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Individual Calculations August 2022 |
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| Martin, Roger Total change: -142.40 | |   |
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| 2022 World Open Amateur | Philadelphia, Pennsylvania | USA | 2022-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1725 | 2195 | 2.00 | 4 | -1.72 | 20 | -34.40 | |
|  Zelinski, Paul B | | | 1795 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jing, Andrew | | | 1608 | USA | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Ahuja, Bhavik | | | 1907 | IND | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Tyau, Christopher | | | 1589 | USA | 0.00 | 1 | -0.98 | 20 | -19.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2022 World Open FIDE U2400 | Philadelphia, PA | USA | 2022-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1840 | 2195 | 1.00 | 3 | -1.64 | 20 | -32.80 | |
| | Dedona, Mark | | | 1752 | USA | 0.00 | 1 | -0.94 | 20 | -18.80 | | | Nolan, Gregory Matthew | | | 1972 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Guo, Ella | | | 1795 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 50th Annual World Open - Under 2200 | Philadelphia, Pennsylvania | USA | 2022-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 2195 | 1.00 | 2 | -0.81 | 20 | -16.20 | |
| | Lee, Ryan | | | 1842 | USA | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Mariappan, Anish M | | | 1795 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 23rd annual Pittsburgh Open Major | Pittsburgh, PA | USA | 2022-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 2197 | 1.50 | 5 | -2.95 | 20 | -59.00 | |
| | Cherukuri, Nitesh | | | 1797 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Wang, Kevin | | | 1849 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Gangavarapu, Sreekar | | | 1691 | USA | 0.00 | 1 | -0.96 | 20 | -19.20 | | | Zhang, Roger | | | 2030 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Haldankar, Ameya | | | 1709 | USA | 0.00 | 1 | -0.96 | 20 | -19.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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