Harold Mosquera

Harold Mosquera (aka haroldnix)

Harold Mosquera is a chess player whose journey through the ranks of online blitz and daily chess is nothing short of a rollercoaster ride—with more twists and turns than a Sicilian Defense! Known by the username haroldnix, he’s logged thousands of games, with a blitz battle count nearing 7,000 matches. Notably, he achieved his peak blitz rating of 1142 in December 2021 and soared to 1260 in daily chess by mid-2023. A respectable rise, though one wonders if his career is a metaphor for Murphy’s Law in motion—anything that can go wrong will be a part of his journey, but usually followed by a brilliant comeback.

Playing Style & Stats

Harold’s playing style could be described as steadfast—with a penchant for never giving up. His Comeback Rate is an impressive 85.15%, suggesting he can claw his way back from tough spots more often than not. Average moves per game hover around 65, showing he enjoys a fairly long dance on the board instead of quick checkmates or blunders (well, most of the time!).

He has a slight edge when playing white (49.7% wins) versus black (46.4%), and his favorite battleground is undoubtedly blitz, where he’s fought tirelessly to maintain a close to 50% win rate against opponents of all calibers.

Openings & Favorite Strategies

When it comes to openings, Harold keeps some secrets up his sleeve, with a mysterious “Top Secret” opening record dominating his games. But he’s also known to dabble in classical openings like the Scandinavian Defense, the Philidor Defense, and the Ruy Lopez, occasionally surprising his opponents with offbeat variations like the Mieses-Kotrc Variation of the Scandinavian—proving he’s not afraid to rock the boat.

Psychological Resilience

With a Tilt Factor of just 11, Harold manages to keep his cool during most games, although every chess warrior has off days. His battles peak early in the morning (8:00 AM being his best time to play), so if you want a good fight or a lesson in perseverance, that’s when haroldnix is hottest on the clock.

Moments of Glory

Some of Harold’s most memorable victories involve grinding down opponents to a resignation or delivering a stylish checkmate. One standout game saw him triumph with a classic Philidor Defense—a fitting nod to chess tradition—while his keen sense for tactics shines through in rapid tactical bursts.

Off the Board

Whether Harold Mosquera is planning his next tactical masterpiece or resigning himself to the whims of a ruthless chess engine, he exemplifies the true spirit of the game: resilience, adaptability, and a dash of unpredictability. His game count and mix of wins, losses, and draws tell a tale of someone who doesn’t just play chess but enjoys the drama it unfolds.

Fun fact: With over 2000 resignations against him, Harold might be the unofficial patron saint of “never say die”—because for every loss, there’s a chess comeback waiting in the wings!

Follow haroldnix for a thrilling ride through checkmates, blunders, and the occasional brilliance that only chess can offer.