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O'Neill, J's chess openings

🇺🇸 United StatesFIDE 170329 games

O'Neill, J, from United States, has 29 tournament games in the ChessPrep database. As White, O'Neill, J most often opens with 1.e4 (59% of games). As Black, against 1.e4 the usual reply is 1...g6, the Modern Defense; against 1.d4 it is 1...Nf6.

As White17 games · +4 =2 −11 · 29%
As Black12 games · +1 =7 −4 · 38%

As White

  1. 1.e4 King's Pawn Opening59%
    10 games · scores 30% · main line 1.e4 e5 2.Nf3 Nc6 3.d4 exd4
  2. 1.Nf3 Réti Opening24%
    4 games · scores 25% · main line 1.Nf3 d5 2.c4 c6 3.b3 Bf5
  3. 1.d4 Queen's Pawn Opening12%
    2 games · scores 50% · main line 1.d4 d5 2.Nf3 Nf6 3.e3 e6

As Black against 1.e4

  1. 1...g6 Modern Defense75%
    6 games · scores 42% · main line 1.e4 g6 2.d4 d6 3.Nc3 Bg7
  2. 1...c6 Caro-Kann Defense13%
    1 game · scores 0% · main line 1.e4 c6 2.Nc3 d5 3.Nf3 d4
  3. 1...c5 Sicilian Defense13%
    1 game · scores 0% · main line 1.e4 c5 2.Nf3 g6 3.d4 Bg7

As Black against 1.d4

  1. 1...Nf6 Indian Defense75%
    3 games · scores 67% · main line 1.d4 Nf6 2.c4 c5 3.d5 b5
  2. 1...g6 Modern Defense25%
    1 game · scores 0% · main line 1.d4 g6 2.c4 Bg7 3.e4 d6

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