Ataxx

Ataxx & Hexxagon are very interesting games but there doesn't seem to be any strategic element, merely tactics. However, on much bigger boards, there might be some strategy. This variant is a very large game of Hexxagon with a restricted progressive mutator (which speeds and adds depth to the game) and with a more mixed-up start (to allow more flexibility of directions).

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1344 HEXXAGON

Every move must be from stones already on the board at the start of the turn
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  abcdefghijklmnopqrstuvwxyzABCDEFG      XXX    OOO
          x . . . x . . . o          1.  v4  n6,m5p4,f6
         . . . . . . . . . .         2.    
        . . . . . . . . . . .        3.    
       . . . . . o . . x . . .       4.      
      o . . . . . . . x . . . o      5.      
     . o . . . o . . . . . . . .     6.        
    . . . . . . . . . . . . . . .    7.        
   . . . . . . . . . . . . . . . .   8.        
  o . . . x . . . . . . . o . . . x  9.  
   . . . . . . . . . . . . . . . .  10.          
    . . . . . . . . . . . . . . .   11.        
     . . . . . . . . . . . . . .    12.        
      x . . . o . . . x . . . x     13.      
       . . . . . . . . . . . .      14.      
        . . . . . . . . . . .       15.    
         . . . . . . . . . .        16.    
          x . . . o . . . o         17.  

Trabsact Sagme Diaries

Let the players be silent, Let the pieces talk. [T.Sagme, Proverbs 3,2]

13(4) progressive mutator

Amazons is another example of a game using the progressive 13(4) mutator. So, the first player makes one move, then the second player makes three moves, and then, on every remaining turn, both players make four moves. There is a restriction (we should always attach restrictions to progressive mutators): a piece can only move once per turn. Here is a board after 7 moves:

a b c d e f g h i j k l m n o p q r s
. . . # y # . . . . . y . . . o . . . 1
. . . . # # . # . . . . . . . y . . . 2
y . . . # . # . . . . . . . . . . . . 3
. # # # # . # . . . . . . . . . . . . 4
. # . . # . . . . o . . . . . . . . . 5
# # . . . . . . . . . . . . . . . . . 6
# . . . . o # . . . . . . . . . . . . 7
. . . # . . . . . . . . . . . . . . o 8
. . . y . . . . . . . . . . . . . . . 9
. . . . . . . . . . . . . . . . . . . 10
. . . . # o . . . . . o . . . . . . . 11
. . . . y . . . . . . . . . . . . . . 12
. . . y . . . . . . . . . . . . . . . 13
. . . . # . . . . . . . . . . . . . . 14
. . . # . . . . . . . . . . . . . . . 15
. . . y o . . . . . . . . . . . . . o 16
. . . # . . . . . . . . . . . . . . . 17
. . . . . . . . . . . . . . . . . . . 18
. . . . . . . . # . . . . . . . . . . 19
a b c d e f g h i j k l m n o p q r s

Moves: Y vs O

1. s4d4/b4
1... a7d7/g4 d19g16/g7 l19l16/i19
2. a8a5/b5 d1d2/d1 d4d3/d4 h19c14/c4
2... h1g2/e2 d7e6/e3 l16l11/e4 a12b11/b6
3. a5a9/e5 d3a3/a7 d2e1/g3 p19p2/h2
3... g2j5/f1 e6f7/f2 b11f11/a6 g16e16/e14
4. a16d16/d17 c14d13/d15 a9d9/d8 s12e12/e11