The correct value depends on what magic number (square emptiness
probability) is chosen. I go with Ralph's uppen end estimate of .7 With
his lower end estimate of 2/3 then the value of the SS Rhino would be
2 + 2 *(2/3) = 3 1/3
The Gnomon is a different matter: its lame H move must be multiplied by
.49 or .44 as there are two interventing squres.