Harmen Jonkman is a Grandmaster, a rare species in the chess world, known for his fearless and strategic gameplay. With a love for the Bullet time control, Harmen dazzles opponents with quick thinking and even quicker moves, proving that speed and precision can go hand in hand on the battlefield of 64 squares.
Playing Style and Strengths
Jonkman's style is a blend of tactical awareness and resilience:
Renowned for a strong comeback rate of nearly 80%, showing he never gives up easily.
Excellent psychological fortitude with a low tilt factor of 10, meaning he keeps his cool even in tough matches.
Prefers to keep games dynamic with an average of over 70 moves for wins, indicating deep and prolonged battles.
His win rate after losing a piece stands at 55%, a testament to his resourcefulness and fighting spirit.
Favorite Openings
Harmen demonstrates versatility across multiple openings, with impressive win rates especially in Blitz chess:
Blitz: Indian Defence, Knights Variation (86% win rate), Italian Game: Giuoco Pianissimo (67%), and Benoni structures often bedeviling opponents.
Bullet: Hungarian Opening and Benko Opening showcase his attacking flair, holding win rates over 69% and 77% respectively.
Rapid: Though played less frequently, Harmen scores well with the Indian Defence, Knights Variation and Neo-King’s Indian London System.
Career Highlights & Statistics
Peak Blitz rating of 2539 in January 2023.
Reached a Bullet peak rating of 2378 in mid-2024.
Rapid peak rating of 2261 early 2023.
Impressive win-to-loss records in Bullet (588 wins to 316 losses), with strong performances also in Blitz and Rapid formats.
Longest winning streak recorded at 23 games — a true demonstration of dominance!
Fun Facts
Harmen’s best time for play is around 11 AM, perhaps fueled by a strong coffee and a sharp mind.
He has an “early resignation rate” under 1%, meaning he rarely throws in the towel without a fight.
Favorites include tricky defenses and quiet maneuvering openings — perfect for keeping opponents guessing.
Harmen often surprises with unusual first moves such as 1.g3, showing his creative approach to the game.
Coach Chesswick
Coach's Advice
It's been a while since you played. Play a few more games so we have more positions and decisions to review — then I can provide you with clearer, more actionable advice.