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Individual Calculations July 2015 |
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| Tan, Yi Ern Merrick Total change: -33.60 | |   |
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| 11th Asian Schools Chess Championships 2015 - Open Under-9 | Singapore | SGP | 2015-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1538 | 1524 | 1.00 | 2 | 0.03 | 40 | 1.20 | |
|  Gukesh, D | | | 1772 | IND | 0.00 | 1 | -0.19 | 40 | -7.60 | | | De Silva, L M S T | | | 1304 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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) | | | | 16th Asean+ Age Group Chess Championships 2015 - Open Under-10 | Singapore | SGP | 2015-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1499 | 0.00 | 2 | -0.87 | 40 | -34.80 | |
|  Zuo, Yifan | | | 1822 | CHN | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Ruhaan, Mahindru | | | 1312 | IND | 0.00 | 1 | -0.74 | 40 | -29.60 | |
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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