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Individual Calculations February 2024 |
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| Ariyaratne, Prabodha Total change: 31.60 | |   |
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| London Christmas Chess Congress 2023 - Major | Harrow | ENG | 2023-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1593 | 1356 | 2.00 | 5 | 0.91 | 40 | 36.40 | |
|  Webb, Nicholas | | | 1652 | IRL | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Dorman, Orla | | | 1479 | IRL | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Merchant, Steve | | | 1551 | ENG | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Rubeck, Jonathan | | | 1771 | ENG | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Dong, Yixuan | | | 1513 | ENG | 0.50 | 1 | 0.21 | 40 | 8.40 | |
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) | | | | London Christmas Chess Congress 2023 - Extra Games | Harrow | ENG | 2023-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1265 | 1356 | 0.50 | 1 | -0.12 | 40 | -4.80 | |
| | Srivastava, Siddhartha Shankar | | | 1265 | IND | 0.50 | 1 | -0.12 | 40 | -4.80 | |
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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