1926: David Zaslavsky x Mikhail Botvinnik

The above photograph (Moscow, 1925) comes from page 27 of Shakhmatnaya pravda by S. Tartakower (Leningrad, 1926).

(in  www.chesshistory.com )
 

[Event "Leningrad ch-city"]
[Site "Leningrad ch-city"]
[Date "1926.??.??"]
[Result "0-1"]
[White "David Zaslavsky"]
[Black "Mikhail Botvinnik"]
[ECO "D52"]

1.d4 Nf6 2.Nf3 e6 3.c4 d5 4.Nc3 Nbd7 5.Bg5 c6 6.e3 Qa5 7.Nd2
Bb4 8.Qc2 O-O 9.Nb3 Bxc3+ 10.bxc3 Qa4 11.cxd5 cxd5 12.Bd3 b6
13.Qe2 Ne4 14.Be7 Nxc3 15.Qc2 Re8 16.Bxh7+ Kh8 17.Bd3 Rxe7
18.Qxc3 Ba6 19.O-O Rc8 20.Qd2 Bxd3 21.Qxd3 Nf6 22.f3 Rec7
23.Rf2 Rc3 24.Qf1 Rxe3 25.Re1 Rxe1 26.Qxe1 Qc4 27.Rd2 a5
28.Qh4+ Kg8 29.Rd1 a4 30.Rc1 axb3 31.Rxc4 dxc4 0-1

1926: Geza Maroczy vs. Oscar Tenner

Geza Maroczy

[Event "New York"]
[Site "New York"]
[Date "1926.??.??"]
[EventDate "?"]
[Round "?"]
[Result "0-1"]
[White "Geza Maroczy"]
[Black "Oscar Tenner"]
[ECO "D38"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Bg5 Nbd7 6.cxd5 exd5
7.e3 c5 8.Bd3 c4 9.Bc2 Qa5 10.O-O Bxc3 11.bxc3 Qxc3 12.Qb1 O-O
13.e4 dxe4 14.Bd2 Qa3 15.Bb4 Qa6 16.Bxf8 exf3 17.Be7 Qe6
18.Bxf6 Qg4 19.g3 Qh3 0-1