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Individual Calculations November 2015 |
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| Piyumantha, M Thisal Manjith Total change: 5.60 | |   |
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| Buddhi International Rating Chess Championship 2015 | Gampaha | SRI | 2015-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1552 | 1254 | 1.00 | 5 | 0.23 | 40 | 9.20 | |
|  Kumari, S C T | | | 1606 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | |  Balasuriya, Sajini Hasara | | | 1489 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Lahiru, N P G Sithija | | | 1571 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Perera, L Lithmal Wansika | | | 1610 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Tharushi, T H D Niklesha | | | 1485 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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) | | | | Negombo Chess Festival 2015 | Negombo | SRI | 2015-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1428 | 1301 | 1.00 | 3 | -0.09 | 40 | -3.60 | |
| | Lakshitha, H H Sasindu | | | 1701 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Pallewela, Yasiru Nikhila | | | 1034 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Suranjith, K W A | | | 1548 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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