Jan Koscak's chess openings
Peak rating 178712 games
Jan Koscak has 12 tournament games in the ChessPrep database. As White, Jan Koscak most often opens with 1.d4 (100% of games). As Black, against 1.e4 the usual reply is 1...e5, the Open Game; against 1.d4 it is 1...Nf6.
As White4 games · +0 =1 −3 · 13%
As Black8 games · +1 =2 −5 · 25%
As White
- 1.d4 Queen's Pawn Opening100%4 games · scores 13% · main line 1.d4 Nf6 2.Nf3 e6 3.c4 b6
As Black against 1.e4
- 1...e5 Open Game100%3 games · scores 50% · main line 1.e4 e5 2.Nf3 Nc6 3.c3 d5
As Black against 1.d4
- 1...Nf6 Indian Defense100%1 game · scores 0% · main line 1.d4 Nf6 2.c4 c5 3.d5 b5
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