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Individual Calculations February 2019 |
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| Arkell, Keith C Total change: 1.30 | |   |
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| 2018/19 4NCL Div 1 Rounds 3 - 4 | Daventry | ENG | 2019-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2195 | 2460 | 1.50 | 2 | -0.15 | 10 | -1.50 | |
|  Foisor, Mihaela-Veronica | | wm | 2222 | ROU | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Ledger, Dave J | f | | 2168 | ENG | 0.50 | 1 | -0.35 | 10 | -3.50 | |
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) | | | | 21st 4NCL Congress Open | Harrogate | ENG | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2186 | 2460 | 3.50 | 4 | 0.28 | 10 | 2.80 | |
| | Wells, Jonathan C | | | 2060 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Webster, Richard J | | | 2060 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Sumit, Kumar | | | 2219 | IND | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Wells, Peter K | g | | 2405 | ENG | 0.50 | 1 | -0.08 | 10 | -0.80 | | | * 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) | | |
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