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Thursday, September 10, 2009

2009 Women's World Team Chess Championship:Best performances after 8 rounds (using rating performance)

Here are the best performances at the 2009 Women's World Team Chess Championship (by rating performance):

No.NameRtgTeamRpPts.Games%Bo.
1IMMkrtchian Lilit2468Armenian Team26286,0875,02
2Tan Zhongyi2435China Team Two26025,0771,41
3IMKosintseva Nadezhda2493Russian Team25895,5868,82
4WGMHuang Qian2424China Team One25625,5778,64
5GMDzagnidze Nana2535Georgian Team25555,5868,81
6WFMGunina Valentina2437Russian Team25515,5778,64
7GMHou Yifan2585China Team One25353,5658,31
8WGMZhukova Nataliya2457Ukrain25345,0862,51
9WGMGalojan Lilit2326Armenian Team25245,0771,43
10IMDworakowska Joanna2345Poland Team25224,0666,73
11WGMShen Yang2453China Team One25043,0560,02
12WIMMelekhina Alisa2220American Team25003,5570,03
13GMZhao Xue2542China Team One24984,0757,11
14IMGaponenko Inna2438Ukrain24884,5764,32
15GMChiburdanidze Maia2506Georgian Team24843,0650,01
16WGMKaravade Eesha2391India Team24765,0862,52
17IMKrush Irina2458American Team24713,5750,01
18IMDronavalli Harika2474India Team24664,0850,01
19IMJavakhishvili Lela2472Georgian Team24624,0757,12
20IMRajlich Iweta2465Poland Team24614,0850,01
21IMKosintseva Tatiana2536Russian Team24614,0850,01
22IMUshenina Anna2448Ukrain24603,5750,01
23IMGoletiani Rusudan2391American Team24024,0850,02
24Ju Wenjun2443China Team One24003,5750,03
25WGMZdebska Natalia2410Ukrain23953,5658,34
26WIMZhang Xiaowen2391China Team Two23943,5843,81
27WGMHoang Thi Bao Tram2265Vietnam Team23933,0837,51
28WGMMajdan Joanna2361Poland Team23814,0757,13
29IMRomanko Marina2453Russian Team23703,0650,03
30WFMHoang Thi Nhu Y2114Vietnam Team23343,5843,82
31WGMZawadzka Jolanta2414Poland Team23303,0837,52
32IMDanielian Elina2489Armenian Team23282,5831,31
33IMZatonskykh Anna2462American Team23282,0633,31
34WGMAginian Nelli2307Armenian Team23223,5750,03
35WFMDing Yixin2321China Team Two23193,0650,03
36WGMMary Ann Gomes2396India Team23093,0742,93
37Wang Xiaohui2223China Team Two23063,0650,04
38IMLomineishvili Maia2378Georgian Team22942,5550,04
39IMMuzychuk Mariya2443Ukrain22831,5437,53
40WIMSzczepkowska-Horowska Karina2321Poland Team22631,5350,04
41IMSachdev Tania2405India Team22531,5625,02
42WFMAbrahamian Tatev2275American Team22282,5641,74
43WIMPham Le Thao Nguyen2301Vietnam Team22101,5721,42
44WGMNadig Kruttika2273India Team22071,0333,34
45IMKhukhashvili Sopiko2451Georgian Team21722,0633,33
46WFMPham Bich Ngoc2145Vietnam Team20951,0616,73
47IMWang Yu A2380China Team Two20410,5510,02

Annotation: forfeit points are ignored

source:http://www.chessresults.com

Performance Rating is a hypothetical rating that would result from the games of a single event only. The FIDE calculates performance rating by means of the formula: Opponents' Rating Average + Rating Difference. Rating Difference dp is based on a player's tournament percentage score p, which is then used as the key in a lookup table. p is simply the number of points scored divided by the number of games played. Note that, in case of a perfect or no score dp is indeterminate. source:http://en.wikipedia.org/wiki/Elo_rating_system#Performance_rating

If you are interested in the mathematics of the rating system and how rating performances are calculated mathematically please visit this link:http://www.fide.com/component/handbook/?id=73&view=article



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