Avatar of Maciej Mroziak
Player Profile

Maciej Mroziak IM

maciejos95 Since 2017 (Active) Chess.com ♟♟♟♟♟
50.8% W 38.7% L 10.6% D
Bullet
2538
254W 134L 40D
Blitz
2697
1471W 1210L 323D
Rapid
2477
55W 13L 7D

Maciej Mroziak, International Master

Maciej Mroziak, known online as maciejos95, is a FIDE International Master whose chess profile combines serious calculation with a cheerful willingness to make the board work overtime. His preferred battlefield is Rapid chess, where he has built an impressive record of 126 wins, 13 losses, and 8 draws.

A Rapid Specialist

Mroziak's rapid games show remarkable consistency. He has converted 85.7% of his recorded rapid games into wins or draws, including a perfect run in several opening families. His rapid repertoire features the Philidor Defense, the Four Knights Game, and the Scotch Game, with the Sicilian Defense: Alapin Variation also proving especially productive.

In short, if the clock says “rapid,” Mroziak appears to hear “time to calculate everything.”

Style and Strengths

  • Endgame resilience: Endgames appear in 83.44% of his analyzed games.
  • Comeback power: His comeback rate is listed at 87.15%, suggesting that a bad position is more of a plot twist than a conclusion.
  • Long-game stamina: His wins average more than 76 moves, while losses average more than 91 moves.
  • Winning momentum: His longest winning streak reached 17 games.
  • Balanced approach: He has recorded a higher win rate with White than with Black, while remaining competitive from either side of the board.

Opening Repertoire

As White, Mroziak frequently reaches open and tactical positions through the Scotch Game and the Sicilian Defense: Alapin Variation. As Black, his rapid results include strong performances in the Philidor Defense and the Four Knights Game. His repertoire is broad enough to keep opponents guessing, but practical enough to avoid turning every game into a doctoral thesis on move six.

His opening statistics suggest a player who enjoys active positions, tactical opportunities, and the occasional invitation for both armies to forget where they parked their kings.

Win Rate by Opening0%25%75%100%50%Sicilian Defense: Alapin Variation: 55.5% over 292 gamesScotch Game: 56.4% over 204 gamesSicilian Defense: Dragon Variation, Yugoslav Attack: 51.4% over 109 gamesQGD: Chigorin, 3.cxd5: 49.5% over 101 gamesCaro-Kann Defense: 41.4% over 99 gamesScandinavian Defense: 65.9% over 85 gamesSicilian Defense: Alapi…56%Scotch Game56%Sicilian Defense: Drago…51%QGD: Chigorin, 3.cxd550%Caro-Kann Defense41%Scandinavian Defense66%

Competitive Character

Mroziak's data paints the picture of a determined and adaptable International Master. He often keeps fighting deep into the game, finds ways back after setbacks, and appears particularly comfortable when a position demands patience rather than a quick tactical shortcut. Whether the game begins with a classical opening or takes an unexpected detour, maciejos95 is rarely interested in leaving the chessboard early.

Bio last updated 2026-09-14