.Rxd3 Qxd3 38.Rd2 Qf3 39.Qe2 Qxe2 40.Rxe2 Rd5 0:57 1/12 -1.04 18098483 34...Rd3 35.Rc2 Qe4 36.Re2 Re3 37.Nc1 e5 38.Qd2 Rxg3+ 39.hxg3 h2+ 40.Rxh2 Rxh2 41.Qd8+ Kh7 2:28 1/13 -1.23 47486074 34...Rd3 35.Rc2 Qe4 36.Re2 Re3 37.Nc1 e5 38.f5 Rxf5 39.Qd2 Rxe2 40.Qxe2 Qc6 41.Rd8+ Kh7 42.Rd5 >[D]6k1/1q3pp1/4p3/p6r/1pP2Pn1/1N1r2Pp/PPR4P/3RQ1K1 b - - 0 35 > >Qe4! Qe4 is found instantly: Time Depth Score Positions Moves 0:00 1/3 -1.50 3226 35...Qe4 36.Rcd2 Qf3 0:00 1/4 -1.51 8808 35...Qe4 36.Re2 Qxc4 37.Rxd3 Qxd3 0:00 1/5 -0.90 26096 35...Qe4 36.Re2 Qxc4 37.Rc1 Qa6 38.Nc5 0:00 1/6 -1.06 99978 35...Qe4 36.Re2 Qxc4 37.Rxd3 Qxd3 38.Rd2 Qf3 39.Rd8+ Kh7 0:00 1/7 -0.95 187594 35...Qe4 36.Re2 Qxc4 37.Rxd3 Qxd3 38.Rd2 Qf3 39.Rd8+ Kh7 40.Qd2 Qg2+ 41.Qxg2 hxg2 0:01 1/8 -0.84 484648 35...Qe4 36.Re2 Qxc4 37.Rxd3 Qxd3 38.Rd2 Qf3 39.Qe2 Qxe2 40.Rxe2 0:04 1/9 -0.94 1419977 35...Qe4 36.Re2 Qxc4 37.Rxd3 Qxd3 38.Rd2 Qf3 39.Qe2 Qxe2 40.Rxe2 Rd5 0:09 1/10 -1.04 3026495 35...Qe4 36.Re2 Re3 37.Nc1 e5 38.Qd2 Rxg3+ 39.hxg3 h2+ 40.Rxh2 Rxh2 41.Qd8+ Kh7 0:28 1/11 -1.23 8898605 35...Qe4 36.Re2 Re3 37.Nc1 e5 38.f5 Rxf5 39.Qd2 Rxe2 40.Qxe2 Qc6 41.Rd8+ Kh7 42.Rd5 1:04 1/12 -2.15 20921992 35...Qe4 36.Re2 Re3 37.Nd2 Rxg3+ 38.hxg3 h2+ 39.Rxh2 Qd4+ 40.Rf2 Nxf2 41.Qxf2 Rh1+ 42.Kxh1 Qxf2 43.c5 Qxg3 >[D]6k1/5pp1/4p3/p6r/1pP1qPn1/1N2r1Pp/PPRQ3P/2R3K1 b - - 0 37 > >And now I think Black wins with Rxg3, but Zappa played a4 first, corralling the >steed on b3. (Guenther's computer is too slow :) a4 sure looks like the right move to The King: Time Depth Score Positions Moves 0:00 1/3 -2.67 2019 37...Rxg3+ 38.hxg3 h2+ 39.Qxh2 Qe3+ 40.Kh1 Nxh2 41.Rxh2 Qf3+ 42.Kg1 Qxg3+ 43.Rg2 0:00 1/4 -3.06 5562 37...Rxg3+ 38.hxg3 h2+ 39.Qxh2 Qe3+ 40.Qf2 Nxf2 41.Rxf2 Qxg3+ 42.Kf1 0:00 1/5 -3.08 21663 37...Rxg3+ 38.hxg3 h2+ 39.Qxh2 Qe3+ 40.Qf2 Nxf2 41.Rxf2 Qxg3+ 42.Kf1 Qe3 0:00 1/6 -4.19 61769 37...Rxg3+ 38.hxg3 h2+ 39.Qxh2 Qe3+ 40.Qf2 Nxf2 41.Rxf2 a4 42.Nd2 Qxg3+ 43.Rg2 Qxf4 0:00 1/7 -4.50 146051 37...Rxg3+ 38.hxg3 h2+ 39.Qxh2 Rxh2 40.Rxh2 Qe3+ 41.Kh1 Nxh2 42.Kxh2 a4 43.c5 Qe2+ 44.Kh3 axb3 0:01 1/7 -5.66 475989 37...a4 38.Rd1 axb3 39.axb3 Rxg3+ 40.hxg3 h2+ 41.Qxh2 Qe3+ 42.Qf2 Nxf2 43.Rd8+ Kh7 44.Rxf2 Qxg3+ 45.Kf1 Rh1+ 46.Ke2 Qxb3 0:02 1/8 -6.41 664426 37...a4 38.Rd1 axb3 39.axb3 Rxg3+ 40.hxg3 h2+ 41.Qxh2 Nxh2 42.Rxh2 Qe3+ 43.Rf2 Qxg3+ 44.Rg2 Qxf4 45.Rd8+ Kh7 0:04 1/9 -7.42 1498954 37...a4 38.Rd1 axb3 39.axb3 Rxb3 40.f5 Rxg3+ 41.hxg3 h2+ 42.Qxh2 Nxh2 43.Rxh2 Qe3+ 44.Rf2 Qxg3+ 45.Rg2 Qe3+ 46.Rf2 exf5 0:07 1/10 -7.46 2529816 37...a4 38.Rd1 axb3 39.axb3 Rxb3 40.Qe2 Rxg3+ 41.hxg3 h2+ 42.Qxh2 Nxh2 43.Rxh2 Qe3+ 44.Rf2 Qxg3+ 45.Rg2 Qxf4 46.Rd8+ Kh7 0:19 1/11 -7.82 6613831 37...a4 38.Rd1 axb3 39.axb3 Rxb3 40.Ra1 Rxg3+ 41.hxg3 b3 42.Qd8+ Kh7 43.Rh2 Qe3+ 44.Kh1 Qf3+ 45.Kg1 Qxg3+ 46.Kf1 Qxf4+ 47.Ke1 Nxh2 1:15 1/12 -10.33 25488806 37...a4 38.Ra1 axb3 39.axb3 Rxg3+ 40.hxg3 h2+ 41.Qxh2 Nxh2 42.Rxh2 Qe3+ 43.Kh1 Qf3+ 44.Kg1 Qxg3+ 45.Rg2 Qe3+ 46.Rf2 Qh3 47.Rd2 Qh1+ 48.Kf2 Rh2+ 49.Ke3 Rh3+ 50.Kd4 Qxa1 2:06 1/13 -11.47 43099894 37...a4 38.Ra1 axb3 39.axb3 Rxg3+ 40.hxg3 h2+ 41.Qxh2 Nxh2 42.Rxh2 Qe3+ 43.Kh1 Qf3+ 44.Kg1 Qxg3+ 45.Rg2 Qe3+ 46.Rf2 Qh3 47.Re2 Qh1+ 48.Kf2 Qxa1 49.Ke3 Rh3+ 50.Ke4 Qa8+ 51.Kd4 Rxb3 jm
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