A roundup of the week Aug. 12-18

BICYCLING—ANTON TKAC of Czechoslovakia won the men's amateur sprint event at the world championships in Montreal. Russian TAMARA PILTSIKOVU outpedaled American Sue Novarra to win the women's amateur sprint final and HANS LUTZ of West Germany took the men's amateur individual pursuit competition.

BOATING—Intrepid and Courageous, the leading contenders to defend the America's Cup, split a pair of races in the final trials on Rhode Island Sound off Newport (page 62).

Henry Sprague III of Newport Beach, Calif. became the first American to win the Finn Gold Cup, sweeping the world championship series off Long Beach, Calif.

DIVING—KEITH RUSSELL of Mesa, Ariz. became the only double winner at the AAU national outdoor championships in Decatur, Ala. by taking the 10-meter platform event with 546.84 points and the three-meter springboard over defending champion Lieut. Phil Boggs (625.05-571.20). TIM MOORE of Columbus, Ohio won the one-meter springboard with a score of 555.36. CYNTHIA POTTER of Houston compiled 491.34 points to win the women's one-meter, but was edged out 522.99 to 522.69 in the three-meter by CHRISTINE LOOCK of Fort Worth, Texas. TERRI YORK of Vancouver, B.C. took the 10-meter platform with 362.19 points.

PRO FOOTBALL—NFL: All players were welcomed to training camps last week—with a few exceptions. Houston Coach Sid Gillman turned away returning strikers at the gate, a decision he may have regretted after Dallas, with Roger Staubach back in action, beat the Oilers 19-13. Pittsburgh overran Chicago 50-21 and Oakland turned back Detroit 41-10. Cleveland slipped by San Francisco 21-20 while Cincinnati topped Atlanta in overtime 13-7. The Giants defeated the Jets 21-13 in their annual Yale Bowl face-off. Los Angeles pummeled Kansas City 58-16, Green Bay won 20-10 over Chicago and Baltimore overpowered Cleveland 37-3. In other preseason action, Denver stopped the 49ers 10-3, Buffalo nipped Washington 16-15 and New England beat the Saints 7-3; St. Louis defeated San Diego 48-14, the Bills took the Chiefs 35-21 and the Steelers dropped the Eagles 33-30 in overtime.

WFL: Chicago Running Back Cyril Pinder rushed for 151 yards on 18 carries and two touchdowns against Philadelphia as the Fire alarmed the Bell 32-29 for its fifth win of the season. Birmingham made it six straight, topping the Hawaiians 39-0, while Memphis handed Detroit its sixth loss 37-7. New York calmed the winless Portland Storm 38-16, Florida defeated Jacksonville 33-26 and the Southern California Sun burned the Houston Texans 18-7.

GOLF—DAVE STOCKTON fired a two-under-par 69 to finish at 268 for 72 holes and win the $40,000 first-place share in the $200,000 Sammy Davis Jr.-Greater Hartford Open at the Wethersfield Country Club. Ray Floyd was second, four strokes behind.

Cynthia Hill of Colorado Springs unseated defending champion Carol Semple 5 and 4 in the final of the U.S. Women's Amateur championship at the Broadmoor Golf Club in Seattle (page 48).

Shooting a final-round 74, JOANNE CARNER took the $5,000 first prize in the $35,000 LPGA St. Paul Open at the Keller Golf Course. She had a 54-hole total of 212, seven under par and four strokes ahead of second-place Laura Baugh.

HARNESS RACING—BOYDEN HANOVER, Billy Herman driving, paced the mile at 2:00[2/5] at Yonkers to score a half-length victory over Bret's Star in the final of the $121,822 Cane Pace, first leg of the Triple Crown for 3-year-old pacers (page 61).

HORSE RACING—HOLDING PATTERN ($27.40), Mike Miceli up, held on in the stretch to win the 1-mile, $116,100 Travers Stakes in 2:05[1/5] at Saratoga. Little Current finished second and Chris Evert was third page 18).

