Author: Mihaly Szalai
Date: 14:46:45 04/23/04
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On April 23, 2004 at 16:52:42, John Merlino wrote: >This position is from The King v Diep in the recent ICT4. > >[D]r3k2r/pp1bppbp/2n3p1/8/8/2N1B1P1/PP2PPBP/2RK3R w kq - 0 13 > >The Chessmaster 9000 database has two games with this position, played by top >GMs (Andersson v Leko in 1996 and Smirin v Alterman in 1998). In both cases, >White played f4 and won. > >The King, however, chose Kc2 and is soon forced over to a3. > >Here is what CM_SKR on an AMD 2500+ says about this position: > >Time Depth Score Positions Moves >0:00 1/3 -0.66 601 13.Nd5 Ne5 14.Nb6 >0:00 1/3 -0.05 2033 13.Nd5 O-O 14.b3 Rad8 >0:00 1/3 -0.01 2432 13.f4 O-O 14.Rf1 Rac8 >0:00 1/4 -0.01 4571 13.f4 O-O 14.Rf1 Rac8 >0:00 1/5 -0.18 13939 13.f4 O-O 14.Ke1 Rac8 15.Kf2 Be6 >0:00 1/5 -0.16 38323 13.Rg1 O-O 14.Ke1 Rac8 15.Kf1 Be6 >0:00 1/6 -0.16 65745 13.Rg1 O-O 14.Ke1 Rac8 15.Kf1 Be6 >0:00 1/6 -0.09 105042 13.f4 O-O 14.Ke1 Rac8 15.Kf2 Be6 > 16.Rhd1 >0:01 1/7 -0.09 237224 13.f4 O-O 14.Ke1 Rac8 15.Kf2 Be6 > 16.Rhd1 >0:01 1/7 0.04 370575 13.Kc2 Bf5+ 14.Ne4 Rd8 15.Kb1 O-O > 16.Rhd1 Rxd1 17.Rxd1 >0:02 1/8 -0.01 572098 13.Kc2 Bf5+ 14.Ne4 Bg4 15.f3 Be6 > 16.Kb1 O-O 17.f4 Rac8 >0:06 1/9 -0.04 1627991 13.Kc2 Bf5+ 14.Ne4 O-O-O 15.Kb1 > Bd4 16.Rhf1 Bxe3 17.fxe3 Kb8 18.g4 > Bxg4 19.Rxf7 Bxe2 >0:09 1/9 -0.01 2154891 13.f4 Rc8 14.Ke1 b6 15.Kf2 Na5 > 16.Nd5 Nc4 17.b3 Nxe3 18.Rxc8+ > Bxc8 19.Kxe3 >0:15 1/10 0.04 3718356 13.f4 O-O 14.Ke1 e5 15.Kf2 exf4 > 16.gxf4 Be6 17.Rhd1 Rac8 >0:39 1/11 -0.07 9379052 13.f4 O-O-O 14.Ke1 Kb8 15.Bc5 Rhe8 > 16.Kf2 Be6 17.Rhd1 Rxd1 18.Rxd1 Rc8 >0:50 1/11 0.00 12219988 13.Kc2 Bf5+ 14.Ne4 O-O 15.Kb1 Rfd8 > 16.Rhd1 Rxd1 17.Rxd1 Rc8 18.h3 > b6 19.g4 >1:06 1/11 0.03 16084826 13.Ke1 O-O 14.f4 e5 15.Kf2 exf4 > 16.gxf4 Be6 17.Rhd1 Rac8 18.Bd5 > Bxd5 19.Rxd5 >2:04 1/12 0.04 30620046 13.Ke1 O-O-O 14.h4 Kb8 15.h5 Be6 > 16.Bxc6 bxc6 17.Rh4 Ka8 18.Kf1 > Kb7 19.Rb4+ Ka8 20.Ra4 > >How do your programs see this? Also, please check to see if your programs have >book moves for this position. > >Many thanks, > >jm Hello John, 13. f4 is the Fritz 8 book move and here is the analysis: New game, r3k2r/pp1bppbp/2n3p1/8/8/2N1B1P1/PP2PPBP/2RK3R w kq - 0 1 Analysis by Fritz 8: 1.h3 Rd8 2.Ke1 h6 3.Rh2 Bf5 4.Bxc6+ bxc6 5.Bxa7 = (0.03) Depth: 7/20 00:00:00 91kN 1.h4! = (0.06) Depth: 7/20 00:00:00 136kN 1.h4 Rd8 2.Ke1 h5 3.Bf4 Bf5 = (0.09) Depth: 7/20 00:00:00 151kN 1.h4 Rd8 2.Kc2 Bf5+ 3.Kb3 a6 4.Rhd1 Rxd1 5.Rxd1 h6 = (0.00) Depth: 8/25 00:00:00 343kN 1.h3! = (0.03) Depth: 8/25 00:00:00 362kN 1.h3 Rd8 2.Ke1 h6 3.Rd1 Rh7 4.Bf4 Bf5 5.e3 = (0.06) Depth: 9/25 00:00:01 757kN 1.h4! = (0.09) Depth: 9/25 00:00:02 891kN 1.h4 Rd8 2.Ke1 h5 3.Rg1 Rg8 4.Rd1 Rc8 = (0.06) Depth: 10/28 00:00:06 2632kN 1.h4 Rd8 2.Ke1 h5 3.Rd1 b6 4.a3 Rg8 5.Bg5 Nd4 6.Nd5 = (0.09) Depth: 11/34 00:00:32 13942kN 1.h4 h6 2.Ke1 Rc8 3.h5 g5 4.a3 b6 5.Rf1 Nd4 6.Bxd4 Bxd4 7.e3 = (0.09) Depth: 12/37 00:01:24 39012kN (Szalai, Celeron 1.7 GHz 64 MB 23.04.2004) Mihaly
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