Bogo-Indian Defense: Monticelli Trap
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 O-O 8. Nc3 Ne4 9. Qc2 Nxc3 10. Ng5
The Bogo-Indian Defense: Monticelli Trap is a chess opening classified as ECO E11, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 O-O 8. Nc3 Ne4 9. Qc2 Nxc3 10. Ng5. It is a line of the Bogo-Indian Defense. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 1 times by this move order. White won 0%, 0% were drawn and Black won 100%. The most popular continuation is 10… Qxg5 (100% of games).
Engine evaluation: +0.20 (Stockfish, depth 50; best line 10… Ne4 11. Bxe4 Bxe4 12. Qxe4 Qxg5 13. Qxa8)
- ECO
- E11
- Moves
- 19 plies
- FEN
rn1q1rk1/pbpp1ppp/1p2p3/6N1/2PP4/2n3P1/PPQ1PPBP/R3K2R b KQ - 1 10- PGN
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 O-O 8. Nc3 Ne4 9. Qc2 Nxc3 10. Ng5
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 2000+ | 1 | |
| All | 1 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 10… Qxg5 | 1 (100%) |
Master games
12 over-the-board games are classified under this line (White 58%, draw 25%, Black 17%). The strongest:
- GM Dmitry Andreikin (2729) – GM Hikaru Nakamura (2780) 1-0 · AI Cup Play-In Match 2023 · 2023-09-18
- GM Sanan Sjugirov (2673) – GM Maksat Atabayev (2492) 1/2-1/2 · 13th Moscow Open A 2017 · 2017-02-05
- GM Alexey Sarana (2654) – IM Leon Livaic (2507) 1-0 · Online Olym Top DivC 2020 · 2020-08-21
- GM Frode Olav Olsen Urkedal (2528) – GM Nikita Meshkovs (2565) 1-0 · PRO League Group Stage · 2020-01-09
- GM Frode Olav Olsen Urkedal (2561) – IM Lucian-Ioan Filip (2430) 1-0 · European Hybrid Qual 2021 · 2021-05-24
Search all games of the Bogo-Indian Defense: Monticelli Trap and its sub-variations
Highest-rated Lichess games
- hoodsbreath (2441) – Whereismyking0_0 (2503) 0-1 · 2026-09-04 · 180 + 0s
Comes from
Queen's Indian Defense: Capablanca Variation (5. Bg2 Bb4+) 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+
More Bogo-Indian Defense lines (all)
- Bogo-Indian Defense E11
- Bogo-Indian Defense: Exchange Variation E11
- Bogo-Indian Defense: Grünfeld Variation E11
- Bogo-Indian Defense: Haiti Variation E11
- Bogo-Indian Defense: New England Variation E11
- Bogo-Indian Defense: Nimzowitsch Variation E11
- Bogo-Indian Defense: Retreat Variation (4. Bd2 Be7) E11
- Bogo-Indian Defense: Retreat Variation (5… d5 6. Nf3) E11
- Bogo-Indian Defense: Retreat Variation (6. Nf3 O-O) E11
- Bogo-Indian Defense: Retreat Variation (6… O-O 7. O-O) E11
- Bogo-Indian Defense: Retreat Variation (7… c6 8. O-O) E11
- Bogo-Indian Defense: Retreat Variation (8. Qc2 c6) E11
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.