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Individual Calculations February 2019 |
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| Shakhverdian, William Total change: 66.40 | |   |
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| Chess Festival Groningen 2018 - Compact A | Groningen | NED | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 1883 | 2.50 | 5 | 0.92 | 40 | 36.80 | |
|  Mijnheer, Peter | | | 2076 | NED | 0.50 | 1 | 0.25 | 40 | 10.00 | |  Wolferink, Frans | | | 2089 | NED | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Kanis, Sierk | | | 1954 | NED | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Reinders, Joan | | | 1913 | NED | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Van Putten, Henk | | | 2090 | NED | 0.50 | 1 | 0.27 | 40 | 10.80 | |
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) | | | | Tata Steel Chess Tournament 2018 - Weekendvierkampen | Wijk aan Zee | NED | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1883 | 2.00 | 2 | 0.74 | 40 | 29.60 | |
| | Meuwissen, Marc | | | 1875 | NED | 1.00 | 1 | 0.49 | 40 | 19.60 | | | De Vries, Leon | | | 1692 | NED | 1.00 | 1 | 0.25 | 40 | 10.00 | |
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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