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Individual Calculations February 2024 |
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| McLean, Robert Total change: 59.60 | |   |
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| London Christmas Chess Congress 2023 - Open | Harrow | ENG | 2023-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1770 | 1823 | 4.00 | 6 | 0.60 | 40 | 24.00 | |
|  Lam, Kai | | | 1536 | ENG | 0.50 | 1 | -0.34 | 40 | -13.60 | |  Hariharan, Shambavi | | | 1691 | ENG | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Rahman, K Azizur | | | 1812 | ENG | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Badacsonyi, Stanley | | | 2056 | ENG | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Faulks, Nick W | c | | 1856 | BER | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Tawab, Ramin | | | 1670 | ENG | 1.00 | 1 | 0.30 | 40 | 12.00 | |
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) | | | NOTE: K factor changed | | 2023-24 4NCL Division 3 Bishops Rounds 3-4 | Telford | ENG | 2024-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1538 | 1823 | 2.00 | 2 | 0.36 | 20 | 7.20 | |
| | Curran, David P | | | 1653 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Tree, Djuna | | | 1423 * | 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) | | | NOTE: K factor changed | | 31st 4NCL Congress Open | Harrogate | ENG | 2024-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 1823 | 3.50 | 5 | 1.42 | 20 | 28.40 | |
| | Wells, Peter K | g | | 2341 | ENG | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Brencher, Paul | | | 1851 | ENG | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Wynarczyk, Raymond | | | 1703 | ENG | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Garnett, John S | | | 1791 | ENG | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Idle, Oscar J | | | 1902 | ENG | 1.00 | 1 | 0.61 | 20 | 12.20 | |
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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