Francesco Rambaldi: The Blitz Gladiator
Francesco Rambaldi, better known on the virtual battlefield as Kaphrep, is a FIDE Grandmaster with a serious love for fast chess. While he carries the credentials of a classical titleholder, his true kingdom lives online in Blitz, where he has played thousands of games and pushed his rating to a spectacular 2995. That peak, captured by 2995 (2025-11-02), is a number that most online players only dream of reaching. Rambaldi hit it in late 2025, proving he can hang with the very best when the clock is ticking.
He is one of the most active and battle-tested blitz warriors around, with more than 6,200 Blitz wins to his name. His marathon sessions and sleepless rating climbs have made him a familiar name in online chess circles.
A Repertoire Built for Speed
Rambaldi is not afraid to get weird. His most played opening is the Caro-Kann Defense, which appears in more than 1,200 of his Blitz games. As White, he loves the Nimzo-Larsen Attack, a flexible and slightly mischievous opening that has earned him a win rate above 61 percent. He also enjoys offbeat lines such as the Döry Defense and the Amazon Attack, making him a nightmare to prepare against.
shows just how deep his opening knowledge runs. Few players can switch between solid main lines and wild sidelines without losing their rhythm, but Rambaldi treats it as a daily workout.The Rivalries That Define the Grind
Every great online warrior needs worthy foes. Rambaldi has crossed swords with Juan Carlos Obregon Rivero 94 times, making him the most frequent opponent. The battles against Dincer Tasdogen are nearly as intense with 93 meetings, and Francesco Sonis has shared the arena with him 82 times. Against Evandro Amorim Barbosa he holds a commanding 46 wins, but against Dariusz Swiercz he has had to dig deep to keep the rivalry honest. These long-running feuds are the heart of his online chess life.
Numbers, Streaks, and Quirks
- Longest winning streak: 27 games, a run that would make any competitor envious.
- Longest losing streak: 12 games, which he bounced back from with remarkable resilience.
- Comeback rate: 87 percent, meaning he rarely stays down for long.
- Endgame frequency: 85 percent, a sign of a player who fights to the final pawn.
- Early resignation rate: less than 1 percent, because Kaphrep believes the fat lady sings very late.
- Best time of day: 11:00 AM, when the morning coffee has fully activated his calculation powers.