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Individual Calculations March 2015 |
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| Nethsara, W M Daham Total change: -1.60 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1443 | 1181 | 1.50 | 6 | 0.38 | 40 | 15.20 | |
|  Askey, Roshell Nathasha | | | 1581 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nonis, P A R R | | | 1505 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Ranasinghe, Anuga Gavindith | | | 1418 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Perera, U I Himal | | | 1410 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Wijerathne, Surath | | | 1394 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Madurapperuma, M A D Maheshika L | | | 1352 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | * 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) | | | | Sri Lanka Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1383 | 1160 | 0.50 | 4 | -0.42 | 40 | -16.80 | |
| | Lakmal, M A C | | | 1531 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Naushad, Thalaal | | | 1339 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Jayatissa, Chanuth Devnaka | | | 1302 | SRI | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Tharanga, B Nalin | | | 1358 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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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