Author: John Merlino
Date: 17:59:37 10/08/04
Go up one level in this thread
On October 08, 2004 at 18:47:37, Alessandro Scotti wrote: >I've found the following position in a book by Averbach and Bejlin, it is from a >1946 game between Averbach and Friedstein: > >[D]3r1r1k/2q1bppp/p1bppn2/1p3PB1/3QP3/2N3R1/PPP1B1PP/5R1K w - - 0 3 > >Here Averbach played Rh3! (his own annotation) and went on to win with a nice >mate combination. The following of the game was: 1... Qb7 2. Rf4! Nxe4 3. Bxe7 >Nxc3 4. Qxg7+! Kxg7 5. Rg4+ Rh8 6. Bf6# > >Kiwi likes 1. fxe6 with an even score... what does your favorite engine finds? CM9_SKR on an AMD 2500 finds Rh3 in 0:34, but does not see the Rf4 follow up. It would probably spot it at the next depth after the last one below, which would come after about 6-7 minutes. Time Depth Score Positions Moves 0:00 1/3 0.29 4100 3.a4 e5 4.Qd3 0:00 1/3 0.32 6461 3.fxe6 fxe6 4.Kg1 Rc8 0:00 1/4 0.11 25209 3.fxe6 fxe6 4.Rh3 Ng4 5.Rxf8+ Rxf8 6.Bxe7 Qxe7 7.Nxb5 0:00 1/4 0.41 26944 3.a4 e5 4.Qd3 bxa4 0:00 1/5 0.13 65545 3.a4 e5 4.Qd3 b4 5.Nd5 Nxd5 6.exd5 Bxa4 7.Bxe7 Qxe7 8.Qxa6 0:00 1/6 0.27 162430 3.a4 e5 4.Qd3 b4 5.Bxf6 Bxf6 6.Nd5 Bxd5 7.Qxd5 Qxc2 8.Bxa6 Qxa4 0:02 1/7 0.15 387254 3.a4 e5 4.Qd3 bxa4 5.Rd1 Bb7 6.Ra1 0:10 1/8 0.05 2075590 3.a4 bxa4 4.fxe6 fxe6 5.Bxa6 Rb8 6.Bc4 e5 7.Bxf6 Rxf6 0:29 1/8 0.10 5905512 3.a3 Qb7 4.Bf3 Rc8 5.Qd3 b4 6.axb4 Qxb4 7.fxe6 fxe6 0:34 1/8 0.13 7026448 3.Rh3 Rb8 4.a3 e5 5.Qf2 Kg8 6.Qh4 h6 0:48 1/9 0.08 9946766 3.Rh3 Qb7 4.Qf2 Kg8 5.Qh4 h6 6.Bxh6 Bxe4 7.Rg3 2:20 1/10 0.14 30450502 3.Rh3 Qb7 4.Qf2 Bxe4 5.Nxe4 Qxe4 6.Bd3 Qg4 7.Bxf6 Bxf6 8.fxe6 fxe6 9.Rxh7+ Kg8 Of course, 3...Nxc3 fails miserably, and 3...Ng5 would allow Black to continue. jm
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