Begin Rating:
1100
Present Rating:
1134
Highest Rating ever:
1276 (2022-10-06, position: 83)
Lowest Rating ever:
981 (2022-03-14, position: 87)
Matches played (226):
| [date] | [player A] | [player B] | [gms A] | [gms B] | [pnt A] | [pnt B] |
| 2024-06-01 | Dave Halperin | Haamoon Daneshvar | 3 | 0 | 10 | -10 |
| 2024-06-01 | Dave Halperin | Ralph Mack | 3 | 2 | -11 | 11 |
| 2024-06-01 | Bill McGimpsey | Dave Halperin | 2 | 3 | -12 | 12 |
| 2024-06-01 | Steve Greenberg | Dave Halperin | 3 | 1 | 12 | -12 |
| 2024-04-18 | Dave Halperin | Haamoon Daneshvar | 3 | 0 | 11 | -11 |
| 2024-04-18 | Mutasem Nazif | Dave Halperin | 1 | 3 | -19 | 19 |
| 2024-04-18 | Glen Randmer | Dave Halperin | 3 | 0 | 18 | -18 |
| 2024-04-18 | Bill McGimpsey | Dave Halperin | 1 | 3 | -19 | 19 |
| 2024-04-04 | Rasik Mhatre | Dave Halperin | 3 | 1 | 4 | -4 |
| 2024-04-04 | Paul Ng | Dave Halperin | 1 | 3 | -24 | 24 |
| 2024-04-04 | Rob King | Dave Halperin | 3 | 1 | 9 | -9 |
| 2024-04-04 | Bill McGimpsey | Dave Halperin | 2 | 3 | -15 | 15 |
| 2024-03-07 | Dave Halperin | Bill McGimpsey | 0 | 3 | -26 | 26 |
| 2024-03-07 | Glen Randmer | Dave Halperin | 3 | 0 | 20 | -20 |
| 2024-03-07 | Dave Halperin | Dejan Novakovic | 0 | 3 | -27 | 27 |
| 2024-03-07 | Mutasem Nazif | Dave Halperin | 3 | 2 | 3 | -3 |
| 2024-02-22 | Gary Zharzhavsky | Dave Halperin | 2 | 3 | -15 | 15 |
| 2024-02-22 | Miguel Ballesteros | Dave Halperin | 3 | 2 | 1 | -1 |
| 2024-02-22 | Bill McGimpsey | Dave Halperin | 1 | 3 | -19 | 19 |
| 2024-02-22 | Mutasem Nazif | Dave Halperin | 3 | 0 | 23 | -23 |
| 2024-01-18 | Dave Halperin | Steve Greenberg | 3 | 0 | 17 | -17 |
| 2024-01-18 | Basel Jazbeh | Dave Halperin | 3 | 2 | 5 | -5 |
| 2024-01-18 | Dave Halperin | Rasik Mhatre | 3 | 0 | 24 | -24 |
| 2024-01-18 | Dave Halperin | Alin Litra | 2 | 3 | -10 | 10 |
| 2024-01-11 | Paolo Alimonti | Dave Halperin | 3 | 1 | 7 | -7 |
| 2024-01-11 | Bill McGimpsey | Dave Halperin | 2 | 3 | -11 | 11 |
| 2024-01-11 | Dave Halperin | Rasik Mhatre | 1 | 3 | -17 | 17 |
| 2024-01-11 | Mutasem Nazif | Dave Halperin | 3 | 2 | 1 | -1 |
| 2023-12-07 | Dave Halperin | Dejan Novakovic | 2 | 3 | -7 | 7 |
| 2023-12-07 | Paul Ng | Dave Halperin | 2 | 3 | -12 | 12 |
| 2023-12-07 | Brian Moran | Dave Halperin | 3 | 1 | -4 | 4 |
| 2023-12-07 | Glen Randmer | Dave Halperin | 3 | 0 | 15 | -15 |
| 2023-12-05 | Dave Halperin | Gopi Krishna | 3 | 0 | 24 | -24 |
| 2023-12-05 | Glen Randmer | Dave Halperin | 1 | 3 | -28 | 28 |
