Queen's Indian Defense: Kasparov-Petrosian Variation, Andersson Variation
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Ne4
The Queen's Indian Defense: Kasparov-Petrosian Variation, Andersson Variation is a chess opening classified as ECO E12, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Ne4. It is a line of the Queen's Indian Defense. White is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 42 times by this move order. White won 55%, 2% were drawn and Black won 43%. The most popular continuation is 6. Nxe4 (52% of games).
Engine evaluation: +0.42 (Stockfish, depth 40; best line 6. Nxe4 Bxe4 7. Nd2 Bb7 8. e4 g6)
- ECO
- E12
- Moves
- 10 plies
- FEN
rn1qkb1r/pbpp1ppp/1p2p3/8/2PPn3/P1N2N2/1P2PPPP/R1BQKB1R w KQkq - 3 6- PGN
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Ne4
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 1500-1999 | 6 | |
| 2000+ | 36 | |
| All | 42 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 6. Nxe4 | 22 (52%) | |
| 6. Qc2 | 16 (38%) | |
| 6. e3 | 3 (7%) | |
| 6. h3 | 1 (2%) |
Master games
450 over-the-board games are classified under this line (White 37%, draw 28%, Black 35%). The strongest:
- LCZero 0.31-dag-e429eeb-BT3-2790000 (3642) – Stockfish dev-20231010-00263636 (3673) 1-0 · TCEC 25 Superfinal 2023 · 2023-10-12
- Stockfish dev-20231010-00263636 (3673) – LCZero 0.31-dag-e429eeb-BT3-2790000 (3642) 1-0 · TCEC 25 Superfinal 2023 · 2023-10-12
- GM Erigaisi Arjun (2773) – GM Vincent Keymer (2755) 1-0 · 40th ECC Open 2025 · 2025-10-23
- GM Teimour Radjabov (2765) – GM Richard Rapport (2763) 1/2-1/2 · GCT Rapid Paris 2021 · 2021-06-20
- GM So, W. (2756) – GM Vincent Keymer (2755) 1/2-1/2 · chess.com SpeedChess 2025 · 2025-10-16
Highest-rated Lichess games
- oldandnotcold (2645) – FM condansator3 (2712) 0-1 · 2026-09-02 · 180 + 2s
- Severus-Snape-1960 (2609) – CM chess23time (2633) 1-0 · 2026-09-01 · 180 + 0s
- Euphoria1230 (2548) – JohnWaball (2659) 1-0 · 2026-09-04 · 180 + 2s
Comes from
Queen's Indian Defense: Kasparov-Petrosian Variation 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3
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, 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, Modern Variation E12
- Queen's Indian Defense: Kasparov-Petrosian Variation, Petrosian Attack E12
- Queen's Indian Defense: Kasparov-Petrosian Variation, Polovodin Gambit E12
- Queen's Indian Defense: Kasparov-Petrosian Variation, Rashkovsky Attack 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.