Overview
Roberto Costantini is a FIDE Master and a fixture of the online blitz scene. A creative player with a taste for offbeat openings and fast time controls, Roberto prefers Blitz above all else and has built a reputation for sharp play and stubborn endgames. His climb and peaks are best summed up by his Blitz peak of 2721 (2026-01-28), a milestone that reads like a love letter to bullet nerves and blitz intuition.
Known to some opponents as a relentless attacker and to others as a patient grinder, Roberto blends tactical daring with long books of practical experience. If you like endgame fights and games that often go the distance, his play is a goldmine.
Playing Style
Roberto is equal parts tactician and marathon player. He racks up long wins and loves to grind in the endgame.
- Preferred time control: Blitz, where he plays most of his games and feels at home.
- Endgame frequency is high, reflecting deep technical play and perseverance.
- Average moves per win is about 71, which means many of his victories are the result of long strategic battles rather than quick tricks.
- Comeback instincts are strong, with a notable comeback rate that makes him dangerous even after setbacks.
Notable Openings and Repertoires
Roberto favors dynamic and unorthodox systems that confuse both humans and engines. He often steers games into lines he knows intimately.
- Nimzo-Larsen Attack - heavily featured in his repertoire, a top choice for surprise and imbalance.
- Modern Defense: Pterodactyl Variation - a go-to on the black side for active counterplay.
- Amazon Attack and Amazon Attack: Siberian Attack - aggressive options that suit his attacking instincts.
- Sicilian Defense, Najdorf Variation - when he wants a sharp classical slugfest.
Across blitz and bullet, these lines produce many of his most entertaining wins. If you want to study his approach, start with the Nimzo-Larsen and the Pterodactyl.
Career Highlights
Roberto has stacked thousands of fast games into a rich online resume. A few items of note:
- Longest winning streak of 15 games, a run that left opponents checking their clocks more than their positions.
- Regular rivalries against frequent opponents such as elseres and struppi, with many repeat encounters that sharpened his practical decisions.
- Strong tactical resilience, with a healthy win rate after material setbacks and numerous come-from-behind victories.
Fun Facts and Extras
Roberto is part analyst, part circus artist. He will happily steer a game into a weird opening just to see if it confuses the opponent more than himself.
- Fun stat: many of his games end after long endgame fights rather than early fireworks.
- Best time of day to catch Roberto at his peak: late night blitz sessions, especially around 23:00 when he is at his most dangerous.
- Quick sample position and mini game you can replay:
Want to see a quick visual of his rise in blitz? Here is a compact chart showing recent years.
Why Follow Roberto
Follow Roberto if you enjoy:
- High volume blitz and bullet games with practical, battle tested ideas.
- Unusual opening choices that yield imbalanced, entertaining positions.
- Endgame technique and long, instructive wins that teach patience and persistence.
Roberto Costantini combines a FIDE Master title, real competitive hunger, and a mischievous approach to opening theory. He is a player who proves that speed and depth can coexist, and that the clock is another piece to be outplayed.