![[Diagram]](../../diagrams/18/9ad67172c948ce86a6cfd89016e99c31.png)
Problem
White to play. How to prevent two ladders?
![[Diagram]](../../diagrams/26/5f627d4d66dd6f9cd9d11aef0fc49a80.png)
Ladder 1
This is the first ladder.
![[Diagram]](../../diagrams/20/50f4dd6ad4b230742466e52c7d5dc9ba.png)
Ladder 2 (8 at 1)
This is the second ladder. If
at
, then
at a, and eventually White will still need to capture at
.
![[Diagram]](../../diagrams/13/6a893811842fa5011bbf44c4a2561274.png)
Solution
The dual ladder breaker is
.
See also: