virtual connection: a cell-to-cell second-player connection strategy
mustplay region: intersection of carriers of all known opponent side-to-side vconns
dead cell
captured cell
inferior cell
puzzling hex primer
berge
hex and combinatorics
dead cells in the shannon game
solving 7x7 part 2
verifying
probing the 432
solving 8x8
xh-search
handicap
solving 9x9
capture-reversible, star-domination
reverse hex
solving 10x10