|Test Platform
PUZ-COM-006

Underpromotion required is accepted

Correct underpromotion move is accepted

P1
both
puzzle
promotion
move-validation
special-moves
Test Steps
Steps to execute this test
  1. Reach promotion move in puzzle
  2. Promote to the required piece (knight)
Expected Result

Move accepted. Puzzle advances to next move or completes.

Preconditions
  • Puzzle solution requires underpromotion (e.g., e7e8n for knight)
Rule References
GLOBAL-010
Execution History
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