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Individual Calculations January 2009 |
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| Jalabadze, Natia Total change: 12.75 | |   |
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| European Youth Chess Championship 2008 - Girls U14 | Herceg Novi | MNE | 2008-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 2018 | 6.50 | 9 | 1.24 | 15 | 18.60 | |
|  Bengtsson, Jessica | | | 1723 | SWE | 1.00 | 1 | 0.15 | 15 | 2.25 | |  Narva, Triin | | | 1835 | EST | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Unapkoshvili, Nani | | | 1897 | GEO | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Efroimski, Marsel | | wf | 2091 | ISR | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Vasina, Olena | | | 1987 | UKR | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Lezhepekova, Veronika | | | 1889 | RUS | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Baciu, Diana | | | 2016 | MDA | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Arabidze, Meri | | wf | 2152 | GEO | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Aranaz Murillo, Amalia | | | 1959 | ESP | 1.00 | 1 | 0.42 | 15 | 6.30 | |
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 |
| 1825 | 2023 | 4.50 | 7 | -0.74 | 15 | -11.10 | |
| | Zumbulidze, Ilia | | | 1730 | GEO | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Kacharava, Lasha | | | 1851 | GEO | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Burduli, Guga | | | 1673 | GEO | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Unapkoshvili, Nani | | | 1916 | GEO | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Lomidze, Giorgi | | | 1893 | GEO | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Tsirekidze, Giorgi | | | 1840 | GEO | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Shengelia, Nikoloz | | | 1870 | GEO | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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 Youth Chess Championships 2008 - Girls 14 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 2023 | 7.00 | 11 | 0.14 | 15 | 2.10 | |
| | Havanecz, Bianka | | | 1673 | HUN | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Dizdarevic, Barbara | | | 1877 | SRB | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Neo, Xiuwen Christabel | | | 1717 | SIN | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Kats, Alena | | | 1981 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Schut, Lisa | | | 2153 | NED | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Teenu, Thomas | | | 1875 | IND | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Orlova, Yelizaveta | | | 1863 | CAN | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Bayarmaa, Bayarjargal | | | 1832 | MGL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Neuhauser, Salome | | | 1899 | FRA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Padmini, Rout | | wm | 2235 | IND | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Hakimifard, Ghazal | | wf | 2043 | IRI | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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) | | | | GEO 68 Ch (Qual) | Tbilisi | GEO | 2008-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 2023 | 5.00 | 9 | -0.64 | 15 | -9.60 | |
| | Sibashvili, Giorgi | | | 1726 | GEO | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Gurtskaia, Nikoloz | | | 1862 | GEO | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Gabunia, Tornike | | | 2013 | GEO | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Khurtsidze, Tornike | | | 1913 | GEO | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Ter-Karapetian, Alexi | | | 2197 | GEO | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Pipia, Beka | | | 1903 | GEO | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Sulamanidze, Mariam | | | 1733 | GEO | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Kumsiashvili, Nikoloz | | | 1832 | GEO | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Beradze, Irakli | | | 2098 | GEO | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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) | | | | Tigran Petrosian Memorial | Tbilisi | GEO | 2008-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 2023 | 3.00 | 6 | 0.82 | 15 | 12.30 | |
| | Lomsadze, Davit | | | 2368 | GEO | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Guramishvili, Sopiko | | wm | 2306 | GEO | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Janiashvili, Irakli | | | 2191 | GEO | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Tsatsalashvili, Keti | | wm | 2235 | GEO | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Khurtsidze, Tornike | | | 1913 | GEO | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Kumsiashvili, Nikoloz | | | 1832 | GEO | 0.00 | 1 | -0.75 | 15 | -11.25 | |
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 Women 66 Ch (I League) | Tbilisi | GEO | 2008-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2023 | 3.50 | 7 | 0.03 | 15 | 0.45 | |
| | Nikoladze, Sopio | | wm | 2245 | GEO | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Kuchava, Ana | | | 1765 | GEO | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Rizhamadze, Patman | | | 2045 | GEO | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Sulamanidze, Mariam | | | 1733 | GEO | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Arabidze, Meri | | wf | 2181 | GEO | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Anakidze, Nino | | | 1947 | GEO | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Tsatsalashvili, Keti | | wm | 2235 | GEO | 0.00 | 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) | | |
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