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Rapid:
Individual Calculations December 2021 |
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| Chen, George Total change: 31.60 | |   |
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| Golders Green FIDE Rapidplay - NOV1 Open | London | ENG | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1424 | 1382 | 2.00 | 5 | -0.73 | 20 | -14.60 | |
|  Pigott, John C | m | | 2117 | ENG | 0.00 | 1 | -0.01 | 20 | -0.20 | |  Isaacs, Ruairi | | | 1233 | ENG | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Yu, Rock | | | 1275 | ENG | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Lawrence, William | | | 1211 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Gillespie, Frank | | | 1282 | ENG | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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) | | | | 2021 British Junior Rapid Championship Under 8 | Milton Keynes | ENG | 2021-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1382 | 6.00 | 7 | 1.95 | 20 | 39.00 | |
| | Banerjee, Supratit | | | 1174 | SCO | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Zhang, Junyi | | | 1180 | ENG | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Zhao, George | | | 1465 | ENG | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Verbytski, Oleg | | | 1280 | ENG | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Keerthi Kumar, Advait | | | 1536 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Han, Qixiang | | | 1409 | ENG | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Kumar, Sachin | | | 1200 | ENG | 1.00 | 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) | | | | Golders Green FIDE Rapidplay - NOV2 Open | London | ENG | 2021-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1382 | 1.00 | 4 | 0.36 | 20 | 7.20 | |
| | Pigott, John C | m | | 2117 | ENG | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Richardson, Samir | | | 1736 | ENG | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Viswanath, Ganesh | | | 1926 | AUS | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Lishoy Gengis Paratazham, Dildara | | | 1386 | ENG | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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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