| 2023-11-30 | Gopi Krishna | Dave Halperin | 0 | 3 | -26 | 26 |
| 2023-11-30 | Dave Halperin | Larry Moy | 3 | 2 | -7 | 7 |
| 2023-11-30 | Mutasem Nazif | Dave Halperin | 3 | 2 | 1 | -1 |
| 2023-10-26 | Gary Zharzhavsky | Dave Halperin | 3 | 0 | 16 | -16 |
| 2023-10-26 | James Zou | Dave Halperin | 3 | 0 | 13 | -13 |
| 2023-10-26 | Edson Turbanos | Dave Halperin | 0 | 3 | -30 | 30 |
| 2023-10-26 | Paul Ng | Dave Halperin | 3 | 0 | 17 | -17 |
| 2023-10-19 | Dave Halperin | Mutasem Nazif | 0 | 3 | -32 | 32 |
| 2023-10-19 | Dave Halperin | Gopi Krishna | 2 | 3 | -17 | 17 |
| 2023-10-19 | Dave Halperin | Stephen Greenberg | 3 | 1 | 0 | 0 |
| 2023-10-19 | Dave Halperin | Biagio DeVivo | 3 | 0 | 9 | -9 |
| 2023-10-19 | Dave Halperin | Basel Jazbeh | 2 | 3 | -17 | 17 |
| 2023-10-19 | Dave Halperin | Dejan Novakovic | 2 | 3 | -12 | 12 |
| 2023-08-24 | Bill McGimpsey | Dave Halperin | 1 | 3 | -21 | 21 |
| 2023-08-24 | James Zou | Dave Halperin | 3 | 1 | 12 | -12 |
| 2023-08-24 | Dave Halperin | Mayank Khanna | 2 | 3 | -12 | 12 |
| 2023-08-24 | Dave Halperin | Mutasem Nazif | 3 | 1 | 0 | 0 |
| 2023-07-20 | Gary Zharzhavsky | Dave Halperin | 3 | 2 | 4 | -4 |
| 2023-07-20 | Adolfo Neto | Dave Halperin | 3 | 2 | -6 | 6 |
| 2023-07-20 | Bill Vogel | Dave Halperin | 3 | 2 | -6 | 6 |
| 2023-07-20 | Paul Ng | Dave Halperin | 3 | 0 | 13 | -13 |
| 2023-07-20 | Paul Ng | Dave Halperin | 3 | 0 | 13 | -13 |
| 2023-07-20 | Ian Gooding | Dave Halperin | 3 | 2 | -5 | 5 |
| 2023-06-22 | Dave Halperin | Sohel Klopfer | 3 | 1 | 4 | -4 |
| 2023-06-22 | Dave Halperin | Yuping Xing | 1 | 3 | -30 | 30 |
| 2023-06-22 | Dave Halperin | Bill Vogel | 3 | 0 | 22 | -22 |
| 2023-06-22 | Dave Halperin | Mutasem Nazif | 0 | 3 | -39 | 39 |
| 2023-06-15 | Dave Halperin | Dejan Novakovic | 3 | 2 | -5 | 5 |
| 2023-06-15 | Dave Halperin | Sohel Klopfer | 3 | 2 | -5 | 5 |
| 2023-06-15 | Dave Halperin | Stephen Greenberg | 3 | 1 | -2 | 2 |
| 2023-06-15 | Dave Halperin | Mutasem Nazif | 3 | 0 | 12 | -12 |
| 2023-06-01 | James Zou | Dave Halperin | 1 | 3 | -16 | 16 |
| 2023-06-01 | Paul Ng | Dave Halperin | 3 | 0 | 15 | -15 |
| 2023-06-01 | Adolfo Neto | Dave Halperin | 3 | 2 | -4 | 4 |
| 2023-06-01 | Glen Randmer | Dave Halperin | 3 | 2 | -3 | 3 |
| 2023-05-25 | Dave Halperin | Sohel Klopfer | 3 | 1 | 3 | -3 |
| 2023-05-25 | Peter McNamara | Dave Halperin | 3 | 2 | 1 | -1 |
| 2023-05-25 | Dave Halperin | Stephen Greenberg | 3 | 1 | 3 | -3 |
