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Individual Calculations September 2009 |
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| Matei, Stefan-Razvan Total change: 6.90 | |   |
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| Bucharest Chess Weekend - 1st edition | Bucuresti | ROU | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 1761 | 1.00 | 5 | -1.11 | 15 | -16.65 | |
|  Jega, Gabriel | | | 2090 | ROU | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Afrim, Teodor-Florian | | | 1554 | ROU | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Popescu-Rusavat, Ioan | | | 1949 | ROU | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Ciortan, Mihail | | | 1735 | ROU | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Cosmulescu, Alexandru-Paul | | | 1819 | ROU | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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 |
| 1949 | 1761 | 1.50 | 4 | 0.35 | 15 | 5.25 | |
| | Jega, Gabriel | | | 2090 | ROU | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Iordan, Constantin-Iulian | | | 1883 | ROU | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Dragomir, Nicolae-Laurentiu | | | 2140 | ROU | 0.50 | 1 | 0.41 | 15 | 6.15 | | | Gorunescu, Nicolae-Gabriel | | | 1684 | ROU | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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 |
| 1923 | 1761 | 2.00 | 5 | 0.41 | 15 | 6.15 | |
| | Dumitrascu, Cornel | | | 2081 | ROU | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Costache, Florin-Remus | | | 1559 | ROU | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Jega, Gabriel | | | 2090 | ROU | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Zamora, Aurel | | | 1794 | ROU | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Petrescu, Cristian | | | 2089 | ROU | 0.00 | 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 |
| 1899 | 1761 | 2.00 | 4 | 0.62 | 15 | 9.30 | |
| | Popescu, Florin | | | 2109 | ROU | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Jeltopop, Nicolae | | | 1578 | ROU | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Radu, Ioan | | | 2050 | ROU | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Vladescu, Ovidiu-Viorel | | | 1857 | ROU | 1.00 | 1 | 0.63 | 15 | 9.45 | |
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 |
| 1961 | 1761 | 1.50 | 5 | 0.19 | 15 | 2.85 | |
| | Stanciu, Adrian-Eugen | | | 2038 | ROU | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Codreanu, Andrei | | | 1982 | GER | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Vladescu, Ovidiu-Viorel | | | 1857 | ROU | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Bancu, Constantin | | | 1789 | ROU | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Dragomir, Nicolae-Laurentiu | | | 2140 | ROU | 0.00 | 1 | -0.09 | 15 | -1.35 | |
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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