(to provoke Black's next)8...e6 9.0-0 Be7 10.Qe1 0-0 11.Bd3 Nd5 12.Be5 Bf6 13.c4 Bxe5 14.dxe5 Nf4 15.Bc2 Qe7 16.Qe3 Ng6 17.Ng5 h6 18.Nxf7 Rxf7 19.Bxg6 Rxf1+ 20.Rxf1 Bd7 21.Rf7 Qd8 22.Qf3 1-0
Black saw no way to stop mate, e. g., 22...Bc6 23.Rxg7+In round seven Diemer lost a 43-move Sicilian Defense to Crabbendam, a young master from Amsterdam.
There was a young master named Crabbendam, Who came down from the city of Amsterdam, In chess quite a schemer, He mastered Master Diemer, And said,"What a damn fine player I am!"So after seven rounds, with two left to play, Diemer stood in great shape with five wins and two losses. His eighth-round game was to produce fireworks. (To be continued)