[Event "Mar del Plata (Argentina)"] [Site "Mar del Plata (Argentina)"] [Round "0"] [White "Julio Bolbochan"] [Black "Carlos Hugo Maderna"] [Result "1-0"] [ECO "E00"] [Opening "Queen's Pawn: Neo-Indian"] 1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.Nf3 c5 5.cxd5 cxd4 6.Qxd4 exd5 7.e4 dxe4 8.Qxd8+ Kxd8 9.Ng5 Be6 10.Nxe6+ fxe6 11.Bc4 Nbd7 12.Bxe6 Bb4 13.Ke2 Re8 14.Bxd7 Kxd7 15.Rd1+ Ke6 16.Nb5 Rac8 17.Be3 a6 18.Nd4+ Kf7 19.Rac1 g6 20.Nb3 Rxc1 21.Rxc1 Bd6 22.h3 Be5 23.Nc5 Re7 24.b3 Bd6 25.Na4 Nd5 26.Nb6 Nxb6 27.Bxb6 Bf4 28.Rc4 h5 29.Be3 Bb8 30.Bc5 Re5 31.b4 Ke6 32.Ke3 Kf5 33.Rd4 Re8 34.Rd5+ Kf6 35.Bd4+ Kf7 36.Rd7+ Re7 37.Rxe7+ Kxe7 38.Kxe4 Ke6 39.g4 hxg4 40.hxg4 Bd6 41.Bc5 Be5 42.Bd4 Bd6 43.Bc3 Be7 44.f4 Bf8 45.f5+ gxf5+ 46.gxf5+ Kd6 47.b5 Kc5 48.bxa6 bxa6 49.f6 Kc6 50.Kf5 Kd7 51.Kg6 Be7 52.f7 Ke6 53.Kg7 Bd6 54.a4 Ba3 55.Kg8 Bd6 56.Bg7 Bc5 57.Bf8 Be3 58.Bb4 Bh6 59.Bc3 {#r} 1-0