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Individual Calculations August 2023 |
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| Kothari, Jai Total change: -0.80 | |   |
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| Coulsdon Chess Summer Cup 2023 - Elite Round 2 - July | Coulsdon | ENG | 2023-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1782 | 2.00 | 2 | 1.42 | 40 | 56.80 | |
|  Smith, Mark | | | 1942 | ENG | 1.00 | 1 | 0.71 | 40 | 28.40 | |  Bharat Kumar, Balahari | | | 1939 | ENG | 1.00 | 1 | 0.71 | 40 | 28.40 | |
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) | | | | EJCOA National Youth Championships Final U14 | Nottingham | ENG | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1668 | 1782 | 1.50 | 2 | 0.29 | 40 | 11.60 | |
| | Mehta, Sophie | | | 1410 | ENG | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Dicen, Elis Denele | | | 1926 | ENG | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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) | | | | 2023 British Championship: Weekender - Atkins | Leicester | ENG | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1732 | 1782 | 1.50 | 3 | -0.20 | 40 | -8.00 | |
| | Moss, Thomas D | | | 1635 | ENG | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Samarakoon, Vivash | | | 1691 | SRI | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Nawalaniec, Adam | | | 1870 | POL | 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) | | | | 2023 British Championship: Extra Games | Leicester | ENG | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1744 | 1782 | 0.00 | 1 | -0.55 | 40 | -22.00 | |
| | Sheikh, Anum | | wc | 1744 | ENG | 0.00 | 1 | -0.55 | 40 | -22.00 | |
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) | | | | 2023 British Championship: AM Open | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1894 | 1782 | 0.50 | 4 | -0.98 | 40 | -39.20 | |
| | Verma, Aditya | | | 2138 | ENG | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Sooraj, M R | | | 1861 | IND | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Verbytski, Oleg | | | 1795 | ENG | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Staniland, Philip | | | 1782 | ENG | 0.00 | 1 | -0.50 | 40 | -20.00 | |
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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