3 - hunt for more hardcoded variant-specific constants
4 - position of captured pieces in curses mode
5 - compile with bound-checker
6 - add autosave mode to ease hunt for segfaults ?
7 - use 2D array for the board, get rid of the (i)nunmap stuff
8 - fixup build procedure to support parallel make runs
9 - investigate those preexisting "overflow in implicit constant
12 Minishogi-related stuff
14 - make minishogi a run-time option rather than a compile-time one
16 - tune difficulty levels
17 - other tunings to investigate
18 * PromotionZoneDistanceBonus
20 - add minishogi stuff to the doc
21 - use valid minishogi moves in online help