[Event "Sarajevo-11"]
[Site "Sarajevo"]
[Date "1968.04.03"]
[Round "12"]
[White "Pietzsch, Wolfgang"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. Be2 O-O 6. O-O c6 7. a4 a5 8. h3 Qc7 9. Be3 Na6 10. Qd2 Rd8 11. Rfd1 Nb4 12. Bf4 Qb6 13. Be3 1/2-1/2