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Individual Calculations June 2013 |
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| Zhou, Yang-Jian Total change: 17.85 | |   |
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| The Dicky White Club Tournament Round 17-33 | COULSDON | ENG | 2012-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1817 | 1604 | 0.50 | 4 | -0.46 | 15 | -6.90 | |
|  Kalairajah, Shyam | | | 1780 | ENG | 0.00 | 1 | -0.27 | 15 | -4.05 | |  Kalairajah, Shyam | | | 1780 | ENG | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Haridas, Girinath | | | 1741 | ENG | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Murphy, Conor E | | | 1966 | ENG | 0.00 | 1 | -0.10 | 15 | -1.50 | |
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) | | | | 4NCL 2012-13 | Various | ENG | 2012-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1600 | 4.00 | 7 | 2.82 | 15 | 42.30 | |
| | Hermes, Geoff R | | | 1979 | ENG | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Grieve, Harry | | | 1619 | ENG | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Davies, Peter L | | | 1982 | WLS | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Conterno, Dominique | | | 1896 | ENG | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Lee, Darren | | | 1890 | ENG | 1.00 | 1 | 0.84 | 15 | 12.60 | | | Fogg, Martin | | | 1942 | ENG | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Nwachukwu, Chino | | | 1974 | NGR | 0.50 | 1 | 0.40 | 15 | 6.00 | |
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) | | | | WORLD SCHOOL CHESS CHAMPIONSHIPS 2013 - OPEN U13 | Porto Carras - Halkidiki | GRE | 2013-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1612 | 1648 | 0.50 | 3 | -1.17 | 15 | -17.55 | |
| | Nigmatov, Ortik | | | 2022 | UZB | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Remus Elliot, Luke | | | 1306 | ENG | 0.00 | 1 | -0.88 | 15 | -13.20 | | | Isaak, Solomos | | | 1509 | CYP | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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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