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Individual Calculations February 2017 |
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| Piatkowski, Krzysztof Total change: -80.00 | |   |
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| Ogolnopolski Turniej Szachowy Tu Powstala Polska - Grupa b | Gniezno | POL | 2016-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1164 | 1375 | 2.50 | 5 | -1.28 | 40 | -51.20 | |
|  Kaminska, Maria | | | 1064 | POL | 1.00 | 1 | 0.14 | 40 | 5.60 | |  Kruszynski, Jacek | | | 1227 | POL | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Lazniewska, Zofia | | | 1110 | POL | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Kruszynski, Lukasz | | | 1348 | POL | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Roszkiewicz, Zofia | | | 1072 | POL | 0.50 | 1 | -0.36 | 40 | -14.40 | |
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) | | | | IV Bozonarodzeniowy Turniej Szachowy | Poznan | POL | 2017-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1371 | 1390 | 2.00 | 5 | -0.72 | 40 | -28.80 | |
| | Hanusek, Sebastian | | | 1790 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jaloszynski, Ryszard | | | 1208 | POL | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Lakowski, Krzysztof | | | 1261 | POL | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Lakowski, Filip | | | 1166 | POL | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Kaluzny, Stanislaw | | | 1428 | POL | 0.00 | 1 | -0.45 | 40 | -18.00 | | | * 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) | | |
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