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Habu's Words 2

Example-1

Game 9  (19/30)
Chiaki Ito
Katsumasa Egoshi
10 K48 (Daiagram 1)
... Chiaki Ito (5-dan, Tailand) - Katsumasa Egoshi (5-dan, Brazil) Amateur World Championship, Final Game, New York 21-5-2000
1 P76 ... diagram 1
Diagram 1 shows a rare opening formation of Black's sujichigaikaku-shikenbisha (parallel-diagonal bishop with fourth file rook).
Black has one pawn profit, but his bishop is on the board. Normally, comparing a bishop which is in hand with one on the board, the former is of higher worth; so White has lost a pawn but here the position is balanced.
White now played 10...K42, wich seems a natural move, but there is a better move here.
It is 10...P44, which, if ignored, will occupy a vangaurd position by   ...P45 next, and such moves as ...S34, ...G(52)43. And if 11 P46, then ...P45, 12 Px45, S34, variation diagram D, with White aiming next for ...S(34)x45, ...G(52)43, ...N33 or ..R42.
The move 10 G(69)58 is better for Black, instead of 10 K48, as it is then possible to oppose 10 ...P44 with 11 P46 ... variation diagram E.
We play the moves K48 and ...K42 without thinking, but considered from the point of view of thickness, it is an important position here. Espacially as Black already uses his bishop, and the result of this strategy will be shown by whether the path of the bishop stays open or not.
After White's 10...K42, both players continued development in good style with 11 K38, ... diagram 2.
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