Individual Calculations May 2015 |
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Petrak, Robert Total change: -25.20 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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1. jihoceska divize 2014/2015 r1 | various | CZE | 2014-10-19 |
Rc | Ro | w | n | change | K | K*chg | Game |
2149 | 2037 | 1.00 | 1 | 0.65 | 20 | 13.00 | |
| Grill, Roman | | | 2149 | CZE | 1.00 | 1 | 0.65 | 20 | 13.00 | | 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) | | 1. jihoceska divize 2014/2015 r2-3 | various | CZE | 2014-11-09 |
Rc | Ro | w | n | change | K | K*chg | Game |
2199 | 2037 | 0.50 | 1 | 0.21 | 20 | 4.20 | |
| Spal, Milan | | | 2199 | CZE | 0.50 | 1 | 0.21 | 20 | 4.20 | | 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) | | 1. jihoceska divize 2014/2015 r4 | various | CZE | 2014-12-07 |
Rc | Ro | w | n | change | K | K*chg | Game |
1971 | 2037 | 1.00 | 1 | 0.41 | 20 | 8.20 | |
| Havluj, Zdenek | | | 1971 | CZE | 1.00 | 1 | 0.41 | 20 | 8.20 | | 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) | | 1. jihoceska divize 2014/2015 r5-6 | various | CZE | 2015-01-04 |
Rc | Ro | w | n | change | K | K*chg | Game |
1928 | 2037 | 1.00 | 2 | -0.29 | 20 | -5.80 | |
| Slajs, Vlastimil | | | 1852 | CZE | 0.50 | 1 | -0.24 | 20 | -4.80 | | Nejdl, Eduard | | | 2004 | CZE | 0.50 | 1 | -0.05 | 20 | -1.00 | | 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) | | Prebor Prahy 2014/2015 - I. trida - skupina 12 | Praha | CZE | 2015-01-12 |
Rc | Ro | w | n | change | K | K*chg | Game |
1994 | 2037 | 5.00 | 11 | -1.13 | 20 | -22.60 | |
| Matyska, Jiri | | | 1939 | CZE | 1.00 | 1 | 0.37 | 20 | 7.40 | | Mintel, Milan | | | 1918 | CZE | 1.00 | 1 | 0.34 | 20 | 6.80 | | Vacek, Radomir | | | 2015 | CZE | 0.00 | 1 | -0.53 | 20 | -10.60 | | Rehak, Martin | | | 2075 | CZE | 0.50 | 1 | 0.05 | 20 | 1.00 | | Kusalik, Roman | | | 1968 | CZE | 0.00 | 1 | -0.60 | 20 | -12.00 | | Zajicek, Karel | | | 1892 | CZE | 0.50 | 1 | -0.19 | 20 | -3.80 | | Svitak, David | | | 2001 | CZE | 0.50 | 1 | -0.05 | 20 | -1.00 | | Markovic, Milan | | | 2132 | CZE | 1.00 | 1 | 0.63 | 20 | 12.60 | | Krejbich, Miloslav | | | 2006 | CZE | 0.00 | 1 | -0.54 | 20 | -10.80 | | Kubikova, Alena | | wf | 2100 | CZE | 0.00 | 1 | -0.41 | 20 | -8.20 | | Vimpel, Jiri | | | 1885 | CZE | 0.50 | 1 | -0.20 | 20 | -4.00 | | 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) | | 1. jihoceska divize 2014/2015 r7-8 | various | CZE | 2015-02-01 |
Rc | Ro | w | n | change | K | K*chg | Game |
2225 | 2037 | 0.00 | 2 | -0.55 | 20 | -11.00 | |
| Karlicek, Pavel | | | 2091 | CZE | 0.00 | 1 | -0.42 | 20 | -8.40 | | Priborsky, Jan | | | 2358 | CZE | 0.00 | 1 | -0.13 | 20 | -2.60 | | 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) | | 1. jihoceska divize 2014/2015 r9-10 | various | CZE | 2015-03-01 |
Rc | Ro | w | n | change | K | K*chg | Game |
2014 | 2037 | 0.50 | 2 | -0.56 | 20 | -11.20 | |
| Kuta, Miroslav | | | 1821 | CZE | 0.50 | 1 | -0.28 | 20 | -5.60 | | Trepka, Jan | | | 2207 | CZE | 0.00 | 1 | -0.28 | 20 | -5.60 | | 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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