Lenderman, Alex September 2009 FIDE Individual Chess Calculations

Individual Calculations September 2009

Lenderman, Alex Total change: 38.30

2nd New York International			New York, NY		USA	2009-06-19
Rc	Ro			w	n	change	K	*Kchg**	Game
2340	2434			2.50	5	-0.61	10	-6.10

Goikhman, Valentin		2209	ISR	1.00	1	0.22	10	2.20
Arnold, Mark T	m	2408	USA	0.00	1	-0.54	10	-5.40
Jacobs, Jon	f	2307	USA	1.00	1	0.33	10	3.30
Braylovskiy, Grigory		2358	USA	0.50	1	-0.10	10	-1.00
Gerzhoy, Leonid	m	2420	CAN	0.00	1	-0.52	10	-5.20
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)

3rd Annual Philadelphia International			Philadelphia, Pennsylvania		USA	2009-06-25
Rc	Ro			w	n	change	K	*Kchg**	Game
2392	2434			7.00	9	2.05	10	20.50

Qin, Ziyi		2145	CAN	1.00	1	0.16	10	1.60
Dougherty, Michael	f	2203	CAN	1.00	1	0.21	10	2.10
Stocek, Jiri	g	2573	CZE	0.50	1	0.19	10	1.90
Mikhalevski, Victor	g	2625	ISR	0.00	1	-0.25	10	-2.50
Cheng, Bindi	f	2361	CAN	1.00	1	0.40	10	4.00
Garcia, Gildardo J	g	2401	COL	1.00	1	0.45	10	4.50
Shankland, Samuel	m	2446	USA	0.50	1	0.02	10	0.20
Stopa, Jacek	m	2471	POL	1.00	1	0.55	10	5.50
Ravichandran, Siddharth		2303	IND	1.00	1	0.32	10	3.20
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)

37th Annual World Open - Open Section			Philadelphia, Pennsylvania		USA	2009-06-29
Rc	Ro			w	n	change	K	*Kchg**	Game
2520	2434			6.00	9	2.51	10	25.10

Thavandiran, Shiyam	f	2291	CAN	1.00	1	0.31	10	3.10
Molner, Mackenzie		2384	USA	1.00	1	0.43	10	4.30
Ehlvest, Jaan	g	2606	USA	0.50	1	0.23	10	2.30
Stopa, Jacek	m	2471	POL	1.00	1	0.55	10	5.50
Mikhalevski, Victor	g	2625	ISR	0.50	1	0.25	10	2.50
Najer, Evgeny	g	2669	RUS	0.00	1	-0.21	10	-2.10
Fedorowicz, John P	g	2485	USA	0.50	1	0.07	10	0.70
Ramirez, Alejandro	g	2563	CRC	1.00	1	0.67	10	6.70
Gareev, Timur	g	2590	UZB	0.50	1	0.21	10	2.10
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 Junior Championship			Waukesha, Wisconsin		USA	2009-07-12
Rc	Ro			w	n	change	K	*Kchg**	Game
2375	2504			4.00	7	-0.68	10	-6.80

Liu, Elliott J	f	2356	USA	0.00	1	-0.70	10	-7.00
Bercys, Salvijus	m	2434	USA	0.50	1	-0.10	10	-1.00
Banawa, Joel	f	2340	USA	1.00	1	0.28	10	2.80
Coleman, Maxx W		2212	USA	1.00	1	0.15	10	1.50
Lee, Michael	f	2347	USA	1.00	1	0.29	10	2.90
Robson, Ray	m	2491	USA	0.00	1	-0.52	10	-5.20
Shankland, Samuel	m	2448	USA	0.50	1	-0.08	10	-0.80
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)

14th Annual Bradley Open			Windsor Locks, Connecticut		USA	2009-07-24
Rc	Ro			w	n	change	K	*Kchg**	Game
2195	2504			3.00	4	-0.36	10	-3.60

Castaneda, Andres		2169	USA	1.00	1	0.12	10	1.20
Sells, Philip G		2104 *	USA	1.00	1	0.08	10	0.80
Hungaski, Robert A	m	2401	USA	0.00	1	-0.64	10	-6.40
Raghunathan, Yogesh		2104 *	USA	1.00	1	0.08	10	0.80
* 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)

110th Annual US Open			Indianapolis, Indiana		USA	2009-08-01
Rc	Ro			w	n	change	K	*Kchg**	Game
2305	2504			4.50	5	0.92	10	9.20

Cohen, Lawrence S		2104 *	USA	1.00	1	0.08	10	0.80
O`Donnell, Robert		2104 *	USA	1.00	1	0.08	10	0.80
Fedorowicz, John P	g	2469	USA	1.00	1	0.45	10	4.50
Hilton, Jonathan L		2272	USA	1.00	1	0.21	10	2.10
Kudrin, Sergey	g	2578	USA	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)

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