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The translation
from the original Russian is by Douglas Griffin.)
Petrosian – Fischer
4 match-game, Candidates’ Final, Buenos Aires, 12th October 1971
th
1.c4 c5 2.Nf3
More natural seems 2.Nc3, but after this continuation Black rapidly establishes control over d4
and obtains a comfortable game. For example, after 2...g6 3.Nf3 Bg7 4.d4 cxd4 5.Nxd4 Nc6 the
knight has to spend a tempo on withdrawal, or White has to reconcile himself to 6.e3, which does
not promise him much. After the quieter continuation 2...g6 3.g3 Bg7 4.Bg2 Nc6 5.Nf3 e6 6.0–0
Nge7 followed by ...d7–d5 Black satisfactorily solves the problem of the opening.
5...Nf6 6.Nc3 d6
Fischer chose the same order of moves in the 2nd game of his match with Larsen.
7.f3
In this position Larsen played 7.Be2 and later there unexpectedly arose difficulties for White on
account of the fact that the e4–pawn proved to be insufficiently defended. This was a consequence
of the excessively sharp attack by Larsen, f2–f4–f5. Petrosian, however, likes to post the pieces
more reliably and securely.
14...Qxd2+ 15.Kxd2
Now the game forcibly transposes into a completely level ending.
15...Nxd5 16.cxd5
Possibly, a more interesting struggle would have arisen after 16.exd5, but then too one can hardly
speak of any sort of advantage for White.