Author: Frank E. Oldham
Date: 20:44:55 10/11/04
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?
crafty19.17 on Mac dual 2GHz G5
finds Rh3 in ply 12 but takes a bit longer -- ply 14 -- to see the Rf4 follow-up
11-> 1:13 0.04 1. Bf3 b4 2. Bxf6 gxf6 3. Ne2 exf5
4. exf5 Bb5 5. Rc1 Qc5 6. Qe4 d5 7.
Qg4 (s=7)
12 1:20 0.01 1. Bf3 e5 2. Qd3 h6 3. Bxf6 Bxf6 4.
Bd1 Qb7 5. Bf3 b4 6. Ne2 d5 7. exd5
Bxd5 8. Bxd5 Rxd5 (s=6)
12 5:31 0.08 1. Rh3 Qb7 2. Qf2 Nxe4 3. Nxe4 Bxe4
4. f6 Bxf6 5. Bxf6 gxf6 6. Qxf6+ Kg8
7. Rg3+ Bg6 8. Bf3 Qc7 9. Be4
12-> 5:31 0.08 1. Rh3 Qb7 2. Qf2 Nxe4 3. Nxe4 Bxe4
4. f6 Bxf6 5. Bxf6 gxf6 6. Qxf6+ Kg8
7. Rg3+ Bg6 8. Bf3 Qc7 9. Be4
13 11:26 0.15 1. Rh3 Kg8 2. fxe6 fxe6 3. Rhf3 b4
4. Bxf6 Rxf6 5. Rxf6 gxf6 6. Nd1 a5
7. Bg4 Qd7 8. c3
13-> 13:44 0.15 1. Rh3 Kg8 2. fxe6 fxe6 3. Rhf3 b4
4. Bxf6 Rxf6 5. Rxf6 gxf6 6. Nd1 a5
7. Bg4 Qd7 8. c3
14 33:01 0.44 1. Rh3 Qb7 2. Rf4 Nxe4 3. Bxe7 e5 4.
Rfh4 Nf6 5. Bxf6 Bxg2+ 6. Kg1 Bxh3
7. Qe4 d5 8. Qe3 gxf6 9. Qxh3
14-> 37:15 0.44 1. Rh3 Qb7 2. Rf4 Nxe4 3. Bxe7 e5 4.
Rfh4 Nf6 5. Bxf6 Bxg2+ 6. Kg1 Bxh3
7. Qe4 d5 8. Qe3 gxf6 9. Qxh3
Frank
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