John A Grefe's chess openings
Peak rating 2502160 games
John A Grefe has 160 tournament games in the ChessPrep database. As White, John A Grefe most often opens with 1.e4 (67% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.
As White83 games · +33 =32 −18 · 59%
As Black77 games · +15 =35 −27 · 42%
As White
- 1.e4 King's Pawn Opening67%56 games · scores 55% · main line 1.e4 c5 2.Nf3 d6 3.d4 cxd4
- 1.c4 English Opening20%17 games · scores 76% · main line 1.c4 g6 2.Nc3 Bg7 3.d4 d6
- 1.d4 Queen's Pawn Opening8%7 games · scores 57% · main line 1.d4 Nf6 2.c4 c5 3.Nf3 e6
As Black against 1.e4
- 1...c5 Sicilian Defense77%24 games · scores 44% · main line 1.e4 c5 2.Nf3 d6 3.d4 cxd4
- 1...g6 Modern Defense13%4 games · scores 63% · main line 1.e4 g6 2.d4 Bg7 3.Nc3 c6
- 1...e6 French Defense10%3 games · scores 17% · main line 1.e4 e6 2.d4 d5 3.e5 c5
As Black against 1.d4
- 1...Nf6 Indian Defense82%23 games · scores 46% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7
- 1...e6 Horwitz Defense7%2 games · scores 25% · main line 1.d4 e6 2.e4 d5 3.e5 c5
- 1...d5 Closed Game7%2 games · scores 25% · main line 1.d4 d5 2.c4 e6 3.Nc3 Nf6
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