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Individual Calculations September 2012 |
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| Lucas, Melvyn Andre Total change: 14.40 | |   |
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| South African Open Chess Championships 2012 | Cape Town | RSA | 2012-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1484 | 1667 | 1.00 | 1 | 0.26 | 30 | 7.80 | |
|  Van Niekerk, Robyn | | | 1484 | RSA | 1.00 | 1 | 0.26 | 30 | 7.80 | |
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) | | | | 14 IBCA Chess Olympiad for the Blind | Chennai | IND | 2012-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1667 | 2.00 | 5 | 0.22 | 30 | 6.60 | |
| | Daza, Fernando | | | 1871 | COL | 0.00 | 1 | -0.24 | 30 | -7.20 | | | Bibikov, Yuriy | | | 2038 | KAZ | 0.00 | 1 | -0.10 | 30 | -3.00 | | | Bremer, Erik | | | 1547 | DEN | 1.00 | 1 | 0.34 | 30 | 10.20 | | | Casadei, Marco | | | 1803 | ITA | 0.00 | 1 | -0.32 | 30 | -9.60 | | | Belazzoug, Farid | | | 1698 | FRA | 1.00 | 1 | 0.54 | 30 | 16.20 | |
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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