Chicago Black Hawks --General Manager/Coach Bob Pulford announced he will remain as coach, but will upgrade the status of assistant Roger Neilson to co-coach.

Detroit Red Wings -- Signed free agents Adam Oates, who led Rensselaer Poly to the NCAA championship this year, and Chris Cichocki to multiyear contracts.

Buffalo Sabres -- Signed LW Mikael Andersson, 19, of Sweden, their first-round pick (18th overall) in the 1984 draft. Terms not announced. He attended the Sabres' training camp last fall, returned to play with the Vastra Frolunda team in Sweden, where he had 16 goals and 11 assists in 32 games. BASEBALL

Texas Rangers -- Signed C Dan Maynard of University of Virginia (.320, 46 RBI this season) as a free agent, assigned him to Sarasota Rangers of the Gulf Coast League. BOXING

International Boxing Federation -- In Pusan, South Korea, Kim Chie-Won (14-0-2) defended his junior featherweight title by stopping Bobby Berna (26-4-2) in the fourth round of a scheduled 15-round bout. SOCCER

Britain's High Court rejected an appeal by four English soccer clubs against bans on international competition imposed in reprisal for last month's riot in a Brussels stadium where 38 people were killed. TABLE TENNIS

Sean O'Neill of Vienna, Va., came from behind to beat Quang Bui of Bellvue, Wash., 21-23, 21-18, 21-12, in the final of the event for men with ratings under 2,500 at the U.S. Open table tennis championships in Miami Beach, Fla. LOCALLY

The Pittsburgh Pirates will hold a tryout camp and clinic for aspiring professional baseball players between the ages of 16 and 22 on Sunday from 10 a.m. and 2 p.m. at Prince William County Stadium in Woodbridge. Players should arrive in uniform. American Legion players will need written permission to try out.