Chess Club
A "recreational" group dedicated to monitoring rare board states and unauthorized piece movement. We watch the game play itself.
The Regulus Gambit: A Piece Disappears
Chess Club
Date & Time
Saturday, April 25, 2026
Location
The Upper Dome (Clear Eastern Horizon Required)
Attendance
5 attending
Two anomalies. One night. First: a rogue piece known as C/2025 R3 has been drifting toward the board for months — and on April 25th, it reaches maximum visibility. Some analysts predict it will be bright enough to see without optical enhancers. We do not know where it came from. We do not know where it is going. Second: at 20:30, the star Regulus — one of the board's most stable fixed points — will be erased by the Moon's dark limb and blink back into existence from the bright side. A piece disappearing and reappearing is not standard play. We need witnesses.
Comet Acquisition
Locate C/2025 R3 before the main event. A fuzzy intruder with no fixed square. Document its position and brightness — this piece does not belong on this board.
The Disappearance
Regulus blinks out behind the Moon's dark limb. It is instantaneous. You will miss it if you look away. Do not look away.
The Reappearance & Debrief
Regulus emerges from the bright limb. Compare observations. Was it the same piece that went in? Open analysis until the comet sets.
Binoculars, small telescope if available, lunar filter, two sets of eyes minimum.