/FONT#1=BDR40/FONT#2=BDI30/FONT#3=CORON ␈↓↓␈↓α␈↓β␈↓ ↓H ␈↓ ↓H ␈↓ ↓H ␈↓ ↓H ␈↓ ↓H ␈↓↓␈↓ ¬"Checkers on the F-8␈↓ ↓H ␈↓ ↓H ␈↓α␈↓ ε1as of␈↓ ↓H ␈↓ ↓H ␈↓↓␈↓ ¬J18 October 1977␈↓ ↓H ␈↓ ↓H ␈↓β␈↓ ¬BArthur L. Samuel␈↓ ↓H ␈↓ ε?and␈↓ ↓H ␈↓ ¬mNiall Shapero␈↓ ↓H ␈↓ ↓H ␈↓ ↓H ␈↓ ↓H