[Retros] 9.5 < 10.5

[Noam Elkies]

Joost de Heer wrote, concerning SPG's ending with mate
by double check with both units promoted:


> Actually, the theoretical minimum of R/N would be 9.5

> [...] Probably unreachable though.


Maybe not with R/N, but here it is with Q(B)/N:

1 d4 f6 2 d5 Kf7 3 d6 Kg6 4 de d5 5 e4 Bf5 6 e5 Nd7 7 ef Rb8
8 f7 Ngf6 9 e8=B(Q) Bc5 10 f8=N## (both C+, in 750 msec. each)

NDE