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Individual Calculations November 2023 |
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| Jion, Ghosh Total change: 79.60 | |   |
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| 4th DDDBCA Open Rating Tournament | Kolkata | IND | 2023-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1721 | 1317 | 3.00 | 6 | 2.31 | 40 | 92.40 | |
|  Ritabrata, Chakraborty | | | 1799 | IND | 0.50 | 1 | 0.45 | 40 | 18.00 | |  Saptorshi, Gupta | | | 2092 | IND | 0.50 | 1 | 0.50 | 40 | 20.00 | | | Ayush, Das | | | 1583 | IND | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Chitrak, Naha | | | 1547 | IND | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Soumyajit, Das (jr) | | | 1713 | IND | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Arghya, Sen | | | 1591 | IND | 0.50 | 1 | 0.33 | 40 | 13.20 | |
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 |
| 1264 | 1317 | 2.50 | 5 | -0.32 | 40 | -12.80 | |
| | Sanjeeban, Mandal | | | 1548 | IND | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Arhashirsha, Biswas | | | 1541 | IND | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Somraj, Dey | | | 1111 | IND | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Samya, Sarkar | | | 1064 | IND | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Pratyush, Saha | | | 1058 | IND | 0.50 | 1 | -0.32 | 40 | -12.80 | |
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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