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Individual Calculations August 2015 |
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| Zhang, Yuanchen Total change: 19.20 | |   |
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| 3rd Annual DC International | Arlington, Virginia | USA | 2015-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2291 | 2286 | 5.50 | 9 | 1.18 | 40 | 47.20 | |
|  Taylor, Kevin P | | | 1886 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Bodek, Michael H | f | | 2425 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | | | El Debs, Felipe De Cresce | g | | 2515 | BRA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Maldonado, Oscar | | | 2116 | USA | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Korba, Nicky | | | 2117 | USA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Liang, Awonder | f | | 2375 | USA | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Li, Ruifeng | f | | 2394 | USA | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Mulyar, Michael A. | m | | 2392 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Ippolito, Dean | m | | 2395 | USA | 0.50 | 1 | 0.15 | 40 | 6.00 | | | * 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) | | | | 43rd Annual World Open | Arlington, Virginia | USA | 2015-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2266 | 2295 | 5.00 | 9 | 0.21 | 40 | 8.40 | |
| | Helfst, Matt D | | | 1941 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Troff, Kayden W | g | | 2545 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Nieto, Manuel Valerio Waldo | | | 2101 | COL | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Liang, Awonder | f | | 2408 | USA | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Harmon-Vellotti, Luke | m | | 2430 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Taghizadeh, Rayan | f | | 2160 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Garcia, Gildardo | g | | 2389 | COL | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Jacobson, Aaron | | | 2215 | USA | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Subervi, Jonathan | | | 2201 | DOM | 0.50 | 1 | -0.13 | 40 | -5.20 | |
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 |
| 2162 | 2295 | 5.00 | 9 | -0.91 | 40 | -36.40 | |
| | Schneider, Corin | | | 1895 * | CAN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Peredun, Andrew | f | | 2243 | CAN | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Noritsyn, Sergey | | | 2002 | CAN | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Oussedik, Elias | | | 2109 | CAN | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Zhou, Qiyu | | wf | 2126 | CAN | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Filipovich, David | | | 2044 | CAN | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Cao, Jason | f | | 2332 | CAN | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Preotu, Razvan | m | | 2452 | CAN | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Plotkin, Victor | f | | 2255 | CAN | 0.50 | 1 | -0.06 | 40 | -2.40 | | | * 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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