Matthew O'Brien's chess openings
Peak rating 21727 games
Matthew O'Brien has 7 tournament games in the ChessPrep database. As White, Matthew O'Brien most often opens with 1.e4 (100% of games). As Black, against 1.e4 the usual reply is 1...Nc6, the Nimzowitsch Defense.
As White5 games · +1 =0 −4 · 20%
As Black2 games · +0 =0 −2 · 0%
As White
- 1.e4 King's Pawn Opening100%5 games · scores 20% · main line 1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6
As Black against 1.e4
- 1...Nc6 Nimzowitsch Defense50%1 game · scores 0% · main line 1.e4 Nc6 2.Nf3 d6 3.d4 e5
- 1...c5 Sicilian Defense50%1 game · scores 0% · main line 1.e4 c5 2.Nf3 d6 3.d4 cxd4
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