C45

Scotch Game: Potter Variation

Chess diagram: Scotch Game: Potter Variation after 5. Nb3

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

821,009 games: White 51.9% / Draw 4.6% / Black 43.5%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
756,748757K
16,91617K
14,10614K
Scotch Game: Romanishin Variation 13,44213K
7,0027,002
4,8154,815
2,3072,307
1,7051,705

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 27, 2026

Engine evaluation

+0.29 The position is about equal

Best play: 5... Bb6 6. Qe2 Nf6 7. Nc3 O-O 8. Bg5 Nd4 9. Qd2 Nxb3 10. axb3

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 53% under 1400, 55% at 2200 and up and 54% in master games (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 48K
1400–1799 260K
1800–2199 522K
2200 and up 122K
Masters, over the board 2,067

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

Scotch Game: Potter Variation (ECO C45, Open Games) is a variation of the Scotch Game: Classical Variation, reached after 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 (5 moves).

In 821,009 rated Lichess games between players rated 1600 to 2500, White won 51.9%, Black 43.5% and 4.6% were drawn. Black's most played move here is 5…Bb6, in 92% of those games.

It continues into one named variation, Scotch Game: Romanishin Variation.

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Popularity by year

The Scotch Game: Potter Variation dipped to 0.027% of Lichess games in 2022 and has recovered since: 0.035% in 2025.

Numbers by year
YearShare of gamesGames
20160.033%11,694
20170.033%18,285
20180.036%28,352
20190.034%42,017
20200.034%98,813
20210.028%107,606
20220.027%103,015
20230.03%114,263
20240.034%121,983
20250.035%119,909
2026 (Jan–Apr)0.037%40,799

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 (1)

Cite this page

Caissa Codex. “Scotch Game: Potter Variation (C45)”. Lichess data as of 27 Oct 2026. https://chesscodex.org/openings/scotch-game-potter-variation