A FIDE Master with a foamy username
Sebastian Gramlich, known online as Lather42, is a FIDE Master who plays with the volume turned up. Despite a name that suggests soap bubbles, his chess is sharp, stubborn, and anything but foamy. His true home is the blitz ladder, where he plays an enormous number of games, wins the vast majority of them, and only rarely settles for a draw.
If you meet Lather42 in the middle of the night, you have been warned. His personal clock points to 1:00 a.m. as the best time to play, and his results there are genuinely impressive. He is also one of the few players who appears to treat the endgame as a safe place. His endgame frequency is extremely high, and he rarely reaches for the resign button. A 29-game winning streak is on his resume, so do not expect a short, friendly encounter.
Sharp openings, sharper nerves
Sebastian has a broad but mostly sharp opening repertoire. With the black pieces he gravitates to the Sicilian Defense, especially the sharp Najdorf Variation. He handles it well in rapid play, though blitz opponents have learned to punch back. As White, he is happy to face the Caro-Kann Defense and regularly chooses the French Defense: Advance Variation when the position heads toward closed pawn play.
His rise from a modest player in early 2024 to a genuinely strong online force is best illustrated by the chart. It was not a single meteoric run; it was a wave of energy, climbing to remarkable heights.
His hard results in blitz alone are enormous, with a rather unusual amount of decisive games. He wins often, loses rarely by comparison, and almost never draws. Prefers blitz, but his brain seems happiest when it is under 10 seconds of per-move pressure.
The comeback kid
Sebastian is also a player you cannot count out. His comeback rate is extremely high, and even after losing a piece he still seems to find ways to embarrass opponents. He plays long games, averages more than 70 moves per win, and lives in the endgame. That style fits a player who turns lost-looking positions into training chances.
A chart of his opening results shows where he earns survival. Literally and statistically, his best opening results in both rapid and blitz are frequently sharp set-ups, whether the Amazon Attack or a classical Sicilian Defense that carries a high win rate in many forms.
Rivals and the road ahead
Every chess hero has a villain. For Sebastian, that villain has a name: swop1107. In their recorded meetings, swop1107 owns a perfect winning streak against him. It is a small spot in an otherwise frightening record, but it proves that even a FIDE Master with Lather42 in the username can have a nightmare opponent.
His name might sound playful, his play does not. Sebastian Gramlich is one of the busiest improvers in the online blitz world, and the evidence says he is not slowing down.