1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5
Chess openings · Queen's Gambit Declined · D50
Queen's Gambit Declined: Been-Koomen Variation
3,188 rated games in September 2026 began with 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5. White wins 48%, draws 4%, Black wins 47%.
Results by rating
| Lichess rating | Games | White winsDrawBlack wins |
|---|---|---|
| Under 1200 | 150 | 39%59% |
| 1200–1599 | 990 | 47%48% |
| 1600–1999 | 1,658 | 51%45% |
| 2000 and up | 390 | 43%51% |
| All ratings | 3,188 | 48%47% |
By time control
| Time control | Games | |
|---|---|---|
| Bullet | 1,123 | 47%50% |
| Blitz | 1,597 | 48%47% |
| Rapid | 452 | 53%42% |
| Classical | 16 | – |