Marco (balthaser) - Chess Player Profile

Marco, known online as balthaser, is a relentless and highly active chess player with a specialty in fast time controls. A marathoner of Blitz and a late-night Bullet aficionado, Marco blends deep endgame experience with a surprisingly resilient tactical nose. This profile highlights playing habits, favorite openings, notable opponents, and a few quirky facts for fans and opponents alike.

Preferred time control - Bullet. Marco also plays enormous volumes of Blitz and has established a large, data-rich track record across online play.

Peak ratings (highlights): 2459 (2026-02-17), 2096 (2025-05-30), 2126 (2026-02-16)

Career Snapshot

Blitz specialist - over 20,700 recorded Blitz games with tens of thousands of decisions recorded.
Bullet experience - dozens of Bullet matches and a clear preference for fast, tactical combat.
Rapid and Daily play are occasional; Rapid shows solid results when played.
Overall competitive temperament - high endgame frequency and strong comeback ability.

Visual trend (Blitz rating history):

Playing Style & Strengths

Marco favors long, decisive games even in fast formats. Expect deep endgames and careful conversion rather than early resignation.

Endgame frequency: high - Marco reaches the endgame far more often than average.
Average moves per decisive game: wins ~73 moves, losses ~81 moves - Marco grinds games out.
Tactical resilience: comeback rate near 87 percent and about 51 percent win rate after losing material.
Early resignation rate: about 23 percent - will fold sometimes, but often fights on.
Best time to catch Marco online: around 23:00 - that is peak performance hour.

Psychological traits: solid tilt resistance with a measurable tilt factor of 14, but a clear preference for late-evening sessions when results peak.

Opening Repertoire

Marco has a broad and well-practiced opening set, with particular strengths on both sides of the Sicilian family and a reliable Scotch when playing White.

Signature openings: Sicilian Defense: Alapin Variation and Scotch Game - both show strong win rates in Blitz.
Other trusted systems: Caro-Kann Defense, Scandinavian Defense, Modern, and Czech Defense.
Bullet-level choices are pragmatic and result-focused - Alapin and Scotch are common go-to lines.

Representative short game skeleton (typical Marco middlegame path):

Notable Opponents & Streaks

Marco has battled many repeat opponents. A few of the most-played rivals include:

greenhorg - 62 games, record: 37 wins / 22 losses / 3 draws - gree nhorg
romask - 60 games, record: 36 wins / 21 losses / 3 draws - Romas Klimavicius
amstar13 - 49 games, record: 21 wins / 26 losses / 2 draws - Gregory Kilishek
manoelmendes - 41 games, record: 23 wins / 17 losses / 1 draw - manoelmendes

Streak highlights:

Longest winning streak: 17 games.
Longest losing streak: 14 games.
Current losing streak: 2 games.

Quick Facts & Fun Bits

Username: balthaser - sometimes sounds like a chess king in a fantasy novel, sometimes like a coffee machine.
Game temperament: likes long fights - average first capture comes around move 7.
Most common checking piece: queen - Marco loves checks that keep the opponent guessing.
Widely played opening in Blitz: Sicilian - Alapin Variation with thousands of games and a positive win rate.
If you want to prepare to beat Marco: practice endgame technique and late-night tactics at 23:00.

Want to explore a typical Marco game or analyze trends? The chart and PGN above will help visual tools render recent patterns and a representative game for study.

Summary

Marco (balthaser) is a high-volume, late-night Blitz and Bullet specialist who prefers grinding out endgames and mounting comebacks. Opponents should expect thorough endgame play, strong tactical awareness, and a taste for Sicilian and Scotch lines. If you beat Marco once, do not celebrate too loudly - the comeback statistic suggests a rematch is likely and wilder than the first show.