Mustafa Yilmaz (Chopper1905)
Overview
Mustafa Yilmaz, known online as Chopper1905, is a FIDE Grandmaster whose online play is all about speed, firepower, and relentless pressure. He is most at home in bullet chess, but his blitz record is just as formidable, with a peak rating of 3135 and thousands of games that show no sign of slowing down.
Playing Style
Chopper1905 is a natural attacker with a winning percentage of 61.56% with the white pieces and 58.24% with black. His comeback rate of 85.82% reveals a fighter who never concedes defeat, and his endgame frequency of 83.46% proves he can outlast opponents when the fireworks fade.
- He is most dangerous at 18:00, where his win rate climbs to 69.31%.
- Thursdays are his deadliest day, with a 75.5% win rate.
- A 42-game winning streak highlights his ability to crush opponents in bunches.
His opening choices blend the solid with the unorthodox. He scores well with the Caro-Kann Defense and the Sicilian Defense, while his rapid play features the Najdorf Variation at an 83% score. He also enjoys offbeat lines like the Amazon Attack, making him difficult to prepare against.
Key Rivalries
Mustafa thrives on familiar battles. His most frequent rival is Alexander Rustemov, whom he has faced 91 times, winning 54 games to 28 losses. He has also engaged in marathon series with Vahap Sanal (90 games), Cemil Aghamaliyev (84), and Aleksei Sarana (76). Against Pavel Eljanov he holds a comfortable plus score, while Murad İbrahimli and Dmitrij Kollars have also been regular sparring partners on his road to three thousand.
By the Numbers
The charts below capture his blitz rating climb and his opening win rates across the dataset.
- Over 9,400 games analyzed, with an average of nearly three checks delivered per game.
- His longest losing streak is 10, but his longest winning streak is a devastating 42.
- Even after losing a piece, he still wins 57.39% of the time, a sign of his stubborn resistance.
- He holds a winning record against most of his most-played opponents, including a 45 to 33 edge over Cemil Aghamaliyev.