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Jiri Koska's chess openings

🇸🇰 SlovakiaFIDE 198480 games

Jiri Koska, from Slovakia, has 80 tournament games in the ChessPrep database. As White, Jiri Koska most often opens with 1.Nf3 (63% of games). As Black, against 1.e4 the usual reply is 1...e6, the French Defense; against 1.d4 it is 1...Nf6.

As White38 games · +15 =10 −13 · 53%
As Black42 games · +14 =11 −17 · 46%

As White

  1. 1.Nf3 Réti Opening63%
    24 games · scores 52% · main line 1.Nf3 Nf6 2.g3 b5 3.Bg2 Bb7
  2. 1.e4 King's Pawn Opening16%
    6 games · scores 33% · main line 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5
  3. 1.d4 Queen's Pawn Opening11%
    4 games · scores 38% · main line 1.d4 d5 2.Nf3 Nf6 3.g3 e6

As Black against 1.e4

  1. 1...e6 French Defense59%
    10 games · scores 60% · main line 1.e4 e6 2.d4 d5 3.Nc3 Nf6
  2. 1...c6 Caro-Kann Defense24%
    4 games · scores 100% · main line 1.e4 c6 2.d4 d5 3.e5 c5
  3. 1...e5 Open Game6%
    1 game · scores 0% · main line 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6

As Black against 1.d4

  1. 1...Nf6 Indian Defense93%
    14 games · scores 46% · main line 1.d4 Nf6 2.c4 c5 3.d5 b5
  2. 1...d5 Closed Game7%
    1 game · scores 0% · main line 1.d4 d5 2.c4 e6 3.Nc3 Nf6

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