Jon Jacobs's chess openings
FM🇺🇸 United StatesFIDE 202541 games
Jon Jacobs, FIDE Master from United States, has 41 tournament games in the ChessPrep database. As White, Jon Jacobs most often opens with 1.e4 (83% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...b6.
As White18 games · +5 =6 −7 · 44%
As Black23 games · +5 =2 −16 · 26%
As White
- 1.e4 King's Pawn Opening83%15 games · scores 43% · main line 1.e4 c5 2.d4 cxd4 3.c3 dxc3
- 1.c4 English Opening6%1 game · scores 50% · main line 1.c4 e6 2.Nf3 d5 3.d4 Nf6
- 1.b3 Nimzo-Larsen Attack6%1 game · scores 100% · main line 1.b3 e5 2.Bb2 Nc6 3.c4 Nf6
As Black against 1.e4
- 1...c5 Sicilian Defense69%9 games · scores 33% · main line 1.e4 c5 2.Nf3 d6 3.d4 cxd4
- 1...b6 Owen's Defense31%4 games · scores 25% · main line 1.e4 b6 2.d4 Bb7 3.Nc3 e6
As Black against 1.d4
- 1...b6 English Defense50%2 games · scores 0% · main line 1.d4 b6 2.c4 Bb7 3.Nc3 e6
- 1...g6 Modern Defense25%1 game · scores 100% · main line 1.d4 g6 2.Nf3 Bg7 3.Bf4 d6
- 1...d5 Closed Game25%1 game · scores 0% · main line 1.d4 d5 2.c4 c6 3.Nc3 Nf6
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