Grandmaster Roberto Mogranzini
Roberto Mogranzini, better known online as GM_RobertoMogranzini, has earned the Grandmaster title from FIDE and built a reputation as one of the most tireless blitz competitors on the platform. With more than 26,000 rated blitz games played, he has pushed his peak blitz rating to 2818. His profile lists rapid as a preferred time control, but the numbers suggest rapid is simply his warm-up before the blitz marathon begins.
The Blitz Machine
Roberto's rating story is one of steady, relentless climb. From 2504 in 2019, he reached 2711 by 2026, with a peak of 2818 along the way. His longest winning streak hit 12 games, while his longest losing streak reached 11, proof that even a Grandmaster can have wild swings in online blitz.
His peak blitz rating is a serious statement of intent: 2818 (2026-08-14).
Playing Style and Openings
Roberto is comfortable in almost any type of battle. As White, he frequently steers into sharp theoretical fights against the Sicilian Defense and the Caro-Kann Defense. As Black, he shows remarkable loyalty to the Scandinavian Defense, playing it in over 1,500 games. His strong results in the Czech Defense suggest he enjoys offbeat setups that force opponents to think for themselves.
Rivalries and Resilience
No opponent has faced Roberto more often than Alan Stein, with 106 meetings between them. He also shares deep competitive history with Nebojsa Djordjevic and Juliano Resende M Pereira, each surpassing 60 encounters. These rivalries define his daily grind.
His fighting spirit is remarkable. Roberto has an 88.3% comeback rate, and he still wins 41.9% of the time even after losing a piece. He rarely gives up, making every game a test of endurance as well as chess skill.
Key Numbers
- Peak Blitz rating: 2818
- More than 26,000 rated Blitz games
- Longest winning streak: 12 games
- Longest losing streak: 11 games
- 88.3% comeback rate