Queen's Indian Defense: Spassky System3 (9. cxd5 Nxd5)

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. Nc3 cxd4 7. exd4 Be7 8. O-O d5 9. cxd5 Nxd5

Queen's Indian Defense: Spassky System3 after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. Nc3 cxd4 7. exd4 Be7 8. O-O d5 9. cxd5 Nxd5 87654321abcdefgh

The Queen's Indian Defense: Spassky System3 is a chess opening classified as ECO E14, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. Nc3 cxd4 7. exd4 Be7 8. O-O d5 9. cxd5 Nxd5. It is a line of the Queen's Indian Defense. White is to move.

This exact move order didn't appear in our sample of 12.6 million Lichess games: it's a rare line.

Engine evaluation: +0.42 (Stockfish, depth 36; best line 10. Ne5 O-O 11. Qg4 f5 12. Qe2 Bf6)

ECO
E14
Moves
18 plies
FEN
rn1qk2r/pb2bppp/1p2p3/3n4/3P4/2NB1N2/PP3PPP/R1BQ1RK1 w kq - 0 10
PGN
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5 6. Nc3 cxd4 7. exd4 Be7 8. O-O d5 9. cxd5 Nxd5

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Master games

2 over-the-board games are classified under this line (White 0%, draw 50%, Black 50%). The strongest:

Search all games of the Queen's Indian Defense: Spassky System3 and its sub-variations

Comes from

Queen's Indian Defense: Spassky System3 (5. Bd3 c5) 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 c5

More Queen's Indian Defense lines (all)

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.