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Individual Calculations December 2019 |
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| Serafim Junior, Arnor Total change: -13.20 | |   |
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| Campeonato Panamericano Amateur U2000 2019 | San Jose | CRC | 2019-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1776 | 1844 | 4.50 | 9 | -0.69 | 20 | -13.80 | |
|  Wong Velis, Francisco Jesus | c | | 1685 | PER | 0.50 | 1 | -0.21 | 20 | -4.20 | |  Espitia Torres, Mateo | | | 1713 | CRC | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Carvajal Alarcon, Jose Arturo | | | 1928 | MEX | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Solano Cordero, Jorge | | | 1845 | CRC | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Estrada, Walter | | | 1966 | COL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Del Giudice, Juan Eduardo | | | 1991 | ARG | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Carrillo Marval, Maria Angelica | | wc | 1731 | PAN | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Mena Brenes, Deivid | | | 1444 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Diaz Charpentier, Kristel Meliss | | | 1679 | CRC | 1.00 | 1 | 0.28 | 20 | 5.60 | | | * 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) | | | | World Senior Chess Championship 2019 - Open 50 | Bucuresti | ROU | 2019-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 1826 | 4.00 | 11 | 0.03 | 20 | 0.60 | |
| | Kolesar, Milan | f | | 2177 | SVK | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Cetinkaya, Vedat Ali | | | 2046 | TUR | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Gebhardt, Uwe | | | 1943 | GER | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Panush, Viktor | m | | 1933 | MDA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Brown, Steven A | | | 1991 | SCO | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Giulian, Rosemary A | | | 1922 | SCO | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Mittermaier, Christian | | | 1681 | AUT | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Arandjelovic, Aleksandar Z | | | 1921 | SRB | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Cubas Pons, Juan Miguel | f | | 2203 | ESP | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Muzzaffar, Ahmad | | | 1803 | MAS | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Buciu, Aurel-John | c | | 1741 | AUS | 1.00 | 1 | 0.38 | 20 | 7.60 | |
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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