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Individual Calculations November 2023 |
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| Sumoy, Chattopadhyay Total change: 41.20 | |   |
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| 4th DDDBCA Open Rating Tournament | Kolkata | IND | 2023-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1483 | 1062 | 0.50 | 4 | 0.07 | 40 | 2.80 | |
|  Ritabrata, Chakraborty | | | 1799 | IND | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Riddhiman, Kundu | | | 1260 | IND | 0.50 | 1 | 0.26 | 40 | 10.40 | |  Tapan, Kr. Ghosh | | | 1496 | IND | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Swapnabha, Neogi | | | 1378 | IND | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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) | | | | West Bengal State Under-13 Open Chess Championship-2023 | Kolkata | IND | 2023-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1356 | 1062 | 1.50 | 3 | 0.96 | 40 | 38.40 | |
| | Sanjeeban, Mandal | | | 1548 | IND | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Tathagata, Ghosh | | | 1315 | IND | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Srianshu, Das | | | 1205 | IND | 1.00 | 1 | 0.69 | 40 | 27.60 | |
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) | | |
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