Serhii — known online as chessMADoo
Serhii (username: chessMADoo) is a highly active and creative chess player best known for his rapid play. A baritone of the blitz board and a maestro of the rapid time control, he combines long endgames and stubborn tactical comebacks with an appetite for offbeat openings. This profile highlights his style, favorite lines, and career notes for fans and searchers looking for "Serhii chess player", "chessMADoo openings", or "rapid chess specialist".
- Preferred time control: Rapid (specialist and heavy competitor in rapid events)
- Peak rapid achievement: 2342 (2025-11-27)
- Quick trend:
Playing style & strengths
Serhii is a long-game grinder who often drags opponents into endgames and complex middlegames. His averages show marathon-ish contests and an impressive comeback instinct — he’s the kind of player who turns lost positions into wins more often than most.
- Endgame frequency and long games — expects deep, strategic battles (avg decisive length ~67 moves).
- Excellent comeback rate — wins from worse positions with gritty technique.
- Prefers sharp, asymmetrical positions and gambit play when the moment is right.
Openings & repertoire
Serhii’s repertoire blends solid defenses with surprising gambits. He surprises opponents with both mainstream and eccentric choices.
- Reliable defenses: Caro-Kann Defense — a staple across time controls.
- Unconventional flavors: Bird Opening: Dutch Variation, Batavo Gambit and Amar Gambit — treats opponents to tricky positions early on.
- Sharp choices as Black: Sicilian Defense: Alapin Variation — played frequently with success.
- Also comfortable in Scandinavian and Czech lines, and can navigate the Amazon/Siberian Attack when provoked.
Example quick opening sequence you might see from Serhii (playable in a study viewer):
Career highlights & memorable stats
Serhii’s career is a story of steady improvement, punctuated by streaks of dominance and impressive runs in rapid play. Highlights include standout openings performance and long winning runs.
- Notable openings win rates: exceptional results with the Center Game and Amar Gambit in rapid/blitz contexts.
- Streaks: longest winning streak of 30 games; longest losing streak of 12 games — shows both hot streaks and times of learning.
- Opponent record curiosity: near-perfect short record versus ms_driver — a head-to-head worth studying: ms_driver.
Notable opponents & rivalries
Serhii has faced a wide field online. Some recurring opponents have become de facto rivals; the records show who gives him the most trouble and who he routinely outplays.
- Most-played opponents: ms_driver, chessman_ua, zinaivan, allo_sho_tam, gfgfg44.
- Standout head-to-head: ms_driver — dominant results for Serhii (ms_driver).
- Style matchups: aggressive tacticians can both trouble and inspire Serhii’s best play.
Quirks, psychology & training tips
Serhii’s game is full of personality: a love of gambits, long battles, and a readiness to fight back from disadvantage. He tilts occasionally but mostly bounces back quickly.
- Quirk: unusually high average moves per game — expect protracted struggles rather than quick wins.
- Psych: strong comeback ability; works well under pressure and often equalizes from worse positions.
- Training hint for opponents: avoid simplification too early; Serhii thrives in messy positions.
Fun facts & personality
Serhii mixes seriousness with humor at the board — he’ll play a dubious gambit with a grin and then spend 40 moves proving it was a brilliant idea. Fans describe him as "relentless, creative, and slightly mischievous."
- Nickname online: chessMADoo — memorable and search-friendly.
- Favorite trick: springing an Amar Gambit in blitz and turning it into a 60-move endgame.
- Perfect for streamers: games often include tactical fireworks and dramatic comebacks.
Explore more
Want to follow Serhii’s progress or study his openings? Use the interactive chart above and these links to dig into specific terms and opponents:
- Trend chart (Rapid):
- Look up his signature Caro-Kann work: Caro-Kann Defense
- Study his top rival: ms_driver