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Individual Calculations March 2018 |
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| Devnaka, Chamin Total change: 78.80 | |   |
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| Kaluthara International Chess Festival 2018 | Kaluthara | SRI | 2018-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1378 | 1238 | 2.50 | 6 | 0.42 | 40 | 16.80 | |
|  Abhimanyu, Iraja | | | 1466 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | |  Kandearachchi, Niranga | | | 1638 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kalinga, Kalindu Kusalwin | | | 1470 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Perera, G Poorna Udara Dhananjay | | | 1045 | SRI | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Piyantha, M A G A | | | 1083 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Gamage, Ovin Vidmal | | | 1568 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | * 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 National (Major Division) Chess Championship 2018 - Colombo Event | Colombo | SRI | 2018-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1480 | 1306 | 3.50 | 6 | 1.55 | 40 | 62.00 | |
| | Ilampoornan, Raguparan | | | 1706 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Silva, Kevin Ranidu | c | | 1670 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Perera, Derrick V. | | | 1706 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Fernando, J S Aloka | | | 1654 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Wimaladharma, W Jithain Oshadha | | | 1117 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Rajapaksha, Sethum Damhiru | | | 1029 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | * 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) | | |
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