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Individual Calculations June 2022 |
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| Roberson, Peter T Total change: 9.20 | |   |
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| 2021/22 4NCL Division 1 & 2 Rounds 7-9 | Daventry | ENG | 2022-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2428 | 2430 | 2.50 | 3 | 0.98 | 10 | 9.80 | |
|  Parligras, Mircea-Emilian | g | | 2583 | ROU | 1.00 | 1 | 0.70 | 10 | 7.00 | | | Olson, Hamish | f | | 2300 | SCO | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Jackson, James P | m | | 2400 | ENG | 1.00 | 1 | 0.46 | 10 | 4.60 | |
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) | | | | Chessable English Championships 2022 | Kenilworth | ENG | 2022-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2231 | 2421 | 5.00 | 7 | -0.06 | 10 | -0.60 | |
| | Ireland, David J | | | 2021 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Haydon, David L | f | | 2275 | ENG | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Boswell, Jacob Connor | | | 2075 | ENG | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Okhai, Shabir | | | 2121 | ENG | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Royal, Shreyas | f | | 2385 | ENG | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Arkell, Keith C | g | | 2367 | ENG | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Wells, Peter K | g | | 2374 | ENG | 1.00 | 1 | 0.43 | 10 | 4.30 | | | * 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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