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BOT uSunfish-l7

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μSunfish is a MicroPython port of the Sunfish chess engine for microcontrollers like the ESP32. It has a 884-move opening book and the l7 plays on the hardest setting, checking about 8000 nodes before moving. With a Lichess rating of around 1800 in rapid, is suited for advanced players. Currently running on an ARM S812

Member since 13 Oct 2025

Active

Time spent playing: 27 days, 16 hours

Time featured on TV: 4 minutes

Chess InsightsAnalytics from uSunfish-l7's games
Activity5,691 games
5,691
games5,124
rated2,148
wins2,747
losses796
draws
15+5 • Rapid • Rated
BOT uSunfish-l7
1764
BOT SEtheChessGod
2178
Checkmate • Black is victorious
Elephant Gambit
1. e4 e5 2. Nf3 d5 3. Nxe5 Nd7 ... 25 moves
10+3 • Rapid • Rated
BOT uSunfish-l7
1764
BOT joshsbot
1538
Checkmate • White is victorious
English Opening: King's English Variation, Reversed Sicilian
1. c4 e5 2. Nc3 c6 3. Nf3 h6 ... 43 moves
3+2 • Blitz • Rated
BOT uSunfish-l7
1527 ±0
BOT CraftySzachBot
2978 ±0
Checkmate • Black is victorious
King's Indian Attack
1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 ... 40 moves
10+5 • Rapid • Rated
BOT uSunfish-l7
1759 +5
BOT StrawberryChessDev
1751 −6
Checkmate • White is victorious
Ruy Lopez: Berlin Defense, Anti-Berlin Variation
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 ... 20 moves
10+5 • Rapid • Rated
BOT StrawberryChessDev
1757 −6
BOT uSunfish-l7
1753 +6
Checkmate • Black is victorious
Caro-Kann Defense: Advance Variation, Short Variation
1. e4 c6 2. d4 d5 3. e5 Bf5 ... 75 moves
3+2 • Blitz • Rated
BOT uSunfish-l7
1530 −3
BOT sxphia
1767 +2
Checkmate • Black is victorious
Sicilian Defense: French Variation
1. Nf3 c5 2. e4 e6 3. Nc3 Nc6 ... 53 moves
3+10 • Rapid • Rated
BOT uSunfish-l7
1754 −1
BOT SEtheChessBot4
1681 +2
Threefold repetition • Draw
Rapport-Jobava System
1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 ... 28 moves
3+2 • Blitz • Rated
BOT OmbleCavalierPP
1760 +2
BOT uSunfish-l7
1532 −2
Black time out • White is victorious
English Opening: Anglo-Indian Defense, Queen's Knight Variation
1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 ... 44 moves
3+2 • Blitz • Rated
BOT OmbleCavalierPP
1766 +3
BOT uSunfish-l7
1534 −2
Black time out • White is victorious
Modern Defense: Standard Line
1. e4 g6 2. d4 Bg7 3. Nc3 c6 ... 52 moves
5+5 • Rapid • Rated
BOT uSunfish-l7
1759 −5
BOT SybBot
1858 +4
Checkmate • Black is victorious
Mieses Opening
1. d3 a5 2. Nc3 d5 3. Nf3 d4 ... 48 moves
10+5 • Rapid • Rated
BOT uSunfish-l7
1759 ±0
BOT StrawberryChessDev
1774 ±0
Threefold repetition • Draw
Zukertort Opening: Old Indian Attack
1. d3 d5 2. Nf3 Nf6 3. Nbd2 Nc6 ... 41 moves