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Rapid:
Individual Calculations February 2023 |
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| West, James Total change: -15.80 | |   |
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| Coulsdon Chess Rapidplay - New Year (Rated Sections) | Coulsdon | ENG | 2023-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1367 | 2.00 | 5 | -0.79 | 20 | -15.80 | |
|  Ma, Rufus | | | 1064 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Marshall, Chris | | | 1729 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Gillespie, Frank | | | 1218 | ENG | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Foley, Phil T | | | 1571 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Kalaiyalahan, Aishwarya | | | 1021 | ENG | 1.00 | 1 | 0.11 | 20 | 2.20 | |
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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