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[...] 1.c4 e5 2.¤c3 ¤c6 3.¤f3 ¤f6 4.g3 d5 5.cxd5 ¤xd5 6.¥g2One of the principal systems in the English Opening. A position from the Dragon Variation has arisen, with colors reversed and, consequently, with an extra tempo for White. Thus many ideas, which are typical in this position, were taken from the Sicilian Defense.
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2) White's activity in the center.
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9...a5 (Preventing b2-b4 but weakening Black's own queenside)
10.¥e3 O-O 11.¤a4! (A typical method. An exchange of the b6-knight helps White to get to Black's weakened queenside)
11...¤xa4 12.£xa4 ¥d5 13.¦fc1 ¦e8 14.¦c2 ¥f8 15.¦ac1¤b8?! (Black intends to neutralize the white pressure along the c-file by means of c7-c6)
16.¦xc7! ¥c6 17.¦1xc6! bxc6 18.¦xf7!! h6
(18...¢xf7 19.£c4 ¢g6 20.£g4 ¢f7 21.¤g5ќ)
19.¦b7 £c8 20.£c4 ¢h8 21.¤h4! £xb7 22.¤g6 ¢h7 23.¥e4¥d6 24.¤xe5 g6 25.¥xg6 ¢g7 26.¥xh6! 1:0, Botvinnik - Portisch (Monte Carlo, 1968)A | B | C | D | E | F | G | H | ||
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(11.¤a4 ¤xa4 12.£xa4 ¥d5 13.¦fc1 ¦e8 14.¦c2 ¥f8(14...¥d6!?) 15.¦ac1 Botvinnik - Portisch, Monte Carlo 1968)
11...¤d5 12.¤xd5 ¥xd5 13.£a4 f6
(13...£d7? 14.¤xe5! Polugaevsky - Huebner, Bugojno 1982)
(13...¥d6 14.¥c5 ¤e7 15.e4! ¥c6 16.£c2 b6 17.d4! )
14.¦c2 (14.¥c5!?) 14...£d7 15.¦fc1 ¦ad8
(15...£e6!? 16.¤d2 ¥xg2 17.¢xg2 £d5 18.¢g1²)
16.£b5! £e6 17.¤d2 ¥xg2 18.¢xg2 £d5 19.£xd5 ¦xd5 20.¥c5!¥xc5 21.¦xc5 ¦xc5 (21...¦fd8!?) 22.¦xc5±22...¦c8 (22...a423.¤e4 ¤c3) 23.¤c4 ¤d4
(23...a4 24.¢f1!? ¦a8 25.¤e3 ¦a5 26.¦xa5 ¤xa5 27.¤d5 c628.¤b6ќ)
24.¢f1 a4 25.¤b6! ¤e6 26.¦c1 ¦d8 27.¤xa4ќ Kalinin - Reineveld (Harlem, 1995)