Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oosthuyzen, J (James)

Chess SA id

1110154311

FIDE id

Date of birth

2011-10-04 (U16)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1193.4	1200	1193.8	1200
Raw rating	1193.4	1200	1193.8	1200
Weighted rating	1189.1	1200	1184.3	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	167.4	165.8	167.3	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2024-02-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2024-02-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1193.4	1200	1193.8	1200
Analysis
Rating	1193.4	1200	1193.8	1200
Raw rating	1193.4	1200	1193.8	1200
Weighted rating	1189.1	1200	1184.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	167.4	165.8	167.3	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	1193.4	1200	1193.8	1200
New weighted rating	1189.8	1200	1186	1200
New weighted performance	0	0	0	0
Temp new rating	1193.4	1200	1193.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1193.4	1200	1193.8	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	0	0
	7	7
	7	7
	0	0
	0	0
History	14	14

Games since
	Main 7	Standard 0		Rapid 7		Blitz 0
Gender	Male
Age group	U16
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
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	14	6	42.86	-60.7	1220.8	1160
Standard	0	0	0	0	0	0
Rapid	14	6	42.86	-60.7	1220.8	1160
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1193.4	1200	1193.8	1200
2025-09-30	1193.4	1200	1193.8	1200
2025-09-01	1193.4	1200	1193.8	1200
2025-08-01	1193.4	1200	1193.8	1200
2025-07-01	1193.4	1200	1193.8	1200
2025-06-01	1193.4	1200	1193.8	1200
2025-05-01	1193.4	1200	1193.8	1200
2025-04-01	1193.4	1200	1193.8	1200
2025-03-01	1193.4	1200	1193.8	1200
2025-02-01	1193.4	1200	1193.8	1200
2025-01-01	1193.4	1200	1193.8	1200
2024-12-01	1193.4	1200	1193.8	1200
2024-11-01	1193.4	1200	1193.8	1200
2024-10-01	1193.4	1200	1193.8	1200
2024-09-01	1169.7	1200	1142	1200
2024-08-01	1169.7	1200	1142	1200
2024-07-01	1169.7	1200	1142	1200
2024-09-01	1169.7	1200	1142	1200
2024-05-01	1169.7	1200	1142	1200
2024-04-01	1169.7	1200	1142	1200
2024-03-01	1169.7	1200	1142	1200
2024-02-01	1169.7	1200	1142	1200
2024-01-01	1169.7	1200	1142	1200
2023-12-01	1169.7	1200	1142	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	Westville Senior Primary Chess Tournament 2024 (Senior Primary)	2024-09-07	2024-09-07	Rapid	Ethekwini (KED)	7	7	4	Yes	Analysis
2	Westville Senior Primary School Individual Invitational Chess Tournament 2023 (Senior Primary)	2023-04-22	2023-04-22	Rapid	Ethekwini (KED)	7	7	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 3	type Rapid	result 1	date 2024-09-07	rnd 4	type Rapid	result 1
		Opponent Luo, E (Ella)				Opponent Steveni, K (Kai)
2	1	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 6	type Rapid	result 1	date 2024-09-07	rnd 6	type Rapid	result 1
		Opponent Dady-Grant, C (Chase)				Opponent Dady-Grant, C (Chase)
3	1	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 1	type Rapid	result 1	date 2024-09-07	rnd 1	type Rapid	result 1
		Opponent Tsouris, N (Noah)				Opponent Tsouris, N (Noah)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 3	type Rapid	result 1	date 2024-09-07	rnd 4	type Rapid	result 1
		Opponent Luo, E (Ella)				Opponent Steveni, K (Kai)
2	1	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 6	type Rapid	result 1	date 2024-09-07	rnd 6	type Rapid	result 1
		Opponent Dady-Grant, C (Chase)				Opponent Dady-Grant, C (Chase)
3	1	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 1	type Rapid	result 1	date 2024-09-07	rnd 1	type Rapid	result 1
		Opponent Tsouris, N (Noah)				Opponent Tsouris, N (Noah)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 3	type Rapid	result 1	date 2024-09-07	rnd 4	type Rapid	result 1
		Opponent Luo, E (Ella)				Opponent Steveni, K (Kai)
2	1	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 6	type Rapid	result 1	date 2024-09-07	rnd 6	type Rapid	result 1
		Opponent Dady-Grant, C (Chase)				Opponent Dady-Grant, C (Chase)
3	1	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 1	type Rapid	result 1	date 2024-09-07	rnd 1	type Rapid	result 1
		Opponent Tsouris, N (Noah)				Opponent Tsouris, N (Noah)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 3	type Rapid	result 1	date 2024-09-07	rnd 4	type Rapid	result 1
		Opponent Luo, E (Ella)				Opponent Steveni, K (Kai)
2	1	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 6	type Rapid	result 1	date 2024-09-07	rnd 6	type Rapid	result 1
		Opponent Dady-Grant, C (Chase)				Opponent Dady-Grant, C (Chase)
3	1	Tournament Westville Senior Primary Chess Tournament 2024				Tournament Westville Senior Primary Chess Tournament 2024
		date 2024-09-07	rnd 1	type Rapid	result 1	date 2024-09-07	rnd 1	type Rapid	result 1
		Opponent Tsouris, N (Noah)				Opponent Tsouris, N (Noah)

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	Mazibiya ,G (Gugulethu)	1	1	425	0	0	0	1	1	425	0	0	0
1	Mazibiya ,G (Gugulethu)	1	1161.6	1586.6	0	0	0	1	1123.2	1586.6	0	0	0
2	Tsouris ,N (Noah)	1	1	425	0	0	0	1	1	425	0	0	0
2	Tsouris ,N (Noah)	1	1272.6	1697.6	0	0	0	1	1136.4	1697.6	0	0	0
3	Hough ,A (Aston)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Hough ,A (Aston)	1	1200	775	0	0	0	1	1200	775	0	0	0
4	Singh ,A (Arabella)	1	1	425	0	0	0	1	1	425	0	0	0
4	Singh ,A (Arabella)	1	1178.4	1603.4	0	0	0	1	1160	1603.4	0	0	0
5	Kalpee ,R (Rahul)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Kalpee ,R (Rahul)	1	1179.6	754.6	0	0	0	1	1200	754.6	0	0	0
6	Naguran ,J (Jevaan)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Naguran ,J (Jevaan)	1	1282.3	857.3	0	0	0	1	1301	857.3	0	0	0
7	Dady-Grant ,C (Chase)	1	1	425	0	0	0	1	1	425	0	0	0
7	Dady-Grant ,C (Chase)	1	1169.1	1594.1	0	0	0	1	1276	1594.1	0	0	0
8	Moodley ,S (Sadeyan)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Moodley ,S (Sadeyan)	1	1276.6	851.6	0	0	0	1	1285.1	851.6	0	0	0
9	Steveni ,K (Kai)	1	1	425	0	0	0	1	1	425	0	0	0
9	Steveni ,K (Kai)	1	1251.2	1676.2	0	0	0	1	1270.9	1676.2	0	0	0
10	Moorad ,Y (Yahya)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Moorad ,Y (Yahya)	1	1290.3	865.3	0	0	0	1	1245.2	865.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Oosthuyzen, J (James)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms