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Individual Calculations May 2023 |
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| Tawab, Ramin Total change: 22.40 | |   |
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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 |
| 1719 | 1638 | 2.50 | 5 | 0.43 | 40 | 17.20 | |
|  Lau, Lut Yin Luke | | | 2030 | HKG | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Siddhartha, Shankar Srivastava | | | 1270 | IND | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Cannon, Richard J | | | 1998 | ENG | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Dignam, Matthew | | | 2057 | IRL | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Veeturi, Yashvardhan | | | 1238 * | ENG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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 |
| 2028 | 1628 | 0.50 | 4 | 0.13 | 40 | 5.20 | |
| | Phan, Stefanus Kf | | | 1993 | SGP | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Chapman, Terry P D | f | | 2210 | ENG | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Rogers, Tim L | | | 1920 | ENG | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Banks, Sinclair | | | 1990 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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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