Proving the move generator…

Own engine · verified by perft

Chess that proves itself

Proving the move generator…

Depth

Eval

–

0.00

Principal variation

Self-test · perft from the start position

Depth	Computed	Expected
1	…	20
2	…	400
3	…	8,902
4	…	197,281

Every legal move tree is counted to depth 4 before the board unlocks.