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Rapid:
Individual Calculations April 2019 |
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| Khantree, Napat Total change: 3.20 | |   |
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| SEA Games Rapid Chess Qualifier 2019, Preliminary Rounds, CM, Ladies | Chiang Mai | THA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1239 | 1013 | 2.00 | 6 | 0.63 | 20 | 12.60 | |
|  Phitchayarom, Ruja | | wc | 1413 * | THA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sangkham, Irada | | | 1198 | THA | 1.00 | 1 | 0.74 | 20 | 14.80 | |  Sangkham, Yanapa | | | 1145 | THA | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Thongsuk, Supawaree | | | 1279 | THA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Bootsumran, Sirin | | | 1122 | THA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Prommuang, Araya | | wc | 1278 | THA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | * 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) | | | | 101 4th Rapid Int'l School Chess Championship 2019 - U12 | Bangkok | THA | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1226 | 1013 | 0.50 | 4 | -0.47 | 20 | -9.40 | |
| | Tangsunawan, Tada | | | 1335 | THA | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Yongvanich, Kunthee | | | 1229 | THA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Samatthanan, Jirath | | | 1305 | THA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Titapiwatanakun, Boonjertpan | | | 1034 | THA | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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) | | |
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