| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 651. Serper vs S Siyuan |
| ½-½ | 50 | 2005 | HB Global Chess Challenge | D35 Queen's Gambit Declined |
| 652. M Ginsburg vs Serper |
 | ½-½ | 31 | 2005 | HB Global Chess Challenge | B41 Sicilian, Kan |
| 653. Serper vs A Del Mundo |
| ½-½ | 60 | 2005 | HB Global Chess Challenge | D12 Queen's Gambit Declined Slav |
| 654. M Ardaman vs Serper |
| 1-0 | 53 | 2005 | HB Global Chess Challenge | A01 Nimzovich-Larsen Attack |
| 655. Z Quan vs Serper |
| ½-½ | 52 | 2005 | HB Global Chess Challenge | D38 Queen's Gambit Declined, Ragozin Variation |
| 656. Serper vs X Cheng |
| 1-0 | 34 | 2005 | 5th Annual Emory Castle Grand Prix | D30 Queen's Gambit Declined |
| 657. N Harris vs Serper |
| 0-1 | 40 | 2005 | 5th Annual Emory Castle Grand Prix | B42 Sicilian, Kan |
| 658. Serper vs P Bereolos |
| 1-0 | 34 | 2005 | 5th Annual Emory Castle Grand Prix | E70 King's Indian |
| 659. J Becerra Rivero vs Serper |
| 1-0 | 86 | 2005 | 5th Annual Emory Castle Grand Prix | B43 Sicilian, Kan, 5.Nc3 |
| 660. J Stopa vs Serper |
| 1-0 | 49 | 2006 | USCL Wildcard | D38 Queen's Gambit Declined, Ragozin Variation |
| 661. J Friedel vs Serper |
| 1-0 | 75 | 2006 | USA tt | B43 Sicilian, Kan, 5.Nc3 |
| 662. L Ross vs Serper |
| 0-1 | 30 | 2006 | United States Championship | B43 Sicilian, Kan, 5.Nc3 |
| 663. Serper vs Onischuk |
| 0-1 | 49 | 2006 | United States Championship | E48 Nimzo-Indian, 4.e3 O-O 5.Bd3 d5 |
| 664. I Schneider vs Serper |
| ½-½ | 56 | 2006 | United States Championship | B42 Sicilian, Kan |
| 665. Serper vs A Stripunsky |
| 0-1 | 46 | 2006 | United States Championship | A26 English |
| 666. Lenderman vs Serper |
| ½-½ | 41 | 2006 | United States Championship | B42 Sicilian, Kan |
| 667. Serper vs K Baginskaite |
| 1-0 | 39 | 2006 | United States Championship | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 668. E Tate vs Serper |
| 0-1 | 41 | 2006 | United States Championship | A00 Uncommon Opening |
| 669. Serper vs B Finegold |
| ½-½ | 80 | 2006 | United States Championship | E70 King's Indian |
| 670. J Friedel vs Serper |
| ½-½ | 41 | 2006 | United States Championship | B43 Sicilian, Kan, 5.Nc3 |
| 671. R Burnett vs Serper |
| 0-1 | 49 | 2006 | US Chess League | B63 Sicilian, Richter-Rauzer Attack |
| 672. Serper vs M Panchanathan |
| ½-½ | 53 | 2006 | US Chess League | A13 English |
| 673. Serper vs R Burnett |
| 1-0 | 51 | 2006 | US Chess League | A04 Reti Opening |
| 674. Serper vs V Akobian |
| 1-0 | 43 | 2006 | Bellevue Slugfest op | D12 Queen's Gambit Declined Slav |
| 675. J Friedel vs Serper |
| 1-0 | 29 | 2006 | USCL Semi-Final | B43 Sicilian, Kan, 5.Nc3 |
Kibitzing
