Chess South Africa Ratings Database

PLAYER PAGE

Personal

Weideman, HJ (Hendrik Johannes)

Chess SA id

186042532

FIDE id

Date of birth

1986-01-10 (Adult)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1507.1	1509.7	1389.9	1393
Raw rating	1507.1	1509.7	1389.3	1392.9
Weighted rating	1433.2	1438.9	1389.9	1393
Weighted performance	1465.1	1469.7	0	0
Floor	1007.1	1010.4	893	893
K-factor	32	32	36	36
Min/Max rating change allowed	107.1	106.7	126.6	126
Highest rating	1507.1 2025-09-01	1510.4 2025-08-01	1393 2018-12-01	1393 2018-12-01
Highest raw rating	1507.1 2025-09-01	1510.4 2025-08-01	1393 2024-02-01	1393 2024-02-01
Highest weighted rating	1501.5 2018-12-01	1423.3 2025-09-01	1393 2018-12-01	1393 2018-12-01
Highest weighted performance	1506.1 2025-08-01	1510.4 2024-02-01	1203.8 2022-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-0	-0
New rating	1507.1	1509.7	1389.9	1393
Analysis
Rating	1507.1	1509.7	1389.9	1393
Raw rating	1507.1	1509.7	1389.3	1392.9
Weighted rating	1433.2	1438.9	1389.9
Weighted performance	1465.1	1469.7	0
K-factor	32	32	36	36
Floor	1007.1	1010.4	893	893
Max/Min rating change allowed	107.1	106.7	126.6	126
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	1507.1	1509.7	1389.3	1392.9
New weighted rating	1440.8	1446.1	1389.9	1393
New weighted performance	1456.2	1460.8	0	0
Temp new rating	1507.1	1509.7	1389.9	1393
Temp new rating +/-	0	0	-0	-0
Final new rating +/-	0	0	-0	-0
New rating	1507.1	1509.7	1389.9	1393
New K-factor	32	32	36	36
New floor	1007.1	1010.4	893	893

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	69	56	4	9
	0	0	0	0
	0	0	0	0
	4	0	4	0
	0	0	0	0
History	84	67	8	9

Games since
	Main 69	Standard 56		Rapid 4		Blitz 9
Gender	Male
Age group	Adult
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	1219		13		10
Male	1047		13		10
Adult	412		10		7
Adult Male	383		10		7
Standard
	RSA		Province		Region
Overall	1143		11		8
Male	983		11		8
Adult	381		8		5
Adult Male	354		8		5
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	69	36.5	52.9	24.6	1474.6	1499.2
Standard	56	30	53.57	30.4	1447.2	1477.6
Rapid	4	1.5	37.5	-106.2	1572.1	1465.8
Blitz	9	5	55.56	47.2	1601.2	1648.4
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	73	38.5	52.74	23.3	1464.6	1487.9
Standard	56	30	53.57	30.4	1447.2	1477.6
Rapid	8	3.5	43.75	-53.1	1432.2	1379.1
Blitz	9	5	55.56	47.2	1601.2	1648.4

Date	Main	Standard	Rapid	Blitz
2025-11-01	1507.1	1509.7	1389.3	1392.9
2025-09-30	1507.1	1509.7	1389.3	1392.9
2025-09-01	1507.1	1509.7	1389.3	1392.9
2025-08-01	1506.1	1510.4	1389.3	1392.9
2025-07-01	1501.5	1497.3	1388.9	1393
2025-06-01	1419.5	1422.4	1388.5	1393
2025-05-01	1404.4	1410.4	1388	1393
2025-04-01	1404.4	1410.4	1387.4	1393
2025-03-01	1386.5	1392.8	1386.7	1393
2025-02-01	1390.7	1393	1385.1	1393
2025-01-01	1382.3	1393	1393	1393
2024-12-01	1382.3	1393	1393	1393
2024-11-01	1382.3	1393	1393	1393
2024-10-01	1382.3	1393	1393	1393
2024-09-01	1382.3	1393	1393	1393
2024-08-01	1382.3	1393	1393	1393
2024-07-01	1382.3	1393	1393	1393
2024-09-01	1382.3	1393	1393	1393
2024-05-01	1382.3	1393	1393	1393
2024-04-01	1382.3	1393	1393	1393
2024-03-01	1382.3	1393	1393	1393
2024-02-01	1382.3	1393	1393	1393
2024-01-01	1382.3	1393	1393	1393
2023-12-01	1382.3	1393	1359.5	1393

