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APA: ATTACK PRINCIPAL ATTACKER (DISC. ATTACK)
Compiled by notyetagm
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Meeting the threat of a <DISCOVERED ATTACK> by attacking the masked line piece, which Weteschnik calls the <PRINCIPAL ATTACKER>.

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NOTE: Seirawan's comment in which he saw the *only* defense to the <DISCOVERY CHAIN> White g1-king + Black g2-bishop + Black g5-queen as 1 h2-h4!, meeting 1 ... ♗g2x♗f3+?? 2 h4x♕g5, in his analysis of a variation of Nakamura vs F Vallejo Pons, 2011.

12 Nd4-f3! attacks the Black h4-queen principal attacker
Fischer vs J Bednarski, 1966 
(B90) Sicilian, Najdorf, 22 moves, 1-0

1 h2-h4! meets discovery threat 1 ... Bg2xBf3+?? with 2 h4xQg5
Nakamura vs F Vallejo Pons, 2011 
(A25) English, 59 moves, 1-0

30 Qe6-d7+! 1-0 meets discovery 30 ... Rf2-f7+ with 31 Qd7xBd4
A Ushenina vs Svidler, 2013 
(D85) Grunfeld, 30 moves, 1-0

3 games

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