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Igor Efimov with the black pieces [X]

move	games	white wins - draws - black wins %
1. e4	58	31% 25.9% 43.1%
1. d4	33	45.5% 24.2% 30.3%
1. c4	10	60% 30%
1. Nf3	9	44.4% 22.2% 33.3%
1. f4	V Malaniuk vs I Efimov, 1985 1-0
1. g3	T Markowski vs I Efimov, 2004 0-1