Game |
| Result | Moves |
Year | Event/Locale | Opening |
251. C Guimard vs R Grau |
| 1-0 | 24 | 1939 | ARG-ch m | D04 Queen's Pawn Game |
252. R Grau vs C Guimard |
| ½-½ | 42 | 1939 | ARG-ch m | C14 French, Classical |
253. C Guimard vs R Grau |
| 1-0 | 58 | 1939 | ARG-ch m | D04 Queen's Pawn Game |
254. R Grau vs C Guimard |
| 1-0 | 46 | 1939 | ARG-ch m | B29 Sicilian, Nimzovich-Rubinstein |
255. R Grau vs B Moller |
| 1-0 | 110 | 1939 | Buenos Aires Olympiad qual-3 | D43 Queen's Gambit Declined Semi-Slav |
256. R Grau vs V Mikenas |
| 0-1 | 37 | 1939 | Buenos Aires Olympiad qual-3 | D83 Grunfeld, Grunfeld Gambit |
257. T van Scheltinga vs R Grau |
| ½-½ | 41 | 1939 | Buenos Aires Olympiad qual-3 | D56 Queen's Gambit Declined |
258. R Grau vs V Mikenas |
| 0-1 | 41 | 1939 | Buenos Aires Olympiad Final-A | E20 Nimzo-Indian |
259. R Grau vs Eliskases |
 | 0-1 | 38 | 1939 | Buenos Aires Olympiad Final-A | D57 Queen's Gambit Declined, Lasker Defense |
260. Petrov vs R Grau |
 | 1-0 | 36 | 1939 | Buenos Aires Olympiad Final-A | D02 Queen's Pawn Game |
261. R Grau vs J Enevoldsen |
| ½-½ | 30 | 1939 | Buenos Aires Olympiad Final-A | D97 Grunfeld, Russian |
262. Capablanca vs R Grau |
 | ½-½ | 49 | 1939 | Buenos Aires Olympiad Final-A | A25 English |
263. M Castillo vs R Grau |
| ½-½ | 45 | 1939 | Buenos Aires Olympiad Final-A | D30 Queen's Gambit Declined |
264. R Grau vs T van Scheltinga |
| 0-1 | 41 | 1939 | Buenos Aires Olympiad Final-A | C29 Vienna Gambit |
265. R Grau vs P Frydman |
| ½-½ | 41 | 1939 | Buenos Aires | D11 Queen's Gambit Declined Slav |
266. Graf-Stevenson vs R Grau |
| ½-½ | 42 | 1939 | Buenos Aires | D02 Queen's Pawn Game |
267. R Grau vs M Czerniak |
| ½-½ | 41 | 1939 | Buenos Aires | A56 Benoni Defense |
268. R Grau vs Najdorf |
 | 0-1 | 30 | 1939 | Buenos Aires | E67 King's Indian, Fianchetto |
269. Stahlberg vs R Grau |
| ½-½ | 66 | 1939 | Buenos Aires | D37 Queen's Gambit Declined |
270. R Grau vs L Palau |
| 1-0 | 71 | 1939 | Buenos Aires | D37 Queen's Gambit Declined |
271. Keres vs R Grau |
 | ½-½ | 63 | 1939 | Buenos Aires | D50 Queen's Gambit Declined |
272. R Grau vs J Gerschman |
| 1-0 | 31 | 1939 | Buenos Aires | D63 Queen's Gambit Declined, Orthodox Defense |
273. F Benko vs R Grau |
| 1-0 | 42 | 1939 | Buenos Aires | B13 Caro-Kann, Exchange |
274. R Grau vs C Guimard |
| ½-½ | 33 | 1939 | Buenos Aires | B05 Alekhine's Defense, Modern |
275. M Luckis vs R Grau |
| ½-½ | 34 | 1939 | Buenos Aires | D55 Queen's Gambit Declined |