Indian Defense: Gibbins-Weidenhagen Gambit, Stummer Gambit
1. d4 Nf6 2. g4 Nxg4 3. e4 d6 4. Be2 Nf6 5. Nc3
The Indian Defense: Gibbins-Weidenhagen Gambit, Stummer Gambit is a chess opening classified as ECO A45, reached after 1. d4 Nf6 2. g4 Nxg4 3. e4 d6 4. Be2 Nf6 5. Nc3. It is a line of the Indian Defense. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 20 times by this move order. White won 60%, 5% were drawn and Black won 35%. The most popular continuation is 5… e5 (40% of games).
Engine evaluation: −0.56 (Stockfish, depth 34; best line 5… c6 6. Be3 Nbd7 7. f4 b5 8. a3)
- ECO
- A45
- Moves
- 9 plies
- FEN
rnbqkb1r/ppp1pppp/3p1n2/8/3PP3/2N5/PPP1BP1P/R1BQK1NR b KQkq - 3 5- PGN
1. d4 Nf6 2. g4 Nxg4 3. e4 d6 4. Be2 Nf6 5. Nc3
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 1500-1999 | 9 | |
| 2000+ | 11 | |
| All | 20 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 5… e5 | 8 (40%) | |
| 5… g6 | 6 (30%) | |
| 5… c5 | 2 (10%) | |
| 5… e6 | 1 (5%) | |
| 5… b6 | 1 (5%) | |
| 5… a6 | 1 (5%) | |
| 5… Nc6 | 1 (5%) |
Master games
20 over-the-board games are classified under this line (White 35%, draw 5%, Black 60%). The strongest:
- GM Simon K Williams (2449) – GM Sam Shankland (2646) 0-1 · Titled Tue 22nd Sep 2026 · 2026-09-22
- GM Simon K Williams (2449) – IM Kacper Drozdowski (2461) 1-0 · Titled Tue 15th Sep 2026 · 2026-09-15
- FM Milenko Pucarevic (2249) – GM Bojan Vuckovic (2604) 0-1 · TCh-SRB Prem 2012 · 2012-09-19
- GM Simon K Williams (2438) – FM Nagare Kaivalya Sandip (2353) 1-0 · Titled Tue 25th Aug 2026 · 2026-08-25
- GM Simon K Williams (2455) – FM Maksym Pankiv (2302) 1-0 · Titled Tue 23rd Jun 2026 · 2026-06-23
Highest-rated Lichess games
- RASHID1968 (2237) – solidplay (2334) 1-0 · 2026-09-04 · 600 + 5s
- Kinghunter-nr1 (2130) – Chessmaste (2395) 0-1 · 2026-09-05 · 300 + 0s
- RASHID1968 (2244) – ovalverde2025 (2210) 1-0 · 2026-09-01 · 600 + 5s
Comes from
Indian Defense: Gibbins-Weidenhagen Gambit Accepted 1. d4 Nf6 2. g4 Nxg4
More Indian Defense lines (all)
- Indian Defense: Pseudo-Benko A43
- Indian Defense (1. d4 Nf6) A45
- Indian Defense: Accelerated London System A45
- Indian Defense: Gedult Attack A45
- Indian Defense: Gibbins-Weidenhagen Gambit A45
- Indian Defense: Gibbins-Weidenhagen Gambit, Maltese Falcon A45
- Indian Defense: Gibbins-Weidenhagen Gambit, Oshima Defense A45
- Indian Defense: Lazard Gambit A45
- Indian Defense: Maddigan Gambit A45
- Indian Defense: Omega Gambit A45
- Indian Defense: Omega Gambit, Arafat Gambit A45
- Indian Defense: Paleface Attack, Blackmar-Diemer Gambit Deferred A45
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.