| page 1 of 2; games 1-25 of 26 |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. P M Nielsen vs S Hamann |
| 0-1 | 40 |
1960 |
Nimzowitsch mem | B40 Sicilian |
| 2. W Pietzsch vs S Hamann |
| ½-½ | 37 |
1960 |
Nimzowitsch mem | B42 Sicilian, Kan |
| 3. O M Hindle vs S Hamann |
| 1-0 | 50 |
1962 |
Hastings-B | B43 Sicilian, Kan, 5.Nc3 |
| 4. K Dahl vs S Hamann |
| 0-1 | 42 |
1962 |
Hastings-B | B28 Sicilian, O'Kelly Variation |
| 5. D Baretic vs S Hamann |
| 0-1 | 63 |
1962 |
Hastings-B | B43 Sicilian, Kan, 5.Nc3 |
| 6. Ivkov vs S Hamann |
| ½-½ | 31 |
1963 |
Halle | B45 Sicilian, Taimanov |
| 7. Robatsch vs S Hamann |
| 1-0 | 28 |
1963 |
GER | B43 Sicilian, Kan, 5.Nc3 |
| 8. O Kinnmark vs S Hamann |
| 0-1 | 36 |
1963 |
Halle | B28 Sicilian, O'Kelly Variation |
| 9. Kavalek vs S Hamann |
| 1-0 | 34 |
1963 |
Halle | B40 Sicilian |
| 10. Suetin vs S Hamann |
| ½-½ | 32 |
1965 |
Copenhagen | B43 Sicilian, Kan, 5.Nc3 |
| 11. Lutikov vs S Hamann |
| 1-0 | 52 |
1966 |
Kislovodsk | B43 Sicilian, Kan, 5.Nc3 |
| 12. Tal vs S Hamann |
 | 1-0 | 17 |
1966 |
Kislovodsk 2/338 | B43 Sicilian, Kan, 5.Nc3 |
| 13. Schmid vs S Hamann |
| 0-1 | 40 |
1966 |
Venice | B43 Sicilian, Kan, 5.Nc3 |
| 14. Matulovic vs S Hamann |
| 1-0 | 19 |
1966 |
Kislovodsk | B42 Sicilian, Kan |
| 15. S Kagan vs S Hamann |
| 1-0 | 38 |
1968 |
Netanya | B88 Sicilian, Fischer-Sozin Attack |
| 16. M Czerniak vs S Hamann |
| 1-0 | 27 |
1968 |
Netanya | B20 Sicilian |
| 17. Fischer vs S Hamann |
 | 1-0 | 32 |
1968 |
Nathania | B88 Sicilian, Fischer-Sozin Attack |
| 18. Myagmarsuren vs S Hamann |
| 1-0 | 41 |
1968 |
Lugano olm prelim2 | B53 Sicilian |
| 19. Z Domnitz vs S Hamann |
| 0-1 | 23 |
1968 |
Netanya | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 20. Adorjan vs S Hamann |
| 1-0 | 28 |
1970 |
Amsterdam (Netherlands) | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 21. M Moe vs S Hamann |
| ½-½ | 40 |
1973 |
Grenaa | B93 Sicilian, Najdorf, 6.f4 |
| 22. Timman vs S Hamann |
| 0-1 | 29 |
1974 |
? | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 23. Ljubojevic vs S Hamann |
| ½-½ | 38 |
1975 |
Amsterdam | B89 Sicilian |
| 24. Jansa vs S Hamann |
| 1-0 | 72 |
1975 |
Amsterdam IBM | B92 Sicilian, Najdorf, Opocensky Variation |
| 25. Timman vs S Hamann |
 | 1-0 | 29 |
1975 |
11, Amsterdam IBM | B99 Sicilian, Najdorf, 7...Be7 Main line |
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| page 1 of 2; games 1-25 of 26 |
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Secrets of Opening Surprises
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