Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oosthuizen, R (Ruwan)

Chess SA id

1100149261

FIDE id

Date of birth

2010-12-22 (U16)

Gender

Male

Region

West Rand (GWR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1553.6	1552.7	1200	1200
Raw rating	1553.6	1552.7	1200	1200
Weighted rating	1553.6	1552.7	1200	1200
Weighted performance	1093.8	1093.1	0	0
Floor	1053.6	1052.7	700	700
K-factor	32	32	36	36
Min/Max rating change allowed	100.2	100.3	165.8	165.8
Highest rating	1570.3 2023-05-01	1569.4 2023-05-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1553.6 2024-03-01	1552.7 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1553.6 2025-04-01	1552.7 2025-04-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1570.3 2023-05-01	1569.4 2023-05-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1553.6	1552.7	1200	1200
Analysis
Rating	1553.6	1552.7	1200	1200
Raw rating	1553.6	1552.7	1200	1200
Weighted rating	1553.6	1552.7	1200
Weighted performance	1093.8	1093.1	0
K-factor	32	32	36	36
Floor	1053.6	1052.7	700	700
Max/Min rating change allowed	100.2	100.3	165.8	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1553.6	1552.7	1200	1200
New weighted rating	1553.6	1552.7	1200	1200
New weighted performance	1093.2	1092.6	0	0
Temp new rating	1553.6	1552.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1553.6	1552.7	1200	1200
New K-factor	32	32	36	36
New floor	1053.6	1052.7	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	25	25
	0	0
	0	0
History	25	25

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	West Rand (GWR)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	25	21	84	289	1274.2	1563.2
Standard	25	21	84	289	1274.2	1563.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1553.6	1552.7	1200	1200
2025-09-01	1553.6	1552.7	1200	1200
2025-08-01	1553.6	1552.7	1200	1200
2025-07-01	1553.6	1552.7	1200	1200
2025-06-01	1553.6	1552.7	1200	1200
2025-05-01	1553.6	1552.7	1200	1200
2025-04-01	1553.6	1552.7	1200	1200
2025-03-01	1553.6	1552.7	1200	1200
2025-02-01	1553.6	1552.7	1200	1200
2025-01-01	1553.6	1552.7	1200	1200
2024-12-01	1553.6	1552.7	1200	1200
2024-11-01	1553.6	1552.7	1200	1200
2024-10-01	1553.6	1552.7	1200	1200
2024-09-01	1553.6	1552.7	1200	1200
2024-08-01	1553.6	1552.7	1200	1200
2024-07-01	1553.6	1552.7	1200	1200
2024-06-01	1553.6	1552.7	1200	1200
2024-08-01	1553.6	1552.7	1200	1200
2024-04-01	1553.6	1552.7	1200	1200
2024-03-01	1553.6	1552.7	1200	1200
2024-02-01	1553.6	1552.7	1200	1200
2024-01-01	1553.6	1552.7	1200	1200
2023-12-01	1553.6	1552.7	1200	1200
2023-11-01	1553.6	1552.7	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	D2 Schools Individuals 2023 (U13 Boys)	2023-05-13	2023-05-13	Standard	West Rand (GWR)	5	5	5	Yes	Analysis
2	Gauteng Schools Individual Finals 2023 (U13 Boys)	2023-05-26	2023-05-26	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
3	West Rand Juniors 2023 (U14)	2023-03-18	2023-03-18	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
4	WR Tournament and Coaching 2023 (U14)	2023-02-25	2023-02-25	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
5	2023 West Rand Open (U14)	2023-02-04	2023-02-04	Standard	West Rand (GWR)	5	5	4	Yes	Analysis

#	Games	Start				End
1	7	Tournament West Rand Juniors 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-03-18	rnd 5	type Standard	result 1	date 2023-05-26	rnd 1	type Standard	result 1
		Opponent Menyatsoe, T (Tshepo)				Opponent Ndebele, L (Lwandle)
2	4	Tournament WR Tournament and Coaching 2023				Tournament West Rand Juniors 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-03-18	rnd 3	type Standard	result 1
		Opponent Hearn, D (Dario)				Opponent Mitchell, D (Daine)
3	4	Tournament 2023 West Rand Open				Tournament 2023 West Rand Open
		date 2023-02-04	rnd 1	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Human, H (Hanno)				Opponent Tibane, H (Hanyani)

