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Individual Calculations July 2011 |
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| Valden, Petros Total change: 20.55 | |   |
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| 10th Open SOP-SMAOK >1900 rating | Pagrati - Athens | GRE | 2011-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 2163 | 5.50 | 7 | 1.10 | 15 | 16.50 | |
|  Savoglou, Nikolaos | | | 1943 | GRE | 1.00 | 1 | 0.22 | 15 | 3.30 | |  Efthimiou, Georgios | | | 1854 | GRE | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Kefalas, Spyridon | | | 1846 | GRE | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Kamenets, Anatolij | m | | 2261 | UKR | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Papadimitriou, Loukas | | | 2114 | GRE | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Delithanasis, Dimitrios | | | 2202 | GRE | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Kokolias, Konstantinos | | | 2163 | GRE | 0.50 | 1 | 0.00 | 15 | 0.00 | |
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) | | | | Attica Team Cup 2011 | Attica | GRE | 2011-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2163 | 2.00 | 3 | 0.58 | 15 | 8.70 | |
| | Stefanopoulos, Orestis | f | | 2214 | GRE | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Varelakis, Damianos | | | 1981 | GRE | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Khetsuriani, Besarion | m | | 2355 | GEO | 0.50 | 1 | 0.25 | 15 | 3.75 | |
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) | | | | 3rd International open of Thessaloniki - Alexander the Great 2011 A GROUP | Thessaloniki | GRE | 2011-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 2163 | 6.00 | 9 | -1.08 | 15 | -16.20 | |
| | Mitrou, Vasiliki | | | 1763 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Terzidaki, Alexandra | | | 1935 | GRE | 0.00 | 1 | -0.79 | 15 | -11.85 | | | Tsinaris, Fotis | | | 1785 | GRE | 0.50 | 1 | -0.41 | 15 | -6.15 | | | Grant, David | | | 1868 | SCO | 0.50 | 1 | -0.35 | 15 | -5.25 | | | Avgitidis, Isaak | | | 1763 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Puroila, Sippo | | | 1939 | FIN | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Tsounis, Serafim | | | 1763 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Kanakaris, Georgios | | | 2283 | GRE | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Spirliadis, Achileas | | | 2050 | GRE | 1.00 | 1 | 0.35 | 15 | 5.25 | | | * 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) | | | | 14th chess open of Heraklion Attikis 2011 - A' Group | Heraklion Attikis | GRE | 2011-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 2180 | 6.50 | 9 | 0.77 | 15 | 11.55 | |
| | Sidiropoulos, Nikolaos | | | 1809 | GRE | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Zivas, Konstantinos | | | 1862 | GRE | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Anagnostopoulos, Konstantinos | | | 1954 | GRE | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Kokolias, Konstantinos | | | 2202 | GRE | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Ignatiadis, Konstantinos | | | 2186 | GRE | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Tsiamis, Konstantinos | f | | 2277 | GRE | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Papadopoulos, Georgios | | | 2015 | GRE | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Paouris, Nikolaos | | | 2034 | GRE | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Goumas, Ioannis | | | 2237 | GRE | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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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