[Event "Rotterdam chess tournament"]
[Site "Rotterdam"]
[Date "1920.03.??"]
[Round "?"]
[White "Factor, Samuel"]
[Black "Rubinstein, Akiba"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1920.03.06"]
[PlyCount "0"]

0-1

[Event "Rotterdam chess tournament"]
[Site "Rotterdam"]
[Date "1920.03.??"]
[Round "?"]
[White "Speijer, Abraham"]
[Black "Rubinstein, Akiba"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1920.03.06"]
[PlyCount "0"]

1/2-1/2

[Event "Rotterdam chess tournament"]
[Site "Rotterdam"]
[Date "1920.03.??"]
[Round "?"]
[White "Van Gelder, Gerrit"]
[Black "Rubinstein, Akiba"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1920.03.06"]
[PlyCount "12"]
[FEN "5rk1/3r1qp1/p3R3/3n2QN/8/2p4P/P5P1/4R1K1 w - - 0 1"]

1.Rg6 Nf4 2.Nf6+ ( 2.Rxg7+ Qxg7 3.Nxg7 Nxh3+ 4.gxh3 Rxg7 5.Qxg7+ Kxg7 6.
Kg2 $10 ) 2...Qxf6 3.Rxf6 Rxf6 4.Qc5 Rd2 5.Qxc3 Ne2+ 6.Rxe2 Rxe2 7.Qc4+ 
Ree6 $10 1/2-1/2

[Event "Rotterdam chess tournament"]
[Site "Rotterdam"]
[Date "1920.03.??"]
[Round "?"]
[White "Speijer, Abraham"]
[Black "Factor, Samuel"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1920.03.06"]
[PlyCount "0"]

1/2-1/2

[Event "Rotterdam chess tournament"]
[Site "Rotterdam"]
[Date "1920.03.??"]
[Round "?"]
[White "Van Gelder, Gerrit"]
[Black "Factor, Samuel"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1920.03.06"]
[PlyCount "0"]

0-1

[Event "Rotterdam chess tournament"]
[Site "Rotterdam"]
[Date "1920.03.??"]
[Round "?"]
[White "Van Gelder, Gerrit"]
[Black "Speijer, Abraham"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1920.03.06"]
[PlyCount "0"]

1/2-1/2

