[Event "World U20-ch03 Final A"]
[Site "Antwerp"]
[Date "1955.08.06"]
[Round "8"]
[White "Keller, Dieter"]
[Black "Portisch, Lajos"]
[Result "0-1"]

1. e4 c5 2. Nf3 a6 3. c3 Nf6 4. Bd3 d6 5. O-O e5 6. Bc2 Nc6 7. Re1 Qc7 8. d3 g6 9. Nbd2 Bg7 10. Nc4 O-O 11. a4 Be6 12. Ne3 Rad8 13. Ng5 d5 14. exd5 Nxd5 15. Nxe6 fxe6 16. Qe2 Nf4 17. Qf1 b5 18. axb5 axb5 19. g3 Nd5 20. Qh3 Qf7 21. Qg2 b4 22. Ng4 bxc3 23. bxc3 Kh8 24. Ba4 h5 25. Ne3 Nce7 26. Nd1 e4 27. dxe4 Nxc3 28. Bb2 Nxa4 29. Rxa4 Bxb2 30. Nxb2 Rd2 31. Nd1 Nc6 32. Rf1 Ne5 33. Ra1 Nd3 34. Ne3 Qg7 35. Rad1 Rxd1 36. Nxd1 Qd4 37. Kh1 Rb8 38. g4 Rb1 39. Kg1 Nf4 40. Qf3 e5 41. gxh5 gxh5 42. Kh1 c4 43. Rg1 Qd3 44. Qxd3 cxd3 45. Ne3 Rb4 46. Nd5 Nxd5 47. exd5 Rd4 48. Kg2 Rg4+ 0-1