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Rapid:
Individual Calculations February 2023 |
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| Braithwaite, Paul Total change: 6.80 | |   |
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| Coulsdon Chess Junior Grand Prix Spring 2023 - Extras - January | Coulsdon | ENG | 2023-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1064 | 1040 | 0.50 | 1 | 0.03 | 20 | 0.60 | |
|  Ma, Rufus | | | 1064 | ENG | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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 Rapidplay - New Year (Rated Sections) | Coulsdon | ENG | 2023-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1403 | 1040 | 1.00 | 5 | 0.31 | 20 | 6.20 | |
|  Eadie, Luke W | | | 1356 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Fazia, Salvatore | | | 1197 | ENG | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Boztas, Lana | | | 1384 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Kumar, Arnav | | | 1350 | ENG | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Marshall, Chris | | | 1729 | ENG | 0.00 | 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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