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Individual Calculations February 2015 |
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| Collins, Sam E. Total change: 1.30 | |   |
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| Lisbon Christmas International Chess Open | Lisboa | POR | 2014-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2286 | 2490 | 6.50 | 9 | -0.23 | 10 | -2.30 | |
|  Figuero Toro, Julian Francisco | | | 2233 | ESP | 1.00 | 1 | 0.18 | 10 | 1.80 | |  Silva, Luis Neves Da | f | | 2306 | POR | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Sipila, Vilka | m | | 2412 | FIN | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Wegerle, Joerg | m | | 2440 | GER | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Picard, Romain | m | | 2363 | FRA | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Berry, Neil | f | | 2225 | SCO | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Shamima, Akter Liza | | wm | 2158 | BAN | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Aranaz Murillo, Amalia | | wm | 2344 | ESP | 0.50 | 1 | -0.20 | 10 | -2.00 | | | Pereira, Antonio Pedro Caramez | | | 2090 * | POR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | 4NCL 2014-15 Rounds 3-4 | Various | ENG | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2440 | 2490 | 1.50 | 2 | 0.36 | 10 | 3.60 | |
| | Cobb, James | m | | 2423 | WLS | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Wells, Peter | g | | 2457 | ENG | 0.50 | 1 | -0.05 | 10 | -0.50 | |
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) | | |
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