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Individual Calculations August 2018 |
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| Matta, Nicholas F Total change: 13.40 | |   |
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| 46th Annual World Open | Philadelphia, Pennsylvania | USA | 2018-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2182 | 2100 | 4.00 | 9 | 0.42 | 20 | 8.40 | |
|  Krush, Irina | g | wg | 2422 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Dembele, Marcel | | | 1833 | FRA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Song, Edward | f | | 2275 | USA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Brodsky, David | m | | 2411 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | McNeill, Gordon J | | | 1879 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Tsay, Vincent | f | | 2198 | USA | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Zhou, Liran | c | | 2214 | USA | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Lehmann, Spencer | | | 2235 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Rek, Viatcheslav | | | 2168 | CAN | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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) | | | | Houston Summer Chess Festival | Houston, Texas | USA | 2018-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2100 | 2.50 | 4 | 0.25 | 20 | 5.00 | |
| | Kunka, Harshid | | | 1700 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rodriguez, Daniel | f | | 2287 | VEN | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Huang, Max | | | 1800 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Chua, Alexander | f | | 2316 | USA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | * 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) | | |
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