It so often happens that, after sacrificing a pawn, a player aims not to obtain the initiative for it, but to regain sacrificed material.
Efim GellerIt was clear to me that the vulnerable point of the American Grandmaster (Bobby Fischer) was in double-edged, hanging, irrational positions, where he often failed to find a win even in a won position
Efim GellerJust as it is wrong to work on chess by studying only the first 10-15 moves, so it is wrong to play one and the same opening system, even though it be rich in variations and nuances.
Efim Geller