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Individual Calculations February 2019 |
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| Kotuwella, Sashmitha N Bandara Total change: -44.40 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 11 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1228 | 1164 | 1.00 | 4 | -0.73 | 40 | -29.20 | |
|  Dissanayaka, Yadeesha Rashmane | c | | 1488 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Tennakoon, T M Rithil Nethmitha | | | 1028 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | |  Basnayake, B M Thesandu Aken | | | 1301 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Insara, S D Nadev | | | 1095 | SRI | 0.00 | 1 | -0.60 | 40 | -24.00 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1376 | 1164 | 0.50 | 3 | -0.38 | 40 | -15.20 | |
| | De Silva, Shelani | | | 1564 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mayadunna, D Thimesh | | | 1001 | SRI | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Jayarathne, M N G | | | 1564 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | |
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