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	Free State Closed 2025 (Adult Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	4	2	Yes	Analysis
2	2025 Wynie Robbertse Chess Tournament (B)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
3	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	5.5	Yes	Analysis
4	South African Open 2025 (Blitz)	2025-07-02	2025-07-02	Blitz	Johannesburg Metro (GJM)	9	9	5	Yes	Analysis
5	2025 Elise Steenkamp Open Chess Tournament (Queen)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	5	Yes	Analysis
6	Mangaung Metro Chess 9-10 May 2025 (A)	2025-05-09	2025-05-10	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
7	2025 Silver Lakes Chess Club Open Chess Tournament (C)	2025-05-03	2025-05-03	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
8	2025 Chris Greyling Open Chess Tournament (C)	2025-03-15	2025-03-15	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
9	AHS Open Chess Tournament 2025 (C)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
10	2025 KSNG Open (C)	2025-02-22	2025-02-22	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
11	2025 Blou Bul Open Chess Tournament (C)	2025-02-08	2025-02-08	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
12	Mangaung Metro Chess 25 January 2025 (A)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	4	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Free State Closed 2025 (Adult Open)	2025-08-14	2025-08-15	Standard	Mangaung (FMB)	5	4	2	Yes	Analysis
2	2025 Wynie Robbertse Chess Tournament (B)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
3	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	5.5	Yes	Analysis
4	South African Open 2025 (Blitz)	2025-07-02	2025-07-02	Blitz	Johannesburg Metro (GJM)	9	9	5	Yes	Analysis
5	2025 Elise Steenkamp Open Chess Tournament (Queen)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	5	Yes	Analysis
6	Mangaung Metro Chess 9-10 May 2025 (A)	2025-05-09	2025-05-10	Standard	Mangaung (FMB)	5	5	2.5	Yes	Analysis
7	2025 Silver Lakes Chess Club Open Chess Tournament (C)	2025-05-03	2025-05-03	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
8	2025 Chris Greyling Open Chess Tournament (C)	2025-03-15	2025-03-15	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
9	AHS Open Chess Tournament 2025 (C)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
10	2025 KSNG Open (C)	2025-02-22	2025-02-22	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
11	2025 Blou Bul Open Chess Tournament (C)	2025-02-08	2025-02-08	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
12	Mangaung Metro Chess 25 January 2025 (A)	2025-01-25	2025-01-25	Rapid	Mangaung (FMB)	5	4	1.5	Yes	Analysis
13	Morris Club Championship 2022	2022-02-26	2022-02-26	Rapid	Mangaung (FMB)	5	4	2	Yes	Analysis

#	Games	Start				End
1	6	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 7	type Blitz	result 1	date 2025-07-04	rnd 9	type Standard	result 0.5
		Opponent van der Westhuizen, N (Niel)				Opponent Bayani, P (Pelontle)
2	6	Tournament 2025 Elise Steenkamp Open Chess Tournament				Tournament 2025 Elise Steenkamp Open Chess Tournament
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-16	rnd 7	type Standard	result 1
		Opponent Kruger, S (Stefan)				Opponent Adamson, LJ (Luke Jonathan)
3	5	Tournament 2025 Silver Lakes Chess Club Open Chess Tournament				Tournament Mangaung Metro Chess 9-10 May 2025
		date 2025-05-03	rnd 4	type Standard	result 0.5	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Van Der Merwe, AP (Altus Philip)				Opponent Kamolane, T (Thapelo)

#	Games	Start				End
1	6	Tournament 2025 Elise Steenkamp Open Chess Tournament				Tournament 2025 Elise Steenkamp Open Chess Tournament
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-16	rnd 7	type Standard	result 1
		Opponent Kruger, S (Stefan)				Opponent Adamson, LJ (Luke Jonathan)
2	5	Tournament 2025 Silver Lakes Chess Club Open Chess Tournament				Tournament Mangaung Metro Chess 9-10 May 2025
		date 2025-05-03	rnd 4	type Standard	result 0.5	date 2025-05-10	rnd 3	type Standard	result 1
		Opponent Van Der Merwe, AP (Altus Philip)				Opponent Kamolane, T (Thapelo)
3	4	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-01	rnd 6	type Standard	result 1	date 2025-07-04	rnd 9	type Standard	result 0.5
		Opponent Mbelekane, H (Hloma)				Opponent Bayani, P (Pelontle)

#	Games	Start				End
1	3	Tournament Morris Club Championship 2022				Tournament Mangaung Metro Chess 25 January 2025
		date 2022-02-26	rnd 4	type Rapid	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent De Klerk, K (Kai)				Opponent De Villiers, H (Hj)
2	1	Tournament Mangaung Metro Chess 25 January 2025				Tournament Mangaung Metro Chess 25 January 2025
		date 2025-01-25	rnd 4	type Rapid	result 0.5	date 2025-01-25	rnd 4	type Rapid	result 0.5
		Opponent Van Biljon, S (Sarel)				Opponent Van Biljon, S (Sarel)
3	1	Tournament Morris Club Championship 2022				Tournament Morris Club Championship 2022
		date 2022-02-26	rnd 2	type Rapid	result 0.5	date 2022-02-26	rnd 2	type Rapid	result 0.5
		Opponent Matlakala, R (Reanetse)				Opponent Matlakala, R (Reanetse)

#	Games	Start				End
1	3	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 7	type Blitz	result 1	date 2025-07-02	rnd 9	type Blitz	result 0.5
		Opponent van der Westhuizen, N (Niel)				Opponent Tokoyi, R (Romeo)
2	3	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 3	type Blitz	result 1	date 2025-07-02	rnd 5	type Blitz	result 1
		Opponent Fidzani, A (Ame Atang)				Opponent Ramonyai, M (Motshabo)

