11

This number is a prime.

Just showing those entries submitted by 'Merickel': (Click here to show all)

+ Checkmate by promotion of Pawn to Knight can occur in 11 half-moves in unique sequence excepting a possible 'en passant' capture. [Merickel]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell