Fast Double-Dummy Solver Web App

Source on https://github.com/macroxue/bridge-solver

Each card shows how the contract ends (=, +N, –N) if played and followed by best defense/declarer play.

Enter each suit's ranks, blank for void, T/10 for ten, X for a small card, all case-insensitive.

North

♠

♥

♦

♣

West

♠

♥

♦

♣

East

♠

♥

♦

♣

South

♠

♥

♦

♣