Barnabas Kovacsy (sakkikuska): FIDE Master of the Marathon
Introducing FIDE Master Barnabas Kovacsy
FIDE Master Barnabas Kovacsy, known across the online chess world as sakkikuska, is a Hungarian player who has spent a decade turning the 64 squares into a personal forge. His surname nods to the Hungarian "kovacs", or smith, and his handle is an affectionate riff on "sakk", Hungarian for chess, so together they read like a job description. He forges points, mostly in blitz and bullet, and he does it the hard way: his average win lasts over 82 moves, roughly a novella with a happy ending.
His profile lists rapid chess as his preferred time control, a claim the archives greet with polite amusement. He has logged more than 4,700 blitz games and around 3,400 bullet games next to a comparatively svelte 180 rapid appearances. A man of quiet contradictions, and apparently proud of each one.
Humble Beginnings: The 2015 Debut
Kovacsy arrived in April 2015 as an unassuming 1411-rated newcomer and immediately won 31 of his first 36 blitz games. September of that year was perfect: 15 games, 15 wins. By October he had surged past 2200, the chess equivalent of walking into a gym for the first time and deadlifting the entire rack. Then the record goes silent for all of 2016, either an archive gap or, in the romantic version, a sabbatical spent reading theory in a mountain cabin. He returned in 2017 and never really stopped.
The Curious Case of the Frozen 1323
The strangest chapter concerns rapid chess. From mid-2017 through 2019 his rapid rating sat pinned at exactly 1323, frozen in amber through dozens of games, even briefly visiting the 1000s in spring 2020. Then, after a single game in December 2020, it leapt straight to 2243, as if the system had suddenly remembered he was a FIDE Master. From there the climb was real: a 9-1-1 November run in 2023, a peak of 2476 on that New Year's Eve, and a 15-0-1 tear in November 2024. The late-career evidence is starting to back up his preference for rapid after all.
Opening Repertoire: Trades, Trades Everywhere
As White, he opens 1.e4 with near-religious devotion, playing it in all but a handful of his 2026 games. The rest is an all-you-can-trade buffet: the Exchange Variation of the Ruy Lopez (Ruy Lopez: Exchange Variation) as flagship, the French Exchange on the side, classical structures against the Caro-Kann Defense (Caro-Kann Defense), and a stern Maróczy Bind whenever anyone dares an Accelerated Dragon (Accelerated Dragon).
As Black he is a Sicilian Defense loyalist (Sicilian Defense), answering open Sicilians with Taimanov and Bastrikov setups, sparring in the Sherzer lines against the 2.c3 Alapin, and holding firm against Closed structures. Against 1.d4 he reaches for the Grünfeld Defense (Grünfeld Defense), usually the Exchange Variation, because of course he does. Then there is the Amar Gambit (Amar Gambit), the cheeky 1.Nh3 project, which has crossed his path in roughly a hundred bullet games and lost to him more often than it should probably admit.
Playing Style: Marathon Man with a Graceful Exit
Statistically, Kovacsy is a paradox engine. More than four of every five games reach an endgame, which he wins patiently at 82-plus moves per victory. He posts an 88% comeback rate and a tiny 1.27% one-sided loss rate, so he is rarely flattened outright. Yet he pairs that grit with a 66% early resignation rate: once a position is dead, he does not attend the funeral. The consequence is delicious. Across more than 8,300 recorded games he has delivered just 36 checkmates while suffering 91, largely because he leaves the board before the final scene can be filmed. His five career stalemates are framed somewhere, presumably. When he does give check, he prefers the honest tool: the rook is his most common checking piece by a landslide.
Rivalries: One Perfect Rival, Several Villains
No biography of sakkikuska is complete without the ledger of nemeses. At the top sits Tamas Gunes Ongut, his most frequent opponent over 124 games, with a record of 51 wins, 51 losses and 22 draws: a rivalry so perfectly balanced it feels engineered by the universe. Then there is mtksgang, dispatched 88-23-4, and elekfan16, held to 77-24-4, the kind of statistics that make a person check their door locks. Less pleasant is drholmes13, who leads their series 42-7-7, and karacsonyi_gellert, who has claimed 30 of 37. Every hero needs a recurring villain; Barnabas stocked an entire rogues' gallery.
The 2700 Surge
The late-era numbers read like a different player. Through 2023 he pushed his blitz strength past 2500, spent 2024 orbiting 2600, and in 2026 cracked the 2700 barrier, reaching a blitz peak of 2749 (2026-06-09) in June and a bullet peak of 2756 (2026-08-06) that August. The engine behind it was volume: 547 bullet games in March 2026 alone, plus a legendary 23-game winning streak, all seasoned with a 16-game losing streak he presumably filed under "research". The graph below tells the story of ten years of steady hammering.
Life Off the Board and Fun Facts
- His best hour is 04:00, with a win rate north of 52%. His worst is 07:00. He is not a morning person; he is a 4 a.m. person.
- Sundays are his best day of the week, Mondays his worst, which is simply science.
- His win rate drops nearly 17 points between casual and rated games. He calls it coincidence; the data calls it a scandal.
- Daily chess remains his kryptonite, with a career peak of just 1577. Correspondence patience is apparently not among his forged goods.
- A tilt factor of only 16 makes him one of the most unshakeable profiles on the platform. Bad beats bounce right off.
- Five career stalemates, each one reportedly followed by a long stare at the ceiling.