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Individual Calculations December 2019 |
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| Gray, David Total change: -31.40 | |   |
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| CCF Daytime Chess - Autumn 2019 NOV 2019 R8-12 | London | ENG | 2019-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1351 | 1122 | 0.50 | 4 | -0.40 | 20 | -8.00 | |
|  Hastilow, Sarah | | | 1206 | ENG | 0.50 | 1 | 0.12 | 20 | 2.40 | |  Howes, David J | | | 1388 | ENG | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Bennett, Delroy | | | 1326 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Miles, Barry S | | | 1485 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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) | | | | CCF LP Club Championships 2019-2020 NOV 2019 R10-13 | London | ENG | 2019-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1270 | 1157 | 0.00 | 3 | -1.17 | 20 | -23.40 | |
| | Kuzhelev, Timur | | | 1557 * | RUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kothari, Jai | | | 1122 | ENG | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Karthikeyan, Sanjiv | | | 1130 | ENG | 0.00 | 1 | -0.54 | 20 | -10.80 | | | * 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) | | |
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