Donal O'Sullivan's chess openings
19 games
Donal O'Sullivan has 19 tournament games in the ChessPrep database. As White, Donal O'Sullivan most often opens with 1.e4 (40% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.
As White10 games · +4 =0 −6 · 40%
As Black9 games · +0 =1 −8 · 6%
As White
- 1.e4 King's Pawn Opening40%4 games · scores 50% · main line 1.e4 e5 2.Nf3 Nc6 3.d4 exd4
- 1.d4 Queen's Pawn Opening40%4 games · scores 25% · main line 1.d4 Nf6 2.c4 c5 3.d5 b5
- 1.Nf3 Réti Opening20%2 games · scores 50% · main line 1.Nf3 Nf6 2.c4 e6 3.d4 b6
As Black against 1.e4
- 1...c5 Sicilian Defense100%6 games · scores 8% · main line 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4
As Black against 1.d4
- 1...Nf6 Indian Defense100%3 games · scores 0% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7
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