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Individual Calculations February 2013 |
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| Groot, Ron Total change: 37.80 | |   |
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| Tata Steel Chess Tournament 2013 Weekend 3R | Wijk aan Zee | NED | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1909 | 2.00 | 3 | 0.87 | 30 | 26.10 | |
|  Gerlagh, Joris | | | 1930 | NED | 0.50 | 1 | 0.03 | 30 | 0.90 | |  Hartmann, Thomas | | | 2023 | GER | 1.00 | 1 | 0.66 | 30 | 19.80 | | | Tissink, Arjan | | | 2046 | NED | 0.50 | 1 | 0.18 | 30 | 5.40 | |
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 3F | Wijk aan Zee | NED | 2013-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 1909 | 1.00 | 2 | 0.39 | 30 | 11.70 | |
| | Algera, Simon | | | 2085 | NED | 0.00 | 1 | -0.27 | 30 | -8.10 | | | Van Dorsselaer, Jan | | | 2023 | NED | 1.00 | 1 | 0.66 | 30 | 19.80 | |
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) | | |
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