♞ ChessPrepOpen the app

Koscielski, J's chess openings

FM🇩🇪 GermanyFIDE 226394 games

Koscielski, J, FIDE Master from Germany, has 94 tournament games in the ChessPrep database. As White, Koscielski, J most often opens with 1.e4 (96% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...Nf6.

As White53 games · +19 =12 −22 · 47%
As Black41 games · +13 =7 −21 · 40%

As White

  1. 1.e4 King's Pawn Opening96%
    51 games · scores 49% · main line 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6
  2. 1.d4 Queen's Pawn Opening2%
    1 game · scores 0% · main line 1.d4 f5 2.c4 Nf6 3.Nc3 e6
  3. 1.g3 Hungarian Opening2%
    1 game · scores 0% · main line 1.g3 Nf6 2.Bg2 g6 3.e4 d6

As Black against 1.e4

  1. 1...c5 Sicilian Defense76%
    13 games · scores 38% · main line 1.e4 c5 2.Nf3 d6 3.d4 cxd4
  2. 1...c6 Caro-Kann Defense18%
    3 games · scores 33% · main line 1.e4 c6 2.Nf3 d5 3.Nc3 Bg4
  3. 1...e6 French Defense6%
    1 game · scores 100% · main line 1.e4 e6 2.d4 d5 3.Nd2 Nf6

As Black against 1.d4

  1. 1...Nf6 Indian Defense93%
    13 games · scores 27% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7
  2. 1...d67%
    1 game · scores 100% · main line 1.d4 d6 2.e4 Nf6 3.Nc3 e5

Playing Koscielski, J soon?

ChessPrep shows every line Koscielski, J plays as White and as Black, where they score worst, and how your own openings cover them — then drills your answers.

Prepare in ChessPrep

Similar players