John Costello's chess openings
IOMFIDE 180610 games
John Costello has 10 tournament games in the ChessPrep database. As White, John Costello most often opens with 1.d4 (100% of games). As Black, against 1.e4 the usual reply is 1...d6, the Pirc Defense; against 1.d4 it is 1...Nf6.
As White4 games · +0 =1 −3 · 13%
As Black6 games · +3 =0 −3 · 50%
As White
- 1.d4 Queen's Pawn Opening100%4 games · scores 13% · main line 1.d4 Nf6 2.c4 e6 3.Nf3 b6
As Black against 1.e4
- 1...d6 Pirc Defense67%2 games · scores 50% · main line 1.e4 d6 2.d4 Nf6 3.Bd3 g6
- 1...d5 Scandinavian Defense33%1 game · scores 0% · main line 1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5
As Black against 1.d4
- 1...Nf6 Indian Defense100%1 game · scores 100% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 d5
Playing John Costello soon?
ChessPrep shows every line John Costello plays as White and as Black, where they score worst, and how your own openings cover them — then drills your answers.
Prepare in ChessPrep