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Individual Calculations December 2022 |
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| Prapti, Dholay Total change: 6.80 | |   |
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| West Bengal State Senior FIDE Rated Open Chess Championship-2022 | Kolkata | IND | 2022-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1507 | 1133 | 0.00 | 3 | -0.38 | 40 | -15.20 | |
|  Oishik, Kundu | | | 1507 | IND | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Mukherjee, Dyutimoy | | | 1689 | IND | 0.00 | 1 | -0.03 | 40 | -1.20 | |  Sudipta, Sadhu | | | 1326 | IND | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | 3rd DDDBCA Open FIDE Rating Chess Tournament-2022 | Kolkata | IND | 2022-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1395 | 1141 | 2.00 | 6 | 0.84 | 40 | 33.60 | |
| | Amit, Tiwari | | | 1454 | IND | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Shreeyash, Kejriwal | | | 1397 | IND | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Pratyush, Kumar | | | 1469 | IND | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Atrinjay, Saha | | | 1367 | IND | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Chouhan, N.c. | | | 1376 | IND | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Pratish, Raj | | | 1306 | IND | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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) | | | | West Bengal State Under-13 Girls Chess Championship-2022 | Kolkata | IND | 2022-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1089 | 1141 | 2.00 | 4 | -0.29 | 40 | -11.60 | |
| | Suneli, Bera | | | 1011 | IND | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Vipassana, Lama | | | 1088 | IND | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Kathakali, Dey | | | 1223 | IND | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Raima, Bhattacharjee | | | 1034 | IND | 0.50 | 1 | -0.15 | 40 | -6.00 | |
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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