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Individual Calculations May 2017 |
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| Perera, D Upashan L Total change: 68.80 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1392 | 1333 | 2.50 | 4 | 0.70 | 40 | 28.00 | |
|  Samaranayake, K P R N | | | 1733 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Gamage, Mesanda | | | 1063 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Padukka, P V Gayuru Hansana | | | 1157 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Deshappriya, D Kalindu | | | 1613 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 14 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1277 | 1333 | 5.00 | 7 | 1.02 | 40 | 40.80 | |
| | Gunasekara, Chaniru Hansana Abey | | | 1119 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Hewage, Hesandu Hansana | | | 1099 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Adimali, Uvindu Nipunitha | | | 1147 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Pathirana, Malan | | | 1555 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Nethsara, W M Daham | | | 1517 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Alawathura, D D S S | | | 1111 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Asmone, Ilham Faheth | | | 1389 | SRI | 1.00 | 1 | 0.58 | 40 | 23.20 | |
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) | | |
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