Chess South Africa Ratings Database

PLAYER TOURNAMENT ANALYSIS

Tournament analysis

Roos, J (Justin)

Chess SA id

1110099324

FIDE id

?

Date of birth

2011-01-27 (U16)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

47.2

Junior GPX Points

1458.6

TOURNAMENT
Tournament ID	20251022
Group ID	20251015
Tournament	South African Junior Closed Chess Championships 2025 (U14 Open)
Format	Individual Swiss
Rating type	Standard
Start	2025-03-31
End	2025-04-05
Rated	2025-04-09
Host	Cape Winelands (WCW)
Total time	120
Time weight	1
Official results	Official results
Tournament games	9
Tournament score	4.5
Final position	31
Shared position	27
Count for rating	Yes (OK)

Analysis

Type	Rating	Games	Score	%	Dp	Aor	Prat	We	SWe	1	=	0	+F	=F	Bye	=Bye	X
Main	1538.4	9	4.5	50	0	1549.8	1549.8	4.34	0.16	4	1	4	0	0	0	0	0
Standard	1540.2	9	4.5	50	0	1545	1545	4.41	0.09	4	1	4	0	0	0	0	0

Opponents

Rnd	Date	Opponent	Title	Reg	Fed	Main	Type	Col	Res	MWe	MSWe	TWe	TSWe
1	2025-03-31	Bain, M (Michael)		GTP	RSA	1705.4	1700.8	W	0	0.35	-0.35	0.35	-0.35
2	2025-03-31	Jonker, T (Tertius)		GTP	RSA	1428.9	1417.4	B	0	0.59	-0.59	0.6	-0.6
3	2025-04-01	Maponya, W (Warona)		GTP	RSA	1443.8	1439.7	W	0.5	0.65	-0.15	0.66	-0.16
4	2025-04-01	Arries, J (Jayde)		ENM	RSA	1375.2	1367.9	B	1	0.65	0.35	0.66	0.34
5	2025-04-03	Boshoff, R (Reinhardt)		GTP	RSA	1477.4	1471.6	W	1	0.61	0.39	0.62	0.38
6	2025-04-03	Coleman, A (Anthony)		WEG	RSA	1609.6	1626.4	B	1	0.38	0.62	0.36	0.64
7	2025-04-04	Guo, A (Aleks)		WCT	RSA	1646.5	1625.8	W	0	0.42	-0.42	0.44	-0.44
8	2025-04-04	Stuurman, P (Pedro)		ESB	RSA	1613.1	1593.5	B	1	0.37	0.63	0.4	0.6
9	2025-04-05	Mazikana, E (Ethan)		EBC	RSA	1648.4	1662.2	B	0	0.33	-0.33	0.32	-0.32