Complex sentence: Truscott, Alan, "Strategy for Pairs Contest Different From Rubber Bridge Game", The New York Times, 16 August, 1976, pg.23, making him the youngest player ever to reach the final of an ACBL major team championship.
Split into simpler sentences: Truscott, Alan, "Strategy for Pairs Contest Different From Rubber Bridge Game", The New York Times, 16 August, 1976, pg.23. Thus he achieved the record as the youngest player ever to reach the final of an ACBL major team championship.