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Individual Calculations February 2023 |
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| Madurawala, M G D S Shanuka Total change: 88.00 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1120 | 4.00 | 8 | 2.72 | 40 | 108.80 | |
|  Gunasekara, W A N Senpathi | | | 1511 | SRI | 1.00 | 1 | 0.91 | 40 | 36.40 | |  Francis, U M Senal Vishmin | | | 1371 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Suranjith, K W A | | | 1547 | SRI | 1.00 | 1 | 0.93 | 40 | 37.20 | | | Kalubowila, K H N | | | 1609 | SRI | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Ramanayake, Nemindi Linaya | | | 1365 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Bandara, Prathibha Nethsarani | | | 1285 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Hansada, J G Disindu | | | 1335 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Thennakoon, Disara | | | 1384 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1512 | 1120 | 0.00 | 4 | -0.52 | 40 | -20.80 | |
| | Sivathanujan, S | | | 1849 | SRI | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Abiru, K A Aken | | | 1309 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Hansana, G Haritha | c | | 1489 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Herath, H M S S A | | | 1399 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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) | | |
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