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Individual Calculations August 2015 |
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| Preotu, Razvan Total change: 5.90 | |   |
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| 43rd Annual World Open | Arlington, Virginia | USA | 2015-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2406 | 2452 | 5.00 | 9 | 0.03 | 10 | 0.30 | |
|  Larson, Matthew W | | | 2160 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | |  Perez-Billinghurst, Ricardo | | | 2164 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Del Mundo, Anton Paolo C. | f | | 2262 | PHI | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Nyzhnyk, Illya | g | | 2627 | UKR | 0.50 | 1 | 0.23 | 10 | 2.30 | | | Sturt, Raven M | | | 2259 | USA | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Mekhitarian, Krikor Sevag | g | | 2589 | BRA | 1.00 | 1 | 0.68 | 10 | 6.80 | | | Ipatov, Alexander | g | | 2615 | TUR | 0.00 | 1 | -0.28 | 10 | -2.80 | | | Bachmann, Axel | g | | 2633 | PAR | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Checa, Nicolas D | f | | 2344 | USA | 0.00 | 1 | -0.65 | 10 | -6.50 | |
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) | | | | 2015 Zone 2.2 Open Championships | Guelph | CAN | 2015-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2322 | 2452 | 6.00 | 9 | 0.14 | 10 | 1.40 | |
| | Chen, Richard | c | | 2082 | CAN | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Plotkin, Victor | f | | 2255 | CAN | 0.00 | 1 | -0.75 | 10 | -7.50 | | | Dougherty, Michael | f | | 2123 | CAN | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Vettese, Nicholas | c | | 2180 | CAN | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Hansen, Eric | g | | 2583 | CAN | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Krnan, Tomas | m | | 2428 | CAN | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Gerzhoy, Leonid | m | | 2418 | CAN | 0.00 | 1 | -0.55 | 10 | -5.50 | | | Zhang, Yuanchen | f | | 2295 | CAN | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Sambuev, Bator | g | | 2532 | CAN | 0.50 | 1 | 0.11 | 10 | 1.10 | |
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) | | | | 2015 CYCC U16 Open | Windsor | CAN | 2015-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2150 | 2452 | 5.50 | 6 | 0.42 | 10 | 4.20 | |
| | Li, Yinshi | | | 2052 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Shi, Diwen | c | | 2153 | CAN | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Graif, William | | | 2052 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Doknjas, John | c | | 2218 | CAN | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Yu, Zong Yang | | | 2234 | CAN | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Zhu, Hong Rui | c | | 2192 | CAN | 1.00 | 1 | 0.18 | 10 | 1.80 | | | * 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) | | |
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