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Individual Calculations October 2017 |
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| Jayasundara, J M N T B Total change: -33.60 | |   |
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| 3rd Negombo Chess Festival 2017 | Negombo, Sri lanka | SRI | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1210 | 1167 | 4.00 | 9 | -0.06 | 40 | -2.40 | |
|  Kiriella, K G Gimantha Gayasha | | | 1417 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Saravanabaavan, Yughatharoon | | | 1107 | SRI | 1.00 | 1 | 0.42 | 40 | 16.80 | |  Jayasinghe, Thenugi Dilanya | | | 1143 | SRI | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Perera, D G D Y Adeekshana | | | 1227 | SRI | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Dissanayake, Manusha Dinuk | | | 1456 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Herath, H M T H | | | 1182 | SRI | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Liyanage, K G | | | 1108 | SRI | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Samaranayaka, M L G | | | 1146 | SRI | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Rathnakumara, H M T N | | | 1105 | SRI | 0.00 | 1 | -0.59 | 40 | -23.60 | |
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) | | | | 8th Kandy Open International Rating Chess Championship 2017 | Kandy | SRI | 2017-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1157 | 1167 | 1.00 | 4 | -1.06 | 40 | -42.40 | |
| | Indusara, M G Janitha | | | 1297 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Chamathka, Weerasinghe A Chethan | | | 1131 | SRI | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Kumarasinghe, Minuli | | | 1074 | SRI | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Herath, H M D A B | | | 1127 | SRI | 0.50 | 1 | -0.06 | 40 | -2.40 | |
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 Inter University Chess Championship 2017 | Nugegoda | SRI | 2017-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1334 | 1167 | 1.50 | 4 | 0.28 | 40 | 11.20 | |
| | Weerasinghe, W M Sathira M | | | 1320 | SRI | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Munasinghe, Shanaka | | | 1567 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Silva, Dewalamuni Achela | | | 1270 | SRI | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Jayasinghe, J M A D | | | 1178 | SRI | 0.50 | 1 | 0.02 | 40 | 0.80 | | | * 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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