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Individual Calculations January 2010 |
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| Najwa, Jiahui Rujok Total change: -20.75 | |   |
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| World Youth Chess Championship-u14g | Antalya | TUR | 2009-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1733 | 1.50 | 6 | -0.99 | 25 | -24.75 | |
|  Severina, Maria | | | 2008 | RUS | 0.00 | 1 | -0.17 | 25 | -4.25 | |  Premanath, Dinushki | | | 1819 | SRI | 0.50 | 1 | 0.12 | 25 | 3.00 | | | Azizbekyan, Arpi | | | 1699 | ARM | 0.00 | 1 | -0.55 | 25 | -13.75 | | | Yanjinlkham, Bayarsaikhan | | | 1840 | MGL | 0.50 | 1 | 0.15 | 25 | 3.75 | | | Gurcan, Aytolun | | | 1641 | TUR | 0.50 | 1 | -0.13 | 25 | -3.25 | | | Kaliadzich, Maryia | | | 1801 | BLR | 0.00 | 1 | -0.41 | 25 | -10.25 | |
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) | | | | Commonwealt Age Group Championships 2009 - Open U20/U16 | Singapore | SIN | 2009-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 1733 | 0.50 | 2 | 0.16 | 25 | 4.00 | |
| | Lalith, Babu M.r. | m | | 2133 * | IND | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Aparna, Raja | | | 1921 | IND | 0.50 | 1 | 0.24 | 25 | 6.00 | | | * 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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