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Individual Calculations September 2009 |
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| Iordan, Constantin-Iulian Total change: 93.50 | |   |
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| International Chess Festival Eforie Nord | Eforie Nord | ROU | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2153 | 1872 | 3.00 | 9 | 1.49 | 25 | 37.25 | |
|  Petrisor, Adrian-Marian | | | 2222 | ROU | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Osman, Mihai | | | 2146 | FRA | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Prociuc, Evgenii | | | 2102 | MDA | 1.00 | 1 | 0.79 | 25 | 19.75 | |  Zaim, Marian | | | 2170 | ROU | 0.50 | 1 | 0.35 | 25 | 8.75 | | | Hristodorescu, Daniel | f | | 2206 | ROU | 0.50 | 1 | 0.38 | 25 | 9.50 | | | Ciornei, Dragos | | | 2217 | GER | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Radu, Ioan | | | 2076 | ROU | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Uta, Adeline-Ramona | | | 2068 | ROU | 1.00 | 1 | 0.75 | 25 | 18.75 | | | Corlatescu, Dragos-Georgian | | | 2166 | ROU | 0.00 | 1 | -0.15 | 25 | -3.75 | |
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) | | | | Bucharest Chess Weekend - 1st edition | Bucuresti | ROU | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1883 | 2.00 | 4 | 0.45 | 25 | 11.25 | |
| | Jega, Gabriel | | | 2090 | ROU | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Ciortan, Mihail | | | 1735 | ROU | 1.00 | 1 | 0.30 | 25 | 7.50 | | | Popescu, Florin | | | 2109 | ROU | 1.00 | 1 | 0.79 | 25 | 19.75 | | | Popescu-Rusavat, Ioan | | | 1949 | ROU | 0.00 | 1 | -0.41 | 25 | -10.25 | |
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) | | | | Bucharest Chess Weekend - 2nd edition | Bucuresti | ROU | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1856 | 1883 | 3.00 | 5 | 0.33 | 25 | 8.25 | |
| | Costache, Florin-Remus | | | 1559 | ROU | 1.00 | 1 | 0.13 | 25 | 3.25 | | | Senetia, Teodor | | | 2175 | ROU | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Matei, Stefan-Razvan | | | 1761 | ROU | 1.00 | 1 | 0.33 | 25 | 8.25 | | | Ciortan, Mihail | | | 1735 | ROU | 0.50 | 1 | -0.20 | 25 | -5.00 | | | Radu, Ioan | | | 2050 | ROU | 0.50 | 1 | 0.22 | 25 | 5.50 | |
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 | | Bucharest Chess Weekend - 3nd edition | Bucuresti | ROU | 2009-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 1883 | 1.50 | 3 | 0.94 | 15 | 14.10 | |
| | Tomoaie, Marian | | | 2078 | ROU | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Tacu, Victor-Mihail-Gabriel | | | 2165 | ROU | 1.00 | 1 | 0.84 | 15 | 12.60 | | | Senetia, Teodor | | | 2175 | ROU | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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) | | | NOTE: K factor changed | | Bucharest Chess Weekend - 4th edition | Bucuresti | ROU | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 1883 | 3.00 | 5 | 0.80 | 15 | 12.00 | |
| | Senetia, Teodor | | | 2175 | ROU | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Stilpeanu, Nicolae | | | 1745 | ROU | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Enoiu, Alexandru-Ionut | | | 2187 | ROU | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Vladescu, Ovidiu-Viorel | | | 1857 | ROU | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Guga, Mircea-Alexandru | | | 1752 | ROU | 1.00 | 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) | | | NOTE: K factor changed | | Bucharest Chess Weekend - 5th edition | Bucuresti | ROU | 2009-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 1883 | 2.50 | 5 | 0.71 | 15 | 10.65 | |
| | Senetia, Teodor | | | 2175 | ROU | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Vladescu, Ovidiu-Viorel | | | 1857 | ROU | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Cosmulescu, Alexandru-Paul | | | 1819 | ROU | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Raducanu, Andrei-Augustin | | | 2101 | ROU | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Stanciu, Adrian-Eugen | | | 2038 | ROU | 0.50 | 1 | 0.21 | 15 | 3.15 | |
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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