London System, with Bd3
1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3
The London System, with Bd3 is a chess opening classified as ECO A48, reached after 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 261 times by this move order. White won 42%, 4% were drawn and Black won 54%. The most popular continuation is 5… O-O (60% of games).
Engine evaluation: 0.00 (Stockfish, depth 70; best line 5… c5 6. Nc3 cxd4 7. exd4 O-O 8. h3)
- ECO
- A48
- Moves
- 9 plies
- FEN
rnbqk2r/ppp1ppbp/3p1np1/8/3P1B2/3BPN2/PPP2PPP/RN1QK2R b KQkq - 1 5- PGN
1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd3
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 63 | |
| 1500-1999 | 168 | |
| 2000+ | 30 | |
| All | 261 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 5… O-O | 156 (60%) | |
| 5… Nbd7 | 42 (16%) | |
| 5… Bg4 | 16 (6%) | |
| 5… c6 | 7 (3%) | |
| 5… b6 | 7 (3%) | |
| 5… Nc6 | 6 (2%) | |
| 5… c5 | 6 (2%) | |
| 5… a6 | 5 (2%) |
Master games
46 over-the-board games are classified under this line (White 26%, draw 22%, Black 52%). The strongest:
- FM Vladimir Bochnicka (2327) – GM Margeir Petursson (2444) 1/2-1/2 · 35th Pula Open 2023 · 2023-06-22
- FM Varun Krishnan (2343) – GM Richard Bitoon (2375) 1/2-1/2 · Titled Tue 28th Mar Late · 2023-03-28
- CM Karl-Emil Elmer Nielsen-Refs (2096) – FM Denis Pavlov (2296) 0-1 · Titled Tue 1st Oct Early · 2024-10-01
- CM K. Shah Shreyans (2237) – Han Schut (2101) 0-1 · Titled Tuesday 27th Apr · 2021-04-27
- Andrzej Ocytko (2110) – Andrzej Krzywda (2148) 0-1 · XXXV Zamenhofa Mem · 2016-12-31
Search all games of the London System, with Bd3 and its sub-variations
Highest-rated Lichess games
- BigDadLol2003 (2324) – jdac23 (2381) 0-1 · 2026-09-06 · 180 + 0s
- Klintchess (2298) – neveremore1360 (2273) 1-0 · 2026-09-01 · 180 + 0s
- filadendron11 (2265) – guilty_pleasure01 (2304) 1-0 · 2026-09-06 · 180 + 0s
Comes from
London System (4. e3 d6) 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6
Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.