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Individual Calculations November 2009 |
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| Lapidus, Mark Total change: 9.75 | |   |
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| European Youth Ch under 14 Open | Fermo | ITA | 2009-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 1921 | 2.00 | 5 | 0.87 | 15 | 13.05 | |
|  Hasenohr, Benedict | | | 2080 | SUI | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Nenezic, Marko | | | 2090 | SRB | 0.50 | 1 | 0.22 | 15 | 3.30 | |  Spornberger, Maximilian | | | 2111 | ITA | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Kadric, Denis | | | 2156 | BIH | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Sanchez Ibern, Marc | | | 2289 | ESP | 0.00 | 1 | -0.10 | 15 | -1.50 | |
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) | | | | Baltic Sea Chess Stars | Narva | EST | 2009-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1946 | 1.50 | 4 | -0.22 | 15 | -3.30 | |
| | Vaicekauskas, Gytis | | | 1876 | LTU | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Musialkiewicz, Jan | | | 2147 | POL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Bernotas, Arturs | | | 2037 | LAT | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Ebeling, Daniel | | | 1947 | FIN | 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) | | |
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