Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oosthuizen, J (Jaques)

Chess SA id

175029029

FIDE id

Date of birth

1975-12-07 (Adult)

Gender

Male

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-19

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1260.4	1157.9	1169.4	1186.4
Raw rating	1260.4	1157.9	1169.4	1186.4
Weighted rating	1159.5	1124.7	1101.8	1128.5
Weighted performance	1219.7	0	0	0
Floor	773.7	682.4	669.4	686.4
K-factor	36	40	40	40
Min/Max rating change allowed	152.1	176.1	173.2	169
Highest rating	1273.7 2025-07-01	1242 2024-07-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1273.7 2025-07-01	1182.4 2025-05-05	1169.4 2025-07-01	1186.4 2025-04-01
Highest weighted rating	1273.7 2024-11-01	1182.4 2024-11-01	1088 2025-08-01	1114.5 2025-08-01
Highest weighted performance	1273.7 2025-07-01	1242 2024-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1260.4	1157.9	1169.4	1186.4
Analysis
Rating	1260.4	1157.9	1169.4	1186.4
Raw rating	1260.4	1157.9	1169.4	1186.4
Weighted rating	1159.5	1124.7	1101.8
Weighted performance	1219.7	0	0
K-factor	36	40	40	40
Floor	773.7	682.4	669.4	686.4
Max/Min rating change allowed	152.1	176.1	173.2	169
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	1260.4	1157.9	1169.4	1186.4
New weighted rating	1170.1	1128.7	1108.3	1135
New weighted performance	1219.2	0	0	0
Temp new rating	1260.4	1157.9	1169.4	1186.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1260.4	1157.9	1169.4	1186.4
New K-factor	36	40	40	40
New floor	773.7	682.4	669.4	686.4

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	28	14	7	7
	5	5	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
History	54	40	7	7

Games since
	Main 33	Standard 19		Rapid 7		Blitz 7
Gender	Male
Age group	Adult
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	28	13	46.43	-30.4	1421.1	1390.8
Standard	14	4.5	32.14	-151.8	1378.9	1227.1
Rapid	7	4	57.14	60.7	1448.9	1509.6
Blitz	7	4.5	64.29	121.4	1477.8	1599.2
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	33	15	45.45	-38.6	1406.9	1368.2
Standard	19	6.5	34.21	-134.2	1365.2	1231
Rapid	7	4	57.14	60.7	1448.9	1509.6
Blitz	7	4.5	64.29	121.4	1477.8	1599.2

Date	Main	Standard	Rapid	Blitz
2025-09-30	1260.4	1157.9	1169.4	1186.4
2025-09-01	1260.4	1157.9	1169.4	1186.4
2025-08-01	1260.4	1157.9	1169.4	1186.4
2025-07-01	1273.7	1149.7	1169.4	1186.4
2025-06-01	1165.8	1149.7	1072.9	1186.4
2025-05-01	1195.4	1182.4	1072.9	1186.4
2025-04-01	1140.5	1108.1	1072.9	1186.4
2025-03-01	1104.5	1108.1	1072.9	1072.9
2025-02-01	1104.5	1108.1	1072.9	1072.9
2025-01-01	1104.5	1108.1	1072.9	1072.9
2024-12-01	1104.5	1108.1	1072.9	1072.9
2024-11-01	1104.5	1108.1	1072.9	1072.9
2024-10-01	1104.5	1108.1	1072.9	1072.9
2024-09-01	1104.5	1108.1	1072.9	1072.9
2024-08-01	1104.5	1108.1	1072.9	1072.9
2024-07-01	1072.9	1072.9	1072.9	1072.9
2024-06-01	1072.9	1072.9	1072.9	1072.9
2024-08-01	1072.9	1072.9	1072.9	1072.9
2024-04-01	1072.9	1072.9	1072.9	1072.9
2024-03-01	1072.9	1072.9	1072.9	1072.9
2024-02-01	1072.9	1072.9	1072.9	1072.9
2024-01-01	1072.9	1072.9	1072.9	1072.9
2023-12-01	1072.9	1072.9	1072.9	1072.9
2023-11-01	1072.9	1072.9	1072.9	1072.9

