Ruben Gideon Koellner's chess openings
IM🇩🇪 GermanyFIDE 25352,364 games
Ruben Gideon Koellner, International Master from Germany, has 2,364 tournament games in the ChessPrep database. As White, Ruben Gideon Koellner most often opens with 1.d4 (97% of games). As Black, against 1.e4 the usual reply is 1...d6, the Pirc Defense; against 1.d4 it is 1...d6.
As White1,185 games · +573 =194 −418 · 57%
As Black1,179 games · +492 =205 −482 · 50%
As White
- 1.d4 Queen's Pawn Opening97%1,145 games · scores 56% · main line 1.d4 Nf6 2.Nf3 g6 3.Nbd2 d5
- 1.e4 King's Pawn Opening1%16 games · scores 63% · main line 1.e4 c6 2.d4 d5 3.e5 Bf5
- 1.Nf3 Réti Opening1%14 games · scores 71% · main line 1.Nf3 Nf6 2.e3 d5 3.d4 c5
As Black against 1.e4
- 1...d6 Pirc Defense88%498 games · scores 54% · main line 1.e4 d6 2.d4 Nf6 3.Nc3 e5
- 1...e5 Open Game10%59 games · scores 60% · main line 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6
- 1...c6 Caro-Kann Defense1%4 games · scores 88% · main line 1.e4 c6 2.Nc3 d5 3.Nf3 Nf6
As Black against 1.d4
- 1...d684%309 games · scores 47% · main line 1.d4 d6 2.Nf3 Nf6 3.c4 g6
- 1...d5 Closed Game10%38 games · scores 51% · main line 1.d4 d5 2.c4 e6 3.Nc3 Nf6
- 1...Nf6 Indian Defense4%15 games · scores 50% · main line 1.d4 Nf6 2.c4 e5 3.dxe5 Ng8
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