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Individual Calculations February 2024 |
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| McLean, Rory R Total change: 31.40 | |   |
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| London Christmas Chess Congress 2023 - Open | Harrow | ENG | 2023-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1715 | 1403 | 1.50 | 5 | 0.72 | 40 | 28.80 | |
|  Clarke, Niall | | | 1744 | ENG | 0.50 | 1 | 0.38 | 40 | 15.20 | |  Zhu, Pengxiao | | | 1828 | ENG | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Kirupakaran, Vishnu | | | 1803 * | ENG | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Venkatesh, Anuj V | | | 1523 | ENG | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Ding, Yiwen | | | 1678 | ENG | 0.00 | 1 | -0.17 | 40 | -6.80 | | | * 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) | | | NOTE: K factor changed | | 2023-24 4NCL Division 4 Rounds 3-4 | Telford | ENG | 2024-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1609 | 1525 | 1.00 | 2 | 0.13 | 20 | 2.60 | |
| | Vachtfeidl, Petr | | | 1916 | CZE | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Scott, Jane | | | 1302 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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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