D51 is the opening Queen's Gambit Declined: Alekhine Variation of the volume D · Closed games: 11 half-moves to the position in the diagram, 7 variations in the ECO table.
What the games say
436 games in the collections, from 1899 to 2019. Mean rating of the games with ratings: 2440.
White wins 47 %, draws 32 %, Black wins 21 %
Most games: Alekhine, Alexander (22), Marshall, Frank James (10), Sokolov, Ivan (10), Capablanca, Jose Raul (9), Pirc, Vasja (8)
All 7 variations
- Queen's Gambit Declined: Alekhine Variation 1.d4 d5 2.c4 e6 3.♘c3 ♘f6 4.♗g5 ♘bd7 5.♘f3 c6 6.e4
- Queen's Gambit Declined: Capablanca Variation, Anti-Cambridge Springs Variation 1.d4 d5 2.c4 e6 3.♘c3 ♘f6 4.♗g5 ♘bd7 5.e3 c6 6.a3
- Queen's Gambit Declined: Manhattan Variation 1.d4 d5 2.c4 e6 3.♘c3 ♘f6 4.♗g5 ♘bd7 5.e3 ♗b4
- Queen's Gambit Declined: Modern Variation, Knight Defense 1.d4 d5 2.c4 e6 3.♘c3 ♘f6 4.♗g5 ♘bd7
- Queen's Gambit Declined: Modern Variation, Knight Defense 1.d4 d5 2.c4 e6 3.♘c3 ♘f6 4.♗g5 ♘bd7 5.e3
- Queen's Gambit Declined: Modern Variation, Knight Defense 1.d4 d5 2.c4 e6 3.♘c3 ♘f6 4.♗g5 ♘bd7 5.e3 c6
- Queen's Gambit Declined: Rochlin Variation 1.d4 d5 2.c4 e6 3.♘c3 ♘f6 4.♗g5 ♘bd7 5.♘f3 c6 6.♖c1 ♕a5 7.♗d2