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Viktor Korchnoi vs Sergey Dolmatov
Ch World FIDE (play-off) (1999) (rapid), Las Vegas, NV USA, rd 2, Aug-05
English Opening: Anglo-Dutch Defense (A10)  ·  1-0


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Kibitzer's Corner
Jan-16-07  notyetagm: White To Play: 30 ?

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Black has just blundered with 29 ... ♖e8-e6?, which simply lines up too many Black pieces on light squares (Black d7-rook, e6-rook, h7-king).

Using the <RELOADER> theme, White (Korchnoi) could have won material with the <SKEWER> 30 ♗f5!, <SKEWERING> the Black d7- and e6-rooks that Black has foolishly lined up diagonally (never line up your rooks diagonally!).

The point is that if Black plays 30 ... gxf5, then White <RELOADS> on f5 with his queen with 31 ♕xf5+, which also <SKEWERS> the undefended Black rooks and checks the Black king to boot.

(VAR) Position after 30 ♗f5! gxf5? 31 ♕xf5+:

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The <RELOADER> theme is very tricky. Here Black's problem is that one defender (Black g6-pawn) cannot keep out two attackers (White e4-bishop, c2-queen). Although it looks as though the f5-square is well defended by the Black g6-pawn, the pawn defends the square only one time, which is clearly insufficient when White attacks the square twice.

Strange how Korchnoi and Dolmatov, two very strong players, both missed this winning idea for White on moves 30 -and- 31.

Jan-16-07  notyetagm: Not a good tactical game by Dolmatov.

First he played 29 ... ♖e6??, allowing the unlikely <SKEWER> of his d7- and e6-rooks with 30 ♗f5!, which White could have also played on move 31.

Then he finished off with the howler 36 ... ♖d7-e7??, leaving his d6-rook undefended in the middle of an open board and lined up with his exposed h7-king via the h2 <TACTICAL BASE>. Needless to say, Korchnoi (White) played 37 ♕h2+, a simple <DOUBLE ATTACK WITH CHECK> which wins a whole rook.

Position after 36 ... ♖e7?? 37 ♕h2+:

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29 ... ♖e6?? 36 ... ♖e7?? Very poor tactical play for a GM.

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Featured in the Following Game Collections[what is this?]
29 - Re6?? lines up Black d7-, e6-rooks, allows skewer 30 Bf5!
from Do not line up your rook diagonally! by notyetagm
30.? [Answer in Kibitzing]
from John Emms' Ultimate Chess Puzzle Book Set 1 by The Last Straw
30 Bf5! Black g6-pawn cannot keep out White e4-bishop, c2-queen
from RELOAD: using right piece to exploit alignment by notyetagm
1999 - FIDE World Championship KO Tournament
by amadeus

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