[Event "Interzonal-03"]
[Site "Gothenburg"]
[Date "1955.08.20"]
[Round "4"]
[White "Stahlberg, Gideon"]
[Black "Medina Garcia, Antonio Angel"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 h6 7. Bh4 b6 8. Bd3 Bb7 9. O-O Nbd7 10. Qe2 a6 11. Rfd1 Ne4 12. Bg3 Nxg3 13. hxg3 c5 14. cxd5 exd5 15. dxc5 bxc5 16. Bc2 Nb6 17. Rac1 Qe8 18. Ne5 Bd6 19. Nd3 Rd8 20. Nf4 Be5 21. Bb3 c4 22. Bc2 Qe7 23. Qg4 Rd6 24. Nfe2 g6 25. Nd4 Bg7 26. Qh4 Qxh4 27. gxh4 h5 28. Rd2 Rfd8 29. Rcd1 Bc8 30. Na4 Bg4 31. Rb1 Nxa4 32. Bxa4 Rb8 33. Rc1 Bf6 1/2-1/2