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Individual Calculations January 2009 |
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| Mangiashvili, Otar Total change: 54.85 | |   |
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| Int. Festival "IGI" U-16 | Tbilisi | GEO | 2008-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1703 | 2.50 | 5 | 1.03 | 25 | 25.75 | |
|  Kerashvili, Giorgi | | | 1975 | GEO | 0.00 | 1 | -0.17 | 25 | -4.25 | |  Rizhamadze, Patman | | | 2045 | GEO | 1.00 | 1 | 0.88 | 25 | 22.00 | | | Tevzadze, Mariam | | | 1769 | GEO | 0.50 | 1 | 0.09 | 25 | 2.25 | | | Ugulava, Lela | | | 1979 | GEO | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Chakvetadze, Dea | | | 1632 | GEO | 1.00 | 1 | 0.40 | 25 | 10.00 | |
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) | | | | GEO 68 Ch (Qual) | Tbilisi | GEO | 2008-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 1703 | 3.00 | 7 | 1.59 | 25 | 39.75 | |
| | Kerashvili, Giorgi | | | 1975 | GEO | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Nadirashvili, Shalva | | | 1913 | GEO | 0.50 | 1 | 0.27 | 25 | 6.75 | | | Tedoshvili, Dimitri | | | 1879 | GEO | 1.00 | 1 | 0.73 | 25 | 18.25 | | | Merabishvili, Alexandre | | | 1905 | GEO | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Suladze, Amiran | | | 2028 | GEO | 1.00 | 1 | 0.87 | 25 | 21.75 | | | Gabunia, Tornike | | | 2013 | GEO | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Unapkoshvili, Nani | | | 1916 | GEO | 0.00 | 1 | -0.23 | 25 | -5.75 | |
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) | | | NOTE: K factor changed | | Tigran Petrosian Memorial | Tbilisi | GEO | 2008-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1703 | 0.00 | 4 | -0.71 | 15 | -10.65 | |
| | Vakhania, Alexandra | | | 2053 | GEO | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Khelaia, Giorgi | | | 2053 | GEO | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Sirbiladze, Demur | | | 1994 | GEO | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Tsomaia, Merab | | | 1823 | GEO | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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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