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Individual Calculations February 2013 |
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| Zhak, Boris Total change: 24.75 | |   |
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| Christmas Crimea – 2012 | Simferopol | UKR | 2012-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 1921 | 5.00 | 9 | 2.00 | 15 | 30.00 | |
|  Iljaguev, Hanuko | | | 1817 | UKR | 1.00 | 1 | 0.36 | 15 | 5.40 | |  Jary, Sergey | | | 2321 * | UKR | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Shemeakin, Alexander | m | | 2299 | UKR | 0.50 | 1 | 0.41 | 15 | 6.15 | | | Abkadyrov, Fevzi | | | 1928 | UKR | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Savvopulo, Anatolij | | | 2097 | UKR | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Semukhin, Mihail | | | 2000 | UKR | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Volkov, Igor | | | 1989 | UKR | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Tihonov, Gennady | | | 1967 | UKR | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Arkhipov, Vladimir | | | 2172 | UKR | 0.50 | 1 | 0.31 | 15 | 4.65 | | | * 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) | | | | Cup of President Nikolaev chess federation - B | Nikolaev | UKR | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1921 | 0.50 | 2 | -0.35 | 15 | -5.25 | |
| | Arkhipov, Vladimir | | | 2172 | UKR | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Shelest, Nikolai | | | 1801 | UKR | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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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