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Individual Calculations October 2017 |
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| Jayanka, L P P R Total change: 23.80 | |   |
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| Southern International Chess Championship 2017 | Galle | SRI | 2017-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1326 | 1426 | 5.50 | 8 | 0.58 | 20 | 11.60 | |
|  Ranasinghe, Minudi Devindi | | | 1026 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Dineth, S A Induwara | | | 1147 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Lasitha, Subash | c | | 1779 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Sandupama, R K Newmi | | | 1134 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Devmin, S P Dulina | | | 1187 | SRI | 0.50 | 1 | -0.30 | 20 | -6.00 | | | De Silva, H Adeepa Virajitha | | | 1194 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Kumarawadu, C S | | | 1573 | SRI | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Abhimanyu, Iraja | | | 1569 | SRI | 0.00 | 1 | -0.31 | 20 | -6.20 | | | * 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) | | | | 3rd Negombo Chess Festival 2017 | Negombo, Sri lanka | SRI | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1361 | 1426 | 5.00 | 8 | 0.35 | 20 | 7.00 | |
| | Karunasena, H G M K Saheli Onaya | | | 1035 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Dissanayake, N F | | | 1121 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Premanath, Dinushki | | wf | 1826 * | SRI | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Dissanayake, Praveen Manodya | | | 1134 | SRI | 0.50 | 1 | -0.35 | 20 | -7.00 | | | De Silva, D M Nilanga | | | 1754 | SRI | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Liyanage, R L C Sasmitha | | | 1164 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Jayaweera, Y | | | 1738 | SRI | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Sethiya , A Vinuga | | | 1117 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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) | | | | 8th Kandy Open International Rating Chess Championship 2017 | Kandy | SRI | 2017-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1426 | 3.50 | 7 | 0.26 | 20 | 5.20 | |
| | Jayaweera, C L | | | 1715 | SRI | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Iddagoda, Nikitha | | | 1604 | SRI | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Dhrupad, Kashyap | | | 1811 | IND | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Sooriyapperuma, S V P P | | | 1110 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Jayamaha, J M L R Bandara | | | 1077 | SRI | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Wijesinghe, W M M N | | | 1220 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Tennakoon, I L K | | | 1671 | SRI | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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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