Gold Prospecting

Rebuild the board, enter your three pieces, get the run that mines the most.

  1. Load the openingThe stage always starts the same way. Press Load opening under the board. If your board looks different, paint it yourself.
  2. Enter what you still oweCopy the three counters from the game into Still to mine. Nothing runs without them.
  3. Add your three piecesPick a slot, then click the matching shape in the tray. Pieces never rotate, so choose the exact orientation shown.
  4. Put the gems on the piecesPick a gem colour in the paint tool, then click the piece's own squares. Skip any piece that carries none.
  5. Find the runYou get the three moves in order, with the row and column for each. Play them in the game.
  6. Carry onPress Use this board to copy the result back and drop your counters, then enter the next three pieces.

Paint tool

The pieces

Still to mine

Session log 0 rounds

Every Use this board saves that round — board, pieces, gems, quota, run. Nothing leaves the page; Export prints text you can hand back so the solver can be tuned on real games. A reload wipes it, and start a fresh log for each new attempt.

How the solver reads the game

Nothing stacks: a piece lands only on free cells, and gems in the ground block them too. A full row or column clears and pays out every gem it held. Gems carried by a piece land on the board and pay out in the same move if that move completes their line. Rows and columns finished together clear together. All three pieces must be placed, colours are never interchangeable, and a colour stops appearing on new pieces once its quota is full.

Every candidate run is scored on the gems it banks, on how close the gems left behind are to falling, and on whether the board it leaves still accepts the shapes the game deals. Those weights were fitted by self-play against a simulator calibrated on recorded games.