Queen's Indian Defense: Kasparov-Petrosian Variation, Romanishin Attack
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Bd2
The Queen's Indian Defense: Kasparov-Petrosian Variation, Romanishin Attack is a chess opening classified as ECO E12, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Bd2. It is a line of the Queen's Indian Defense. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 3 times by this move order. White won 33%, 0% were drawn and Black won 67%. The most popular continuation is 7… Be7 (67% of games).
Engine evaluation: +0.05 (Stockfish, depth 35; best line 7… Nd7 8. Nxd5 exd5 9. g3 Bd6 10. Rc1)
- ECO
- E12
- Moves
- 13 plies
- FEN
rn1qkb1r/pbp2ppp/1p2p3/3n4/3P4/P1N2N2/1P1BPPPP/R2QKB1R b KQkq - 1 7- PGN
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Bd2
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 1500-1999 | 1 | |
| 2000+ | 2 | |
| All | 3 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 7… Be7 | 2 (67%) | |
| 7… c5 | 1 (33%) |
Master games
66 over-the-board games are classified under this line (White 30%, draw 35%, Black 35%). The strongest:
- GM Shakhriyar Mamedyarov (2775) – GM Maxim Matlakov (2676) 1/2-1/2 · FIDE World Cup 2013 · 2013-08-15
- GM Anton Korobov (2687) – GM Quang Liem Le (2704) 1/2-1/2 · IMSA World Masters Rapid · 2019-05-14
- GM Daniil Dubov (2629) – GM Peter Leko (2723) 0-1 · Nutcracker Rapid 2014 · 2014-12-25
- IM Tuan Minh Le (2542) – GM Liren Ding (2808) 0-1 · CGC KO 2022 · 2022-09-14
- GM Yuri Vovk (2596) – GM David Navara (2737) 0-1 · TCh-SVK 2016-17 · 2017-03-24
Highest-rated Lichess games
- NM Chop-That-Wood (2194) – sljukic (2191) 1-0 · 2026-09-06 · 180 + 0s
- brother-bear (2112) – czoper62 (2100) 0-1 · 2026-09-04 · 300 + 3s
- andriyvas24 (1889) – chess-practice123 (1940) 0-1 · 2026-09-03 · 300 + 3s
Comes from
Queen's Indian Defense: Kasparov-Petrosian Variation, Modern Variation 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5
More Queen's Indian Defense lines (all)
- Queen's Indian Defense E12
- Queen's Indian Defense: Kasparov Variation (3… b6 4. Nc3) E12
- Queen's Indian Defense: Kasparov Variation, Botvinnik Attack E12
- Queen's Indian Defense: Kasparov-Petrosian Variation E12
- Queen's Indian Defense: Kasparov-Petrosian Variation, Andersson Variation E12
- Queen's Indian Defense: Kasparov-Petrosian Variation, Classical Variation E12
- Queen's Indian Defense: Kasparov-Petrosian Variation, Hedgehog Variation E12
- Queen's Indian Defense: Kasparov-Petrosian Variation, Kasparov Attack E12
- Queen's Indian Defense: Kasparov-Petrosian Variation, Main Line E12
- Queen's Indian Defense: Kasparov-Petrosian Variation, Marco Defense E12
- Queen's Indian Defense: Kasparov-Petrosian Variation, Petrosian Attack E12
- Queen's Indian Defense: Kasparov-Petrosian Variation, Polovodin Gambit E12
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.