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Rapid:
Individual Calculations February 2023 |
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| Harris, Callum Total change: -64.80 | |   |
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| Coulsdon Chess Junior Grand Prix Spring 2023 - January | Coulsdon | ENG | 2023-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1159 | 1343 | 1.00 | 3 | -1.18 | 40 | -47.20 | |
|  Singh, Aarush | | | 1011 | ENG | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Blake-Gyeresy, Alfred | | | 1178 | ENG | 0.00 | 1 | -0.72 | 40 | -28.80 | |  Ali, Shahyan | | | 1289 | ENG | 0.00 | 1 | -0.58 | 40 | -23.20 | |
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 Junior Grand Prix Spring 2023 - Extras - January | Coulsdon | ENG | 2023-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1439 | 1343 | 0.00 | 1 | -0.37 | 40 | -14.80 | |
| | Bloom, Paul | | | 1439 | ENG | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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) | | | | Coulsdon Chess Rapidplay - New Year (Rated Sections) | Coulsdon | ENG | 2023-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1423 | 1343 | 2.00 | 5 | -0.07 | 40 | -2.80 | |
| | Marshall, Chris | | | 1729 | ENG | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Ma, Rufus | | | 1064 | ENG | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Gillespie, Frank | | | 1218 | ENG | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Fernandes, Aaron | | | 1483 | ENG | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Drennan, William B | | | 1622 | ENG | 1.00 | 1 | 0.84 | 40 | 33.60 | |
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) | | |
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