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Individual Calculations February 2018 |
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| Van Foreest, Lucas Total change: 4.20 | |   |
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| Chess Festival Groningen 2017 - Open A | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2297 | 2481 | 5.50 | 9 | -0.99 | 10 | -9.90 | |
|  Priyanka, K | | | 2134 | IND | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Van Dael, Siem | f | | 2268 | NED | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Plat, Vojtech | g | | 2567 | CZE | 0.00 | 1 | -0.38 | 10 | -3.80 | | | Rahul, Srivatshav P | | | 2331 | IND | 0.00 | 1 | -0.70 | 10 | -7.00 | | | Elgersma, Simon | | | 2100 | NED | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Pel, Bonno | f | | 2247 | NED | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Kuipers, Stefan | m | | 2440 | NED | 0.00 | 1 | -0.56 | 10 | -5.60 | | | Schippers, Maurice | | | 2302 | NED | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Kokje, Joris | | | 2282 | NED | 1.00 | 1 | 0.24 | 10 | 2.40 | |
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 Challengers 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2622 | 2481 | 5.50 | 13 | 1.41 | 10 | 14.10 | |
| | Van Foreest, Jorden | g | | 2629 | NED | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Tari, Aryan | g | | 2599 | NOR | 1.00 | 1 | 0.66 | 10 | 6.60 | | | Krasenkow, Michal | g | | 2671 | POL | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Amin, Bassem | g | | 2693 | EGY | 1.00 | 1 | 0.77 | 10 | 7.70 | | | Harika, Dronavalli | g | wg | 2497 | IND | 0.50 | 1 | 0.02 | 10 | 0.20 | | | L`ami, Erwin | g | | 2634 | NED | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Vidit, Santosh Gujrathi | g | | 2718 | IND | 0.50 | 1 | 0.30 | 10 | 3.00 | | | Bok, Benjamin | g | | 2607 | NED | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Gordievsky, Dmitry | g | | 2622 | RUS | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Bluebaum, Matthias | g | | 2640 | GER | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Xiong, Jeffery | g | | 2634 | USA | 0.00 | 1 | -0.30 | 10 | -3.00 | | | Korobov, Anton | g | | 2652 | UKR | 0.50 | 1 | 0.23 | 10 | 2.30 | | | Girya, Olga | | wg | 2489 | RUS | 1.00 | 1 | 0.51 | 10 | 5.10 | |
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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