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Individual Calculations January 2011 |
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| Oh, Minah Total change: -36.80 | |   |
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| 5th Korea Chess League | Seoul | KOR | 2010-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1630 | 1517 | 1.00 | 6 | -1.25 | 25 | -31.25 | |
|  Kim, Hyoyoung | | | 1355 | KOR | 0.00 | 1 | -0.71 | 25 | -17.75 | | | Ahn, Sungjin | | | 1784 | KOR | 0.00 | 1 | -0.18 | 25 | -4.50 | |  Chung, Sunghoon | | | 1812 | KOR | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Beukenhorst, Edo | | | 1917 * | BEL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Park, Jinwoo | | | 1272 | KOR | 1.00 | 1 | 0.20 | 25 | 5.00 | | | Jang, Jaewon | | | 1641 | KOR | 0.00 | 1 | -0.33 | 25 | -8.25 | | | * 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) | | | NOTE: K factor changed | | World Youth Chess Championships 2010 - Girls under 14 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1517 | 0.50 | 5 | -0.37 | 15 | -5.55 | |
| | Chiang, Sarah | | wc | 1864 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Bitalzadeh, Mahsa | | | 1820 | NED | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Velikic, Adela | | | 1797 | SRB | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Leonardi, Caterina | | | 1699 | SLO | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Rostamian, Saba | | | 1755 | IRI | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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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