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Individual Calculations February 2015 |
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| Potkin, Vladimir Total change: -2.90 | |   |
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| Tata Steel Chess Tournament 2015 - Challengers | Wijk aan Zee | NED | 2015-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2558 | 2608 | 7.00 | 13 | -0.29 | 10 | -2.90 | |
|  Salem, A.r. Saleh | g | | 2603 | UAE | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Wei, Yi | g | | 2675 | CHN | 0.00 | 1 | -0.41 | 10 | -4.10 | |  Gunina, Valentina | g | wg | 2538 | RUS | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Sevian, Samuel | g | | 2511 | USA | 0.00 | 1 | -0.63 | 10 | -6.30 | | | Klein, David | g | | 2517 | NED | 1.00 | 1 | 0.38 | 10 | 3.80 | | | L`ami, Erwin | g | | 2613 | NED | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Haast, Anne | | wm | 2352 | NED | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Shankland, Samuel L | g | | 2652 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Dale, Ari | m | | 2291 | AUS | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Navara, David | g | | 2729 | CZE | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Timman, Jan H | g | | 2593 | NED | 1.00 | 1 | 0.48 | 10 | 4.80 | | | Van Kampen, Robin | g | | 2615 | NED | 0.00 | 1 | -0.49 | 10 | -4.90 | | | Michiels, Bart | g | | 2563 | BEL | 0.50 | 1 | -0.06 | 10 | -0.60 | |
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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