Loot & Baloot

v3.1.9 (2026-05-10)

Full Changelog Previous Releases

• v3.1.9: Partner-trump-led-fragile-lock + forced-ruff trump conservation
  User saved-game (round 5): SaudiMaster bot bid Hokm trump=H but lost
  trick 1 (partner KH lead → bot ducked QH → opp's TH won) and burned
  JH on routine pos-4 ruff in trick 2 (AH would have won the same
  trick). Team won 6/8; Kaboot was on the table.
  Bot.lua: in partnerWinning + Hokm + trump-led + partner-led branch,
  detect when partner's lead is NOT the highest unplayed trump (so opp
  pos-4 may over-cut) and play the minimum-sufficient lock card. With
  the fix, bot plays AH for T1 → wins → Kaboot back in play.
  BotMaster.lua: post-argmax override. When ISMCTS picks a high trump
  in forced-ruff (Hokm + non-trump lead + all legal are trump), swap
  to lowest-trick-rank trump. ISMCTS rollouts under-value future
  J-of-trump preservation; Saudi convention is unambiguous "don't
  waste J/9 on a routine ruff." Override forces canonical play.
  Tests: 963/963 (was 953, +10 new pins in section AW).
  Co-Authored-By: Claude Opus 4.7 (1M context) noreply@anthropic.com