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Individual Calculations July 2015 |
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| Efroimski, Marsel Total change: 11.20 | |   |
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| Liga Artzit Darom 2015 Round 7-9 | various | ISR | 2015-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2342 | 2244 | 1.50 | 2 | 0.76 | 20 | 15.20 | |
|  Zaslavsky, Mikhail | m | | 2426 | ISR | 0.50 | 1 | 0.24 | 20 | 4.80 | |  Lederman, Leon | m | | 2258 | ISR | 1.00 | 1 | 0.52 | 20 | 10.40 | |
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) | | | | OP Salinello | Tortoreto Lido | ITA | 2015-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2303 | 2244 | 4.50 | 9 | 0.74 | 20 | 14.80 | |
| | Guccione, Cristoforo | | | 1967 | ITA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Valsecchi, Alessio | m | | 2445 | ITA | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Pescatore, Lorenzo | f | | 2270 | ITA | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Aghayev, Miragha | f | | 2367 | ITA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Pijpers, Arthur | | | 2428 | NED | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Bruno, Fabio | m | | 2425 | ITA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Sabetta, Alessandro | | | 2006 | ITA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Sprenger, Jan Michael, Dr. | m | | 2503 | GER | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Bove, Alessandro | f | | 2318 | ITA | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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) | | | | National Women Team Championship 2015 | Beer Sheva | ISR | 2015-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 2244 | 3.00 | 4 | 0.04 | 20 | 0.80 | |
| | Brusilovski, Lena | | | 1960 | ISR | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Bejashvili, Irma | | | 1844 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Len, Irina | | wf | 2121 | ISR | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Vasiliev, Olga | | wm | 2221 | ISR | 1.00 | 1 | 0.47 | 20 | 9.40 | | | * 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) | | | | Bulgarian chess summer 2015, Albena A tournament | Albena resort | BUL | 2015-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2289 | 2244 | 3.00 | 9 | -0.98 | 20 | -19.60 | |
| | Shyam, Sundar M. | g | | 2496 | IND | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Uzumcu, Ahmet Utku | c | | 2048 | TUR | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Sarana, Alexey | | | 2444 | RUS | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Mu, Ke | | | 2386 | CHN | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Koziol, Kamil | | | 2207 | POL | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Merry, Alan B | f | | 2340 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Galunova, Tsveta | | | 2152 | BUL | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Piskur, Mitja | f | | 2294 | SLO | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Mammadova, Narmin | | wc | 2234 | AZE | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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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