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Individual Calculations May 2012 |
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| Kaufman, Raymond Total change: 19.95 | |   |
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| 2012 Winter Chess Championship | Fremont, California | USA | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2186 | 2261 | 2.00 | 3 | 0.27 | 15 | 4.05 | |
|  Ricardo, De Guzman | m | | 2393 | PHI | 1.00 | 1 | 0.68 | 15 | 10.20 | |  Ryan, Porter | f | | 2242 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Allan, Beilin | | | 1922 | USA | 1.00 | 1 | 0.12 | 15 | 1.80 | |
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) | | | | 19th Annual Western Class Championships | Agoura Hills, California | USA | 2012-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2254 | 2316 | 2.00 | 4 | -0.32 | 15 | -4.80 | |
| | Perepelitsky, Philipp | | | 2122 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Akopyan, Harutyun | f | | 2243 | USA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Yankovsky, Roman | | | 2438 | RUS | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Brown, Michael W | | | 2211 | USA | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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) | | | | 1st NorCal House of Chess Invitational | Fremont, California | USA | 2012-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2306 | 2316 | 6.00 | 9 | 1.38 | 15 | 20.70 | |
| | Sevillano, Enrico | m | | 2502 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | De Guzman, Ricardo | m | | 2400 | PHI | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Evans, Bela | f | | 2256 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Liou, Yian | | | 2293 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Byambaa, Uyanga | | wf | 2110 | MGL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Perez, Emmanuel | | | 2290 | PHI | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Ishkhanov, Tigran | | | 2347 | USA | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Lobo, Richard C | f | | 2236 | ENG | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Cusi, Ronald Lazo | f | | 2316 | USA | 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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