Statistics on the partial 10-piece Italian db

Database slice

Exactly resolved

Partially resolved

Unknown

4 men 1 king vs. 4 men 1 king

32.6%

44.2%

23.2%

4 men 1 king vs. 5 men

57.0%

33.9%

9.1%

5 men vs. 5 men

59.2%

33.0%

7.7%

This table shows the percentage of positions that were resolved by building only a few slices of the 10-piece Italian checkers database. These statistics are taken after compression. Since compression removes capture positions and threatened captures by the side not having the turn to move, the percentage of resolved positions is higher in the uncompressed data.

Exactly resolved: these positions were resolved to an exact value of either win, draw, or loss.
Partially resolved: these positions were resolved to values of either 'win or draw', or 'draw or loss'. When kingsrow encounters one of these positions in a search, it calculates a heuristic value for the position and then uses the database value to limit it to either 'at least a draw' or 'at most a draw'.
Unknown: these positions could not be resolved because they depend on uncomputed 10-piece positions with more kings.