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mbombela Chess Tournament 2025 (Open)	2025-07-19	2025-07-19	Standard	Ehlanzeni (MEN)	5	5	1.5	Yes	Analysis
2	Kolano Monthly Rapid Open 2025	2025-06-07	2025-06-07	Rapid	Ehlanzeni (MEN)	7	7	4	Yes	Analysis
3	Curro Open Chess Tournament 2025 (Open)	2025-05-10	2025-05-10	Standard	Ehlanzeni (MEN)	5	4	0	Yes	Analysis
4	Mpumalanga Open Chess Championship 2025 (B)	2025-04-19	2025-04-19	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
5	Blitz at Rocomamas (Chess@theMall) By Kolano 2025 (Open)	2025-03-15	2025-03-15	Blitz	Ehlanzeni (MEN)	7	7	4.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Mbombela Chess Tournament 2025 (Open)	2025-07-19	2025-07-19	Standard	Ehlanzeni (MEN)	5	5	1.5	Yes	Analysis
2	Kolano Monthly Rapid Open 2025	2025-06-07	2025-06-07	Rapid	Ehlanzeni (MEN)	7	7	4	Yes	Analysis
3	Curro Open Chess Tournament 2025 (Open)	2025-05-10	2025-05-10	Standard	Ehlanzeni (MEN)	5	4	0	Yes	Analysis
4	Mpumalanga Open Chess Championship 2025 (B)	2025-04-19	2025-04-19	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
5	Blitz at Rocomamas (Chess@theMall) By Kolano 2025 (Open)	2025-03-15	2025-03-15	Blitz	Ehlanzeni (MEN)	7	7	4.5	Yes	Analysis
6	Uplands Chess Tournament 2024 (Open)	2024-07-27	2024-07-27	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Uplands Chess Tournament 2024				Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025
		date 2024-07-27	rnd 5	type Standard	result 1	date 2025-03-15	rnd 3	type Blitz	result 1
		Opponent Ricardo, F (Fabila)				Opponent Sibanyoni, RE (Ruphas)
2	2	Tournament Kolano Monthly Rapid Open 2025				Tournament Kolano Monthly Rapid Open 2025
		date 2025-06-07	rnd 5	type Rapid	result 1	date 2025-06-07	rnd 6	type Rapid	result 1
		Opponent Shube, S (Sizwe Wayne)				Opponent Sebake, DF (Dirobela)
3	2	Tournament Kolano Monthly Rapid Open 2025				Tournament Kolano Monthly Rapid Open 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-06-07	rnd 3	type Rapid	result 1
		Opponent Simelane, O (Owethu)				Opponent Bhila, E (Eddie)

#	Games	Start				End
1	2	Tournament Mpumalanga Open Chess Championship 2025				Tournament Mpumalanga Open Chess Championship 2025
		date 2025-04-19	rnd 3	type Standard	result 1	date 2025-04-19	rnd 4	type Standard	result 1
		Opponent Vilavathu, V (Vaiga)				Opponent Nkosi, S (Sanele)
2	2	Tournament Uplands Chess Tournament 2024				Tournament Mpumalanga Open Chess Championship 2025
		date 2024-07-27	rnd 5	type Standard	result 1	date 2025-04-19	rnd 1	type Standard	result 1
		Opponent Ricardo, F (Fabila)				Opponent Nyambi, R (Rhandzu)
3	1	Tournament Mbombela Chess Tournament 2025				Tournament Mbombela Chess Tournament 2025
		date 2025-07-19	rnd 5	type Standard	result 0.5	date 2025-07-19	rnd 5	type Standard	result 0.5
		Opponent Shabangu, T (Thabo)				Opponent Shabangu, T (Thabo)

#	Games	Start				End
1	2	Tournament Kolano Monthly Rapid Open 2025				Tournament Kolano Monthly Rapid Open 2025
		date 2025-06-07	rnd 5	type Rapid	result 1	date 2025-06-07	rnd 6	type Rapid	result 1
		Opponent Shube, S (Sizwe Wayne)				Opponent Sebake, DF (Dirobela)
2	2	Tournament Kolano Monthly Rapid Open 2025				Tournament Kolano Monthly Rapid Open 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-06-07	rnd 3	type Rapid	result 1
		Opponent Simelane, O (Owethu)				Opponent Bhila, E (Eddie)

#	Games	Start				End
1	3	Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025				Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025
		date 2025-03-15	rnd 1	type Blitz	result 0.5	date 2025-03-15	rnd 3	type Blitz	result 1
		Opponent Ndimande, N (Nqobani)				Opponent Sibanyoni, RE (Ruphas)
2	1	Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025				Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025
		date 2025-03-15	rnd 7	type Blitz	result 1	date 2025-03-15	rnd 7	type Blitz	result 1
		Opponent Mokwena, B (Banele)				Opponent Mokwena, B (Banele)
3	1	Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025				Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025
		date 2025-03-15	rnd 5	type Blitz	result 1	date 2025-03-15	rnd 5	type Blitz	result 1
		Opponent Bhila, E (Eddie)				Opponent Bhila, E (Eddie)

#	Games	Start				End
1	2	Tournament Kolano Monthly Rapid Open 2025				Tournament Kolano Monthly Rapid Open 2025
		date 2025-06-07	rnd 5	type Rapid	result 1	date 2025-06-07	rnd 6	type Rapid	result 1
		Opponent Shube, S (Sizwe Wayne)				Opponent Sebake, DF (Dirobela)
2	2	Tournament Kolano Monthly Rapid Open 2025				Tournament Kolano Monthly Rapid Open 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-06-07	rnd 3	type Rapid	result 1
		Opponent Simelane, O (Owethu)				Opponent Bhila, E (Eddie)
3	2	Tournament Mpumalanga Open Chess Championship 2025				Tournament Mpumalanga Open Chess Championship 2025
		date 2025-04-19	rnd 3	type Standard	result 1	date 2025-04-19	rnd 4	type Standard	result 1
		Opponent Vilavathu, V (Vaiga)				Opponent Nkosi, S (Sanele)

