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Old December 10th 03, 04:35 PM
Rosalie Mignon
 
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Default Two Kasparián studies demolished

At http://perso.wanadoo.fr/jmrw/Chess/Kasparian/base.htm

the study named "Une minute de silence" (8) and the study "Le Prix ŕ Payer"
the last one are demolitions.

If you don't agree reply !

o)

JMR


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Old December 11th 03, 03:15 AM
Claus-Jürgen Heigl
 
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Default Two Kasparián studies demolished

Rosalie Mignon wrote:

At http://perso.wanadoo.fr/jmrw/Chess/Kasparian/base.htm

the study named "Une minute de silence" (8) and the study "Le Prix ŕ Payer"
the last one are demolitions.

If you don't agree reply !


I agree, but some comments to the study "Une minute de silence"

FEN: N1r4k/1p6/6B1/2b5/8/8/1RKP4/8 w - -

In your refutation line

1. Ra2 Ba7+ 2. Kd1 Rxa8 3. Bh5 (so far Kasparian, with the idea
3...Kg7 4. Bg4 Kh6 5. Bh3 Kg5 6. Bg2 Kf4 7. Bxb7 +-) 3...b5 4. Bf7 b4
5. Bb3 (5. Ra4 b3 6. Bxb3 Rd8 (or 6...Rb8 7. Rxa7 Rxb3 =) 7. Rxa7
Rxd2+ 8. Kc1 is a draw according to tablebases) 6. Rxa7 Rxd2+ White
can avoid stalemate with 7. Kc1. Without the pawn this is a draw
according to tablebases but I don't think the pawn is a disadvantage
to Black, so this is a draw likely.

Black can reach the same position with 3...Kg7 4. Bh5 Kh8 5. Bh3 b5 6.
Be6 b4 (not 6...Re8? 7. Bd7 +-) 7. Bb3 (7. Kc2 b3+ =) 7...Rd8 8. Rxa7
Rxd2+ 9. Kc1.

Because of the two opportunities to draw this study even can't be
reworked to a "white to begin and draw" with reversed colours.
(FEN: 8/r1kp4/8/8/2B5/6b1/1P6/n1R4K w - - ).

Claus-Juergen
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