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Individual Calculations November 2015 |
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| Alahakoon, Isuru Total change: -22.40 | |   |
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| 12th IGB Dato Arthur Tan Malaysian Open Chess Championship 2015 | Kuala Lumpur | MAS | 2015-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 2042 | 3.50 | 9 | -0.54 | 20 | -10.80 | |
|  Gonzales, Jayson | g | | 2379 | PHI | 0.50 | 1 | 0.38 | 20 | 7.60 | |  Purnama, Tirta Chandra | m | | 2372 | INA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Eri, Purnama | | | 2129 | INA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Chan, Kim Yew | | | 1850 | MAS | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Jones, Lee | f | | 2102 | AUS | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Nithyalakshmi, Sivanesan | | | 1801 | MAS | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Suelo, Roberto Jr. | | | 2130 | PHI | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Lim, Cassandra | | | 1661 | AUS | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Hague, Ben | f | | 2321 | NZL | 0.00 | 1 | -0.16 | 20 | -3.20 | |
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) | | | | Negombo Chess Festival 2015 | Negombo | SRI | 2015-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 2042 | 6.00 | 8 | -0.58 | 20 | -11.60 | |
| | Jayathunga, G D Pasindu | | | 1642 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thivakaran, T | | | 1642 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayaweera, C L | | | 1678 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Prabajith, Asela | | | 1793 | SRI | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Gunarathna, D A Viraj Darshana | | | 1642 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nanayakkara, J A K Saranath | | | 1749 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Ranasinghe, S D | | wm | 1763 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Galappaththi, Chinthaka Anuruddh | f | | 2102 | SRI | 0.00 | 1 | -0.42 | 20 | -8.40 | | | * 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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