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Individual Calculations March 2012 |
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| Costin, Petrica Total change: 32.55 | |   |
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| Ariston Open 2012 | Satu Mare | ROU | 2012-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2097 | 5.50 | 7 | 2.68 | 15 | 40.20 | |
|  Lazin, Robert-Tamas | | | 1735 | ROU | 1.00 | 1 | 0.10 | 15 | 1.50 | |  Florescu, Codrut-Constantin | m | | 2282 | ROU | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Suciu, Dinu-Simi | f | | 2082 | ROU | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Chereches, Marius | f | | 2265 | HUN | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Levay, Sorin | f | | 2229 | ROU | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Marinescu, Mircea | | | 2188 | ROU | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Bonte, Andrei-Mihai | | | 2380 | ROU | 0.50 | 1 | 0.34 | 15 | 5.10 | |
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) | | | | Satu Mare Chess week-end no 10 | Satu Mare | ROU | 2012-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 2097 | 4.50 | 7 | -0.51 | 15 | -7.65 | |
| | Costiuc, Ioan | | | 1809 | ROU | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Muller, Wilhelm | | | 2051 | ROU | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Suciu, Dinu-Simi | f | | 2082 | ROU | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Ambru, Dan-Calin | | | 1935 | ROU | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Geiger, Alex-Emanuel | | | 1850 | ROU | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Sogor, Andras-Csaba | | | 1972 | ROU | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Moldovan, Rares | | | 1726 | ROU | 1.00 | 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) | | |
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