| 2023-05-25 | Dave Halperin | Dejan Novakovic | 3 | 1 | 6 | -6 |
| 2023-05-11 | James Zou | Dave Halperin | 1 | 3 | -18 | 18 |
| 2023-05-11 | Paul Ng | Dave Halperin | 0 | 3 | -38 | 38 |
| 2023-05-11 | Sam Yahel | Dave Halperin | 3 | 1 | 3 | -3 |
| 2023-05-11 | Ying Zhang | Dave Halperin | 3 | 1 | -2 | 2 |
| 2023-04-18 | Dave Halperin | Jeff Baker | 3 | 2 | -10 | 10 |
| 2023-04-18 | Gary Zharzhavsky | Dave Halperin | 1 | 3 | -19 | 19 |
| 2023-04-11 | Dave Halperin | Paul Chao | 3 | 2 | 3 | -3 |
| 2023-04-11 | Gary Zharzhavsky | Dave Halperin | 3 | 2 | 1 | -1 |
| 2023-04-04 | Dave Halperin | Paul Chao | 0 | 3 | -32 | 32 |
| 2023-04-04 | Peter McNamara | Dave Halperin | 3 | 2 | -2 | 2 |
| 2023-02-28 | Dave Halperin | Gary Zharzhavsky | 3 | 2 | 2 | -2 |
| 2023-02-28 | Upneet Shah | Dave Halperin | 3 | 0 | 16 | -16 |
| 2023-02-23 | Dave Halperin | Yuping Xing | 0 | 3 | -39 | 39 |
| 2023-02-23 | Dave Halperin | Dan Buzovi | 3 | 2 | -4 | 4 |
| 2023-02-23 | Dave Halperin | Dejan Novakovic | 3 | 0 | 17 | -17 |
| 2023-02-23 | Dave Halperin | Hans Zou | 3 | 0 | 5 | -5 |
| 2023-02-02 | James Zou | Dave Halperin | 0 | 3 | -35 | 35 |
| 2023-02-02 | Upneet Shah | Dave Halperin | 3 | 0 | 14 | -14 |
| 2023-02-02 | Gary Zharzhavsky | Dave Halperin | 0 | 3 | -25 | 25 |
| 2023-02-02 | Paul Ng | Dave Halperin | 1 | 3 | -20 | 20 |
| 2023-01-31 | Paul Ng | Dave Halperin | 3 | 0 | 22 | -22 |
| 2023-01-31 | Upneet Shah | Dave Halperin | 3 | 0 | 18 | -18 |
| 2023-01-26 | Dave Halperin | Peter McNamara | 2 | 3 | -9 | 9 |
| 2023-01-26 | Dave Halperin | Dejan Novakovic | 3 | 1 | 6 | -6 |
| 2023-01-26 | Upneet Shah | Dave Halperin | 3 | 0 | 23 | -23 |
| 2023-01-26 | Dave Halperin | Gary Zharzhavsky | 1 | 3 | -21 | 21 |
| 2023-01-12 | Dave Halperin | Dan Buzovi | 3 | 2 | -4 | 4 |
| 2023-01-12 | Dave Halperin | Stephen Greenberg | 3 | 2 | -6 | 6 |
| 2023-01-12 | James Zou | Dave Halperin | 2 | 3 | -11 | 11 |
| 2023-01-12 | Dave Halperin | Gary Zharzhavsky | 3 | 0 | 20 | -20 |
| 2022-12-15 | Paul Ng | Dave Halperin | 3 | 2 | 0 | 0 |
| 2022-12-15 | Parvathy Gopikrishna | Dave Halperin | 2 | 3 | -10 | 10 |
| 2022-12-15 | Dave Halperin | Gary Zharzhavsky | 2 | 3 | -12 | 12 |
| 2022-12-15 | James Zou | Dave Halperin | 2 | 3 | -8 | 8 |
| 2022-12-08 | Dave Halperin | Dejan Novakovic | 3 | 0 | 19 | -19 |
| 2022-12-08 | Parvathy Gopikrishna | Dave Halperin | 3 | 0 | 23 | -23 |
| 2022-12-08 | Dave Halperin | James Zou | 1 | 3 | -13 | 13 |
| 2022-12-08 | Paul Ng | Dave Halperin | 3 | 1 | 10 | -10 |
