Jakob Weihrauch (LoonsDeKoeben)
Jakob Weihrauch, known online as LoonsDeKoeben, is a FIDE Master and a force to be reckoned with across fast time controls. A versatile player who prefers Rapid games, Jakob combines deep endgame play with a fondness for sharp and sometimes cheeky opening choices. He is an active competitor in Bullet and Blitz as well, where his tactical instincts and stamina often decide long, exciting battles.
Title: FIDE Master. Preferred time control: Rapid. Keywords: Jakob Weihrauch, LoonsDeKoeben, FIDE Master, chess biography, rapid, blitz, bullet, openings, tactics.
Career highlights
- Earned the FIDE Master title and carved a reputation for fast, tactical play.
- Notable streaks include a longest winning streak of 9 games and a longest losing streak of 8 games.
- Strong comeback ability. Jakob turns around difficult positions at an impressive rate of 86.24 percent.
- Peak performance badges: 2556 (2024-09-18) and 2521 (2026-02-14) to track high points.
Playing style and key statistics
Jakob blends patient endgame technique with an appetite for complications. He reaches endgames frequently and is comfortable in long battles. A few signature metrics:
- Endgame frequency is high, reflecting a willingness to grind out wins late into the game.
- Avg moves per win: about 79. Avg moves per loss: about 84. Jakob rarely exits early but will resign when the situation is truly hopeless. Early resignation rate is around 26 percent.
- Strong tactical resilience. Win rate after losing material sits near 43 percent.
- Psychology quirks: a Tilt Factor of 8 and a best time of day to play around 06:00.
For a visual of recent momentum in faster games try this chart.
Openings and approach
Jakob is eclectic with openings and enjoys surprising opponents. He often chooses dynamic lines as White and flexible defenses as Black.
- Favorite and high activity openings: Amar Gambit, Sicilian Defense, Caro-Kann Defense.
- Rapid highlights: strong results with the Sicilian Defense: Dragon Variation and the London System: Poisoned Pawn Variation.
- Blitz repertoire includes the Sicilian Defense: Closed and the Amazon Attack: Siberian Attack.
- In Bullet, Jakob plays everything from the Modern to offbeat choices like the Barnes Defense.
Memorable games
Jakob has a taste for dramatic turnarounds and long tactical fights. Below is a sample miniature from his Sicilian experiments. Watch how central tension explodes into a tactical melee.
Sample game viewer:
- Short illustrative PGN:
- One recent spicy encounter: View Game
Opponents and head to head
Jakob has faced a consistent group of online rivals. He performs well against many regular opponents and has developed targeted preparation for them.
- Most played: user408632 — 15 games, competitive and closely contested.
- Frequent matchups: Wayovsky (11 games), Rogelio Jr Antonio (10 games).
- Other regulars include beztdonut, Caio Victor Brandts Buys, and bulletqueen.
Fun facts and quick stats
- White win rate about 45.5 percent. Black win rate about 45.0 percent.
- Strength adjusted win rates suggest Jakob is especially effective in Rapid play. Preferred time control: Rapid.
- Typical pattern: long games, heavy checking activity, and a willingness to trade into complex endgames.
- Placeholders for deeper digging: and 2521 (2026-02-14).
Want the full dossier? Use the profile links above to examine individual games, opening lines, and head to head records. And if Jakob ever challenges you at dawn, be warned. That 06:00 form is real.