C21 is the opening Center Game of the volume C · Open games: 5 half-moves to the position in the diagram, 19 variations in the ECO table.
What the games say
204 games in the collections, from 1830 to 2021. Mean rating of the games with ratings: 2366.
White wins 44 %, draws 15 %, Black wins 41 %
Most games: Mieses, Jacques (24), Alekhine, Alexander (13), Lasker, Emanuel (13), Marshall, Frank James (10), Blackburne, Joseph Henry (8)
All 19 variations
- Center Game 1.e4 e5 2.d4 exd4 3.♕xd4
- Center Game Accepted 1.e4 e5 2.d4 exd4
- Center Game: Halasz-McDonnell Gambit 1.e4 e5 2.d4 exd4 3.f4
- Center Game: Halasz-McDonnell Gambit, Crocodile Variation 1.e4 e5 2.d4 exd4 3.f4 ♗c5 4.♘f3 ♘c6 5.c3
- Center Game: Kieseritzky Variation 1.e4 e5 2.d4 exd4 3.♘f3
- Center Game: Kieseritzky Variation 1.e4 e5 2.d4 exd4 3.♘f3 c5
- Center Game: Kieseritzky Variation 1.e4 e5 2.d4 exd4 3.♘f3 c5 4.♗c4
- Center Game: Lanc-Arnold Gambit 1.e4 e5 2.d4 exd4 3.♘f3 ♗c5 4.c3
- Center Game: Lanc-Arnold Gambit, Schippler Gambit 1.e4 e5 2.d4 exd4 3.♘f3 ♗c5 4.c3 dxc3 5.♗c4
- Center Game: Ross Gambit 1.e4 e5 2.d4 exd4 3.♗d3
- Center Game: von der Lasa Gambit 1.e4 e5 2.d4 exd4 3.♗c4
- Danish Gambit 1.e4 e5 2.d4 exd4 3.c3
- Danish Gambit Accepted 1.e4 e5 2.d4 exd4 3.c3 dxc3
- Danish Gambit Accepted: Chigorin Defense 1.e4 e5 2.d4 exd4 3.c3 dxc3 4.♗c4 cxb2 5.♗xb2 ♕e7
- Danish Gambit Accepted: Classical Defense 1.e4 e5 2.d4 exd4 3.c3 dxc3 4.♗c4 cxb2 5.♗xb2 ♘f6
- Danish Gambit Accepted: Copenhagen Defense 1.e4 e5 2.d4 exd4 3.c3 dxc3 4.♗c4 cxb2 5.♗xb2 ♗b4+
- Danish Gambit Accepted: Schlechter Defense 1.e4 e5 2.d4 exd4 3.c3 dxc3 4.♗c4 cxb2 5.♗xb2 d5
- Danish Gambit Accepted: Svenonius Defense 1.e4 e5 2.d4 exd4 3.c3 ♘e7
- Danish Gambit Declined: Sörensen Defense 1.e4 e5 2.d4 exd4 3.c3 d5