#	Games	Start				End
1	2	Tournament Mpumalanga Open Chess Championship 2025				Tournament Mpumalanga Open Chess Championship 2025
		date 2025-04-19	rnd 3	type Standard	result 1	date 2025-04-19	rnd 4	type Standard	result 1
		Opponent Vilavathu, V (Vaiga)				Opponent Nkosi, S (Sanele)
2	2	Tournament Uplands Chess Tournament 2024				Tournament Mpumalanga Open Chess Championship 2025
		date 2024-07-27	rnd 5	type Standard	result 1	date 2025-04-19	rnd 1	type Standard	result 1
		Opponent Ricardo, F (Fabila)				Opponent Nyambi, R (Rhandzu)
3	1	Tournament Mbombela Chess Tournament 2025				Tournament Mbombela Chess Tournament 2025
		date 2025-07-19	rnd 2	type Standard	result 1	date 2025-07-19	rnd 2	type Standard	result 1
		Opponent Mxhego, Z (Zwelithini)				Opponent Mxhego, Z (Zwelithini)

#	Games	Start				End
1	2	Tournament Kolano Monthly Rapid Open 2025				Tournament Kolano Monthly Rapid Open 2025
		date 2025-06-07	rnd 5	type Rapid	result 1	date 2025-06-07	rnd 6	type Rapid	result 1
		Opponent Shube, S (Sizwe Wayne)				Opponent Sebake, DF (Dirobela)
2	2	Tournament Kolano Monthly Rapid Open 2025				Tournament Kolano Monthly Rapid Open 2025
		date 2025-06-07	rnd 2	type Rapid	result 1	date 2025-06-07	rnd 3	type Rapid	result 1
		Opponent Simelane, O (Owethu)				Opponent Bhila, E (Eddie)

#	Games	Start				End
1	2	Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025				Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025
		date 2025-03-15	rnd 2	type Blitz	result 1	date 2025-03-15	rnd 3	type Blitz	result 1
		Opponent Mhlaba, J (Judah)				Opponent Sibanyoni, RE (Ruphas)
2	1	Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025				Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025
		date 2025-03-15	rnd 7	type Blitz	result 1	date 2025-03-15	rnd 7	type Blitz	result 1
		Opponent Mokwena, B (Banele)				Opponent Mokwena, B (Banele)
3	1	Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025				Tournament Blitz at Rocomamas (Chess@theMall) By Kolano 2025
		date 2025-03-15	rnd 5	type Blitz	result 1	date 2025-03-15	rnd 5	type Blitz	result 1
		Opponent Bhila, E (Eddie)				Opponent Bhila, E (Eddie)

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	Mnisi ,MA (Mfanuzile Abednego)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Mnisi ,MA (Mfanuzile Abednego)	2	1500.9	1075.9	2	1499.8	1075.9	0	0	0	0	0	0
2	Tholo ,P (Phumuza)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Tholo ,P (Phumuza)	2	1562.8	1137.8	1	1501.2	1137.8	1	1413.6	1137.8	0	0	0
3	Sebake ,DF (Dirobela)	2	1	0	1	0	-425	1	1	425	0	0	0
3	Sebake ,DF (Dirobela)	2	1242.5	1242.5	1	1249.7	817.5	1	1076	1667.5	0	0	0
4	Ndimande ,N (Nqobani)	2	0.5	-212.5	1	0	-425	0	0	0	1	0.5	0
4	Ndimande ,N (Nqobani)	2	1470.1	1257.6	1	1401.7	1045.1	0	0	0	1	1140.1	1470.1
5	Phiri ,A (Allie)	2	0	-425	0	0	0	1	0	-425	1	0	-425
5	Phiri ,A (Allie)	2	1694.2	1269.2	0	0	0	1	1464.6	1269.2	1	1504.3	1269.2
6	Bhila ,E (Eddie)	2	2	425	0	0	0	1	1	425	1	1	425
6	Bhila ,E (Eddie)	2	1635.5	2060.5	0	0	0	1	1489.5	2060.5	1	1537.6	2060.5
7	Sihlangu ,H (Hlelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Sihlangu ,H (Hlelo)	1	1426.9	1001.9	1	1416.1	1001.9	0	0	0	0	0	0
8	Vilavathu ,V (Vaiga)	1	1	425	1	1	425	0	0	0	0	0	0
8	Vilavathu ,V (Vaiga)	1	1376.4	1801.4	1	1362.5	1801.4	0	0	0	0	0	0
9	Shabangu ,T (Thabo)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Shabangu ,T (Thabo)	1	1284.6	1284.6	1	1298	1284.6	0	0	0	0	0	0
10	Jele ,N (Nkosikhona)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Jele ,N (Nkosikhona)	1	1520	1095	1	1513.5	1095	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Oosthuizen, J (Jaques)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms