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Individual Calculations August 2017 |
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| Ni, Winston Total change: 20.80 | |   |
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| 45th Annual World Open | Philadelphia, Pennsylvania | USA | 2017-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 1883 | 2.00 | 7 | 0.48 | 40 | 19.20 | |
|  Shrentzel, Israel | m | | 2230 | ISR | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Nyamdorj, Davaaochir | | | 2098 | CAN | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Macaspac, Arthur | | | 2059 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Peatman, Carter F | | | 2075 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Juac, Majur | | | 2082 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Abdi, Farzad | | | 2108 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Cooke, Eric | | | 2119 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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) | | | | 2017 North American Youth Chess Championship - U12 | Morristown, New Jersey | USA | 2017-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1806 | 1876 | 3.50 | 6 | 0.04 | 40 | 1.60 | |
| | Zheng, Michael Zihan | | | 1778 | USA | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Zong Jr, Davis | | | 1920 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Nathan, Krishna | | | 1653 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Lu, Maximillian | c | | 2067 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Doknjas, Neil | | | 1908 | CAN | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Tang, Andrew | c | | 1509 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | |
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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