[Event "Sarajevo-04"]
[Site "Sarajevo"]
[Date "1961.04.04"]
[Round "9"]
[White "Pirc, Vasja"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. b3 b6 7. c4 Bb7 8. Bb2 Nbd7 9. Nc3 c5 10. dxc5 Nxc5 11. cxd5 1/2-1/2