Puzzle 489529:
Puzzle 489529:
Viktor Litvinov (2470) - Aarne Hermlin (2360)
13th Soviet TCh final B Riga URS (2), 1975 Litvinov - Hermlin, Riga 1975
13th Soviet TCh final B Riga URS (2), 1975 Litvinov - Hermlin, Riga 1975