( ; SZ [7] AB [ad][bd][cd][dd][ed][fd][gd] TR [ad][bd][cd][dd][ed][fd][gd] C [Play on the 3 x 7 board on the TOP half, win by the largest number of points (Chinese rules). Please ignore the black stones on the 4th line; they are there to (1) mark the edge of the board and (2) complete captures (otherwise the liberty on row 4 will prevent some stones from being captured).][FORCE] (; B [db]; W [cb] (; B [eb]; W [bb] C [Please do NOT play on the top row (row 7) for this move.][FORCE] (; B [cc]; W [bc] (; B [ab]; W [ca] (; B [fb]; AW [cd] W [dc] AB [cd] (; B [da]; W [aa]; B [ba]; W [gb]; B [aa]; W [ec] (; B [fc]; W [fa]; B [cc]; AW [cd] W [dc] AB [cd]; B [ec]; W [ga]; B [cc]; W [ac]; B [aa]; AW [cd] W [dc] AB [cd] (; B [ab]; W [ge] C [White passes.]; B [cc] C [RIGHT][Correct! Black wins by 21 points (full-board victory)!])(; B [ba]; W [ge] C [White passes]; B [cc] C [RIGHT][Correct! Black wins by 21 points (full-board victory)!]))(; B [fa]; W [fc]))(; B [aa]; W [ec] (; B [da]; W [fc])(; B [fc]; W [gb]))(; B [ec]; W [aa] C [White lives.]))(; B [da]; W [fb])(; B [aa]; W [fb]))(; B [ba]; W [ca]; B [ab]; W [aa] C [White will live by playing A5 next; black could have killed.])(; B [ca]; W [ba]; B [ab]; W [fb]))(; B [dc]; W [ab] C [White lives, you could have killed for a full-board victory.])(; B [fb]; W [ab] C [White lives, you could have killed for a full-board victory.]))(; B [cc]; W [eb])(; B [ca]; W [eb])(; B [da]; W [eb] (; B [cc]; W [ea])(; B [dc]; W [cc] C [Black's group is in trouble.])(; B [ec]; W [ca]))(; B [dc]; W [eb] (; B [ca]; W [ec])(; B [da]; W [ca] C [Black's group is in trouble.])(; B [ea]; W [cc]))) (; B [cb] C [NOTTHIS]) (; B [eb] C [NOTTHIS][These two variations are restricted due to being similar to the main solution.]) )