Nimzowitsch Defense: Colorado Countergambit Accepted
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Statistics from Lichess
516,754 games: White 46.6% / Draw 4.2% / Black 49.2%
| Next move | Games | White / Draw / BlackW / D / B |
|---|---|---|
| 478,785479K | ||
| 18,89419K | ||
| 13,64214K | ||
| 3,8273,827 | ||
| 641641 | ||
| 286286 | ||
| 175175 | ||
| 166166 |
Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 2, 2026
Engine evaluation
+1.36 White is better
Best play: 3... d5 4. Bb5 Bxf5 5. Ne5 Bd7 6. Bxc6 Bxc6 7. d4 Nf6 8. Nc3
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 51% both under 1400 and at 2200 and up (wins plus half the draws).
| Players | Games | White / Draw / BlackW / D / B |
|---|---|---|
| Under 1400 | 37K | |
| 1400–1799 | 196K | |
| 1800–2199 | 330K | |
| 2200 and up | 51K | |
| Masters, over the board | 136 |
Master games
- Bologan, V. – Schneider, I.
- Guseinov, G. – Teske, H.
- Zvjaginsev, V. – Schneider, I.
- Grandelius, N. – Hector, J.
- Movsesian, S. – Lammers, M.
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
Nimzowitsch Defense: Colorado Countergambit Accepted (ECO B00, Semi-Open Games) is a gambit in the Nimzowitsch Defense: Colorado Countergambit, reached after 1. e4 Nc6 2. Nf3 f5 3. exf5 (3 moves).
In 516,754 rated Lichess games between players rated 1600 to 2500, White won 46.6%, Black 49.2% and 4.2% were drawn. Black's most played move here is 3…d5, in 93% of those games.
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Popularity by year
The Nimzowitsch Defense: Colorado Countergambit Accepted is played less than half as often as in 2016: 0.013% of Lichess games in 2025, down from 0.036%.
Numbers by year
| Year | Share of games | Games |
|---|---|---|
| 2016 | 0.036% | 13,014 |
| 2017 | 0.039% | 21,550 |
| 2018 | 0.037% | 29,140 |
| 2019 | 0.04% | 49,881 |
| 2020 | 0.03% | 87,555 |
| 2021 | 0.021% | 83,714 |
| 2022 | 0.017% | 65,622 |
| 2023 | 0.015% | 54,857 |
| 2024 | 0.014% | 49,042 |
| 2025 | 0.013% | 43,832 |
| 2026 (Jan–Apr) | 0.012% | 12,698 |
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. “Nimzowitsch Defense: Colorado Countergambit Accepted (B00)”. Lichess data as of 2 Nov 2026. https://chesscodex.org/openings/nimzowitsch-defense-colorado-countergambit-accepted