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Individual Calculations January 2012 |
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| Betsakos, Konstantinos Total change: -17.55 | |   |
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| 1st Round Robin tournament SAH CC Mikropolis - B' Group | Thessaloniki | GRE | 2011-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1692 | 1425 | 0.50 | 4 | -0.24 | 30 | -7.20 | |
|  Tsolaki, Eleni | | | 1725 | GRE | 0.00 | 1 | -0.15 | 30 | -4.50 | |  Kosmidis, Konstantinos | | | 1718 | GRE | 0.00 | 1 | -0.15 | 30 | -4.50 | | | Zonidis, Petros | | | 1767 | GRE | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Karavalasis, Stilianos | | | 1557 | GRE | 0.50 | 1 | 0.18 | 30 | 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) | | | NOTE: K factor changed | | 4th youth team championship under 16 ESSTH-HALK 2011 | Thessaloniki | GRE | 2011-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1494 | 1425 | 1.50 | 3 | 0.23 | 15 | 3.45 | |
| | Doudoulakakis, Athanasios | | | 1457 | GRE | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Larentzakis-Adamidis, Ioannis | | | 1305 | GRE | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Sahinidis, Evagelos | | | 1719 | GRE | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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) | | | NOTE: K factor changed | | OPEN UNDER 18 CHAMPIONSHIP 2011 - QUALIFIERS ESSTH-HALK | Thessaloniki | GRE | 2011-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1475 | 1428 | 0.50 | 3 | -0.92 | 15 | -13.80 | |
| | Metaxas, Efstathios | | | 1828 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Nikolaou, Alexandros | | | 1237 | GRE | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Pavlidis, Pavlos | | | 1360 | GRE | 0.00 | 1 | -0.59 | 15 | -8.85 | | | * 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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