Infuriator ($5.80), ridden by Braulio Baeza, won the $100,000 Hobson Stakes over Ecole Etage. The 4-year-old ran the 1‚⅛ miles in 1:51 over a sloppy track at Philadelphia's Liberty Bell.

MOTOR SPORTS—Averaging 134 mph in a Brabham Formula I, Argentine CARLOS REUTEMANN led from the start to win the 198-mile Austrian Grand Prix at Zeltweg by 45 seconds over New Zealand's Denis Hulme in a McLaren.

ROWING—SEAN DREA of Ireland scored an upset victory in the elite singles at the national championships on Orchard Beach Lagoon in Pelham Bay Park, N.Y. Jim Dietz, the defender, was fourth.

SOAP BOX DERBY—CURTIS YARBOROUGH, 11, of Elk Grove, Calif., won the All-American Soap Box Derby in Akron, Ohio. His brother Bret had been named the 1973 winner after James Gronen was disqualified for cheating.

SOCCER—A 3-1 victory over Dallas in the semifinal round moved the Miami Toros into the finals of the NASL championship playoffs against the Los Angeles Aztecs, who blanked Boston 2-0. A disappointing Los Angeles crowd of 5,400 saw its team score two early goals against the Minutemen, one by Renato Costa and the second by rookie standout Doug McMillan. Boston could not find the groove that earlier had helped it defeat its first-round opponent Baltimore 1-0. That win came on a Josek Jelinek shot from 25 yards out; only spectacular saves by Baltimore Goalie Lincoln Phillips prevented the Minutemen from breaking the game wide open. In other first-round play Dallas shut out San Jose 3-0 on two goals by Mike Renshaw and one by Roy Turner. The Tornado's only score in Miami came on a penalty kick by Ilija Mitic. Toro Striker Warren Archibald had one unassisted goal and teammate Derek Watts contributed two more.

SOFTBALL—The RAYBESTOS BRAKETTES beat the defending Japanese team 3-0 in Stratford, Conn. to give the U.S. its first women's world title (page 54).

SWIMMING—ULRIKE TAUBER of East Germany broke the world record of 2:20.51 for the women's 200-meter individual medley with a 2:18.97 clocking at the European championships in Vienna.

TENNIS—CHRIS EVERT pocketed $6,000 for her 6-0, 6-3 victory over Julie Heldman in the women's singles final of the $130,000 Canadian Open in Toronto. In the men's final GUILLERMO VILAS of Argentina picked up $16,000 for defeating Manuel Orantes 6-4, 6-2, 6-3.

MILEPOSTS—CLEARED: BEN JIPCHO, world-record holder in the 3,000 meter steeplechase, of charges that he had accepted money while running as an amateur. An investigation by the Kenya Amateur Athletics Association had been conducted at the request of the International Olympic Committee.

FIRED: BUD ASHER, head coach of the WFL Jacksonville Sharks who are in last place in the Eastern Division with a 2-4 record. Former University of Miami Coach CHARLIE TATE, Asher's assistant, replaces him.

NAMED: JOE MULLANEY, 48, to coach the ABA Memphis Sounds. In order to take the job Mullaney was released from his contract with the Utah Stars, whom he coached to the Western Division title last season.

NAMED: As head coach of the ABA Spirits of St. Louis, BOB MacKINNON, 46, who was assistant coach of the NBA Buffalo Braves for the last two years.

SELECTED: As NASL Most Valuable Player, Baltimore Comet Striker PETER SILVESTER, an Englishman who finished second in the league in scoring with 14 goals and four assists; as Coach of the Year, JOHN YOUNG, who led the Miami Toros to the Eastern Division championship with a 9-5-6 record; and as Rookie of the Year, Striker DOUG McMILLAN, a member of the U.S. national team who finished the season with 10 goals and 10 assists for the Los Angeles Aztecs.