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Individual Calculations December 2018 |
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| Petrache, Otto Total change: -32.80 | |   |
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| Autumn Chess Cup Cernavoda 2018 | Cernavoda | ROU | 2018-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1399 | 1308 | 1.00 | 4 | -0.56 | 20 | -11.20 | |
|  Costeniuc, Gheorghe | | | 1603 | ROU | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Popa, Nicolae | | | 1458 | ROU | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Cojocaru, George | | | 1306 | ROU | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Stan, Robert-Daniel | | | 1228 | ROU | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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) | | | | Chess Craft Cup - open | Bucuresti | ROU | 2018-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1486 | 1308 | 1.00 | 5 | -0.48 | 20 | -9.60 | |
| | Statescu-Enescu, Vlad | | | 1704 | ROU | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Paparuz, Vasile | | | 1607 | ROU | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Todea, Constantin-Cornel | | | 1505 | ROU | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Ciobanu, Aurelian-Ovidiu | | | 1022 | ROU | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Saioc, David | | | 1590 | ROU | 0.00 | 1 | -0.16 | 20 | -3.20 | |
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) | | | | Satori Cup 2018 Autumn Cup - Open U2200 | Slobozia | ROU | 2018-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1619 | 1308 | 0.00 | 4 | -0.60 | 20 | -12.00 | |
| | Popa, Gabriel | | | 1708 * | ROU | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Buzescu, Vladimir | | | 1640 | ROU | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Aloman, Daniel-Ionut | | | 1669 | ROU | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Popa, Nicolae | | | 1458 | ROU | 0.00 | 1 | -0.30 | 20 | -6.00 | | | * 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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