(W8 L2 D5); In 1939, at first board in 8th Chess Olympiad in Buenos Aires (W1 L5 D4). He was one of the original signatories in the formation of FIDE at Paris 1924 (1st unofficial Chess Olympiad). He also wrote a four volume series on chess titled "Tratado General de Ajedrez" (General Treatise on Chess), first published in 1940. The opening line 1. d4 d5 2. c4 Bf5 3. Qb3 e5 is called the Grau gambit. References 1900 births 1944 deaths People from Buenos Aires Argentine chess players Argentine people of German descent Chess Olympiad competitors 20th-century chess players