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Individual Calculations February 2020 |
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| Dranka, Jowita Total change: -63.80 | |   |
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| International Chess Festival VARSOVIA 2019 - group B | Warszawa | POL | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1698 | 1574 | 1.50 | 9 | -1.66 | 20 | -33.20 | |
|  Ciechonski, Piotr | | | 1754 | POL | 0.50 | 1 | 0.24 | 20 | 4.80 | |  Ivanov, Vladimir A. | | | 1974 * | UKR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sidorczuk, Dominik | | | 1650 | POL | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Serra Azul Neto, Francisco | | | 1868 | BRA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Serafin, Jerzy | | | 1592 | POL | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Rejniak, Zuzanna | | | 1692 | POL | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Lazniewski, Tadeusz | | | 1515 | POL | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Mazurek, Jerzy | | | 1662 | POL | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Karhula, Sandro | | | 1575 | FIN | 0.00 | 1 | -0.50 | 20 | -10.00 | | | * 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) | | | | IV DLS Okreg Walbrzyski 2019-2020 Round 6-9 | Dolny Slask | POL | 2020-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1445 | 1581 | 0.50 | 3 | -1.53 | 20 | -30.60 | |
| | Tarawski, Adrian | | | 1547 | POL | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Szuber, Dawid | | | 1447 | POL | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Moszumanski, Jerzy | | | 1342 | POL | 0.00 | 1 | -0.80 | 20 | -16.00 | |
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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