Checkers on the River — a real draughts engine under the full cosmos sky

Checkers on the Rivera riverboat deck at night · real sky over the Mississippi (31.6°N) · alpha-beta draughts · WebGL2 —

Red (South)12

Black (North)12

Who plays

AI search depth

Move tempo

Deck lanterns (real, with shadows) Bow lantern — bright, warm Stern lamp — soft, warm Table lamp — flickering flame

+ real Moon (from star charts, driving the sky)

River reflection

Simulation

Plies0

Discs on board24

Captured (in trays)0

Positions searched0

Eval (Red view)0.0

Move log

No moves yet.

Analyze & coach the AI

Every legal move, ranked by the alpha-beta engine. ★ = its pick. Click any bar to force that move — the gambler physically plays your choice, then the AI carries on. × = a jump (mandatory when available).

♛

Black wins

12 – 8

a decided game on the river

New game.

drag to orbit · scroll to zoom · click one of your discs, then a highlighted square — the gambler plays it