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Individual Calculations May 2012 |
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| Kudrin, Sergey Total change: 3.00 | |   |
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| 21st Annual Eastern Class Championships | Sturbridge, Massachusetts | USA | 2012-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2342 | 2547 | 3.50 | 5 | -0.21 | 10 | -2.10 | |
|  Harmon-Vellotti, Luke | | | 2212 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | |  Fikiet, Alex M | | | 2222 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Friedel, Joshua E | g | | 2520 | USA | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Kekelidze, Mikheil | g | | 2473 | GEO | 0.00 | 1 | -0.60 | 10 | -6.00 | | | Perez, Robert | | | 2284 | USA | 1.00 | 1 | 0.18 | 10 | 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) | | | | Long Island Open | Ronkonkoma, New York | USA | 2012-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2307 | 2547 | 4.00 | 5 | 0.17 | 10 | 1.70 | |
| | Frumkin, Edward A | | | 2147 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Resika, Nathan | f | | 2147 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Bodek, Michael H | | | 2270 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Prasca Sosa, Rafael | m | | 2420 | VEN | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Benjamin, Joel | g | | 2553 | USA | 0.50 | 1 | 0.01 | 10 | 0.10 | | | * 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) | | | | 34th Annual Marchand Open | Rochester, New York | USA | 2012-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2344 | 2547 | 3.00 | 4 | 0.09 | 10 | 0.90 | |
| | Kong, Dezheng | | | 2147 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Parry, Matt J | | | 2234 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Perelshteyn, Eugene | g | | 2523 | USA | 0.50 | 1 | -0.03 | 10 | -0.30 | | | Kekelidze, Mikheil | g | | 2473 | GEO | 0.50 | 1 | -0.10 | 10 | -1.00 | | | * 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) | | | | 12th Annual Reno - Larry Evans Memorial | Reno, Nevada | USA | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2279 | 2547 | 5.00 | 6 | 0.25 | 10 | 2.50 | |
| | Alsasua, Eleuterio | | | 2147 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Haessler, Carl A | | | 2164 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Karklins, Andrew | f | | 2202 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Wheeler, Cameron | | | 2147 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Ivanov, Alexander | g | | 2513 | USA | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Sevillano, Enrico | m | | 2502 | USA | 0.50 | 1 | -0.06 | 10 | -0.60 | | | * 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) | | |
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