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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Yoos vs Igor Ivanov |
| ½-½ | 34 |
1991 |
Chicago National op | B44 Sicilian |
| 2. J Yoos vs R Kiviaho |
| 1-0 | 30 |
2001 |
Canadian Closed | B75 Sicilian, Dragon, Yugoslav Attack |
| 3. J Yoos vs Tristram McPherson |
| 1-0 | 32 |
2001 |
26th Keres Mem | B44 Sicilian |
| 4. J Yoos vs E Lawson |
| 1-0 | 56 |
2001 |
Canadian Closed | B32 Sicilian |
| 5. J Yoos vs I Lipnowski |
| 0-1 | 74 |
2001 |
Canadian Closed | B42 Sicilian, Kan |
| 6. J Yoos vs D Haessel |
| 0-1 | 24 |
2001 |
Canadian Closed | B95 Sicilian, Najdorf, 6...e6 |
| 7. J Yoos vs G Kostadinov |
| 1-0 | 47 |
2001 |
26th Keres Mem | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 8. J Yoos vs D Lavin |
| 1-0 | 34 |
2004 |
77th Canadian Championship | B60 Sicilian, Richter-Rauzer |
| 9. J Yoos vs J Chi |
| 1-0 | 45 |
2005 |
Canadian Open | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 10. J Yoos vs E Hansen |
| 1-0 | 61 |
2009 |
Canadian Open | B42 Sicilian, Kan |
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Secrets of Opening Surprises
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