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Rapid:
Individual Calculations January 2022 |
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| Harris, Callum Total change: 24.20 | |   |
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| Coulsdon Chess Juniors : Premiership Autumn 2021 S4 DEC 2021 | London | ENG | 2021-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1116 | 1187 | 1.00 | 1 | 0.40 | 20 | 8.00 | |
|  Griffith, Oliver | | | 1116 | ENG | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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) | | | | Coulsdon Chess Junior Grand Prix - DEC Level4 | London | ENG | 2021-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 966 | 1208 | 1.00 | 1 | 0.20 | 20 | 4.00 | |
|  Braithwaite, Paul | | | 966 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | |
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) | | | | Coulsdon Chess Junior Grand Prix - DEC Level5 | London | ENG | 2021-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1216 | 1208 | 2.00 | 5 | -0.47 | 20 | -9.40 | |
| | Saxena, Arjun | | | 1069 | ENG | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Pitts, Daniel | | | 1448 | ENG | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Manchandia, Pratyush | | | 1227 | ENG | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Kumar, Sachin | | | 1178 | ENG | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Taylor, Tobias | | | 1159 | ENG | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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) | | | | Coulsdon Juniors RP Swiss 13-12-2021 DEC | London | ENG | 2021-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1147 | 1208 | 4.00 | 5 | 1.08 | 20 | 21.60 | |
| | Raj, Aarav | | | 1074 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Dawrant, Jake | | | 1124 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Griffith, Oliver | | | 1175 | ENG | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Ma, Rufus | | | 1184 | ENG | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Kumar, Sachin | | | 1178 | ENG | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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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