Author: Mogens Larsen
Date: 00:14:07 09/25/00
Go up one level in this thread
On September 25, 2000 at 01:49:53, Eelco de Groot wrote: >On September 24, 2000 at 22:49:40, Howard Exner wrote: > >>I would like to see more of these kind of positions posted here. >>Chess fans are so used to marvelling at nice sacrifices and brilliant >>checkmates. Those happen with much less frequency than the kind of position in >>your example. If others have these kinds of positions with dubious or poor sacs, >>please post them. >> >>Here is one position from a recently posted game from Harold Faber, between >>Beta Tiger II and Shredder 4. Black definitely should avoid Ng4xf2. A retreat to >>h6 or f6 is best. >> >>[D]2rq1rk1/1p1b1ppp/p7/3p4/3Nn1n1/1P2PN1P/PQ2BPP1/R4RK1 b - - > >I agree Howard! A nice position from Vincent. I already posted my Favourite >test-position a while ago, the position after 22.Rb5 in the Rebel-Michael Rohde >game, > >[D]1r2r2k/1p4pp/1q1p4/1R1B1p2/1pPp4/4P1Pb/1P3P1P/Q3R1K1 b - - > >best move is 22. ..Qb6-d8!, move to avoid is 22. ..Qb6-a6. I'm not sure how to >put that in EPD correctly now. I agree it's more of a long-term tactical >position but ideally it is better to have a mix I think. That would be three >positions already, some more and we can make a real Anti Testsuite! I tried that position with Gandalf and got: New position 1r2r2k/1p4pp/1q1p4/1R1B1p2/1pPp4/4P1Pb/1P3P1P/Q3R1K1 b - - 0 1 Analysis by Gandalf 4.32f: 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Ra5 ± (0.88) Depth: 2 00:00:00 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 ± (1.07) Depth: 2 00:00:00 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 ± (1.07) Depth: 2 00:00:00 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 ± (1.07) Depth: 5 00:00:00 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 ± (1.07) Depth: 5 00:00:00 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 ± (1.07) Depth: 5 00:00:00 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 ± (1.07) Depth: 5 00:00:00 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 ± (1.07) Depth: 5 00:00:00 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 ± (1.07) Depth: 5 00:00:00 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 ± (1.07) Depth: 5 00:00:00 16kN 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 ± (1.07) Depth: 6 00:00:01 40kN 1...Qd8 2.exd4 Qf6 3.Rxb4 Qxd4 4.Rxb7 f4 5.Rxe8+ Rxe8 ± (0.92) Depth: 7 00:00:01 133kN 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 Re8 6.f4 ± (1.13) Depth: 8 00:00:02 250kN 1...Qd8 2.exd4 Qg5 3.Rxb7 Qd2 4.Rxb8 Rxb8 5.b3 f4 6.Re7 ± (1.28) Depth: 9 00:00:08 1300kN 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 Re8 6.f4 ± (1.18) Depth: 10 00:00:17 2800kN 1...Qd8 ± (0.79) Depth: 12 00:00:50 8000kN 1...Qd8 2.Rxb4 h6 3.b3 dxe3 4.Rxe3 Rxe3 5.fxe3 Qe8 6.Kf2 ² (0.56) Depth: 12 00:04:35 41850kN 1...Qd8 2.exd4 Ra8 3.Rxe8+ Qxe8 4.Qc1 Qe2 5.Rxb7 Re8 6.f4 ² (0.56) Depth: 13 00:09:44 93650kN Best wishes... Mogens
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