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Calvin John Klaasen's chess openings

17 games

Calvin John Klaasen has 17 tournament games in the ChessPrep database. As White, Calvin John Klaasen most often opens with 1.d4 (63% of games). As Black, against 1.e4 the usual reply is 1...c5, the Sicilian Defense; against 1.d4 it is 1...d5.

As White8 games · +3 =4 −1 · 63%
As Black9 games · +2 =4 −3 · 44%

As White

  1. 1.d4 Queen's Pawn Opening63%
    5 games · scores 60% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7
  2. 1.e4 King's Pawn Opening25%
    2 games · scores 75% · main line 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6
  3. 1.c4 English Opening13%
    1 game · scores 50% · main line 1.c4 Nf6 2.Nc3 e6 3.d4 c5

As Black against 1.e4

  1. 1...c5 Sicilian Defense50%
    3 games · scores 83% · main line 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4
  2. 1...e5 Open Game33%
    2 games · scores 25% · main line 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5
  3. 1...c6 Caro-Kann Defense17%
    1 game · scores 50% · main line 1.e4 c6 2.d4 d5 3.e5 Bf5

As Black against 1.d4

  1. 1...d5 Closed Game67%
    2 games · scores 25% · main line 1.d4 d5 2.Nf3 Nf6 3.g3 c6
  2. 1...Nf6 Indian Defense33%
    1 game · scores 0% · main line 1.d4 Nf6 2.Nf3 b6 3.g3 Bb7

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