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Individual Calculations February 2020 |
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| Harff, Marcel Total change: -11.90 | |   |
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| XXXI International Chess Open Roquetas de Mar 2020 | Roquetas de Mar | ESP | 2020-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2180 | 2369 | 5.50 | 9 | -0.88 | 10 | -8.80 | |
|  Srimathi, R | | | 1969 * | IND | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Lorente Serrano, Rosa Adela | | | 1969 * | ESP | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Pridorozhni, Aleksei | g | | 2601 | RUS | 0.00 | 1 | -0.21 | 10 | -2.10 | | | Arjun, C Krishnamachari | | | 2183 | IND | 0.00 | 1 | -0.74 | 10 | -7.40 | | | Samuel Lares, Jairo | | | 2063 | ESP | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Shahil, Dey | c | | 2148 | IND | 0.00 | 1 | -0.78 | 10 | -7.80 | | | Larsen, Harald | | | 2000 | BEL | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Gomez Sanjuan, Hector Fernando | | | 2173 | ESP | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Klekowski, Maciej | m | | 2515 | POL | 0.50 | 1 | 0.20 | 10 | 2.00 | | | * 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) | | | | Belgian Interclubs 2019-2020 Round 6 | Various | BEL | 2020-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 2369 | 0.50 | 1 | -0.31 | 10 | -3.10 | |
| | Osterwald, Elwin | | | 2123 | NED | 0.50 | 1 | -0.31 | 10 | -3.10 | |
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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