A13

English Opening: Agincourt Defense 1…e6 2. Nf3

Chess diagram: English Opening: Agincourt Defense after 2. 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

2,064,694 games: White 52.6% / Draw 5.9% / Black 41.5%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
1,096,3951.1M
255,583256K
136,796137K
127,908128K
107,850108K
97,36897K
76,07776K
27,86728K

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 9, 2026

Engine evaluation

+0.11 The position is about equal

Best play: 2... Nf6 3. d4 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2

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 55% both under 1400 and at 2200 and up, and 57% in master games (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 242K
1400–1799 752K
1800–2199 1.2M
2200 and up 420K
Masters, over the board 13K

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 26, 2026

Overview

English Opening: Agincourt Defense (ECO A13, Flank Openings) is a variation of the English Opening: Agincourt Defense, reached after 1. c4 e6 2. Nf3 (2 moves).

In 2,064,694 rated Lichess games between players rated 1600 to 2500, White won 52.6%, Black 41.5% and 5.9% were drawn. Black's most played move here is 2…d5, in 53% of those games.

It branches into 10 named variations; the most played are English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense and English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense. In all, 25 named lines continue from it.

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How to answer 2. Nf3

2…f5 scores best for Black: 46.5%, with Black winning 43.3% and White 50.4% of 108K games. The most played, 2…d5, scores 45.3% in 1.1M games, and 2…c5 scores lowest: 43.4%. Stockfish's first choice is 2…Nf6.

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

This line peaked in 2018 at 0.1% of Lichess games and has slipped since: 0.082% in 2025.

Numbers by year
YearShare of gamesGames
20160.084%30,019
20170.092%50,436
20180.1%80,626
20190.095%118,155
20200.084%246,646
20210.073%285,101
20220.073%274,736
20230.075%280,472
20240.079%282,259
20250.082%284,773
2026 (Jan–Apr)0.085%93,492

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

Variations (10)

Transpositions

All 25 named lines that continue from here

Cite this page

Caissa Codex. “English Opening: Agincourt Defense (A13)”. Lichess data as of 9 Nov 2026. https://chesscodex.org/openings/english-opening-agincourt-defense-2