| 2022-12-01 | Dave Halperin | Stephen Greenberg | 1 | 3 | -23 | 23 |
| 2022-11-17 | Dave Halperin | Stephen Greenberg | 3 | 0 | 15 | -15 |
| 2022-11-17 | Paul Ng | Dave Halperin | 2 | 3 | -9 | 9 |
| 2022-11-17 | Dave Halperin | Dejan Novakovic | 3 | 2 | -6 | 6 |
| 2022-11-17 | Dave Halperin | Parvathy Gopikrishna | 3 | 0 | 25 | -25 |
| 2022-11-10 | Glen Randmer | Dave Halperin | 2 | 3 | -8 | 8 |
| 2022-11-10 | Olin Rupchin | Dave Halperin | 1 | 3 | -19 | 19 |
| 2022-11-10 | Dave Halperin | Gary Zharzhavsky | 0 | 3 | -26 | 26 |
| 2022-11-10 | Dave Halperin | Dan Buzovi | 3 | 2 | -4 | 4 |
| 2022-11-03 | Dave Halperin | Olin Rupchin | 1 | 3 | -14 | 14 |
| 2022-11-03 | Dave Halperin | Dan Buzovi | 1 | 3 | -25 | 25 |
| 2022-11-03 | Peter Xu | Dave Halperin | 3 | 0 | 24 | -24 |
| 2022-11-03 | Dave Halperin | Parvathy Gopikrishna | 3 | 1 | 10 | -10 |
| 2022-10-27 | Dave Halperin | Gary Zharzhavsky | 3 | 2 | 2 | -2 |
| 2022-10-27 | Parvathy Gopikrishna | Dave Halperin | 0 | 3 | -26 | 26 |
| 2022-10-27 | Peter Xu | Dave Halperin | 1 | 3 | -20 | 20 |
| 2022-10-27 | Olin Rupchin | Dave Halperin | 3 | 2 | 3 | -3 |
| 2022-10-06 | Dave Halperin | Upneet Shah | 0 | 3 | -30 | 30 |
| 2022-10-06 | James Zou | Dave Halperin | 3 | 1 | 12 | -12 |
| 2022-10-06 | Dave Halperin | Mutasem Nazif | 3 | 1 | 2 | -2 |
| 2022-10-06 | Dave Halperin | Paul Ng | 0 | 3 | -32 | 32 |
| 2022-09-29 | Dave Halperin | Matt Butterworth | 3 | 2 | -7 | 7 |
| 2022-09-29 | Dave Halperin | Paul Ng | 3 | 0 | 21 | -21 |
| 2022-09-29 | Dave Halperin | Peter McNamara | 3 | 0 | 13 | -13 |
| 2022-09-29 | Dave Halperin | Stephen Greenberg | 3 | 0 | 12 | -12 |
| 2022-09-22 | James Zou | Dave Halperin | 2 | 3 | -7 | 7 |
| 2022-09-22 | Dave Halperin | Mutasem Nazif | 2 | 3 | -9 | 9 |
| 2022-09-22 | Dave Halperin | Upneet Shah | 1 | 3 | -18 | 18 |
| 2022-09-22 | Dave Halperin | Paul Ng | 3 | 1 | 8 | -8 |
| 2022-09-15 | James Zou | Dave Halperin | 1 | 3 | -17 | 17 |
| 2022-09-15 | Upneet Shah | Dave Halperin | 0 | 3 | -30 | 30 |
| 2022-09-15 | Glen Randmer | Dave Halperin | 3 | 0 | 18 | -18 |
| 2022-09-15 | Will Shortz | Dave Halperin | 3 | 1 | 3 | -3 |
| 2022-09-08 | Dave Halperin | Dylan Gagler | 3 | 0 | 16 | -16 |
| 2022-09-08 | Dave Halperin | Gary Zharzhavsky | 3 | 1 | 5 | -5 |
| 2022-09-08 | Dave Halperin | Paul Ng | 2 | 3 | -7 | 7 |
| 2022-09-08 | Dave Halperin | Matt Butterworth | 3 | 1 | 7 | -7 |
| 2022-09-01 | James Zou | Dave Halperin | 3 | 2 | 3 | -3 |
