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Individual Calculations December 2022 |
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| Pietinen, Pekka Total change: -6.00 | |   |
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| Finnish League 2022-23 Div. 1 Group 2 Round 3 | Various | FIN | 2022-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1927 | 0.50 | 1 | -0.10 | 20 | -2.00 | |
|  Karppinen, Martti | | | 1854 | FIN | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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) | | | | World Senior Championship 2022 - Over 50 | Assisi | ITA | 2022-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 1927 | 4.00 | 11 | -0.20 | 20 | -4.00 | |
| | Welling, Gerard | m | | 2255 | NED | 0.50 | 1 | 0.37 | 20 | 7.40 | |  Fiore, Mario Angelo | f | | 2213 | ITA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Schembri, Roberto | | | 1527 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Farrand, Tom | | | 2137 | JCI | 0.00 | 1 | -0.23 | 20 | -4.60 | | | De Maria, Isaia | | | 1658 | ITA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Albadri, Abd Al Sattar | c | | 2167 | IRQ | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Al-Sahlanee, Hayder A. Jaafar | f | | 2194 | IRQ | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Mueller, Max | | | 2126 | AUT | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Meyer, Gordon | | | 2204 | AUT | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Mazzamuto, Nicola | | | 2046 | ITA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Leor, Ephraim | | | 1687 | ISR | 0.00 | 1 | -0.80 | 20 | -16.00 | | | * 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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