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Individual Calculations October 2023 |
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| Arkell, Keith C Total change: 2.70 | |   |
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| 2023 Newport Open | Newport | WLS | 2023-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 2352 | 5.00 | 5 | 0.77 | 10 | 7.70 | |
|  Hill, Andy | | | 1952 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Staniforth, Matthew | | | 1934 | WLS | 1.00 | 1 | 0.07 | 10 | 0.70 | | | Ashworth, Michael | | | 2007 | ENG | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Blackburn, Jonathan L B | f | | 2198 | WLS | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Bullen, Alex | c | | 2128 | WLS | 1.00 | 1 | 0.22 | 10 | 2.20 | | | * 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) | | | | World Senior Team Chess Championship 2023 S50 | Struga | MKD | 2023-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2288 | 2352 | 3.00 | 6 | -0.50 | 10 | -5.00 | |
| | Frostick, Clive A | | | 2112 | ENG | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Borgo, Giulio | m | | 2332 | ITA | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Thorhallsson, Throstur | g | | 2382 | ISL | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Stanojoski, Zvonko | g | | 2351 | MKD | 0.00 | 1 | -0.50 | 10 | -5.00 | | | Clark, Gary M | f | | 2278 | ENG | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Nikac, Predrag | m | | 2275 | MNE | 0.50 | 1 | -0.11 | 10 | -1.10 | |
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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