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Individual Calculations February 2013 |
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| Zepeda, Lorena Total change: -11.70 | |   |
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| Tata Steel Chess Tournament 2013 Weekend 2A | Wijk aan Zee | NED | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 2154 | 0.50 | 3 | -1.35 | 15 | -20.25 | |
|  Gravemaker, Wim Laurens | | | 2097 | NED | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Vesters, Melchior | | | 2009 | NED | 0.00 | 1 | -0.69 | 15 | -10.35 | |  Lesman, Francis | | | 2094 | NED | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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) | | | | Tata Steel Chess Tournament 2013 Dag 2C | Wijk aan Zee | NED | 2013-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 2154 | 2.50 | 3 | 0.57 | 15 | 8.55 | |
| | Bakker, Guido | | | 2101 | NED | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Wiege, Gerald | | | 1995 | GER | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Broekman, Willem | | | 2044 | NED | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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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