Author: John Merlino
Date: 10:16:07 05/31/02
Go up one level in this thread
On May 31, 2002 at 01:50:47, Bill Gletsos wrote: >On May 31, 2002 at 01:19:15, Timothy J. Frohlick wrote: > >Tim thanks for your reply. >The problem I have with the position is that after >1...Rh6 2. Qd4 Qh5 3.c4 appears equal >and if instead 2...Kh8 then I can find nothing definatively winning for Black >after eith 3.Rg1 or 3. Kg1 > >Bill > >> >> Hiarcs 8 finds the winning move. >> >>1...Rh6 2.Kg1 Qh5 3.Kf1 Rf3 4.Qd2 e3 5.Rxe3 Rxe3 6.fxe3 Qh1+ 7.Rg1 Rf6+ 8.Qf2 >>Qe4 9.Qxf6 gxf6 10.Ke2 Qc2+ 11.Kf3 Qxb2 >> >>On AMD 1400 with 192 MB Hashtables >> >>Tim >> >> >>On May 31, 2002 at 00:46:42, Bill Gletsos wrote: >> >>>Can Black win the following position and if so how? >>> >>> >>> >>>[D]5rk1/6pp/p4r2/2Pp1q2/p3p3/P1P1Q1P1/1P3PR1/4RK2 b - - 0 1 Chessmaster 9000 Beta version, on a PIII-733, says: Time Depth Score Positions Moves 0:00 1/4 -0.70 4634 1...Qh5 2.Re2 Qh1+ 3.Rg1 Qh3+ 4.Rg2 0:00 2/5 -0.58 15668 1...Qh5 2.Re2 Qh1+ 3.Rg1 Qh3+ 4.Rg2 Qh5 5.Rd2 0:00 2/6 -0.68 44382 1...Qh5 2.Re2 Rf3 3.Qd2 Qh1+ 4.Rg1 Qh3+ 5.Rg2 Rd3 0:02 3/7 -0.61 141643 1...Qh5 2.Kg1 Rh6 3.Kf1 Qf7 4.Rd1 Rh1+ 5.Rg1 Rh2 0:06 3/8 -0.47 566626 1...Qh5 2.Re2 a5 3.Qd4 Rc6 4.Rd2 Rf5 5.Qe3 0:09 3/8 -0.61 815210 1...Rh6 2.Qd4 Rh1+ 3.Rg1 Qh3+ 4.Ke2 Rxf2+ 5.Qxf2 Rh2 6.Ref1 Rxf2+ 7.Rxf2 Qc8 8.Rgf1 Qxc5 0:45 4/9 -0.64 4205642 1...Rh6 2.Kg1 Qh5 3.Kf1 Rb8 4.g4 Qg6 5.Qe2 Qc6 6.c4 Rh1+ 7.Rg1 2:02 5/10 -0.92 11285755 1...Rh6 2.Kg1 Qh5 3.Kf1 Rf3 4.Qd4 Rd3 5.Qb4 Rf6 6.Kg1 Rd2 7.Qb8+ Rf8 4:05 6/11 -0.92 23844602 1...Rh6 2.Kg1 Qh5 3.Kf1 Rf3 4.Qd4 Rd3 5.Qb4 Rf6 6.Kg1 Rd2 7.Qb8+ Rf8 22:48 7/12 -1.14 137549124 1...Rh6 2.g4 Rh1+ 3.Rg1 Rxg1+ 4.Kxg1 Qxg4+ 5.Qg3 Qxg3+ 6.fxg3 Rc8 7.c4 dxc4 8.Rxe4 Rxc5 9.Re8+ Kf7 10.Ra8 Rc6 11.Ra7+ Kf6 12.Kf2 Rb6 And, after forcing your reply to 1...Rh6 (being 2.Qd4), it definitely looks worse for White: Time Depth Score Positions Moves 0:00 1/3 -0.53 7021 2...Qf7 3.Kg1 Rf6 4.Rh2 0:00 1/4 -0.61 9682 2...Qf7 3.Re2 Rh1+ 4.Rg1 Rh2 5.c6 0:00 2/5 -0.44 27702 2...Qf7 3.Re2 Rh1+ 4.Rg1 Qh5 5.f4 exf3ep 6.Re7 0:01 2/5 -0.61 71366 2...Rf7 3.f4 exf3ep 4.Re8+ Rf8 5.Rxf8+ Kxf8 6.Rd2 0:02 2/6 -0.54 181935 2...Rf7 3.Kg1 Qh5 4.Kf1 Rhf6 5.Kg1 Rb7 6.Rh2 0:04 2/6 -0.61 330994 2...Rh1+ 3.Rg1 Qh3+ 4.Ke2 Rxf2+ 5.Qxf2 Rh2 6.Ref1 Rxf2+ 7.Rxf2 Qc8 8.Rgf1 Qxc5 0:13 3/7 -1.48 1195233 2...Rh1+ 3.Rg1 Rh2 4.Re2 e3 5.Qxe3 Qb1+ 6.Re1 Rfxf2+ 7.Qxf2 Rxf2+ 8.Kxf2 Qxb2+ 9.Re2 Qxc3 10.Re8+ Kf7 11.Rge1 Qxc5+ 12.R8e3 0:24 3/8 -1.87 2449613 2...Rh1+ 3.Rg1 Rh2 4.Re2 e3 5.Qxe3 Qb1+ 6.Re1 Rfxf2+ 7.Qxf2 Rxf2+ 8.Kxf2 Qxb2+ 9.Kf1 Qxa3 10.c6 Qxc3 11.Re8+ Kf7 1:17 4/9 -2.26 8849539 2...Rh1+ 3.Rg1 Rh2 4.Re2 e3 5.Qxe3 Qb1+ 6.Re1 Qd3+ 7.Re2 Qxe3 8.Rxe3 Rfxf2+ 9.Ke1 Rxb2 10.Kf1 Rbf2+ 11.Ke1 Ra2 12.Kf1 Ra1+ 13.Re1 Rxa3 6:43 5/10 -2.26 46409815 2...Rh1+ 3.Rg1 Rh2 4.Re2 e3 5.Qxe3 Qb1+ 6.Re1 Qd3+ 7.Re2 Qxe3 8.Rxe3 Rfxf2+ 9.Ke1 Rxb2 10.Kf1 Rbf2+ 11.Ke1 Ra2 12.Kf1 Ra1+ 13.Re1 Rxa3 jm
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