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Subject: Another example of very deep tactics that Computers cannot solve

Author: ALI MIRAFZALI

Date: 09:48:22 12/07/01

The following position occured in one of the oldest Correspondence games
played in America:
[D] 2kr3r/ppp2ppp/1b3nq1/4p2b/1PB1P3/2P1B3/P1QN1PPP/R4RK1  b   - 0 1
This game was played in 1840.
Here black played 15...Rxd2!! Game finished with 16.Qxd2 Nxe4 17.Qc1 Bf3
18.g3 h5! 19.Bd5 h4 20.Bxe4 Qxe4 21.Bxb6 Qg4 22.Qe3 axb6 23.R(f)-b1  e4
24.Qe1 f5! 25.Rb2 f4 26.R(a)-b1  Black announced Mate in Some number of moves.
Fritz 6 and chessmaster 8000 donot see 15...Rxd2!! No matter how long one runs
the position.
Does your program see 15...Rxd2!!!.Althuogh Tactics is the area that Computers
are naturally strong ;it is interesting that one still runs into tactical
positions which programs cannot solve.Please indicate your result.

Re: Another example of very deep tactics that Computers cannot solve Janosch Zwerensky 06:28:01 12/08/01
Junior 7 analysis Kurt Utzinger 00:35:45 12/08/01
Re: Another example of very deep tactics that Computers cannot solve Dann Corbit 18:32:17 12/07/01
Re: Another example of very deep tactics that Computers cannot solve Dann Corbit 18:03:20 12/07/01
- Re: Another example of very deep tactics that Computers cannot solve Roy Eassa 08:47:34 12/08/01
- Re: Another example of very deep tactics that Computers cannot solve Uri Blass 23:46:14 12/07/01
  - Re: Another example of very deep tactics that Computers cannot solve Dann Corbit 00:33:06 12/08/01
- Re: Another example of very deep tactics that Computers cannot solve Ed Schröder 23:36:55 12/07/01
Re: Another example of very deep tactics that Computers cannot solve Roy Eassa 11:59:09 12/07/01
Re: Another example of very deep tactics that Computers cannot solve John Merlino 11:35:00 12/07/01
Re: Another example of very deep tactics that Computers cannot solve Marc van Hal 11:25:56 12/07/01
Re: Another example of very deep tactics that Computers cannot solve Leo Dijksman 10:53:01 12/07/01
- Re: Another example of very deep tactics that Computers cannot solve Uri Blass 11:09:56 12/07/01
  - Re: Another example of very deep tactics that Computers cannot solve Leo Dijksman 11:42:39 12/07/01
Re: Another example of very deep tactics that Computers cannot solve ALI MIRAFZALI 09:51:37 12/07/01
- Re: Another example of very deep tactics that Computers cannot solve Joshua Lee 09:59:38 12/07/01
  - Re: Another example of very deep tactics that Computers cannot solve Uri Blass 10:08:18 12/07/01
    - Re: Another example of very deep tactics that Computers cannot solve José Carlos 10:12:19 12/07/01
    - Re: Another example of very deep tactics that Computers cannot solve Uri Blass 10:10:58 12/07/01

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