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BOT maiaRosen

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Maia Rosen

Maia Rosen is a human-aligned chess engine based on the Maia-2 architecture. It was specifically fine-tuned on 10k+ games from IM @EricRosen to capture his signature style and gambits.

This fan project uses the Maia-2 framework to achieve human-AI alignment. Developed by @ashtonanderson, @sidsen and @reidmcy. More info at maiachess.com.

Member since 29 Jan 2026

Active

Time spent playing: 1 day, 9 hours

Chess InsightsAnalytics from maiaRosen's games
Activity443 games
443
games372
rated120
wins274
losses49
draws
25+0 • Classical • Rated
BOT kopyto_dev
2031 +4
BOT maiaRosen
1960 −23
Checkmate • White is victorious
Queen's Gambit Declined: Modern Variation
1. d4 d5 2. c4 e6 3. Nc3 Nf6 ... 38 moves
6+4 • Rapid • Rated
BOT Lancelbot
1722 −6
BOT maiaRosen
1698 +14
Checkmate • Black is victorious
Zukertort Opening
1. Nf3 d5 2. c3 e6 3. h3 Nf6 ... 24 moves
4+2 • Blitz • Rated
BOT debzero
1617 +4
BOT maiaRosen
1537 −5
Checkmate • White is victorious
Sicilian Defense: Old Sicilian
1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 ... 43 moves
3+1 • Blitz • Rated
BOT ferrischessbot
2008 +1
BOT maiaRosen
1537 ±0
Checkmate • White is victorious
Van Geet Opening
1. Nc3 c5 2. Nf3 e6 3. e4 Nc6 ... 51 moves
3+2 • Blitz • Rated
BOT maiaRosen
1537 ±0
BOT ViolentStockfish
2682 ±0
Checkmate • Black is victorious
Indian Defense: Accelerated London System
1. d4 Nf6 2. Bf4 e6 3. e3 Be7 ... 38 moves
3+1 • Blitz • Rated
BOT SimpleBotByMine
1830 +4
BOT maiaRosen
1539 −2
Checkmate • White is victorious
Vienna Game: Vienna Gambit, Main Line
1. e4 e5 2. Nc3 Nf6 3. f4 d5 ... 28 moves
1+0 • Bullet • Rated
BOT SybAIBot
1604 +5
BOT maiaRosen
1571 −8
Checkmate • White is victorious
Queen's Pawn Game: London System
1. Nf3 d5 2. d4 Nf6 3. Bf4 c5 ... 59 moves
10+1 • Rapid • Rated
BOT maiaRosen
1693 +5
BOT debzero
1824 −2
Threefold repetition • Draw
Indian Defense: Accelerated London System
1. d4 Nf6 2. Bf4 d5 3. e3 c5 ... 59 moves
1+1 • Bullet • Rated
BOT SybBot
1796 +3
BOT maiaRosen
1575 −4
Checkmate • White is victorious
Dutch Defense: Classical Variation
1. c4 e6 2. d4 f5 3. g3 Nf6 ... 60 moves
3+1 • Blitz • Rated
BOT maiaRosen
1546 −7
BOT C0kval
1517 +6
Checkmate • Black is victorious
Queen's Pawn Game: London System
1. d4 Nf6 2. Bf4 d5 3. Nf3 Nc6 ... 30 moves
3+2 • Blitz • Rated
BOT sxphia
1818 +2
BOT maiaRosen
1548 −2
Checkmate • White is victorious
Queen's Gambit Declined: Barmen Variation
1. Nf3 d5 2. c4 e6 3. d4 Nf6 ... 39 moves
3+1 • Blitz • Rated
BOT C0kval
1523 −6
BOT maiaRosen
1542 +6
Checkmate • Black is victorious
Queen's Pawn Game: Chigorin Variation
1. Nc3 d5 2. d4 Nf6 3. Nf3 Bf5 ... 58 moves