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Individual Calculations February 2020 |
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| Liyanage, Kusalvin Total change: 31.20 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 15 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1378 | 3.50 | 6 | 0.38 | 40 | 15.20 | |
|  Salgado, M V Induwara | | | 1006 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Vithanage, I A | | | 1569 | SRI | 1.00 | 1 | 0.75 | 40 | 30.00 | |  Piyumantha, M Thisal Manjith | | | 1697 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Nethmina, S A Indura | | | 1532 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Senarathne, S A Daham Tharushika | | | 1118 | SRI | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Rangajeewa, M G Sachithra Sandar | | | 1204 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | |
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) | | | | Kaluthara International Chess Festival 2020 | Kaluthara | SRI | 2020-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1271 | 1453 | 6.00 | 8 | 0.40 | 40 | 16.00 | |
| | Liyanage, Sethika Linath | | | 1072 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Thanuja, Dewsara | | | 1201 | SRI | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Hendavitharana, D S | | | 1090 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Dandeniya, D D L N | | | 1214 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Lakshitha, H H Sasindu | | | 1693 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Jayawickrama, U W R K | | | 1214 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Wijerathna, Mayon Thinoth | | | 1053 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Liyanage, Pesandu Rashmitha | | | 1634 | SRI | 1.00 | 1 | 0.74 | 40 | 29.60 | | | * 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) | | |
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