#	Games	Start				End
1	7	Tournament West Rand Juniors 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-03-18	rnd 5	type Standard	result 1	date 2023-05-26	rnd 1	type Standard	result 1
		Opponent Menyatsoe, T (Tshepo)				Opponent Ndebele, L (Lwandle)
2	4	Tournament WR Tournament and Coaching 2023				Tournament West Rand Juniors 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-03-18	rnd 3	type Standard	result 1
		Opponent Hearn, D (Dario)				Opponent Mitchell, D (Daine)
3	4	Tournament 2023 West Rand Open				Tournament 2023 West Rand Open
		date 2023-02-04	rnd 1	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Human, H (Hanno)				Opponent Tibane, H (Hanyani)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament West Rand Juniors 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-03-18	rnd 5	type Standard	result 1	date 2023-05-26	rnd 1	type Standard	result 1
		Opponent Menyatsoe, T (Tshepo)				Opponent Ndebele, L (Lwandle)
2	4	Tournament WR Tournament and Coaching 2023				Tournament West Rand Juniors 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-03-18	rnd 3	type Standard	result 1
		Opponent Hearn, D (Dario)				Opponent Mitchell, D (Daine)
3	4	Tournament 2023 West Rand Open				Tournament 2023 West Rand Open
		date 2023-02-04	rnd 1	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Human, H (Hanno)				Opponent Tibane, H (Hanyani)

#	Games	Start				End
1	7	Tournament West Rand Juniors 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-03-18	rnd 5	type Standard	result 1	date 2023-05-26	rnd 1	type Standard	result 1
		Opponent Menyatsoe, T (Tshepo)				Opponent Ndebele, L (Lwandle)
2	4	Tournament WR Tournament and Coaching 2023				Tournament West Rand Juniors 2023
		date 2023-02-25	rnd 5	type Standard	result 1	date 2023-03-18	rnd 3	type Standard	result 1
		Opponent Hearn, D (Dario)				Opponent Mitchell, D (Daine)
3	4	Tournament 2023 West Rand Open				Tournament 2023 West Rand Open
		date 2023-02-04	rnd 1	type Standard	result 1	date 2023-02-04	rnd 4	type Standard	result 1
		Opponent Human, H (Hanno)				Opponent Tibane, H (Hanyani)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Baburam ,K (Kailum)	2	1	0	2	1	0	0	0	0	0	0	0
1	Baburam ,K (Kailum)	2	1228.6	1228.6	2	1234	1228.6	0	0	0	0	0	0
2	Jonker ,R (Reagan)	2	2	425	2	2	425	0	0	0	0	0	0
2	Jonker ,R (Reagan)	2	1328.4	1753.4	2	1325.5	1753.4	0	0	0	0	0	0
3	Tibane ,H (Hanyani)	2	2	425	2	2	425	0	0	0	0	0	0
3	Tibane ,H (Hanyani)	2	1387.1	1812.1	2	1378	1812.1	0	0	0	0	0	0
4	De Wet ,K (Kai)	2	2	425	2	2	425	0	0	0	0	0	0
4	De Wet ,K (Kai)	2	1223.6	1648.6	2	1229	1648.6	0	0	0	0	0	0
5	Fourie ,JM (Johannes Marthinus)	1	1	425	1	1	425	0	0	0	0	0	0
5	Fourie ,JM (Johannes Marthinus)	1	1333.6	1758.6	1	1331.9	1758.6	0	0	0	0	0	0
6	Mbatha ,S (Sandile)	1	1	425	1	1	425	0	0	0	0	0	0
6	Mbatha ,S (Sandile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Menyatsoe ,R (Refiloe)	1	1	425	1	1	425	0	0	0	0	0	0
7	Menyatsoe ,R (Refiloe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Hearn ,D (Dario)	1	1	425	1	1	425	0	0	0	0	0	0
8	Hearn ,D (Dario)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Human ,H (Hanno)	1	1	425	1	1	425	0	0	0	0	0	0
9	Human ,H (Hanno)	1	1202.6	1627.6	1	1204	1627.6	0	0	0	0	0	0
10	Bogaard ,FK (Franco Konrad)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Bogaard ,FK (Franco Konrad)	1	1385.1	960.1	1	1373.6	960.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Oosthuizen, R (Ruwan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms