Double dummy bridge solver in your browser
Enter a 52-card deal using only these pips:
Drag a highlighted card onto the trick (or click it). Each card shows how the contract ends (=, +N, –N) with best play and defense. Undo with ⌘/Ctrl-Z.
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DDS Web is a browser demo of DDS, a double dummy originally written by Bo Haglund. It runs entirely client-side via WebAssembly: enter a deal (or import one), and the page fills a double-dummy table of max tricks by declarer and strain.
No. Cards, imports, and solve results stay on your device. The solver module is downloaded once with the page; nothing is sent to a server to analyze a deal.
After the double-dummy table appears, click a cell to enter play for that declarer and strain (or that seat on lead for a partial deal). Drag or click a highlighted card to play it; each card shows the contract outcome with best play and defense. Undo with ⌘/Ctrl-Z, or choose Edit hands to leave play mode.