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Individual Calculations December 2021 |
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| Patel, Zain Total change: 46.00 | |   |
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| 2021 Scarborough Chess Congress | Scarborough | ENG | 2021-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1437 | 2.50 | 4 | 2.18 | 40 | 87.20 | |
|  Woolacott, Samuel | | | 1837 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Skettos, Nicolas | | | 1837 * | CYP | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Kilshaw, Joe | | | 1837 * | ENG | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Smith, Simon | | | 1837 * | ENG | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Brentwood School FIDE Invitational Weekend | London | ENG | 2021-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1442 | 1457 | 0.50 | 3 | -1.03 | 40 | -41.20 | |
| | Li, Ethan | | | 1620 | ENG | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Pert, Max | | | 1498 | ENG | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Catabay, Mae Katelyn Rose | | | 1207 | ENG | 0.00 | 1 | -0.81 | 40 | -32.40 | |
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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