For the 87,000 games from the engine room of playchess.com and 18,000 games from the Mega 2023 and the Correspondence Database 2022 respectively, an opening average of at least 2300 was taken as a basis. The result is a small special book that allows meaningful statistics about an opening that doesn't equalise 100 per cent but is excellent for countering.
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The four-pawn attack used to be regarded as a rebuttal attempt to the Alekhine Defence. The following diagrammatic position arises after the moves 1.e4 Nf6 2.e5 Sd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 7.Be3 Bf5 8.Nc3 e6 9.Nf3 Be7 10.Be2 (the sharp 10.d5 is according to engine analysis =) 10...0-0 11.0-0 f6 12.exf6 Bxf6 13.Qd2
and now the continuation 13...h6 (mostly followed by 14.Rad1 Qe8) has excellent statistics.