Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Test position (Averbach-Friedstein, 1946) (crafty19.17)

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



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.