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Individual Calculations May 2023 |
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| Ahana, Dutta Roy Total change: 34.00 | |   |
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| 1st All India Open International Fide Rating Chess Tournament 2023 | Kolkata | IND | 2023-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1640 | 1036 | 0.50 | 5 | 0.26 | 40 | 10.40 | |
|  Chatterjee, K.k. | | | 2085 | IND | 0.00 | 1 | 0.00 | 40 | 0.00 | |  Sanjit, Saha | | | 1672 | IND | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Paramarth, Mitra | | | 1324 | IND | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Mukherjee, Dyutimoy | | | 1625 | IND | 0.50 | 1 | 0.48 | 40 | 19.20 | | | Kishor, Kumar Saha | | | 1495 | IND | 0.00 | 1 | -0.05 | 40 | -2.00 | |
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) | | | | West Bengal State Junior (U-19) Girls Fide Rated Chess Championship-2023 | Kolkata | IND | 2023-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1398 | 1036 | 1.50 | 5 | 0.59 | 40 | 23.60 | |
| | Mrittika, Mallick | | | 1828 | IND | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Debapriya, Manna | | | 1566 | IND | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Diya, Ghosh | | | 1159 | IND | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Suravi, Bhattacharya | | | 1327 | IND | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Aditri, Bag | | | 1109 | IND | 0.50 | 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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