Sidorov, P.P.
Rating table notes
Tournament data
Leningrad 1925 (3) Leningrad Tournament 1.5 / 7 Leningrad 1925 (6) Leningrad - Category 1 Tournament 0 / 4 Moscow 1926 (1) 4th Moscow - Leningrad Team Match Sidorov, P.P. - Panchenko, N.A. 1 - 1 Leningrad 1926 (7) Leningrad Tournament 2 / 8