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Individual Calculations October 2014 |
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| Petkov, Matey Total change: 109.20 | |   |
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| National team championship 2014 boys U12 | Golden sands | BUL | 2014-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1615 | 1912 | 3.50 | 5 | -0.59 | 40 | -23.60 | |
|  Nanovski, Stiliyan | | | 1512 * | BUL | 0.50 | 1 | -0.42 | 40 | -16.80 | |  Kochiev, Ivan | | | 1595 | BUL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Petkov, Momchil | | | 1512 * | BUL | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Stoyanov, Daniel | | | 1522 | BUL | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Stoyanov, Tsvetan | f | | 1933 | BUL | 0.50 | 1 | 0.03 | 40 | 1.20 | | | * 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) | | | | 13th Memorial Kesarovski-Stanchev B tournament | Sunny beach | BUL | 2014-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 1912 | 4.00 | 9 | 1.95 | 40 | 78.00 | |
| | Kaderabek, Jiri | | | 2130 | CZE | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Danov, Radi | | | 2167 | BUL | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Dimitrov, Dejan | | | 2149 | BUL | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Ivanov, Bogidar | | | 2183 | BUL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Dragieva, Denitza | | wf | 2066 | BUL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Dereshki, Dario | | | 2106 | BUL | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Todorov, Ognjan | m | | 2258 | BUL | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Vladimirov, Ivo | | | 2068 | BUL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Petrov, Simeon | | | 2041 | BUL | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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) | | | | World Youth Chess Championships 2014 (u12 Boys) | Durban | RSA | 2014-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 1912 | 4.00 | 8 | 1.37 | 40 | 54.80 | |
| | Brodsky, David | f | | 2095 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Sahidi, Samir | | | 2039 | SVK | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Kumar, Aravind | f | | 2152 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Roach, Andrew | | | 1975 | USA | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Stefansson, Vignir Vatnar | | | 1963 | ISL | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Rahul, Srivatshav P | | | 2061 | IND | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Ram, Aravind L N | f | | 2085 | IND | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Kaasen, Tor Fredrik | | | 1959 | NOR | 1.00 | 1 | 0.57 | 40 | 22.80 | |
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) | | |
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