Author: Simon Finn
Date: 01:18:34 09/21/01
Go up one level in this thread
On September 20, 2001 at 17:59:05, Janosch Zwerensky wrote:
>
>>That's why White has to discover Fischer's combination of Rb5 and Ka8
>>(preventing ...Kb8) followed by a check on the c-file.
>
>Anyway, I couldn't defend this endgame successfully today playing against Crafty
>18.07 when I gave it enough time for it to come back with a 3.4+ eval each move:
Well - it is a lost position for Black!
>
>[Event "Edited game"]
>[Site "none"]
>[Date "2001.09.20"]
>[Round "-"]
>[White "-"]
>[Black "-"]
>[Result "*"]
>[FEN "8/2k5/1p4R1/1K6/P2b4/8/8/8 w - - 0 1"]
>[SetUp "1"]
>
>{--------------
>. . . . . . . .
>. . k . . . . .
>. p . . . . R .
>. K . . . . . .
>P . . b . . . .
>. . . . . . . .
>. . . . . . . .
>. . . . . . . .
>white to play
>--------------}
>1. Ka6 Be3 2. Rg8 Bf2 3. Rg5 Be3 4. Rb5 Bd4 5. Ka7 Be3 6. Rb3 Bd4 7. Rb4
>Bc5 8. Rc4 Kc6 9. Ka6 Kd6 10. Kb5 Be3 11. Rc3 Bf2 12. Rf3 Bg1 13. Rf7 Bd4
>14. Rb7 Bf2 15. Rxb6+
>
>I realize that my play probably was quite suboptimal. Where would you first have
>deviated from black's moves?
5...Bc5 is worth a try.
Then Black can answer 6. a5 with 6...Kc6 after which
7. Rxb6+ Kc7 is a well-known drawn and
7. a6 Kc7 is also drawn, I think (but I'm less sure about this one).
So White has to play 6. Ka8 and continue with the Fischer plan.
Simon
>
>Regards,
>Janosch.
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