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Rapid:
Individual Calculations December 2021 |
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| Kumar, Sachin Total change: -21.60 | |   |
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| Coulsdon Chess Junior Grand Prix - OCT2 Level4 | London | ENG | 2021-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1336 | 1210 | 0.50 | 1 | 0.17 | 20 | 3.40 | |
|  Han, Qixuan | | | 1336 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | |
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 Chess Junior Grand Prix - OCT2 Level5 | London | ENG | 2021-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1211 | 1210 | 1.00 | 4 | -0.99 | 20 | -19.80 | |
| | Marsden, Rupert | | | 1229 | ENG | 0.50 | 1 | 0.03 | 20 | 0.60 | |  Griffith, Oliver | | | 1104 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Han, Qixuan | | | 1336 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Jayaprakash, Arnav | | | 1174 | ENG | 0.00 | 1 | -0.55 | 20 | -11.00 | |
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 |
| 1184 | 1200 | 1.00 | 1 | 0.48 | 20 | 9.60 | |
| | Innes, Ben | | | 1184 | ENG | 1.00 | 1 | 0.48 | 20 | 9.60 | |
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) | | | | Coulsdon Chess Junior Grand Prix - NOV Level4 | London | ENG | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1259 | 1200 | 0.00 | 2 | -0.84 | 20 | -16.80 | |
| | Manchandia, Pratyush | | | 1221 | ENG | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Kairat, Alexander | | | 1297 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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 Chess Junior Grand Prix - NOV Level5 | London | ENG | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1060 | 1200 | 2.50 | 4 | -0.20 | 20 | -4.00 | |
| | Mahadevan, Rohit | | | 958 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Griffith, Oliver | | | 1116 | ENG | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Manchandia, Pratyush | | | 1221 | ENG | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Mahadevan, Meikum | | | 944 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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) | | | | 2021 British Junior Rapid Championship Under 8 | Milton Keynes | ENG | 2021-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1411 | 1200 | 1.00 | 3 | 0.30 | 20 | 6.00 | |
| | Zhao, George | | | 1465 | ENG | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Lishoy Gengis Paratazham, Dildara | | | 1386 | ENG | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Chen, George | | | 1382 | 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) | | |
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