Polyakin, Vladimir September 2011 FIDE Individual Chess Calculations

Individual Calculations September 2011

Polyakin, Vladimir Total change: 13.50

2011 Marshall June Grand Prix			New York, New York		USA	2011-06-25
Rc	Ro			w	n	change	K	*Kchg**	Game
2200	2097			1.50	3	0.32	15	4.80

Rohde, Michael A	g	2465	USA	0.00	1	-0.10	15	-1.50
West, James R		2150	USA	0.50	1	0.07	15	1.05
Frumkin, Edward A		1985	USA	1.00	1	0.35	15	5.25
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 World Open - U2200 Section			Philadelphia, Pennsylvania		USA	2011-06-28
Rc	Ro			w	n	change	K	*Kchg**	Game
1984	2097			1.00	2	-0.26	15	-3.90

Chandra, Kevin		1809	USA	1.00	1	0.16	15	2.40
Xu, Yuan		2158	USA	0.00	1	-0.42	15	-6.30
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)

2011 Marshall July Grand Prix			New York, New York		USA	2011-07-16
Rc	Ro			w	n	change	K	*Kchg**	Game
2243	2084			1.00	2	0.41	15	6.15

Pressman, Leif A		2280	USA	0.00	1	-0.25	15	-3.75
Treger, Yefim		2205	USA	1.00	1	0.66	15	9.90
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)

17th Annual Northeast Open			Stamford, Connecticut		USA	2011-08-05
Rc	Ro			w	n	change	K	*Kchg**	Game
2056	2084			1.50	2	0.43	15	6.45

Meredith, Matthew		2059	USA	0.50	1	-0.03	15	-0.45
Ding, Andrew		2053	USA	1.00	1	0.46	15	6.90
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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