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Individual Calculations September 2021 |
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| Groen, Jari Total change: 168.00 | |   |
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| Dutch Championship 2021 U16 | Almelo | NED | 2021-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1714 | 1423 | 2.00 | 6 | 1.00 | 40 | 40.00 | |
|  Shadrin, Mitia | | | 1698 | NED | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Arnold, Lorin | | | 1651 | NED | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Achuthan, Dylan | | | 1823 * | NED | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wierenga, Jael | | | 1565 | NED | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Pham, Khoi | | | 1823 * | NED | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Van Kuijk, Vadim | | | 1722 | NED | 0.00 | 1 | -0.15 | 40 | -6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Brugse Meesters - Belgian Open Championship 2021 B-group | Brugge | BEL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1642 | 1423 | 5.00 | 8 | 3.20 | 40 | 128.00 | |
| | Sarkisian, Arman | | | 1680 | BEL | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Perdiguero Herreros, Alejandro | | | 1587 | ESP | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Cappan, Pjotr | | | 1649 | BEL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Kumar, Prayan Sai | | | 1652 | NED | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Doossche, Carlo | | | 1585 | BEL | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Degrave, Robbert | | | 1579 | BEL | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Van De Putte, Ben | | | 1725 | BEL | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Vanlommel, Maxim | | | 1675 | BEL | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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