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Individual Calculations May 2023 |
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| Rogers, Tim L Total change: -6.20 | |   |
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| London Chess League Weekend Congress (31 March) - Open | London W6 | ENG | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1911 | 3.00 | 5 | 0.00 | 20 | 0.00 | |
|  Veeturi, Yashvardhan | | | 1511 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Freeland, Alex | | | 2005 | WLS | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Muirhead, Samuel | | | 1575 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Alldritt, Nigel R E | | | 1993 | ENG | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Badacsonyi, Stanley | | | 1952 | ENG | 0.00 | 1 | -0.44 | 20 | -8.80 | | | * 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) | | | | Coulsdon Chess Standardplay Congress Easter 2023 - Open | Coulsdon | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1920 | 2.50 | 4 | -0.70 | 20 | -14.00 | |
| | Soulier, Alfred | | | 1700 | ENG | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Kairat, Alexander | | | 1520 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hurtado Oldridge, Felipe | | | 1877 | ESP | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Hayes, Callum | | | 1482 | ENG | 1.00 | 1 | 0.06 | 20 | 1.20 | | | * 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) | | | | Central London Chess Congress April 2023 - Open | London | ENG | 2023-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1915 | 1920 | 3.00 | 5 | 0.39 | 20 | 7.80 | |
| | Vardaan, Nagpal | m | | 2333 | IND | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Todd, Jamie | | | 1654 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Hill, Alistair | | | 2171 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Montaigne, Adrien | | | 1790 | FRA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Tawab, Ramin | | | 1628 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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) | | |
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