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Individual Calculations January 2019 |
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| O`shea, Colm Total change: 14.40 | |   |
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| 10th CSC London Chess Classic: 5-Day Under 2050 | London | ENG | 2018-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 1703 | 1.50 | 5 | 0.05 | 40 | 2.00 | |
|  Bird, Joel | | | 1938 | ENG | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Hubbard, Michael | | | 1972 | ENG | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Fantana, Marin-Dumitru | | | 1871 | ROU | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Medworth, Andrew | | | 1593 | ENG | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Gudenas, Motiejus | | | 2008 | SCO | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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) | | | | 10th CSC London Chess Classic: Weekend Under 1825 | London | ENG | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1656 | 1703 | 2.00 | 3 | 0.31 | 40 | 12.40 | |
| | Ong, Weng Yan | | | 1564 | MAS | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Hortin, Matthew J | | | 1819 | ENG | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Ofstad, Johannes | | | 1585 | NOR | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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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