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Individual Calculations September 2009 |
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| Petrescu, Cristian Total change: -34.95 | |   |
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| Bucharest Chess Weekend - 1st edition | Bucuresti | ROU | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 2089 | 3.00 | 5 | -0.59 | 15 | -8.85 | |
|  Guga, Mircea-Alexandru | | | 1752 | ROU | 1.00 | 1 | 0.12 | 15 | 1.80 | |  Vladescu, Ovidiu-Viorel | | | 1857 | ROU | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Dragomir, Nicolae-Laurentiu | | | 2140 | ROU | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Ticu, Constantin | | | 1737 | ROU | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Irimia, Ionut | | | 2014 | ROU | 0.00 | 1 | -0.60 | 15 | -9.00 | |
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) | | | | Bucharest Chess Weekend - 2nd edition | Bucuresti | ROU | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1742 | 2089 | 2.00 | 4 | -1.54 | 15 | -23.10 | |
| | Guga, Mircea-Alexandru | | | 1752 | ROU | 0.00 | 1 | -0.88 | 15 | -13.20 | | | Ciortan, Mihail | | | 1735 | ROU | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Jeltopop, Nicolae | | | 1689 * | ROU | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Ardeleanu, Romulus-Alin | | | 1790 | ROU | 1.00 | 1 | 0.15 | 15 | 2.25 | | | * 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) | | | | Bucharest Chess Weekend - 3nd edition | Bucuresti | ROU | 2009-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 2089 | 3.00 | 5 | -0.91 | 15 | -13.65 | |
| | Munteanu, Ali-Eduard | | | 1787 | ROU | 0.50 | 1 | -0.35 | 15 | -5.25 | | | Jega, Gabriel | | | 2090 | ROU | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Zamora, Aurel | | | 1794 | ROU | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Dolana, Andrei-Theodor | | | 1803 | ROU | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Matei, Stefan-Razvan | | | 1761 | ROU | 1.00 | 1 | 0.13 | 15 | 1.95 | |
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 |
| 2011 | 2089 | 3.50 | 5 | 0.58 | 15 | 8.70 | |
| | Ciortan, Mihail | | | 1735 | ROU | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Enoiu, Alexandru-Ionut | | | 2187 | ROU | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Vladescu, Ovidiu-Viorel | | | 1857 | ROU | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Popescu, Florin | | | 2109 | ROU | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Tacu, Victor-Mihail-Gabriel | | | 2165 | ROU | 0.50 | 1 | 0.10 | 15 | 1.50 | |
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) | | | | Bucharest Chess Weekend - 5th edition | Bucuresti | ROU | 2009-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 2089 | 3.00 | 4 | 0.13 | 15 | 1.95 | |
| | Bancu, Constantin | | | 1789 | ROU | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Senetia, Teodor | | | 2175 | ROU | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Dobre, Ana-Margareta-Alexandra | | | 1839 | ROU | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Cosmulescu, Alexandru-Paul | | | 1819 | ROU | 1.00 | 1 | 0.17 | 15 | 2.55 | |
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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