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Individual Calculations July 2009 |
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| Gheorghiu, Calin Total change: 25.20 | |   |
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| Grand Prix Iasi 2009 - 2nd stage | Iasi | ROU | 2009-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 1763 | 2.50 | 5 | 1.42 | 15 | 21.30 | |
|  Hanga, Wylly | | | 2004 | ROU | 0.50 | 1 | 0.30 | 15 | 4.50 | |  Moraru, Alexandru | | | 2000 | ROU | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Mihailescu, Radu-Lucian | | | 2028 | ROU | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Rusu, Vasile | | | 1872 | ROU | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Paval, George | | | 2058 | 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) | | | | Romanian National Youth Chess Championship - Boys U12 | Voineasa | ROU | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1683 | 1834 | 2.50 | 4 | -0.28 | 15 | -4.20 | |
| | Oprita, George | | | 1628 | ROU | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Burlacu, Valentin-Sebastian | | | 1771 | ROU | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Tiron, Lucian-Ilie | | | 1598 | ROU | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Miroi, Robert-Andrei | | | 1736 | ROU | 1.00 | 1 | 0.37 | 15 | 5.55 | |
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) | | | | 4-th EUROPEAN OPEN CHESS SCHOOL TEAM CHAMPIONSHIP 12 years old | Varna | BUL | 2009-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 1834 | 1.50 | 3 | 0.54 | 15 | 8.10 | |
| | Alekseenko, Kirill | f | | 2114 | RUS | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Terzi, Alexei | | | 1820 | BLR | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Subbotsky, Mikhail | | | 1998 | RUS | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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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