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Individual Calculations January 2009 |
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| Ludwig, Daniel Total change: 21.40 | |   |
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| World Youth Chess Championships 2008 - Open 18 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2359 | 2400 | 5.50 | 10 | 0.03 | 10 | 0.30 | |
|  Aharon, Ofir | | | 2118 | ISR | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Ashwin, Jayaram | m | | 2437 | IND | 0.50 | 1 | 0.05 | 10 | 0.50 | |  Saric, Ivan | m | | 2516 | CRO | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Posedaru, Bogdan | | | 2212 | ROU | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Toufighi, Homayoon | f | | 2470 | IRI | 0.50 | 1 | 0.10 | 10 | 1.00 | | | Tran, Manh Tien | | | 2159 | VIE | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Ma, Qun | | | 2241 | CHN | 0.50 | 1 | -0.21 | 10 | -2.10 | | | Kulakov, Viacheslav | | | 2377 | RUS | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Howell, David W, L | g | | 2593 | ENG | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Can, Emre | m | | 2464 | TUR | 0.00 | 1 | -0.41 | 10 | -4.10 | |
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) | | | | 39th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2008-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2412 | 2400 | 5.00 | 6 | 2.11 | 10 | 21.10 | |
| | Ng, Andrew | | | 2122 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Treger, Yefim | | | 2218 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Ivanov, Alexander | g | | 2547 | USA | 1.00 | 1 | 0.70 | 10 | 7.00 | | | Sadvakasov, Darmen | g | | 2643 | KAZ | 0.50 | 1 | 0.30 | 10 | 3.00 | | | Kritz, Leonid | g | | 2592 | GER | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Esserman, Marc R | | | 2348 | USA | 1.00 | 1 | 0.43 | 10 | 4.30 | |
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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