Fischer Defense
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| Moves | 1.e4 e5 2.f4 exf4 3.Nf3 d6 | ||||||||||||||||||||||||||||||||||||||||||||
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| ECO | C34 | ||||||||||||||||||||||||||||||||||||||||||||
| Origin | 1961, Bobby Fischer | ||||||||||||||||||||||||||||||||||||||||||||
| Named after | Bobby Fischer | ||||||||||||||||||||||||||||||||||||||||||||
| Parent | King's Gambit | ||||||||||||||||||||||||||||||||||||||||||||
The Fischer Defense to the King's Gambit is a chess opening variation that begins with the moves:
Although 3...d6 was previously known, it did not become a major variation until Fischer advocated it in a famous 1961 article in the first issue of the American Chess Quarterly.
In the Encyclopaedia of Chess Openings, the Fischer Defense is given the code C34.
After Bobby Fischer lost a 1960 game at Mar del Plata to Boris Spassky, in which Spassky played the Kieseritzky Gambit, Fischer left in tears and promptly went to work at devising a new defense to the King's Gambit. In Fischer's 1961 article, "A Bust to the King's Gambit", he claimed, "In my opinion the King's Gambit is busted. It loses by force." Fischer concluded the article with the famous line, "Of course White can always play differently, in which case he merely loses differently. (Thank you, Weaver Adams!)" The article became famous.
Remarkably, Fischer later played the King's Gambit himself with great success, including winning all three tournament games in which he played it. However, he played the Bishop's Gambit (1.e4 e5 2.f4 exf4 3.Bc4) rather than the King's Knight Gambit (3.Nf3), the only line that he analyzed in his article.
Fischer called 3...d6 "a high-class waiting move". It allows Black to hold the gambit pawn with ...g5 (unless White plays the immediate 4.h4) while avoiding the Kieseritzky Gambit (1.e4 e5 2.f4 exf4 3.Nf3 g5 4.h4 g4 5.Ne5). Fischer asserted that 3...g5 "is inexact because it gives White drawing chances" after 4.h4 g4 5.Ne5 Nf6 6.d4 d6 7.Nd3 Nxe4 8.Bxf4 Bg7 9.c3! (improving on Spassky's 9.Nc3) Qe7 10.Qe2 Bf5 11.Nd2, which, according to Fischer, "leads to an ending where Black's extra pawn is neutralized by White's stranglehold on the dark squares, especially [f4]".
After 1.e4 e5 2.f4 exf4 3.Nf3 d6 the most common response is 4.d4. If White now tries to force transpositions to Becker Defense (3...h6) or Classical Defense (3...g5) positions, then White can end up in difficulties. Fischer analyzed 4.d4 g5 5.h4 g4 6.Ng5 f6 7.Nh3 gxh3 8.Qh5+ Kd7 9.Bxf4 Qe8! 10.Qf3 Kd8 "and with King and Queen reversed, Black wins easily".
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