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Individual Calculations January 2019 |
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| Hastilow, Sarah Total change: -26.00 | |   |
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| CCF Winter Chess Club LP Matches Stage 5 | London | ENG | 2018-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1020 | 1160 | 0.00 | 1 | -0.69 | 20 | -13.80 | |
|  Arun, Akash | | | 1020 | ENG | 0.00 | 1 | -0.69 | 20 | -13.80 | |
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) | | | | CCF Coulsdon Christmas LP Congress U1500 | London | ENG | 2018-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1136 | 1160 | 1.00 | 3 | -0.61 | 20 | -12.20 | |
| | Yu, Tim | | | 1370 | ENG | 1.00 | 1 | 0.77 | 20 | 15.40 | |  Wimble, Garry | | | 1035 | ENG | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Povey, Humphrey | | | 1004 | ENG | 0.00 | 1 | -0.71 | 20 | -14.20 | |
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) | | |
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