SUPER-PENTE

12* (nonlinear restriction)

 If a line of two or more stones of the same colour become trapped by a newly-played and an existing stone of the other colour, they are removed.

First to make an ortho/diag 4-line (or more) wins.

Sample Game: 


|  j k l m n o p q r s t u v         OO        XX 
|  . . . . . . . . . . . . .   0   ---------------- 
|  . . . . . . . . . . . . .   1   --  p6    p5  q7 
|  . . . . . x . . . . . . .   2   o4  r6    s6  o7 
|  . . . . . . . . . . . . .   3   o6  r8    q6  n7 
|  . . . . . . . . . . . . .   4   o3  p7    p8  o5 
|  . . . . . x x o . . . . .   5   q5  p7    o2  q9 
|  . . . . . o . x o x . . .   6   o9  q8    resign 
|  . . . . x x o : . . . . .   7 
|  . . . . . . : O o . . . .   8 
|  . . . . . O . x . . . . .   9 
|  . . . . . . . . . . . . .  10 
|  . . . . . . . . . . . . .  11 
|  . . . . . . . . . . . . .  12 
|  j k l m n o p q r s t u v