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Individual Calculations July 2023 |
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| Gatus, Edmundo Total change: -11.20 | |   |
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| 2023 Philippine National Seniors Chess Championships Grand Finals | Alicia, Isabela | PHI | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 2088 | 1.00 | 3 | -0.66 | 20 | -13.20 | |
|  Pacis, Adrian | f | | 2043 | PHI | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Garma, Chito | m | | 2274 | PHI | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Cerezo, Lionel | | | 1805 | PHI | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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) | | | | 21st ASEAN Age Group Chess Championships 2023 - Standard Open Seniors 50 - 65 | Bangkok | THA | 2023-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 2088 | 4.50 | 6 | 0.10 | 20 | 2.00 | |
| | Dang, Tat Thang | | | 2052 | VIE | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Srivatanakul, Pricha | | | 1688 * | THA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Milligan, Helen | c | wf | 1961 | NZL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Anjali, R. Sagar | | | 1637 | IND | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Damuy, Raul | | | 1674 | PHI | 0.50 | 1 | -0.43 | 20 | -8.60 | | | Ko, Ko Ohn | f | | 2168 | MYA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | * 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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