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Rapid:
Individual Calculations December 2021 |
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| Griffith, Oliver Total change: 58.80 | |   |
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| Coulsdon Chess Junior Grand Prix - OCT2 Level5 | London | ENG | 2021-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1225 | 1104 | 3.50 | 5 | 1.80 | 20 | 36.00 | |
|  Jayaprakash, Arnav | | | 1174 | ENG | 1.00 | 1 | 0.60 | 20 | 12.00 | |  Han, Qixuan | | | 1336 | ENG | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Kumar, Sachin | | | 1210 | ENG | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Marsden, Rupert | | | 1229 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Saxena, Arjun | | | 1178 | ENG | 0.50 | 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) | | | | Coulsdon Chess Juniors : Premiership Autumn 2021 S3 - NOV 2021 | London | ENG | 2021-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1200 | 1116 | 1.50 | 3 | 0.34 | 20 | 6.80 | |
| | Smith, Henry | | | 1225 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Raj, Aarush | | | 1145 | ENG | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Ma, Rufus | | | 1229 | ENG | 1.00 | 1 | 0.65 | 20 | 13.00 | |
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 - NOV Level4 | London | ENG | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1297 | 1116 | 0.00 | 1 | -0.26 | 20 | -5.20 | |
| | Kairat, Alexander | | | 1297 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | Coulsdon Chess Junior Grand Prix - NOV Level5 | London | ENG | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1126 | 1116 | 3.00 | 4 | 1.06 | 20 | 21.20 | |
| | Manchandia, Pratyush | | | 1221 | ENG | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Saxena, Arjun | | | 1137 | ENG | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Kumar, Sachin | | | 1200 | ENG | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Mahadevan, Meikum | | | 944 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | |
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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