Arnold, Rhys February 2023 FIDE Individual Chess Calculations

Individual Calculations February 2023

Arnold, Rhys Total change: 95.37

Chessfestival Groningen 2022 Open B				Groningen		NED	2022-12-21
Rc	Ro				w	n	change	K	*Kchg**	Game
1862	1912				6.50	9	1.38	33	45.54

Slikker, Willem			1791	NED	1.00	1	0.34	33	11.22
Alhejab, Meshal			1857	KUW	1.00	1	0.42	33	13.86
Bruggink, Tycho			1865	NED	0.50	1	-0.07	33	-2.31
Broersma, Sven			1757	NED	0.50	1	-0.21	33	-6.93
Ritter, Uwe			1855	GER	1.00	1	0.42	33	13.86
Jelic, Bruno			2039	NED	1.00	1	0.67	33	22.11
Bakija, Alan			1898	NED	0.50	1	-0.02	33	-0.66
Goudriaan, Rafael			1771	NED	0.50	1	-0.19	33	-6.27
Boeren, Jurriaan			1923	NED	0.50	1	0.02	33	0.66
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)

Tata Steel weekendvierkampen 2023				Wijk aan Zee		NED	2023-01-13
Rc	Ro				w	n	change	K	*Kchg**	Game
1977	1907				2.50	3	1.30	33	42.90

Dudink, Bas			1940	NED	0.50	1	0.05	33	1.65
Piet, Joeri			2015	NED	1.00	1	0.65	33	21.45
Houweling, Bert			1976	NED	1.00	1	0.60	33	19.80
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)

Tata Steel Tienkampen 2023				Wijk aan Zee		NED	2023-01-20
Rc	Ro				w	n	change	K	*Kchg**	Game
1843	1907				5.50	9	0.21	33	6.93

Burer, Audry			1848	NED	0.50	1	-0.08	33	-2.64
Molenaar, Toine			1852	NED	0.00	1	-0.58	33	-19.14
Barthel, Bergit, Dr.		wf	1912	GER	0.50	1	0.01	33	0.33
Lambregts, Frank			1867	NED	0.50	1	-0.06	33	-1.98
Huijzer, Jacques			1810	NED	0.50	1	-0.13	33	-4.29
Van Der Zwan, Pieter			1802	NED	1.00	1	0.36	33	11.88
Veldhuysen, Klaas			1831	NED	1.00	1	0.40	33	13.20
Posthumus, Wim			1823	NED	0.50	1	-0.12	33	-3.96
Zondag, Jason			1841	NED	1.00	1	0.41	33	13.53
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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