#	Games	Start				End
1	3	Tournament 2025 Elise Steenkamp Open Chess Tournament				Tournament 2025 Elise Steenkamp Open Chess Tournament
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-15	rnd 4	type Standard	result 1
		Opponent Kruger, S (Stefan)				Opponent Dsouza, E (Ethan)
2	2	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-14	rnd 1	type Standard	result 1	date 2025-08-14	rnd 2	type Standard	result 1
		Opponent Seutloali, T (Thabiso)				Opponent Kamolane, T (Thapelo)
3	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 7	type Blitz	result 1	date 2025-07-02	rnd 8	type Blitz	result 1
		Opponent van der Westhuizen, N (Niel)				Opponent Rakubutu, P (Pabatso)

#	Games	Start				End
1	3	Tournament 2025 Elise Steenkamp Open Chess Tournament				Tournament 2025 Elise Steenkamp Open Chess Tournament
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-15	rnd 4	type Standard	result 1
		Opponent Kruger, S (Stefan)				Opponent Dsouza, E (Ethan)
2	2	Tournament Free State Closed 2025				Tournament Free State Closed 2025
		date 2025-08-14	rnd 1	type Standard	result 1	date 2025-08-14	rnd 2	type Standard	result 1
		Opponent Seutloali, T (Thabiso)				Opponent Kamolane, T (Thapelo)
3	2	Tournament 2025 Silver Lakes Chess Club Open Chess Tournament				Tournament Mangaung Metro Chess 9-10 May 2025
		date 2025-05-03	rnd 5	type Standard	result 1	date 2025-05-09	rnd 1	type Standard	result 1
		Opponent Stelloh, M (Marcus)				Opponent Molemi, K (Katleho)

#	Games	Start				End
1	1	Tournament Mangaung Metro Chess 25 January 2025				Tournament Mangaung Metro Chess 25 January 2025
		date 2025-01-25	rnd 2	type Rapid	result 1	date 2025-01-25	rnd 2	type Rapid	result 1
		Opponent De Villiers, H (Hj)				Opponent De Villiers, H (Hj)
2	1	Tournament Morris Club Championship 2022				Tournament Morris Club Championship 2022
		date 2022-02-26	rnd 4	type Rapid	result 1	date 2022-02-26	rnd 4	type Rapid	result 1
		Opponent De Klerk, K (Kai)				Opponent De Klerk, K (Kai)

#	Games	Start				End
1	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 7	type Blitz	result 1	date 2025-07-02	rnd 8	type Blitz	result 1
		Opponent van der Westhuizen, N (Niel)				Opponent Rakubutu, P (Pabatso)
2	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 5	type Blitz	result 1	date 2025-07-02	rnd 5	type Blitz	result 1
		Opponent Ramonyai, M (Motshabo)				Opponent Ramonyai, M (Motshabo)
3	1	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-02	rnd 3	type Blitz	result 1	date 2025-07-02	rnd 3	type Blitz	result 1
		Opponent Fidzani, A (Ame Atang)				Opponent Fidzani, A (Ame Atang)

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	Kgotse ,T (Thoriso)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Kgotse ,T (Thoriso)	3	1467.7	1467.7	3	1485.6	1467.7	0	0	0	0	0	0
2	Baloyi ,B (Boikanyo)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Baloyi ,B (Boikanyo)	2	1527.2	1314.7	2	1528.2	1314.7	0	0	0	0	0	0
3	Senatle ,K (Kamogelo)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Senatle ,K (Kamogelo)	2	1691.8	1266.8	2	1677.1	1266.8	0	0	0	0	0	0
4	Kamolane ,T (Thapelo)	2	2	425	2	2	425	0	0	0	0	0	0
4	Kamolane ,T (Thapelo)	2	1428.4	1853.4	2	1417.4	1853.4	0	0	0	0	0	0
5	Pretorius ,L (Leighan)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
5	Pretorius ,L (Leighan)	2	1516.2	1303.8	1	1475.7	1516.2	1	1417.8	1091.2	0	0	0
6	Tan ,H (Herman Qiyuan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Tan ,H (Herman Qiyuan)	1	1481.6	1056.6	1	1474.4	1056.6	0	0	0	0	0	0
7	Bayani ,P (Pelontle)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Bayani ,P (Pelontle)	1	1709	1709	1	1709	1709	0	0	0	0	0	0
8	Snyckers ,FA (Frank Alexander)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Snyckers ,FA (Frank Alexander)	1	1536.2	1111.2	1	1545.7	1111.2	0	0	0	0	0	0
9	Mabena ,M (Maliyakhe)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mabena ,M (Maliyakhe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Mphasha ,ME (Morwa Elsius)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Mphasha ,ME (Morwa Elsius)	1	1332	907	1	1332	907	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

Weideman, HJ (Hendrik Johannes)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms