Rory O'Brien's chess openings
38 games
Rory O'Brien has 38 tournament games in the ChessPrep database. As White, Rory O'Brien most often opens with 1.e4 (71% of games). As Black, against 1.e4 the usual reply is 1...c6, the Caro-Kann Defense; against 1.d4 it is 1...d5.
As White21 games · +12 =4 −5 · 67%
As Black17 games · +4 =5 −8 · 38%
As White
- 1.e4 King's Pawn Opening71%15 games · scores 70% · main line 1.e4 e6 2.d3 d5 3.Nd2 c5
- 1.Nf3 Réti Opening19%4 games · scores 50% · main line 1.Nf3 Nf6 2.c4 c5 3.Nc3 d5
- 1.c4 English Opening5%1 game · scores 50% · main line 1.c4 f5 2.Nc3 Nf6 3.d4 b6
As Black against 1.e4
- 1...c6 Caro-Kann Defense75%6 games · scores 25% · main line 1.e4 c6 2.d4 d5 3.Nc3 dxe4
- 1...c5 Sicilian Defense25%2 games · scores 50% · main line 1.e4 c5 2.b4 cxb4 3.a3 d5
As Black against 1.d4
- 1...d5 Closed Game100%2 games · scores 75% · main line 1.d4 d5 2.c4 e6 3.Nc3 Nf6
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