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Individual Calculations January 2010 |
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| Koh, Jonathan Total change: -21.90 | |   |
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| National Junior Training T4 Gold 2009 | Singapore | SIN | 2009-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 2211 | 1.50 | 3 | 0.12 | 15 | 1.80 | |
|  Lo, Kin Mun Dominic | f | | 2184 | SIN | 0.50 | 1 | -0.04 | 15 | -0.60 | |  Lo, Kin Mun Dominic | f | | 2184 | SIN | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Chan, Wei Xuan Timothy | f | | 2363 | SIN | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | Commonwealth Open Championships 2009 | Singapore | SIN | 2009-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2153 | 2211 | 3.00 | 8 | -1.58 | 15 | -23.70 | |
| | Mas, Hafizulhelmi | m | | 2419 | MAS | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Lee, Kim Han Edward | | | 2114 | MAS | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Stojic, Dusan | | | 2201 | AUS | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Mitali, Madhukar Patil | | wf | 2007 | IND | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Dole, Anant | | | 2060 | RSA | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Solomons, Anzel | | wm | 1954 | RSA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Neubronner, Jarred | c | | 2215 | SIN | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Chua, Zheng Yuan Terry | f | | 2256 | SIN | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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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