LOVE-Y

LOVE-L modifier:
Along with one's own stone one must play an opponent
stone as (Euclidean) close as possible to one's own.

          .            1.   n6  o5    m5 n4
         . .           2.   g7  f6    h6 g5
        . . .          3.   f8  e7    k7 m7
       . . . x         4.   l10 m11   j10 k11
      x . . o o        5.   j8  i9    i7 j6 !
     o o x . x .       6.   h8  g9    l8 n8
    o x o o x . .      7.   resign
   . x x x O X . .     8.  
  . . o o . . . . .    9.  
 . . . . o x . . . .  10.
. . . . . x o . . . . 11.  
abcdefghijklmnopqrstu

The 5th move for the second player finishes the game abruptly (a kind of mate in 6).