Queen's Indian Defense: Kasparov-Petrosian Variation, Polovodin Gambit

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. e4

The Queen's Indian Defense: Kasparov-Petrosian Variation, Polovodin Gambit is a chess opening classified as ECO E12, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. e4. It is a line of the Queen's Indian Defense. Black 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: −0.40 (Stockfish, depth 34; best line 7… Nxc3 8. bxc3 Bxe4 9. Ne5 Bd5 10. Bb5+)

ECO

E12

Moves

13 plies

FEN

rn1qkb1r/pbp2ppp/1p2p3/3n4/3PP3/P1N2N2/1P3PPP/R1BQKB1R b KQkq - 0 7

PGN

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. e4

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

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.