Vichnar, David February 2023 FIDE Individual Chess Calculations

Individual Calculations February 2023

Vichnar, David Total change: -2.20

2. liga C 2022-2023 r6-7			various		CZE	2023-01-08
Rc	Ro			w	n	change	K	*Kchg**	Game
2250	2335			1.00	2	-0.24	10	-2.40

Vitak, Jiri		2257	CZE	0.50	1	-0.11	10	-1.10
Rehorek, Martin		2243	CZE	0.50	1	-0.13	10	-1.30
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)

PSS KP (Prebor) druzstev 2022-2023 r1-3			Prague		CZE	2023-01-09
Rc	Ro			w	n	change	K	*Kchg**	Game
2186	2335			1.00	1	0.30	10	3.00

Bauma, Jiri	f	2186	CZE	1.00	1	0.30	10	3.00
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)

PSS KS 1.1 (1. trida) druzstev 2022-2023 r1-3			Prague		CZE	2023-01-09
Rc	Ro			w	n	change	K	*Kchg**	Game
2110	2335			0.50	1	-0.28	10	-2.80

Burdik, Lubomir		2110	CZE	0.50	1	-0.28	10	-2.80
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)

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