See if you can spot the two completely reasonable mistakes my opponent made, which, together, lost him the game:
#1 ycz6: 22 points (3 Provinces, 3 Great Halls, and an Estate); 16 turns
#2 marin: 21 points (2 Provinces, 5 Great Halls, and 4 Estates); 16 turns
— marin's turn 16 —
marin plays a Border Village.
... drawing 1 card and getting +2 actions.
marin plays a Great Hall.
... drawing 1 card and getting +1 action.
marin plays a Grand Market.
... drawing 1 card and getting +1 action, +1 buy, and +$2.
marin plays a Grand Market.
... drawing 1 card and getting +1 action, +1 buy, and +$2.
marin plays a Great Hall.
... drawing 1 card and getting +1 action.
marin plays a Grand Market.
... (marin reshuffles.)
... drawing 1 card and getting +1 action, +1 buy, and +$2.
marin plays a Border Village.
... drawing 1 card and getting +2 actions.
marin plays a Silver and 2 Quarries.
marin buys a Border Village.
... gaining a Mandarin.
... ... putting a Silver and 2 Quarries back on the deck (in some order).
marin buys a Border Village.
... gaining a Mandarin.
marin buys an Estate.
(marin draws: a Silver, 2 Quarries, a Province, and a Great Hall.)
Great Halls, Border Villages, and Grand Markets are all gone.
ycz6 wins!