| 2022-09-01 | Dave Halperin | Matt Butterworth | 3 | 2 | 4 | -4 |
| 2022-09-01 | Glen Randmer | Dave Halperin | 2 | 3 | -11 | 11 |
| 2022-08-04 | Dave Halperin | Paul Ng | 3 | 1 | 12 | -12 |
| 2022-08-04 | Upneet Shah | Dave Halperin | 3 | 1 | 10 | -10 |
| 2022-08-04 | Dave Halperin | Armin Rago | 3 | 2 | 0 | 0 |
| 2022-08-04 | Dave Halperin | Ron Zharzhavsky | 3 | 1 | -11 | 11 |
| 2022-07-28 | Dave Halperin | Armin Rago | 2 | 3 | -9 | 9 |
| 2022-07-28 | Dave Halperin | Upneet Shah | 2 | 3 | -6 | 6 |
| 2022-07-28 | Dave Halperin | David Davar | 3 | 0 | 12 | -12 |
| 2022-07-28 | Dave Halperin | Peter McNamara | 3 | 1 | 4 | -4 |
| 2022-07-07 | Dave Halperin | Matt Butterworth | 3 | 0 | 18 | -18 |
| 2022-07-07 | Dave Halperin | Upneet Shah | 3 | 1 | 10 | -10 |
| 2022-07-07 | James Zou | Dave Halperin | 3 | 0 | 22 | -22 |
| 2022-07-07 | Paul Ng | Dave Halperin | 2 | 3 | -13 | 13 |
| 2022-06-30 | Dave Halperin | Stephen Greenberg | 3 | 0 | 13 | -13 |
| 2022-06-30 | Dave Halperin | Dan Buzovi | 3 | 0 | 9 | -9 |
| 2022-06-30 | Dave Halperin | Drea Chakravorty | 3 | 0 | 8 | -8 |
| 2022-06-30 | Dave Halperin | Upneet Shah | 3 | 2 | 4 | -4 |
| 2022-06-09 | Paul Ng | Dave Halperin | 3 | 0 | 19 | -19 |
| 2022-06-09 | Glen Randmer | Dave Halperin | 0 | 3 | -33 | 33 |
| 2022-06-09 | James Zou | Dave Halperin | 0 | 3 | -36 | 36 |
| 2022-06-09 | Dave Halperin | Hans Zou | 3 | 1 | -7 | 7 |
| 2022-06-09 | Peter Xu | Dave Halperin | 3 | 2 | -3 | 3 |
| 2022-06-02 | Dave Halperin | Matt Butterworth | 3 | 1 | 5 | -5 |
| 2022-06-02 | Dave Halperin | Timothy Hudson | 3 | 2 | 1 | -1 |
| 2022-06-02 | Dave Halperin | Stephen Greenberg | 3 | 2 | -2 | 2 |
| 2022-06-02 | Dave Halperin | Parvathy Gopikrishna | 2 | 3 | -7 | 7 |
| 2022-05-26 | Stefan Riecher | Dave Halperin | 2 | 3 | -17 | 17 |
| 2022-05-26 | Glen Randmer | Dave Halperin | 3 | 0 | 18 | -18 |
| 2022-05-26 | Dave Halperin | Peter Xu | 0 | 3 | -28 | 28 |
| 2022-05-26 | James Zou | Dave Halperin | 3 | 1 | 2 | -2 |
| 2022-05-19 | Dave Halperin | Stephen Greenberg | 1 | 3 | -24 | 24 |
| 2022-05-19 | Dave Halperin | Paul Ng | 2 | 3 | -9 | 9 |
| 2022-05-19 | Parvathy Gopikrishna | Dave Halperin | 0 | 3 | -26 | 26 |
| 2022-05-19 | Peter Xu | Dave Halperin | 0 | 3 | -27 | 27 |
| 2022-05-19 | Dave Halperin | Matt Butterworth | 3 | 2 | -2 | 2 |
| 2022-04-28 | Dave Halperin | Stephen Greenberg | 3 | 1 | -1 | 1 |
| 2022-04-28 | Dave Halperin | Matt Butterworth | 3 | 1 | 3 | -3 |
