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Individual Calculations September 2009 |
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| Pop, Alexandru Total change: 70.80 | |   |
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| Black Sea Coast Trophy | Eforie Nord | ROU | 2009-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2010 | 3.50 | 8 | 1.20 | 15 | 18.00 | |
|  Volcinsche, Sebastian | | | 1967 | ROU | 1.00 | 1 | 0.44 | 15 | 6.60 | |  Chifor, Ovidiu-Emanuel | | | 2155 | ROU | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Maksimov, Oleg | | | 2360 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Tseitline, Semen | | | 2080 | RUS | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Podgursky, Sten | f | | 2248 | MDA | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Barbu, Iulian | | | 2221 | ROU | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Dragomirescu, Angela | | wm | 2206 | ROU | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Marinescu, Mircea | | | 2210 | ROU | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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 Youth Team Championship - Open under 16 | Iasi | ROU | 2009-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 1998 | 3.50 | 6 | 0.62 | 15 | 9.30 | |
| | Hajbok, Robert | | | 2274 | ROU | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Nastasa, Robert-Radu | | | 1891 | ROU | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Dan, Aurelian | | | 1912 | ROU | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Hajbok, Robert | | | 2274 | ROU | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Nastasa, Robert-Radu | | | 1891 | ROU | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Dan, Aurelian | | | 1912 | ROU | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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) | | | | Brasov Cup | Brasov | ROU | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 1998 | 4.00 | 8 | 0.70 | 15 | 10.50 | |
| | Racasan, Sebastian | | | 2231 | ROU | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Ciobanu, Bogdan-Mihail | | | 1758 | ROU | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Dicu, Razvan-Stefan | | | 2126 | ROU | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Sukosd, Janos | | | 2118 | ROU | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Duca, Alexandru-Gabriel | f | | 2239 | ROU | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Sava, Catalin-Vasile | | | 2092 | ROU | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Antohe, Gheorghe | | | 2124 | ROU | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Simion, Nicolae | | | 1832 | ROU | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | Arad Open 2009 | Arad | ROU | 2009-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 1998 | 1.50 | 4 | -0.05 | 15 | -0.75 | |
| | Mihet, Vasile-Mihai | | | 2096 | ROU | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Dumitrica, Sorin-Radu | | | 1892 | ROU | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Chifor, Ovidiu-Emanuel | | | 2173 | ROU | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Prunescu, Claudiu | | | 2172 | ROU | 0.50 | 1 | 0.23 | 15 | 3.45 | |
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) | | | | International Chess Festival Mihail Sadoveanu | Iasi | ROU | 2009-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2203 | 1998 | 4.50 | 8 | 2.25 | 15 | 33.75 | |
| | Manea, Alexandru | m | | 2398 * | ROU | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Miron, Lucian-Costin | m | | 2398 * | ROU | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Racasan, Sebastian | | | 2231 | ROU | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Stoean, Robert-Renaldo | | | 1813 | ROU | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Morea, Georgiana-Steluta | | | 1763 | ROU | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Malanca, Adrian | f | | 2304 | ROU | 1.00 | 1 | 0.86 | 15 | 12.90 | | | Baratosi, Daniel | f | | 2398 * | ROU | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Petrisor, Adrian-Marian | | | 2322 | ROU | 0.50 | 1 | 0.37 | 15 | 5.55 | | | * 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) | | |
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