Jonathan O'Connor's chess openings
🇮🇪 IrelandFIDE 2159110 games
Jonathan O'Connor, from Ireland, has 110 tournament games in the ChessPrep database. As White, Jonathan O'Connor most often opens with 1.e4 (45% of games). As Black, against 1.e4 the usual reply is 1...e6, the French Defense; against 1.d4 it is 1...Nf6.
As White58 games · +28 =16 −14 · 62%
As Black52 games · +10 =21 −21 · 39%
As White
- 1.e4 King's Pawn Opening45%26 games · scores 48% · main line 1.e4 e6 2.d4 d5 3.Nc3 Bb4
- 1.d4 Queen's Pawn Opening40%23 games · scores 70% · main line 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
- 1.Nf3 Réti Opening14%8 games · scores 81% · main line 1.Nf3 Nf6 2.g3 b5 3.Bg2 Bb7
As Black against 1.e4
- 1...e6 French Defense50%10 games · scores 45% · main line 1.e4 e6 2.d4 d5 3.Nc3 Bb4
- 1...e5 Open Game45%9 games · scores 50% · main line 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6
- 1...d6 Pirc Defense5%1 game · scores 50% · main line 1.e4 d6 2.d4 Nf6 3.Nc3 g6
As Black against 1.d4
- 1...Nf6 Indian Defense71%17 games · scores 32% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7
- 1...d5 Closed Game21%5 games · scores 30% · main line 1.d4 d5 2.Nf3 Bf5 3.c4 e6
- 1...e6 Horwitz Defense8%2 games · scores 25% · main line 1.d4 e6 2.e4 d5 3.Nc3 Bb4
Playing Jonathan O'Connor soon?
ChessPrep shows every line Jonathan O'Connor plays as White and as Black, where they score worst, and how your own openings cover them — then drills your answers.
Prepare in ChessPrep