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Individual Calculations October 2021 |
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| Sieciechowicz, Marcin Total change: 25.50 | |   |
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| Guimaraes Chess Open 2021 (PCT) | Guimaraes | POR | 2021-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2251 | 2357 | 5.50 | 8 | 0.71 | 10 | 7.10 | |
|  Mize, Dylan | | | 1957 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Monteiro, Paulo Alexandre G | | | 1985 | POR | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Redondo Arguelles, Graciela | | wf | 2033 | ESP | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Grigoryan, Karen H. | g | | 2658 | ARM | 0.50 | 1 | 0.35 | 10 | 3.50 | | | Mata, Adilson | | | 1957 * | POR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Beerdsen, Thomas | m | | 2454 | NED | 1.00 | 1 | 0.63 | 10 | 6.30 | | | Perdomo, Leandro | m | | 2459 | ARG | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Kourkoulos-Arditis, Stamatis | m | | 2505 | GRE | 0.00 | 1 | -0.30 | 10 | -3.00 | | | * 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) | | | | DRUZYNOWE MISTRZOSTWA POLSKI I LIGA 2021 | Szklarska Poreba | POL | 2021-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2437 | 2362 | 5.50 | 9 | 1.84 | 10 | 18.40 | |
| | Bobula, Mateusz | m | | 2329 | POL | 1.00 | 1 | 0.45 | 10 | 4.50 | | | Tomczak, Jacek | g | | 2589 | POL | 1.00 | 1 | 0.79 | 10 | 7.90 | | | Ustianovich, Nazar | f | | 2348 | UKR | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Stachowiak, Kamil | m | | 2470 | POL | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Paszewski, Mateusz | f | | 2282 | POL | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Tomczak, Mikolaj | m | | 2435 | POL | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Kosakowski, Jakub | m | | 2445 | POL | 0.50 | 1 | 0.11 | 10 | 1.10 | | | Kovalenko, Igor | g | | 2651 | LAT | 0.50 | 1 | 0.34 | 10 | 3.40 | | | Niedbala, Bartlomiej | f | | 2380 | POL | 0.50 | 1 | 0.03 | 10 | 0.30 | |
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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