Shortest A-to-B Proof Games 4x4

    Keywords: Problem

Starting from diagram A, the two players cooperate to reach diagram B as quickly as possible. Black moves first, passing is allowed, and suicide is not allowed. In each problem the solution is unique.

[Diagram]

A

[Diagram]

B

Problem 1: shortest A-to-B proof game in 24 moves.


[Diagram]

A

[Diagram]

B

Problem 2: shortest A-to-B proof game in 24 moves.


  • Attempts?
  • Solution?

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(OC) 2016 the Authors, published under the OpenContent License V1.0.
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