Štefan Mazúr, International Master
Štefan Mazúr, known online as stefansachy, is a FIDE International Master with a chess personality that combines serious calculation, unusual opening choices, and a remarkable willingness to let games run long enough for everyone to reconsider their life decisions.
His online record shows a highly active player, especially in blitz, while rapid appears to be his preferred time control. The available rapid sample is small but flawless: six wins from six games.
Playing Style
Mazúr is an inventive competitor who frequently explores offbeat territory. His opening repertoire includes the Caro-Kann Defense, the Barnes Defense, the Nimzo-Larsen Attack, the Four Knights Game, and several less conventional systems.
The Caro-Kann Defense has been particularly productive in blitz, with a recorded 59.42% win rate. The Barnes Defense is one of his most frequently played choices, suggesting that predictability is not high on his list of chess priorities.
His games often become extended strategic battles. Endgames appear in 82.1% of his recorded games, and decisive games average more than 77 moves when he wins. The rook is his most common checking piece, so opponents should probably keep an eye on the back rank and avoid making long-term parking arrangements for their king.
Competitive Record
- International Master recognized by FIDE
- Preferred time control: Rapid
- Longest recorded winning streak: 13 games
- Overall comeback rate: 91.83%
- Win rate after losing a piece: 47.76%
- Best recorded playing hour: around 02:00
Mazúr has also shown strong resilience. His statistics indicate that losing material does not automatically end the game, and his comeback rate suggests that opponents should wait until the resignation screen appears before celebrating.
Rapid Profile
Rapid is where Mazúr's current statistical story is most cheerful. He has recorded a perfect 6-0 result in the available games, including wins with the Barnes Defense, Amar Gambit, Four Knights Game, and a Rhamphorhynchus variation of the Colle system.
His recorded rapid peak is shown below:
2025 (2025-04-07)
Online Identity
Whether playing a long endgame, testing a surprise opening, or launching another rook check, Štefan Mazúr brings the energy of a player who is always ready to make the position more complicated. Follow the chess journey of stefansachy for creative openings, stubborn defense, and games that rarely believe in being brief.