John Courtney's chess openings
🇮🇪 IrelandFIDE 207452 games
John Courtney, from Ireland, has 52 tournament games in the ChessPrep database. As White, John Courtney most often opens with 1.d4 (100% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.
As White24 games · +8 =5 −11 · 44%
As Black28 games · +8 =5 −15 · 38%
As White
- 1.d4 Queen's Pawn Opening100%24 games · scores 44% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7
As Black against 1.e4
- 1...c5 Sicilian Defense100%15 games · scores 33% · main line 1.e4 c5 2.Nf3 d6 3.d4 cxd4
As Black against 1.d4
- 1...Nf6 Indian Defense100%7 games · scores 43% · main line 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+
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