[Event "South American zonal play-off"]
[Site "Rio de Janeiro BRA"]
[Date "1964.02.??"]
[Round "1"]
[White "Quinones Carillo, Oscar"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1964.02.??"]
[PlyCount "0"]

1/2-1/2

[Event "South American zonal play-off"]
[Site "Rio de Janeiro BRA"]
[Date "1964.02.??"]
[Round "2"]
[White "Athayde, Mauro de"]
[Black "Quinones Carillo, Oscar"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1964.02.??"]
[PlyCount "0"]

1/2-1/2

[Event "South American zonal play-off"]
[Site "Rio de Janeiro BRA"]
[Date "1964.02.??"]
[Round "3"]
[White "Schweber, Samuel"]
[Black "Athayde, Mauro de"]
[Result "1-0"]
[ECO "E11"]
[EventDate "1964.02.??"]
[PlyCount "99"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Nbd2 d5 5.e3 O-O 6.a3 Be7 7.Bd3 Nbd7 8.b3 b6
9.O-O Bb7 10.Bb2 Ne4 11.Rc1 Nxd2 12.Nxd2 Bd6 13.f4 f5 14.Qc2 c6 15.b4 Be7 
16.cxd5 cxd5 17.Nf3 Bd6 18.Ne5 Nxe5 19.dxe5 Rc8 20.Qxc8 Bxc8 21.exd6 Qxd6 
22.Be5 Qd8 23.Rc7 Rf7 24.Rfc1 Rxc7 25.Rxc7 Bd7 26.Rxa7 g5 27.Rb7 gxf4 28.
Rb8 Bc8 29.Ba6 Qh4 30.Rxc8+ Kf7 31.Rc7+ Kf8 32.Bxf4 Qe1+ 33.Bf1 e5 34.Bh6+
Ke8 35.Rc2 Kf7 36.Bg5 Kg6 37.h4 f4 38.exf4 e4 39.Re2 Qb1 40.f5+ Kxf5 41.
Be3 Ke6 42.Bxb6 Qa1 43.b5 Qxa3 44.Bf2 Qb4 45.b6 Ke5 ( 45...Kf5 46.g3 d4 
47.Bh3+ Ke5 48.Bg2 e3 49.b7 Kd6 50.Rxe3 ) 1-0

[Event "South American zonal play-off"]
[Site "Rio de Janeiro BRA"]
[Date "1964.02.??"]
[Round "4"]
[White "Schweber, Samuel"]
[Black "Quinones Carillo, Oscar"]
[Result "0-1"]
[ECO "D19"]
[EventDate "1964.02.??"]
[PlyCount "84"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O O-O
9.Qe2 Nbd7 10.e4 Bg6 11.e5 Nd5 12.Ne4 N7b6 13.Bb3 a5 14.Bg5 Be7 15.Bd2 Nb4
16.Rac1 N6d5 17.Rfd1 h6 18.Ne1 Qb6 19.Nc5 Rfd8 20.Qc4 Bh5 21.f3 Bg6 22.g3 
Qa7 23.h4 b6 24.Ne4 b5 25.Qe2 Qxd4+ 26.Nf2 Qxb2 27.h5 Bh7 28.Bxd5 Rxd5 29.
axb5 cxb5 30.Qe3 Qxe5 31.Qxe5 Rxe5 32.Rc7 Bd6 33.Rd7 Rd5 34.Kg2 Bf8 35.Rb7
Nc2 36.Kf1 b4 37.Ke2 Nd4+ 38.Kf1 Nb3 39.Ke2 Nxd2 40.Rxd2 Rxd2+ 41.Kxd2 a4 
42.Ned3 a3 0-1

[Event "South American zonal play-off"]
[Site "Rio de Janeiro BRA"]
[Date "1964.02.??"]
[Round "5"]
[White "Quinones Carillo, Oscar"]
[Black "Athayde, Mauro de"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1964.02.??"]
[PlyCount "0"]

1-0

[Event "South American zonal play-off"]
[Site "Rio de Janeiro BRA"]
[Date "1964.02.??"]
[Round "6"]
[White "Athayde, Mauro de"]
[Black "Schweber, Samuel"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1964.02.??"]
[PlyCount "0"]

1/2-1/2

