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Individual Calculations September 2022 |
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| Arkell, Keith C Total change: 4.20 | |   |
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| Chessable British Chess Championships 2022: Week 1 Open | Torquay | ENG | 2022-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2075 | 2409 | 3.00 | 4 | -0.39 | 10 | -3.90 | |
|  Tambini, Jasper | | | 2040 | ENG | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Collins, Jonathan | | | 2009 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Lane, Gary W | m | | 2328 | AUS | 0.00 | 1 | -0.61 | 10 | -6.10 | | | Skettos, Nicolas | | | 1921 | CYP | 1.00 | 1 | 0.04 | 10 | 0.40 | | | * 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) | | | | Chessable British Chess Championships 2022 | Torquay | ENG | 2022-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2347 | 2409 | 6.00 | 9 | 0.81 | 10 | 8.10 | |
| | Birtwistle, Nigel | | | 2151 | ENG | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Yao, Lan | | wm | 2274 | ENG | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Derakhshani, Borna | f | | 2374 | ENG | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Price, Gwilym | | | 2129 | ENG | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Kirk, Ezra | m | | 2442 | ENG | 1.00 | 1 | 0.55 | 10 | 5.50 | | | Wadsworth, Matthew J | m | | 2418 | ENG | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Grieve, Harry | f | | 2390 | ENG | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Pert, Richard G | m | | 2411 | ENG | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Pert, Nicholas | g | | 2537 | ENG | 0.00 | 1 | -0.33 | 10 | -3.30 | |
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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