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Individual Calculations September 2009 |
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| Guga, Mircea-Alexandru Total change: 9.90 | |   |
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| Bucharest Chess Weekend - 1st edition | Bucuresti | ROU | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1814 | 1752 | 1.00 | 3 | -0.31 | 15 | -4.65 | |
|  Petrescu, Cristian | | | 2089 | ROU | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Costache, Florin-Remus | | | 1559 | ROU | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Untu, Liviu-Doru | | | 1795 | ROU | 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) | | | | Bucharest Chess Weekend - 2nd edition | Bucuresti | ROU | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1752 | 2.00 | 5 | 0.94 | 15 | 14.10 | |
|  Petrescu, Cristian | | | 2089 | ROU | 1.00 | 1 | 0.88 | 15 | 13.20 | | | Codreanu, Andrei | | | 1982 | GER | 0.00 | 1 | -0.21 | 15 | -3.15 | | | David, Alexandru-Vasile | | | 1809 | ROU | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Constantin, Dragos-Georgian | | | 2006 | ROU | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Jega, Gabriel | | | 2090 | ROU | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | Bucharest Chess Weekend - 4th edition | Bucuresti | ROU | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1752 | 2.00 | 5 | 0.03 | 15 | 0.45 | |
| | Raducanu, Andrei-Augustin | | | 2101 | ROU | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Costache, Florin-Remus | | | 1559 | ROU | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Constantin, Dragos-Georgian | | | 2006 | ROU | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Udroiu, Ion | | | 1682 | ROU | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Iordan, Constantin-Iulian | | | 1883 | ROU | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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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