| 2022-04-28 | Dave Halperin | Paul Ng | 2 | 3 | -7 | 7 |
| 2022-04-28 | Dave Halperin | Amy Hsu | 3 | 0 | 15 | -15 |
| 2022-04-21 | Dylan Gagler | Dave Halperin | 1 | 3 | -23 | 23 |
| 2022-04-21 | James Zou | Dave Halperin | 3 | 2 | -5 | 5 |
| 2022-04-21 | James Zou | Dave Halperin | 3 | 2 | -5 | 5 |
| 2022-04-21 | Peter Xu | Dave Halperin | 2 | 3 | -10 | 10 |
| 2022-04-21 | Parvathy Gopikrishna | Dave Halperin | 3 | 2 | 2 | -2 |
| 2022-04-07 | Dave Halperin | Amy Hsu | 2 | 3 | -12 | 12 |
| 2022-04-07 | Dave Halperin | Matt Butterworth | 2 | 3 | -15 | 15 |
| 2022-04-07 | Dave Halperin | Paul Ng | 3 | 2 | 4 | -4 |
| 2022-04-07 | Dave Halperin | Max Galkin | 3 | 0 | 13 | -13 |
| 2022-03-17 | Dave Halperin | Dan Buzovi | 3 | 1 | 10 | -10 |
| 2022-03-17 | Dave Halperin | Devin Srivastava | 3 | 0 | 22 | -22 |
| 2022-03-17 | Timothy Hudson | Dave Halperin | 0 | 3 | -33 | 33 |
| 2022-03-17 | Paul Ng | Dave Halperin | 0 | 3 | -28 | 28 |
| 2022-03-10 | Peter Xu | Dave Halperin | 3 | 0 | 18 | -18 |
| 2022-03-10 | Stefan Riecher | Dave Halperin | 3 | 0 | 16 | -16 |
| 2022-03-10 | Dave Halperin | Paul Ng | 2 | 3 | -5 | 5 |
| 2022-03-10 | James Zou | Dave Halperin | 2 | 3 | -14 | 14 |
| 2022-02-24 | Peter Xu | Dave Halperin | 1 | 3 | -20 | 20 |
| 2022-02-24 | Paul Ng | Dave Halperin | 2 | 3 | -11 | 11 |
| 2022-02-24 | Dave Halperin | Dan Buzovi | 1 | 3 | -14 | 14 |
| 2022-02-24 | Dave Halperin | Matt Butterworth | 3 | 2 | 1 | -1 |
| 2022-02-10 | Stefan Riecher | Dave Halperin | 3 | 0 | 23 | -23 |
| 2022-02-10 | Dave Halperin | Paul Ng | 3 | 1 | 9 | -9 |
| 2022-02-10 | Dave Halperin | Amy Hsu | 0 | 3 | -32 | 32 |
| 2022-02-10 | James Zou | Dave Halperin | 3 | 0 | 23 | -23 |
| 2022-01-27 | Steve Finn | Dave Halperin | 3 | 0 | 15 | -15 |
| 2022-01-27 | Parvathy Gopikrishna | Dave Halperin | 3 | 2 | 0 | 0 |
| 2022-01-27 | Timothy Hudson | Dave Halperin | 2 | 3 | -7 | 7 |
| 2022-01-27 | Peter Kam | Dave Halperin | 3 | 2 | -10 | 10 |
| 2022-01-13 | Dave Halperin | Stefan Riecher | 0 | 3 | -33 | 33 |
| 2022-01-13 | Dave Halperin | Matt Butterworth | 2 | 3 | -21 | 21 |
| 2022-01-13 | Dave Halperin | Paul Ng | 2 | 3 | -10 | 10 |
| 2022-01-13 | Dave Halperin | James Zou | 3 | 0 | 24 | -24 |
| 2022-01-06 | Steve Finn | Dave Halperin | 3 | 0 | 12 | -12 |
| 2022-01-06 | Brian Moran | Dave Halperin | 3 | 0 | 10 | -10 |
| 2022-01-06 | Adolfo Neto | Dave Halperin | 3 | 0 | 12 | -12 |
| 2022-01-06 | Parvathy Gopikrishna | Dave Halperin | 0 | 3 | -29 | 29 |