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Individual Calculations September 2011 |
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| Costin, Petrica Total change: 13.20 | |   |
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| SPI Open 2011 | Satu Mare | ROU | 2011-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 2077 | 5.00 | 9 | -0.63 | 15 | -9.45 | |
|  Egli, Ioan | | | 1677 * | ROU | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Vedmediuc, Serghei | m | | 2440 | MDA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Bulmaga, Elena | | | 1791 | ROU | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Czegledi, Daniel | | | 1677 * | GER | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Drenchev, Petar | g | | 2477 * | BUL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Rucsandescu, Dan | | | 1864 | ROU | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Chetrari, Nikita | | | 1689 | MDA | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Szatmari, Alexandru | | | 1900 | ROU | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Samu, Sorin-Mihai | | | 2178 | ROU | 0.00 | 1 | -0.36 | 15 | -5.40 | | | * 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) | | | | Arad Open | Arad | ROU | 2011-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 2077 | 5.00 | 9 | -0.44 | 15 | -6.60 | |
| | Tutuian, Valentin | | | 1677 * | ROU | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Smith, Bryan G | m | | 2477 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Doros, Doru-Lucian | | | 1776 | ROU | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Sandru, Nicolae | | | 1910 | ROU | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Garbea, Bogdan | | | 2258 | ROU | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Berta, Sandor | | | 1856 | HUN | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Dobre, Claudiu-Cristian | f | | 2353 | ROU | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Neagu, Mihai-Cosmin | | | 1891 | ROU | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Zubcu, Vlad-George | | | 1677 * | ROU | 1.00 | 1 | 0.08 | 15 | 1.20 | | | * 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) | | | | Somes Cup 2011 | Satu Mare | ROU | 2011-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 2077 | 5.50 | 7 | 1.95 | 15 | 29.25 | |
| | Dumitrascu, Constantin | | | 1677 * | ROU | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Polner, Iosif | | | 1884 | ROU | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Lengyel, Ferenc | f | | 2282 | HUN | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Lupu, Ovidiu-Jean | f | | 2275 | ROU | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Marinescu, Mircea | | | 2239 | ROU | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Florescu, Codrut-Constantin | m | | 2266 | ROU | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Barbul, Ionel | | | 1774 | ROU | 1.00 | 1 | 0.14 | 15 | 2.10 | | | * 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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