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Individual Calculations March 2012 |
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| Petrovskis, Olegs Total change: 6.30 | |   |
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| Riga Chess federation championship I stage - 2012 | Riga | LAT | 2012-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 1895 | 1.50 | 4 | 0.65 | 15 | 9.75 | |
|  Suhanovskis, Sergejs | | | 2112 | LAT | 1.00 | 1 | 0.78 | 15 | 11.70 | |  Bernotas, Arturs | | | 2184 | LAT | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Melderis, Uldis | | | 1996 | LAT | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Kretainis, Kristaps | | | 2243 | LAT | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | Latvian Championship - 2012 1/4 final | Riga | LAT | 2012-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1895 | 2.00 | 3 | 0.31 | 15 | 4.65 | |
| | Beks, Edmunds | | | 1622 | LAT | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Orlovska, Madara | | | 2081 | LAT | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Golubeva, Marija | | | 1824 | LAT | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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) | | | | Alexei Shirov Winter Cup boys | Jurmala, Jaunkemeri | LAT | 2012-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 1895 | 0.50 | 2 | -0.54 | 15 | -8.10 | |
| | Mukovozchik, Evgeny | | | 1715 | BLR | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Lushnikov, Evgeny | | | 2041 | RUS | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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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