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Individual Calculations February 2013 |
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| Zhang, Yuanchen Total change: -0.30 | |   |
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| 39th Annual Eastern Open | Washington DC | USA | 2012-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 2018 | 3.00 | 6 | -0.06 | 15 | -0.90 | |
|  Chang, Jeffrey E | | | 1974 | USA | 0.50 | 1 | -0.06 | 15 | -0.90 | |  Yagiz, Bora | | | 1913 | TUR | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Slack, David | | | 1915 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Bartell, Thomas | f | | 2410 | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Peng, David T | | | 2010 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Vaidya, Atulya | | | 1924 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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) | | | | 2013 Hart House Winter Open | Toronto, Ontario | CAN | 2013-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 2018 | 2.00 | 5 | 0.24 | 15 | 3.60 | |
| | Gusev, Nikita | f | | 2152 | CAN | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Humphreys, Michael | f | | 2139 | CAN | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Olheiser, Gordon | | | 2004 | CAN | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Ochkoos, Jura | f | | 2242 | CAN | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Derraugh, Geordie | | | 2120 | CAN | 0.50 | 1 | 0.14 | 15 | 2.10 | |
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) | | | | 2013 Championnat par classe DESJARDINS du Quebec | Montreal, Quebec | CAN | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 2018 | 0.50 | 3 | -0.20 | 15 | -3.00 | |
| | Kleinman, Michael | f | | 2307 | CAN | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Nicula, Marius | f | | 2212 | CAN | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Mackinnon, Keith | | | 2172 | CAN | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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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