Author: Vincent Lejeune
Date: 07:45:23 07/21/04
Go up one level in this thread
On July 20, 2004 at 11:36:05, Omid David Tabibi wrote: >http://www.cs.biu.ac.il/~davoudo/pubs/ecmx.epd > >Remaining positions that are still unclear (the winning line is not clear): ... >r3k1r1/pb1qpp1p/1pnp1n1B/2p2R2/3PP3/2P3PN/P1P3BP/R2Q3K b q - bm Nxe4; id >"ECM.561"; ... after the logical ...Nxe4 2.Bxe4 Nxd4 , I let shredder search for 45 min with 2 best moves , nothing special analysis by Shredder 8: 1. = (0.22): 3.Tf4 Txg3 4.cxd4 Fxe4+ 5.Txe4 Dxh3 6.Txe7+ Rxe7 7.De1+ Rd7 8.Dxg3 Dxh6 9.Df3 Tf8 10.Db7+ Re6 11.De4+ Rf6 12.Tg1 Td8 13.d5 Dh3 14.c4 Tf8 15.Tg2 h5 16.Tg1 2. ยต (-1.24): 3.Td5 De6 4.Txd4 Fxe4+ 5.Txe4 Dxe4+ 6.Rg1 0-0-0 7.Cf2 Dg6 8.Fd2 e5 9.Df3 Rb8 10.a4 d5 11.a5 bxa5 12.Txa5 Dxc2 13.Dxf7 Then I analyzed by moving piece with looking at shredder eval : [Event "11 pos ecm"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "ECM.561"] [Black "?"] [Result "*"] [SetUp "1"] [FEN "r3k1r1/pb1qpp1p/1pnp1n1B/2p2R2/3PP3/2P3PN/P1P3BP/R2Q3K b q - 0 1"] [PlyCount "10"] 1... Nxe4 (1... Rg6 2. Bc1) 2. Bxe4 Nxd4 3. Rf4 Rxg3 (3... Bxe4+ 4. Rxe4 Qc6 ( 4... Rxg3 5. Rxe7+ Qxe7 6. hxg3 Qe4+ 7. Kg1 Nf3+ 8. Kf2 Ne5 9. Bf4) 5. Nf2 Nxc2 (5... f5 6. Qh5+ Rg6 7. cxd4 fxe4 8. d5 Qa4) 6. Rc1 Rg6 7. Qf3) 4. cxd4 (4. Ng5 Rxg5 5. Bxg5 Bxe4+ 6. Rxe4 Qc6 7. Qg4 f5 8. Qh5+ Kd7 9. Rae1) 4... Rxh3 5. Bg5 f6 (5... cxd4 6. Bxb7 Qxb7+ 7. Kg1) 6. Bh4 * The sacrifice seems unsoud, and the simple 1...Rg6 seems even better !
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