Chess game Petrosian, Tigran V vs Keres, Paul - 1955-00-00

[Event "?"] [Site "?"] [Date "1955.??.??"] [Round "?"] [White "Petrosian, Tigran V"] [Black "Keres, Paul"] [Result "1/2-1/2"] [ECO "E43"] [EventDate "1955.??.??"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Nf3 Bb7 6.Bd3 c5 7.O-O O-O 8.Na4 cxd4 9.exd4 Be7 10.Bf4 Ne4 11.Nc3 d5 12.cxd5 Nxc3 13.bxc3 Qxd5 14.Re1 Nc6 15. Rb1 Rfd8 16.Rb5 Qxa2 17.Re2 Qa3 18.Qb1 Qxc3 19.Rb3 Qa5 20.Rb5 Qc3 21.Rb3 Qa5 22.Rb5 1/2-1/2