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Individual Calculations August 2017 |
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| Kumar, Aravind Total change: 31.20 | |   |
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| 45th Annual World Open | Philadelphia, Pennsylvania | USA | 2017-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2200 | 2186 | 5.00 | 9 | 0.62 | 20 | 12.40 | |
|  Nyzhnyk, Illya | g | | 2586 * | UKR | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Kis, Lorand Bela | | | 2062 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Burke, John M | m | | 2489 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Mujumdar, Sameer Suhas | | | 2089 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Tanaka, Taira Tyler | | | 1786 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Brodsky, David | f | | 2379 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Heimann, Mark A | f | | 2378 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Turgut, Aydin | | | 2092 | USA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Johnston, Daniel F | | | 1935 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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) | | | | Marshall July 2017 Weekend FIDE | New York, New York | USA | 2017-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2207 | 2.50 | 4 | 0.16 | 20 | 3.20 | |
| | Boxer, Matthew | | | 1807 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hu, William | | | 1917 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Brodsky, David | f | | 2397 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Jacobson, Brandon | c | | 2332 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | * 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) | | | | 2017 North American Youth Chess Championship - U18 | Morristown, New Jersey | USA | 2017-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2207 | 3.50 | 7 | 0.78 | 20 | 15.60 | |
| | Chiku-Ratte, Olivier-Kenta | f | | 2344 | CAN | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Niemann, Hans | f | | 2293 | USA | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Tiglon, Bryce | f | | 2357 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | He, Tommy | f | | 2147 | USA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Zhang, Yuanchen | f | | 2247 | CAN | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Hong, Andrew | c | | 2334 | USA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Song, Edward | f | | 2301 | USA | 0.50 | 1 | 0.13 | 20 | 2.60 | |
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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