Modern Defense (1. e4 g6)
1. e4 g6
The Modern Defense is a chess opening classified as ECO B06, reached after 1. e4 g6. White is to move. 8 named lines continue from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 210,324 times by this move order. White won 49%, 4% were drawn and Black won 47%. The most popular continuation is 2. d4 (45% of games).
Engine evaluation: +0.55 (Stockfish, depth 55; best line 2. d4 Bg7 3. Nc3 d5 4. exd5 Nf6)
- ECO
- B06
- Moves
- 2 plies
- FEN
rnbqkbnr/pppppp1p/6p1/8/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 0 2- PGN
1. e4 g6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 74,482 | |
| 1500-1999 | 111,969 | |
| 2000+ | 23,873 | |
| All | 210,324 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 2. d4 | 95,046 (45%) | |
| 2. Nf3 | 52,927 (25%) | |
| 2. Bc4 | 18,275 (9%) | |
| 2. Nc3 | 14,309 (7%) | |
| 2. f4 | 9,716 (5%) | |
| 2. d3 | 5,174 (2%) | |
| 2. e5 | 3,535 (2%) | |
| 2. Qf3 | 2,596 (1%) |
Master games
7,931 over-the-board games are classified under this line (White 38%, draw 14%, Black 48%). The strongest:
- Stockfish 20210113 (3601) – LCZero 0.27.0d-Tilps-dje-magic_JH.94-100 (3586) 1/2-1/2 · TCEC 20 Superfinal 2020 · 2021-01-26
- LCZero 0.27.0d-Tilps-dje-magic_JH.94-100 (3586) – Stockfish 20210113 (3601) 1/2-1/2 · TCEC 20 Superfinal 2020 · 2021-01-26
- Ethereal 14.24 (3535) – LCZero 0.31-dag-5107404-T2-5230000 (3633) 1/2-1/2 · TCEC 25 Premier 2023 · 2023-09-06
- LCZero 0.31-dag-5107404-T2-5230000 (3633) – Ethereal 14.24 (3535) 1-0 · TCEC 25 Premier 2023 · 2023-09-06
- SlowChess Blitz 2.9 avx2 (3491) – KomodoDragon 2970.00 (3568) 1/2-1/2 · TCEC 23 Premier 2022 · 2022-09-30
Search all games of the Modern Defense and its sub-variations
Highest-rated Lichess games
- Nana_jede_cevape (2876) – GM gmbrewchess (2996) 1-0 · 2026-09-04 · 180 + 0s
- GM gmbrewchess (2992) – Nana_jede_cevape (2849) 0-1 · 2026-09-05 · 180 + 0s
- puziko52 (2844) – IM KAPUTVSEMU (2845) 1-0 · 2026-09-05 · 180 + 0s
Comes from
King's Pawn Game (1. e4) 1. e4
Continuations
- Modern Defense (2. d4 Bg7) B06 · 1. e4 g6 2. d4 Bg7
- Modern Defense: Fianchetto Gambit B06 · 1. e4 g6 2. d4 f5
- Modern Defense: Norwegian Defense B06 · 1. e4 g6 2. d4 Nf6
- Rat Defense: Accelerated Gurgenidze B06 · 1. e4 g6 2. d4 d6 3. Nc3 c6
- Modern Defense: Bishop Attack, Monkey's Bum B06 · 1. e4 g6 2. Bc4 Bg7 3. Qf3 e6 4. d4 Bxd4
- Pterodactyl Defense: Austrian, Grand Prix Pterodactyl B06 · 1. e4 g6 2. Nc3 Bg7 3. f4 c5 4. Nf3 Qa5
- Modern Defense: Masur Gambit B06 · 1. e4 g6 2. d4 Nh6 3. Nc3 f5 4. Bxh6 Bxh6 5. exf5 O-O
- Pterodactyl Defense: Western, Siroccopteryx B06 · 1. e4 g6 2. Nf3 Bg7 3. d4 c5 4. Bc4 cxd4 5. Nxd4 Qa5+
More Modern Defense lines (all)
- Modern Defense: Semi-Averbakh Variation, Polish Variation A04
- Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation A04
- Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Accepted A04
- Modern Defense: Beefeater Variation A40
- Modern Defense: Lizard Defense, Pirc-Diemer Gambit A40
- Modern Defense (3. Nc3 d6) A41
- Modern Defense: Neo-Modern Defense A41
- Modern Defense: Averbakh System A42
- Modern Defense: Averbakh Variation, Pseudo-Sämisch A42
- Modern Defense: Kotov Variation A42
- Modern Defense: Randspringer Variation A42
- Modern Defense: Anti-Modern B06
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.