Agent 1: The SIMPLE agent. An agent that simply kills.
Agent 2: The Vulture: A patient agent that waits for a mistake, before pouncing without mercy.

  A B C D E F  
1 . X X X X . 1
2 O . . . . O 2
3 O . . . . O 3
4 O . . . . O 4
5 O . . . . O 5
6 . X X X X . 6
  A B C D E F  

Turn 1: Agent 1 -> D6B4

  A B C D E F  
1 . X X X X . 1
2 O . . . . O 2
3 O . . . . O 3
4 O X . . . O 4
5 O . . . . O 5
6 . X X . X . 6
  A B C D E F  

Turn 2: Agent 2 -> A2C2

  A B C D E F  
1 . X X X X . 1
2 . . O . . O 2
3 O . . . . O 3
4 O X . . . O 4
5 O . . . . O 5
6 . X X . X . 6
  A B C D E F  

Turn 3: Agent 1 -> B6B3

  A B C D E F  
1 . X X X X . 1
2 . . O . . O 2
3 O X . . . O 3
4 O X . . . O 4
5 O . . . . O 5
6 . . X . X . 6
  A B C D E F  

Turn 4: Agent 2 -> C2A2

  A B C D E F  
1 . X X X X . 1
2 O . . . . O 2
3 O X . . . O 3
4 O X . . . O 4
5 O . . . . O 5
6 . . X . X . 6
  A B C D E F  

Turn 5: Agent 1 -> B1D3

  A B C D E F  
1 . . X X X . 1
2 O . . . . O 2
3 O X . X . O 3
4 O X . . . O 4
5 O . . . . O 5
6 . . X . X . 6
  A B C D E F  

Turn 6: Agent 2 -> A2B1

  A B C D E F  
1 . O X X X . 1
2 . . . . . O 2
3 O X . X . O 3
4 O X . . . O 4
5 O . . . . O 5
6 . . X . X . 6
  A B C D E F  

Turn 7: Agent 1 -> C1C3

  A B C D E F  
1 . O . X X . 1
2 . . . . . O 2
3 O X X X . O 3
4 O X . . . O 4
5 O . . . . O 5
6 . . X . X . 6
  A B C D E F  

Turn 8: Agent 2 -> B1A2

  A B C D E F  
1 . . . X X . 1
2 O . . . . O 2
3 O X X X . O 3
4 O X . . . O 4
5 O . . . . O 5
6 . . X . X . 6
  A B C D E F  

Turn 9: Agent 1 -> D1F3

  A B C D E F  
1 . . . . X . 1
2 O . . . . O 2
3 O X X X . X 3
4 O X . . . O 4
5 O . . . . O 5
6 . . X . X . 6
  A B C D E F  

Turn 10: Agent 2 -> A2B1

  A B C D E F  
1 . O . . X . 1
2 . . . . . O 2
3 O X X X . X 3
4 O X . . . O 4
5 O . . . . O 5
6 . . X . X . 6
  A B C D E F  

Turn 11: Agent 1 -> E1E3

  A B C D E F  
1 . O . . . . 1
2 . . . . . O 2
3 O X X X X X 3
4 O X . . . O 4
5 O . . . . O 5
6 . . X . X . 6
  A B C D E F  

Turn 12: Agent 2 -> B1A1

  A B C D E F  
1 O . . . . . 1
2 . . . . . O 2
3 O X X X X X 3
4 O X . . . O 4
5 O . . . . O 5
6 . . X . X . 6
  A B C D E F  

Turn 13: Agent 1 -> D3D4

  A B C D E F  
1 O . . . . . 1
2 . . . . . O 2
3 O X X . X X 3
4 O X . X . O 4
5 O . . . . O 5
6 . . X . X . 6
  A B C D E F  

Turn 14: Agent 2 -> A1B1

  A B C D E F  
1 . O . . . . 1
2 . . . . . O 2
3 O X X . X X 3
4 O X . X . O 4
5 O . . . . O 5
6 . . X . X . 6
  A B C D E F  

Turn 15: Agent 1 -> B3D5

  A B C D E F  
1 . O . . . . 1
2 . . . . . O 2
3 O . X . X X 3
4 O X . X . O 4
5 O . . X . O 5
6 . . X . X . 6
  A B C D E F  

Agent 1 wins!