O'Brien, M.'s chess openings
6 games
O'Brien, M. has 6 tournament games in the ChessPrep database. As White, O'Brien, M. most often opens with 1.Nf3 (50% of games). As Black, against 1.e4 the usual reply is 1...c6, the Caro-Kann Defense; against 1.d4 it is 1...f5.
As White2 games · +0 =2 −0 · 50%
As Black4 games · +1 =1 −2 · 38%
As White
- 1.Nf3 Réti Opening50%1 game · scores 50% · main line 1.Nf3 d5 2.b3 Nf6 3.Bb2 Bf5
- 1.d4 Queen's Pawn Opening50%1 game · scores 50% · main line 1.d4 Nf6 2.Nf3 e6 3.Bg5 d5
As Black against 1.e4
- 1...c6 Caro-Kann Defense100%1 game · scores 0% · main line 1.e4 c6 2.c4 e5 3.Nf3 d6
As Black against 1.d4
- 1...f5 Dutch Defense100%1 game · scores 0% · main line 1.d4 f5 2.Bg5 g6 3.Nc3 d5
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