A Roundup Of The Week July 11-17

BOXING—FLOYD PATTERSON, 37, prepping for his Aug. 28 match against Muhammad Ali, scored a TKO over Pedro Agosto at the end of round six of their scheduled 10-rounder at the Singer Bowl in Queens, N.Y.

CHESS—In the world championship chess match in Reykjavik, Iceland, Bobby Fischer, who earlier forfeited a game by failing to appear, defeated Boris Spassky, but he still trails in games 2-1 (page 14).

DIVING—CINDY POTTER of Bloomington, Ind. captured the one-and three-meter springboard titles at the AAU outdoor diving meet in Lincoln, Neb., but fell short in her bid for a repeat of last year's trio of titles when JANET ELY of Ann Arbor, Mich. took the 10-meter platform championship. RICK EARLY of Long Beach, Calif. rallied from fourth place on his last three dives to pass defending champion Dick Rydze for the men's platform title. DON DUNFIELD, the indoor champion from Santa Clara, Calif. won the one-meter and Columbus, Ohio's MIKE FINNERAN the three-meter.

GOLF—LEE TREVINO dropped a 30-foot chip shot on the 17th hole of the final round to end Jack Nicklaus' dream of a Grand Slam with a one-stroke victory in the British Open at Muirfield (page 8).

Bob Allard, 23, of Portland, Ore., defeated Omaha's Rick Schultz 71-74 in an 18-hole playoff for the National Public Links golf title. The pair had tied at 285 after the regulation four rounds over the par-70 Coffin course in Indianapolis.

HARNESS RACING—SPEEDY CROWN ($4.20), Howard Beissinger driving, captured the 1�-mile, $125,000 International Trot by scoring a three-quarters of a length triumph over Canadian-owned Fresh Yankee at Roosevelt Raceway. It was the first victory by an American horse in the race since 1964 (page 52).

Albatross, the 1971 Harness Horse of the Year, became the winningest pacer ever ($1,001,868) when he set a mile record (1:57[3/5]) for 4-year-olds competing on a half-mile track at Saratoga Springs.

HORSE RACING—QUACK ($7.20), Donald Pierce up, tied the U.S. record of 1:58[1/5] while leaving Droll Role 5� lengths behind to win the 1�-mile, $175,000 Hollywood Gold Cup at Hollywood Park. Quack joined Round Table as the only 3-year-old winners in the 33 runnings of the race.

West Coast Scout ($6.60), owned by Buffalo Bill President Ralph Wilson, raced to a six-length victory over Hitchcock in the $113,500 Haskell Handicap at Monmouth Park.

Cloudy Dawn ($11), ridden by Bill Hartack, edged favored Ruritania by half a length to take the $88,875 Dwyer Handicap at Aqueduct.