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Individual Calculations January 2010 |
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| Porfireanu, Serban Total change: -119.40 | |   |
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| Mihai Radulescu Memorial | Bucuresti | ROU | 2009-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 2153 | 4.00 | 9 | -2.90 | 15 | -43.50 | |
|  Jega, Gabriel | | | 2052 | ROU | 0.00 | 1 | -0.64 | 15 | -9.60 | |  Dolana, Andrei-Theodor | | | 1843 | ROU | 0.50 | 1 | -0.36 | 15 | -5.40 | | | Dumitrescu, Madalina-Alexandra | | | 1753 * | ROU | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Cirlan, Ionut | | | 2151 | ROU | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Matei, Adrian | | | 1947 | ROU | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Dumitrescu, Robert | | | 1877 | ROU | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Milea, Florian | | | 1928 | ROU | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Cruceanu, Andrei | | | 1999 | ROU | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Ilie, Andrei | | | 1790 | ROU | 1.00 | 1 | 0.10 | 15 | 1.50 | | | * 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) | | | | "Octav Troianescu" Memorial | Bucuresti | ROU | 2009-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 2153 | 4.00 | 8 | -1.43 | 15 | -21.45 | |
| | Constantin, Dragos-Georgian | | | 2013 | ROU | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Petrescu, Cristian | | | 2088 | ROU | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Barbu, George-Emilian | | | 1964 | ROU | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Georgescu, Cristian | | | 2032 | ROU | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Cruceanu, Andrei | | | 1999 | ROU | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Gardin, Eugen | | | 2028 | ROU | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Ghituleanu, Nicolae | | | 1902 | ROU | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Nuta, Dan | | | 2117 | ROU | 0.00 | 1 | -0.55 | 15 | -8.25 | |
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) | | | | December 1989 Revolution Memorial | Bucuresti | ROU | 2009-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 2153 | 1.00 | 6 | -3.63 | 15 | -54.45 | |
| | Anusca, Madalina-Maria | | | 2049 | ROU | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Cucu, Gheorghe | | | 1842 | ROU | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Constantin, Dragos-Georgian | | | 2013 | ROU | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Nistor, Mihai | | | 1892 | ROU | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Bursuc, Mihai | | | 1832 | ROU | 0.00 | 1 | -0.87 | 15 | -13.05 | | | Barbu, George-Emilian | | | 1964 | ROU | 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) | | |
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