Checkers Lab

Checkers Lab The world's checkers, in one app. Checkers Lab lets you play checkers under multiple international rule sets. Each variant has its own piece movement, capture obligations, and king behavior — switch between them on the same board. [Main Features] ■ 9 Rule Variants American / UK, Russian, International, Brazilian, Italian, Spanish, Pool, Thai, German Faithful implementation of each variant's unique rules, including backward captures, mandatory maximum capture, huffing, and the flying king. Supports both 8x8 and 10x10 boards. ■ Game Modes Human vs Human / Human vs CPU (AI strength adjustable from 1 to 15) ■ AI Support Tap the icon at the bottom-left of the board during a game to have the AI suggest your next move. Thinking level is adjustable from 0 to 15 in the System tab (set to Off to disable). ■ Rule Details Board size (8x8 / 10x10), piece count, first move, and capture rules are all configurable in-app. ■ Board Customization Choose from multiple board palettes, piece palettes, and animation styles. ■ Legal Move Hints Off / Dots / Arrows (selected piece only / always shown) ■ Evaluation Graph Real-time display of the AI's evaluation. Expandable to full width. ■ Move List Move history shown in PDN notation (e.g., 11-15, 20x11) with thinking time for each move. ■ In-Game Controls Hint (AI suggests your next move) and Undo (revert to your last turn) ■ Input Modes Switch between drag and tap controls. ■ Board Effects Move animation, capture rings, landing effects, last-move highlight, and board rotation when playing as Black. ■ End of Game Result screen shows the outcome (White wins / Black wins / Draw). ■ Privacy No personal information is collected or transmitted. All settings are stored locally on your device. See the System tab in the app or our Privacy Policy for details. We will continue to expand the number of supported rule variants.