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Rapid:
Individual Calculations February 2023 |
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| Ma, Rufus Total change: -16.40 | |   |
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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 |
| 1040 | 1064 | 0.50 | 1 | -0.03 | 40 | -1.20 | |
|  Braithwaite, Paul | | | 1040 | ENG | 0.50 | 1 | -0.03 | 40 | -1.20 | |
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) | | | | Coulsdon Chess Rapidplay - New Year (Rated Sections) | Coulsdon | ENG | 2023-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1467 | 1064 | 0.00 | 4 | -0.38 | 40 | -15.20 | |
|  West, James | | | 1367 | ENG | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Harris, Callum | | | 1343 | ENG | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Drennan, William B | | | 1622 | ENG | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Warner, Dominic W J | | | 1535 | ENG | 0.00 | 1 | -0.05 | 40 | -2.00 | |
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) | | |
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