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Individual Calculations January 2009 |
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| Janiashvili, Irakli Total change: 23.10 | |   |
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| European Youth Chess Championship 2008 - Boys U16 | Herceg Novi | MNE | 2008-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 2192 | 5.50 | 9 | -0.34 | 15 | -5.10 | |
|  Skrinjar, Matic | | | 1867 | SLO | 0.00 | 1 | -0.87 | 15 | -13.05 | |  Pedersen, Nicolai Kvist Brondt | | | 1967 | DEN | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Baturina, Andrija | | | 2060 | CRO | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Petenyi, Tamas | | | 2289 | SVK | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Sieciechowicz, Marcin | | | 2311 | POL | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Mordechai, Hanan | | | 2072 | ISR | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Woods, Connor | | | 1934 | SCO | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Manasyan, Haik | | | 2048 | ARM | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Ketzetzis, Georgios | | | 2099 | GRE | 1.00 | 1 | 0.37 | 15 | 5.55 | |
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) | | | | Int. Festival "IGI" U-16 | Tbilisi | GEO | 2008-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 2191 | 5.50 | 7 | 0.07 | 15 | 1.05 | |
| | Kobeshavidze, Lika | | | 1841 | GEO | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Ervandian, Andro | | | 1910 | GEO | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Khurtsidze, Tornike | | | 1913 | GEO | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Shengelia, Nikoloz | | | 1870 | GEO | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Nikolashvili, Giorgi | | | 2244 | GEO | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Merabishvili, Alexandre | | | 1905 | GEO | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Volkov, Nika | | | 2020 | GEO | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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) | | | | GEO 68 Ch (Qual) | Tbilisi | GEO | 2008-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2191 | 7.50 | 9 | 1.12 | 15 | 16.80 | |
| | Chkuaseli, Revaz | | | 1841 | GEO | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Lomidze, Giorgi | | | 1893 | GEO | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Kerashvili, Giorgi | | | 1975 | GEO | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Javakhadze, Zurab | | | 2182 | GEO | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Bakhtadze, Levan | | | 2116 | GEO | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Ter-Karapetian, Alexi | | | 2197 | GEO | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Kekelidze, Nino | | | 2007 | GEO | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Tsereteli, Kakhaber | | | 1963 | GEO | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Gabunia, Tornike | | | 2013 | GEO | 0.50 | 1 | -0.23 | 15 | -3.45 | |
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) | | | | Tigran Petrosian Memorial | Tbilisi | GEO | 2008-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 2191 | 4.50 | 7 | 0.69 | 15 | 10.35 | |
| | Sibashvili, Giorgi | | | 1841 | GEO | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Vakhania, Alexandra | | | 2161 | GEO | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Batsiashvili, Nino | | wg | 2359 | GEO | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Jalabadze, Natia | | | 2023 | GEO | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Ter-Karapetian, Armen | | | 2117 | RUS | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Guramishvili, Sopiko | | wm | 2306 | GEO | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Tsatsalashvili, Keti | | wm | 2235 | GEO | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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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