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The fourth Mar del Plata chess tournament was held in the city of Mar del Plata, Argentina, in March 1941. The first three Mar del Plata international tournaments (1928, 1934, 1936) were regarded as the third, fourth, and sixth South American Chess Championship (Torneo Sudamericano), respectively. The first Torneio Sulamericano took place in Montevideo (Carrasco), Uruguay, in 1921/22.
After the 8th Chess Olympiad at Buenos Aires 1939, many participants had decided to stay in Argentina due to outbreak of World War II. The 1941 Mar del Plata tournament therefore included eleven refugees from Europe and two players affected by issues arising out of the British Mandate of Palestine.
The results and standings:
| # | Player | Native Country | Chosen Country | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | Total | Berger |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Gideon Ståhlberg | Sweden | Sweden | x | ½ | ½ | ½ | ½ | ½ | 1 | 1 | 1 | 1 | ½ | ½ | 1 | 1 | ½ | 1 | 1 | 1 | 13 | |
| 2 | Miguel Najdorf | Poland | Argentina | ½ | x | ½ | 1 | 1 | 1 | 1 | ½ | 1 | ½ | ½ | ½ | 1 | 1 | 0 | 1 | ½ | 1 | 12½ | |
| 3 | Erich Eliskases | Austria | Argentina | ½ | ½ | x | ½ | ½ | 1 | ½ | 1 | ½ | ½ | ½ | 1 | ½ | ½ | 1 | ½ | 1 | 1 | 11½ | |
| 4 | Ludwig Engels | Germany | Brazil | ½ | 0 | ½ | x | ½ | ½ | 1 | 1 | 1 | 0 | ½ | 1 | 1 | 1 | 1 | ½ | 0 | 1 | 11 | 87.75 |
| 5 | Paulino Frydman | Poland | Argentina | ½ | 0 | ½ | ½ | x | 0 | ½ | ½ | ½ | ½ | 1 | 1 | ½ | 1 | 1 | 1 | 1 | 1 | 11 | 80.50 |
| 6 | Moshe Czerniak | Poland/Palestine | Israel | ½ | 0 | 0 | ½ | 1 | x | ½ | 1 | 0 | ½ | 1 | ½ | 1 | 0 | 0 | 1 | 1 | 1 | 9½ | 73.25 |
| 7 | Movsas Feigins | Latvia | Argentina | 0 | 0 | ½ | 0 | ½ | ½ | x | 0 | 1 | ½ | 1 | 1 | 1 | 1 | 1 | ½ | 0 | 1 | 9½ | 70.25 |
| 8 | Carlos Guimard | Argentina | Argentina | 0 | ½ | 0 | 0 | ½ | 0 | 1 | x | 1 | 1 | 1 | ½ | ½ | ½ | 0 | 1 | 1 | 1 | 9½ | 69.75 |
| 9 | Julio Bolbochán | Argentina | Argentina | 0 | 0 | ½ | 0 | ½ | 1 | 0 | 0 | x | 1 | ½ | 1 | ½ | ½ | 1 | ½ | 1 | 1 | 9 | |
| 10 | Paul Michel | Germany | Argentina | 0 | ½ | ½ | 1 | ½ | ½ | ½ | 0 | 0 | x | ½ | 0 | ½ | ½ | ½ | ½ | 1 | 1 | 8 | 61.75 |
| 11 | Franciszek Sulik | Poland | Australia | ½ | ½ | ½ | ½ | 0 | 0 | 0 | 0 | ½ | ½ | x | 1 | 1 | ½ | 0 | ½ | 1 | 1 | 8 | 61.00 |
| 12 | Juan Vinuesa | Argentina | Argentina | ½ | ½ | 0 | 0 | 0 | ½ | 0 | ½ | 0 | 1 | 0 | x | ½ | 1 | 1 | 1 | 1 | ½ | 8 | 57.75 |
| 13 | Jacobo Bolbochán | Argentina | Argentina | 0 | 0 | ½ | 0 | ½ | 0 | 0 | ½ | ½ | ½ | 0 | ½ | x | ½ | 1 | 1 | 1 | 1 | 7½ | |
| 14 | Ilmar Raud | Estonia | Argentina | 0 | 0 | ½ | 0 | 0 | 1 | 0 | ½ | ½ | ½ | ½ | 0 | ½ | x | 1 | ½ | ½ | ½ | 6½ | |
| 15 | Juan Traian Iliesco | Romania | Argentina | ½ | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | ½ | 1 | 0 | 0 | 0 | x | ½ | 0 | ½ | 6 | |
| 16 | Markas Luckis | Lithuania | Argentina | 0 | 0 | ½ | ½ | 0 | 0 | ½ | 0 | ½ | ½ | ½ | 0 | 0 | ½ | ½ | x | 1 | ½ | 5½ | |
| 17 | Victor Winz | Germany/Palestine | Argentina | 0 | ½ | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | ½ | 1 | 0 | x | ½ | 4½ | |
| 18 | Sonja Graf | Germany | United States | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ½ | 0 | ½ | ½ | ½ | ½ | x | 2½ |