B00

Owen Defense: Smith Gambit

Chess diagram: Owen Defense: Smith Gambit after 3. Nf3

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

635,559 games: White 48.4% / Draw 3.8% / Black 47.7%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
270,822271K
181,910182K
80,51681K
34,48134K
24,22024K
11,86312K
10,49910K
5,5855,585

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 30, 2026

Engine evaluation

−0.65 Black is slightly better

Best play: 3... Bxe4 4. Nc3 Bb7 5. d5 e6 6. a3 Nf6 7. Bc4 c6 8. dxe6

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

By rating

Rating changes little here: White scores 50% under 1400, 49% at 2200 and up (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 429K
1400–1799 754K
1800–2199 249K
2200 and up 4,166
Masters, over the board 3

Master games

Rated blitz, rapid and classical Lichess games by rating band, and over-the-board games of players rated 2200+ from the Lichess masters database, updated Sep 27, 2026

Overview

Owen Defense: Smith Gambit (ECO B00, Semi-Open Games) is a gambit in the Owen Defense, reached after 1. e4 b6 2. d4 Bb7 3. Nf3 (3 moves).

In 635,559 rated Lichess games between players rated 1600 to 2500, White won 48.4%, Black 47.7% and 3.8% were drawn. Black's most played move here is 3…Bxe4, in 43% of those games.

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How to play against the Owen Defense: Smith Gambit

The most played answer, 3…Bxe4, also scores best for Black: 51.6%, with Black winning 49.8% and White 46.5% of 271K games. Of the main answers, 3…g6 scores lowest: 48.0%. Stockfish's first choice is also 3…Bxe4.

Main answers: those played in at least 5% of these games. Score: Black's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Popularity by year

The Owen Defense: Smith Gambit has gained ground since 2016: 0.024% of Lichess games in 2025, up from 0.019% (its peak: 0.027% in 2022).

Numbers by year
YearShare of gamesGames
20160.019%6,631
20170.019%10,399
20180.019%14,915
20190.022%27,976
20200.024%69,609
20210.027%103,972
20220.027%101,306
20230.026%97,573
20240.025%88,683
20250.024%81,572
2026 (Jan–Apr)0.022%24,451

Share of rated Lichess games between players rated 1600 to 2500 (blitz, rapid and classical) that reach this position, by year; 2026: January to April. Which openings are rising and falling

Cite this page

Caissa Codex. “Owen Defense: Smith Gambit (B00)”. Lichess data as of 30 Oct 2026. https://chesscodex.org/openings/owen-defense-smith-gambit