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Calvin John Klaasen's chess openings

FM🇿🇦 South AfricaFIDE 217710 games

Calvin John Klaasen, FIDE Master from South Africa, has 10 tournament games in the ChessPrep database. As White, Calvin John Klaasen most often opens with 1.Nf3 (33% of games). As Black, against 1.e4 the usual reply is 1...e5, the Open Game; against 1.d4 it is 1...d5.

As White6 games · +3 =3 −0 · 75%
As Black4 games · +2 =1 −1 · 63%

As White

  1. 1.Nf3 Réti Opening33%
    2 games · scores 100% · main line 1.Nf3 Nf6 2.d4 g6 3.c4 Bg7
  2. 1.d4 Queen's Pawn Opening33%
    2 games · scores 50% · main line 1.d4 e6 2.Nf3 c5 3.e4 cxd4
  3. 1.e4 King's Pawn Opening33%
    2 games · scores 75% · main line 1.e4 c5 2.Nc3 Nc6 3.Nf3 a6

As Black against 1.e4

  1. 1...e5 Open Game100%
    1 game · scores 0% · main line 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6

As Black against 1.d4

  1. 1...d5 Closed Game67%
    2 games · scores 75% · main line 1.d4 d5 2.c4 e6 3.Nf3 c6
  2. 1...Nf6 Indian Defense33%
    1 game · scores 100% · main line 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+

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