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Jon Ulfur Hafthorsson's chess openings

🇮🇸 IcelandFIDE 188270 games

Jon Ulfur Hafthorsson, from Iceland, has 70 tournament games in the ChessPrep database. As White, Jon Ulfur Hafthorsson most often opens with 1.d4 (52% of games). As Black, against 1.e4 the usual reply is 1...e5, the Open Game; against 1.d4 it is 1...Nf6.

As White29 games · +11 =6 −12 · 48%
As Black41 games · +12 =5 −24 · 35%

As White

  1. 1.d4 Queen's Pawn Opening52%
    15 games · scores 50% · main line 1.d4 d6 2.Nc3 Nf6 3.e4 g6
  2. 1.e4 King's Pawn Opening41%
    12 games · scores 46% · main line 1.e4 e5 2.Nc3 Nf6 3.f4 d5
  3. 1.b3 Nimzo-Larsen Attack7%
    2 games · scores 50% · main line 1.b3 d5 2.Bb2 Nc6 3.Nf3 Bf5

As Black against 1.e4

  1. 1...e5 Open Game56%
    9 games · scores 44% · main line 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5
  2. 1...c5 Sicilian Defense44%
    7 games · scores 29% · main line 1.e4 c5 2.Nf3 Nc6 3.Bb5 e6

As Black against 1.d4

  1. 1...Nf6 Indian Defense95%
    19 games · scores 37% · main line 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7
  2. 1...a55%
    1 game · scores 50% · main line 1.d4 a5 2.e4 d6 3.Nf3 g6

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