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Individual Calculations May 2015 |
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| Alkhaldi, Bader Total change: 11.80 | |   |
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| 38 Open Internacional de San Sebastian | San Sebastian | ESP | 2015-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1942 | 4.50 | 8 | 0.01 | 20 | 0.20 | |
|  Fernandez Checa, Manuel | | | 1542 * | ESP | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Iagar, Razvan-Gabriel | | | 2189 | ROU | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Rull Costa, Baltasar | | | 1747 | ESP | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Lazkano Gaite, Tomas | | | 1708 | ESP | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Encinas Encinas, Alvaro | | | 2076 | ESP | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Baquedano Coarasa, Pablo | | | 1781 | ESP | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Nava Pereda, Carlos | f | | 2266 | ESP | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Vicente Ezeiza, Mikel | | | 1806 | ESP | 1.00 | 1 | 0.32 | 20 | 6.40 | | | * 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) | | | | 2015 World Amateur Chess Championships - Open | Porto Carras - Halkidiki | GRE | 2015-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1803 | 1958 | 5.50 | 7 | 0.58 | 20 | 11.60 | |
| | Korcz, Daniel | | | 1705 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Ramil, Rumusud | | | 1828 | PHI | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Castaneda, Victor | c | | 1890 | COL | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Turu, Indrek | | | 1869 | EST | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Sandor, Tamas | | | 1785 | ROU | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Tolibayev, Timur | | | 1756 | KAZ | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Matei, Raul-Cornel | | | 1787 | ROU | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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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