WCC Editing Project:
This game was not played in Riga.
It was played in the <USSR Republics Junior Team Championship 1954>, held 9-23 August in Leningrad.
Tal played 1st board for Latvia, scoring 7/9. Latvia finished 3d, behind RSFSR and Moscow, ahead of Leningrad, Ukraine, Azerbaijan, Georgia, Lithuania, Armenia and Estonia.
Moves 21-41 of this game are given in Mikhail Tal, "The Life and Games of Mikhail Tal" (Cadogan 1997), p.30.
Tal labels the game "USSR Youth Team Ch, Leningrad."
The tournament can be found here at <Rusbase> http://al20102007.narod.ru/ch_urs/1...
Here is the entire game score downloaded from that <Rusbase> page, which also lists the site as <Leningrad>:
[Event "Ch URS (team) (juniors)"]
[Site "Leningrad (Russia)"]
[White "Tal Mikhail (LAT)"]
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 Ne8
8.Qd2 f5 9.O-O-O f4 10.Bf2 Nd7 11.Nge2 Nb6 12.Qd3 g5 13.Kb1 Bd7
14.Nc1 c5 15.dxc6 bxc6 16.c5 Nc8 17.cxd6 Nexd6 18.Bc5 Rf6 19.Be2
Qc7 20.Nb3 Be8 21.Nd5 cxd5 22.Qxd5+ Nf7 23.Qxa8 Bc6 24.Bb6 axb6
25.Rc1 Bxa8 26.Rxc7 Rc6 27.Rc1 Rxc7 28.Rxc7 Ncd6 29.Nd2 Bf8 30.Bc4
b5 31.Be6 Kg7 32.a4 Kf6 33.Bxf7 Nxf7 34.axb5 Bb4 35.Nc4 g4 36.Ra7
gxf3 37.gxf3 Bxe4+ 38.fxe4 Ng5 39.b6 Bc5 40.Ra6 Ne6 41.b7 1-0
I have submitted a correction slip.