Efim Geller
Free, independent historical simulation from the Hall of Legends. Not endorsed by the player or their estate.
- Rating
- 3120
- Playstyle
- Savage
- Openings
- Gambler
Playstyle
Hunter
Savage
Guardian
Observer
Mediator
Savages are the most aggressive playstyle. They attack their opponent's pieces and create threats.
What the Axes Mean
- Aggressive
- Seeks attacks and initiative
- Defensive
- Prioritizes safety and solidity
- Simplifying
- Trades pieces, avoids chaos
- Complicating
- Keeps tension, creates complexity
Openings
What the Axes Mean
- Sharp
- Plays dynamic, double-edged openings
- Solid
- Prefers safe, positional systems
- Unprepared
- Varies openings, less predictable
- Theoretical
- Sticks to main lines, well-prepared
Repertoire
How often Efim picks each line when you allow it
- Ruy Lopez100%
1. e4 e5 2. Nf3 Nc6 3. Bb5
Study Guide - Open Sicilian96.3%
1. e4 c5 2. Nf3 Nc6 3. d4
Study Guide - Tarrasch French86.9%
1. e4 e6 2. d4 d5 3. Nd2
Study Guide - Modern Caro-Kann69.6%
1. e4 c6 2. d4 d5 3. Nd2
Study Guide
The percentages indicate how likely the bot will play the opening if allowed by the opponent. The lines listed are the most common seen in the bot's games, but generally repertoires are quite broad, so you'll frequently see alternative lines, especially if the percentages are low.
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About Efim Geller
Efim Geller says: Hello, and welcome to the board! I am Geller. Pick your colour, make your first move, and let us see what kind of game we can create together. I enjoy lively positions, so bring your best ideas and let us play.
Efim Geller is a Chess Legend from Russia, recreated on Chessiverse as a free, independent historical simulation inspired by the late player. The bot is not endorsed by Geller or his estate, and its moves reflect a curated style rather than the real player's actual decisions. Its Chessiverse rating is an estimated 3120, which is super-grandmaster and engine-tier strength that beats nearly all human masters and plays close to theoretically perfect chess. That figure is separate from Geller's historical FIDE rating. As White, the bot favors the Sicilian Defense: Open and the Ruy Lopez, while as Black it turns to the Morphy Defense and the King's Indian. The profile leans aggressive and keeps tension on the board, with a moderate taste for sharp positions. No Premium subscription is required to play. Expect a relentless, tactically alert opponent that punishes inaccuracies quickly and rarely offers a second chance.
How Geller plays
Geller plays aggressively and prefers to keep tension rather than trade pieces down. Positions tend to be moderately sharp, with a slight lean toward offbeat ideas over pure mainline theory. As White, the bot reaches the Ruy Lopez or the Open Sicilian, and as Black it favors the King's Indian. Attacks arrive early and are backed by engine-tier calculation.
Who should play Geller
Geller suits strong players rated roughly 2000 and above who want to test themselves against engine-tier strength. Advanced club players and masters can practice defending against constant initiative, handling complex middlegames, and surviving sharp tension without trading into safety. Players who enjoy attacking chess can also study how a relentless, tactically precise opponent converts small advantages. Expect to lose often, and learn from each game.
Frequently asked about Geller
What rating is Geller?
Geller has an estimated Chessiverse rating of 3120, which is super-grandmaster and engine-tier strength. This rating belongs to the simulated bot and is separate from the historical player's actual FIDE rating.
What opening does Geller play?
As White, Geller plays the Sicilian Defense: Open most often, followed by the Ruy Lopez. As Black, it favors the Morphy Defense and the King's Indian.
Can master-level players beat Geller?
Very rarely. At 3120, Geller beats nearly all human masters and plays close to theoretically perfect chess, so even strong masters should treat a draw as a good result. A win against the bot would require near-flawless play in sharp, tension-filled positions.