Mustafa Berkay Özdöver NM

Mustafa Berkay Özdöver (Roaccutane)

National Master Extraordinaire

Mustafa Berkay Özdöver, known affectionately in the chess community as Roaccutane, is a National Master whose blitz ratings have danced impressively around the 2600-2800 territory—a realm where mere mortals tremble. Emerging onto the scene with a blitz rating of 2625 in 2020, Mustafa's journey has been a thrilling rollercoaster of strategic brilliance and fierce competition, peaking at a thunderous 2800 in May 2025.

Chess Style and Stats

Mustafa is no quitter—his early resignation rate sits stubbornly at zero, preferring to slug it out to the bitter end. Quite the endgame wizard too, boasting a remarkable endgame frequency of 82.79%! Battles often stretch past the 70-move mark, with average wins coming after an epic 80 moves. His white pieces bring him a solid 57.1% win rate while black pieces keep up with a respectable 47.08%.

When life gives him a piece down, Mustafa’s comeback rate of 92.53% means he’s likely plotting your downfall before you finish your victory dance. And his psychological resilience? Rated at a tilt factor of 9, proving that even a grandmaster can get a little salty — but that's just spice for those intense blitz duels!

Tactical Repertoire

A versatile tactician, Mustafa's favorite opening appears to be the Richter-Veresov Attack, with over 150 games and a win rate just north of 51%. He’s equally comfortable steering the battlefield with the Pirc Defense Main Line and the whimsically labeled Top Secret opening, the details of which remain hidden—perhaps as a nod to his mystery.

His most lethal weapon? The Pirc Defense Main Line Byrne Variation, where he boasts a jaw-dropping 75.86% win rate. Opponents beware: this is where the fun ends!

Notable Rivalries & Records

Over hundreds of blitz battles and hundreds more wins, Mustafa has a habit of schooling quite a few notable opponents with 100% win records against some! Among his fiercest rivalries are "road_to_3ooo" (12 duels), "sirstrateg" (9 battles), and "bcemmat" (9 matches), where stoic determination and tactical ingenuity are always on display.

Recent Battles

Even titans stumble—Mustafa recently endured a couple of sharp defeats, notably against DakisBelt and puz2010, but as any National Master will tell you, every loss is just opening theory for the next great comeback.

Fun Facts

• Mustafa’s finest hour online? Playing blitz at 2 AM, his declared best time of day to play, perhaps fueled by midnight snacks and caffeine.
• His longest winning streak is a formidable 12 games; his longest losing streak? A mere 9 games. Nobody’s perfect, but Mustafa’s pretty darn close!
• Roaccutane's winning recipe: patience, sharp tactics, and a generous helping of “don’t panic!”

With thousands of games under his belt and a keen eye for endgame mastery, Mustafa Berkay Özdöver remains a formidable force on the blitz battlefield. Whether it's a lightning-fast attack or a gruelling endgame marathon, Roaccutane’s on the prowl—and you better watch your back.

Profile generated with a dash of humor and a sprinkle of stats - because chess is serious, but profiles can be fun!