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Rapid:
Individual Calculations December 2021 |
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| Li, Ethan Total change: 1.80 | |   |
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| Golders Green FIDE Rapidplay - NOV1 Open | London | ENG | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1508 | 1498 | 3.00 | 6 | 0.06 | 20 | 1.20 | |
|  Salussolia, Louis | | | 1089 | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Lentzos, Ioanis | | | 1790 | GRE | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Isaacs, Ruairi | | | 1233 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Brass, Ezra | | | 1749 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Yu, Rock | | | 1275 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Arjun, Satheesh | | | 1909 | IND | 0.00 | 1 | -0.08 | 20 | -1.60 | |
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) | | | | 2021 British Junior Rapid Championship Under 12 | Milton Keynes | ENG | 2021-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1432 | 1498 | 1.50 | 3 | -0.26 | 20 | -5.20 | |
| | Patel, Zain | | | 1354 | ENG | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Kumar, Sanjit S | | | 1569 | ENG | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Dasgupta, Avyukt | | | 1372 | 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) | | | | Brentwood School FIDE Invitational Weekend Rapidplay | London | ENG | 2021-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1343 | 1498 | 1.00 | 1 | 0.29 | 20 | 5.80 | |
| | Latypova, Olga L | | | 1343 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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) | | |
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