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Individual Calculations February 2023 |
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| Gibbs, Dominic V Total change: -9.80 | |   |
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| London Christmas Chess Congress - Open | London | ENG | 2022-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1838 | 1873 | 2.50 | 5 | -0.19 | 20 | -3.80 | |
|  Balaji, Aaravamudhan | c | | 2353 | ENG | 0.50 | 1 | 0.45 | 20 | 9.00 | |  Merriman, James | | | 1999 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Harandi, Teymour | | | 1459 | ENG | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Gonzales, Ceferino | | | 1473 * | PHI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thatte, Nishchal | | | 1905 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | | | * 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) | | | | 2022/23 4NCL Division 3 East Rounds 3-4 | Daventry | ENG | 2023-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1845 | 1873 | 1.00 | 1 | 0.46 | 20 | 9.20 | |
| | Duckers, Harvey L | | | 1845 | ENG | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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) | | | | 2022/23 4NCL Division 4 Rounds 3-4 | Daventry | ENG | 2023-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1473 | 1873 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
| | Zhang, Yichen | | | 1473 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 29th 4NCL Congress Major | Harrogate | ENG | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1649 | 1873 | 3.00 | 5 | -0.84 | 20 | -16.80 | |
| | May, Paul | | | 1745 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Wheeler, Tim | | | 1589 | ENG | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Chester, Ian B | | | 1683 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Kenning, Paul H | | | 1753 | ENG | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Rida, Ruqayyah | | | 1473 * | ENG | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | |
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