Replay 17 real tournament games (cross-tables.com, including the 700+ club) and
check, move for move, that:
- ScorePlay reproduces the protocol score and running total exactly;
- the move generator produces every dictionary-valid played move with that score.
The GCG parser handles coordinates (across/down), blanks (lowercase), played-through
tiles ("."), passes/exchanges, challenge bonuses, end-game rack adjustments and phony
withdrawals ("--", un-applied). Uses the committed dawg/en_sowpods.dawg.