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Individual Calculations January 2018 |
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| Pereira, Desirra Total change: -10.00 | |   |
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| 18th ASEAN Age Group Open Chess Championship 2017 (Standard Girls UNDER-12) | Kuantan | MAS | 2017-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1222 | 1187 | 1.00 | 2 | 0.09 | 40 | 3.60 | |
|  Salihin, Hannah Farisah | | | 1305 | MAS | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Arumugam, Sanjaanah | | | 1139 | MAS | 0.00 | 1 | -0.57 | 40 | -22.80 | |
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) | | | | 4th Johor International Chess Challenger Open 2017 | Johor | MAS | 2017-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1570 | 1218 | 0.00 | 3 | -0.34 | 40 | -13.60 | |
|  Ahmad Fahmi, Ahmad Faizal | | | 1559 | MAS | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Hairul, Muhd Ilhan Mansiz | | | 1546 | MAS | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Wirawan, Nadya Deandra | | | 1605 | INA | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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) | | |
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