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Individual Calculations July 2009 |
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| Shabalov, Alexander Total change: 11.20 | |   |
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| 11th Annual Foxwoods Open | Mashantucket, Connecticut | USA | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2444 | 2569 | 6.50 | 9 | 0.61 | 10 | 6.10 | |
|  Karklins, Andrew | f | | 2232 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | |  Betaneli, Alex | f | | 2298 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Robson, Ray | m | | 2465 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Sarkar, Justin | m | | 2410 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Ivanov, Alexander | g | | 2516 | USA | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Akobian, Varuzhan | g | | 2613 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Shulman, Yury | g | | 2632 | USA | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Vigorito, David | m | | 2384 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Shankland, Samuel | m | | 2446 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | |
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) | | | | Heroes Day Masters Cup | Bridgetown | BAR | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2383 | 2569 | 7.50 | 9 | 0.95 | 10 | 9.50 | |
| | Paikidze, Nazi | | wm | 2310 | GEO | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Zapata, Alonso | g | | 2514 | COL | 0.00 | 1 | -0.58 | 10 | -5.80 | | | Buhmann, Rainer | g | | 2582 | GER | 1.00 | 1 | 0.52 | 10 | 5.20 | | | Pitterson, Jomo | f | | 2242 | JAM | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Neubauer, Martin | m | | 2414 | AUT | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Denny, Kevin | m | | 2354 | BAR | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Moran Nuque, Augusto | m | | 2393 | ECU | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Harper, Ryan | f | | 2219 | TRI | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Uribe, Mauricio | m | | 2416 | COL | 0.50 | 1 | -0.20 | 10 | -2.00 | |
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) | | | | 2009 US Championship | St. Louis, Missouri | USA | 2009-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2518 | 2569 | 3.50 | 8 | -1.00 | 10 | -10.00 | |
| | Nakamura, Hikaru | g | | 2701 | USA | 0.00 | 1 | -0.32 | 10 | -3.20 | | | Brooks, Michael A | m | | 2463 | USA | 0.00 | 1 | -0.64 | 10 | -6.40 | | | Christiansen, Larry | g | | 2588 | USA | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Sevillano, Enrico | m | | 2520 | USA | 0.00 | 1 | -0.57 | 10 | -5.70 | | | Eckert, Doug D | f | | 2275 | USA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Gulko, Boris | g | | 2561 | USA | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Krush, Irina | m | wg | 2452 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Benjamin, Joel | g | | 2583 | USA | 0.50 | 1 | 0.02 | 10 | 0.20 | |
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) | | | | 18th Annual Chicago Open - Open Section | Wheeling, Illinois | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2457 | 2569 | 5.00 | 7 | 0.56 | 10 | 5.60 | |
| | Melekhina, Alisa | | wm | 2287 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Molner, Mackenzie | | | 2384 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Antal, Gergely | m | | 2490 | HUN | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Perelshteyn, Eugene | g | | 2543 | USA | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Sargissian, Gabriel | g | | 2660 | ARM | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Ehlvest, Jaan | g | | 2606 | USA | 0.00 | 1 | -0.45 | 10 | -4.50 | | | Yang, Darwin | f | | 2231 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | |
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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