Fast double-dummy solver with par scoring, cardplay analysis and PBN processing.

Rust rebuild of the classic dealer.exe hand generator — runs its scripts, accepts its command line.

Turn a PBN file into printable hand diagrams, declarer’s-plan worksheets and bidding sheets.

Merge PDFs and screenshots into a handout with custom headers and footers.

Deterministic rule-based cardplay bot with teachable reason codes — it says why it played the card.