Author: Uri Blass
Date: 07:35:52 06/07/04
Go up one level in this thread
On June 07, 2004 at 10:26:07, Uri Blass wrote: >On June 07, 2004 at 10:17:42, Anthony Cozzie wrote: > >>It seems Gunther's hardware is not so bad after all :) Zappa played a nice >>exchange sac against Jonny here with Nd4!? >> >>[D]r4r1k/2q1b2p/b2ppp2/p7/1p1NP3/3Q2PB/PPP4P/2KR1R2 w - - 0 21 >> >>Leading to the following position, where White's achievements are obvious. >> >>[D]2r4k/q5bp/3pNp1r/3B3P/pp2P1P1/3R4/PPP5/2K2Q2 w - - 0 32 >> >>As usual I don't have Zappa's analysis, so I don't know whether the move is hard >>or easy. >> >>anthony > >[D]r1b2r1k/2q1b2p/3ppp2/p7/1p2P3/3Q2PB/PPP1N2P/2KR1R2 w - - 0 20 > >It is a positional sacrifice. > >Movei00_8_232 also likes it for positional reasons. > >Nd4 is the best move at depth 9,11,12 for movei > >9 21 837 1451293 c1b1 a5a4 d1d2 e6e5 h3c8 f8c8 d3b5 c7a5 c2c4 a5b5 c4b5 >9 22 973 1668790 e2d4 >9 27 1026 1760213 e2d4 c8a6 d4e6 a6d3 e6c7 d3f1 d1f1 a8a7 c7b5 a7b7 >9 27 1453 2434342 e2d4 c8a6 d4e6 a6d3 e6c7 d3f1 d1f1 a8a7 c7b5 a7b7 >10 9 1693 2855544 e2d4 c8a6 d4e6 c7a7 d3f3 a6f1 h3f1 f8c8 f1b5 a5a4 >10 10 1854 3144093 c1b1 >10 18 2403 4120312 c1b1 e6e5 h3c8 f8c8 c2c3 c7c4 b2b3 c4d3 d1d3 h8g7 b1c2 a5a4 >10 18 4205 7213072 c1b1 e6e5 h3c8 f8c8 c2c3 c7c4 b2b3 c4d3 d1d3 h8g7 b1c2 a5a4 >11 11 5610 9367410 c1b1 e6e5 h3c8 f8c8 d1d2 c7c5 c2c3 a8b8 c3b4 c5b4 d3d5 b4a3 >11 12 5977 9988510 e2d4 >11 18 6451 10693543 e2d4 c8a6 d4e6 c7b7 d3d5 b7d5 e4d5 a6f1 d1f1 f8g8 c1d2 a8c8 >11 18 9099 15211875 e2d4 c8a6 d4e6 c7b7 d3d5 b7d5 e4d5 a6f1 d1f1 f8g8 c1d2 a8c8 >12 27 11138 18113217 e2d4 c8a6 d4e6 c7a7 d3d4 a6f1 d4a7 a8a7 d1f1 f8c8 c1d2 a5a >4 h3f5 >12 28 15495 25242712 e2f4 >12 27 16484 26999388 e2d4 c8a6 d4e6 c7a7 d3d4 a6f1 d4a7 a8a7 d1f1 f8c8 c1d2 a5a >4 h3f5 >12 27 19604 32465011 e2d4 c8a6 d4e6 c7a7 d3d4 a6f1 d4a7 a8a7 d1f1 f8c8 c1d2 a5a >4 h3f5 >13 29 24404 40903365 e2d4 c8a6 d4e6 c7a7 d3f3 a6f1 d1f1 f8c8 h3f5 a7a6 e6d4 c8c >4 f1d1 > >Uri I can add that movei finds it not for the reason of the game and plans Nxe6 It evaluates the position after zappa's move as also slightly better for white but the advantage is smaller(at least at small depthes). After Nd4 Ba6 Qf3 only at depth 12 it can see 0.43 for white and not 0.15 for white. Finding Qf3 if it is correct may be harder than finding the sacrifice. Uri
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