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Jorma Mertanen's chess openings

FM🇫🇮 FinlandFIDE 230125 games

Jorma Mertanen, FIDE Master from Finland, has 25 tournament games in the ChessPrep database. As White, Jorma Mertanen most often opens with 1.d4 (100% of games). As Black, against 1.e4 the usual reply is 1...c6, the Caro-Kann Defense; against 1.d4 it is 1...d5.

As White7 games · +2 =2 −3 · 43%
As Black18 games · +4 =8 −6 · 44%

As White

  1. 1.d4 Queen's Pawn Opening100%
    7 games · scores 43% · main line 1.d4 Nf6 2.Nc3 d5 3.Bg5 e6

As Black against 1.e4

  1. 1...c6 Caro-Kann Defense64%
    7 games · scores 43% · main line 1.e4 c6 2.d4 d5 3.e5 Bf5
  2. 1...Nc6 Nimzowitsch Defense36%
    4 games · scores 63% · main line 1.e4 Nc6 2.d4 e5 3.Nf3 exd4

As Black against 1.d4

  1. 1...d5 Closed Game100%
    4 games · scores 13% · main line 1.d4 d5 2.c4 Nc6 3.cxd5 Qxd5

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