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Individual Calculations November 2023 |
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| Costin, Alexandru Total change: -24.40 | |   |
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| Pitesti Clasic Chess - A | Pitesti | ROU | 2023-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 2088 | 3.50 | 5 | 0.00 | 40 | 0.00 | |
|  Harabor, David-Alexandru | | | 1688 * | ROU | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Sarateanu, Alexandru-Armand | | | 1736 | ROU | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Caraba, Alexandru | | | 1927 | ROU | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Baratosi, Daniel | m | | 2329 | ROU | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Corbu, George-Alexandru | | | 1871 | ROU | 0.50 | 1 | -0.28 | 40 | -11.20 | | | * 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) | | | | Romania National Team Championship 2023 - 2nd League Open | Busteni | ROU | 2023-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2088 | 4.00 | 8 | -0.61 | 40 | -24.40 | |
| | Dicu, Razvan-Stefan | f | | 2206 | ROU | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Iustin, Silviu | | | 2017 | ROU | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Costescu, Mihnea-Constantin | | | 1945 | ROU | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Ciobanu, Sebastian-Stefan | | | 1696 | ROU | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Helmer, Janos | | | 1880 | ROU | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Dodoi, Matei-Teodor | | | 1868 | ROU | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Cosma, Ioan | m | | 2328 | ROU | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Vilcu, Matei-Stefan | | | 2232 | ROU | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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) | | |
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