A Roundup Of The Sports Information Of The Week

AUTO RACING—ANDREA DE ADAMICH of Italy and RONNIE PETERSON of Sweden drove their Alfa Romeo prototype to victory in the Watkins Glen Six Hours of Endurance, the first half of an upstate New York doubleheader. They covered 677.4 miles over the rain-soaked track, for Alfa's third victory over Porsche, which nonetheless had already clinched this season's World Championship of Manufacturers. Jo Siffert of Switzerland and Gijs van Lennep of the Netherlands finished second in a Porsche.

The next day PETER REVSON, in a Gulf-McLaren, won the fourth race of the 1971 Can-Am Challenge Series on the newly remodeled Watkins Glen road course. Revson averaged 128.58 mph over 82 laps. Second, in another McLaren, was Denis Hulme, while Jo Siffert finished third in the same Porsche he drove the previous day. Jackie Stewart, who led through the 27th lap, fell back to third, behind Revson and Hulme, after a fiat tire, and then dropped out because of transmission failure.

Richard Petty, in his 1971 blue Plymouth, boosted his record career earnings to $997,643 and gained his 133rd victory by taking the Nashville ( Tenn.) 420 NASCAR race for Grand National drivers.

Dieter Glemser of West Germany and A. SOLER-ROIG of Spain won the 24 Hours Endurance Race of Francorchamps ( Belgium) in a Ford Capri 2940 cc. The race was marred by the death of 40-year-old Belgian driver Raymond Mathay, whose BMW went off the road, over a railing and caught fire.

BOATING—Roger Derusha's ENDURANCE, a 43-foot sloop, took Section I of the Chicago-to-Mackinac race in a corrected time of 45:29 and was named top performer of the 333-mile race across Lake Michigan.

BOWLING—J. B. BLAYLOCK, an electronic technician from Alamogordo, N. Mex. and a part-time PBA bowler, won his first tour championship when he took the $35,000 El Paso Open.

CHESS—BOBBY FISCHER, who had shut out Mark Taimanov of the Soviet Union in the first elimination round, defeated Bent Larsen of Denmark 6-0 at Temple Buell College in Denver (page 18).

FISHING—MICHELLE SPALDING of Kailua-Kona, Hawaii, set a women's world record with a 204�-pound yellowfin tuna caught on 50-pound test line at the Annual Hawaii Invitational Billfish Tournament in Kona, Hawaii.

GOLF—ARNOLD PALMER led from start to finish and set a tournament record in the $250,000 Westchester Classic with an 18-under-par 270 (page 20). Gibby Gilbert and Hale Irwin tied for second, five strokes back.

Ben Crenshaw, NCAA champion from the University of Texas, shot a final-round 72 for a 281 total to win the Southern Amateur Championship at Pinehurst, N.C. Gary Koch of the University of Florida finished second with a 285.