Chess South Africa Ratings Database

PLAYER PAGE

Personal

Esterhuizen, WJ (Willem Johannes)

Chess SA id

102064319

FIDE id

Date of birth

2002-07-04 (Adult)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2021-06-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1368	1375.2	949.6	949.6
Raw rating	1368	1375.2	949.6	949.6
Weighted rating	1368	1375.2	949.6	949.6
Weighted performance	525.6	524.5	0	0
Floor	868	875.2	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	130.5	129.2	236.9	236.9
Highest rating	1368 2024-02-01	1375.2 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1368 2024-02-01	1375.2 2024-02-01	949.6 2024-02-01	949.6 2024-02-01
Highest weighted rating	1368 2025-02-01	1375.2 2025-02-01	949.6 2024-11-01	949.6 2024-11-01
Highest weighted performance	1362 2019-05-01	1363.8 2019-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1368	1375.2	949.6	949.6
Analysis
Rating	1368	1375.2	949.6	949.6
Raw rating	1368	1375.2	949.6	949.6
Weighted rating	1368	1375.2	949.6
Weighted performance	525.6	524.5	0
K-factor	36	36	40	40
Floor	868	875.2	500	500
Max/Min rating change allowed	130.5	129.2	236.9	236.9
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	1368	1375.2	949.6	949.6
New weighted rating	1368	1375.2	949.6	949.6
New weighted performance	525.1	524	0	0
Temp new rating	1368	1375.2	949.6	949.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1368	1375.2	949.6	949.6
New K-factor	36	36	40	40
New floor	868	875.2	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	4	4
History	312	312

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
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	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	157	84	53.5	29.8	1181.9	1211.7
Standard	157	84	53.5	29.8	1181.9	1211.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1368	1375.2	949.6	949.6
2025-09-01	1368	1375.2	949.6	949.6
2025-08-01	1368	1375.2	949.6	949.6
2025-07-01	1368	1375.2	949.6	949.6
2025-06-01	1368	1375.2	949.6	949.6
2025-05-01	1368	1375.2	949.6	949.6
2025-04-01	1368	1375.2	949.6	949.6
2025-03-01	1368	1375.2	949.6	949.6
2025-02-01	1368	1375.2	949.6	949.6
2025-01-01	1368	1375.2	949.6	949.6
2024-12-01	1368	1375.2	949.6	949.6
2024-11-01	1368	1375.2	949.6	949.6
2024-10-01	1368	1375.2	949.6	949.6
2024-09-01	1368	1375.2	949.6	949.6
2024-08-01	1368	1375.2	949.6	949.6
2024-07-01	1368	1375.2	949.6	949.6
2024-06-01	1368	1375.2	949.6	949.6
2024-08-01	1368	1375.2	949.6	949.6
2024-04-01	1368	1375.2	949.6	949.6
2024-03-01	1368	1375.2	949.6	949.6
2024-02-01	1368	1375.2	949.6	949.6
2024-01-01	1368	1375.2	949.6	949.6
2023-12-01	1368	1375.2	949.6	949.6
2023-11-01	1368	1375.2	949.6	949.6

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	Brainstorm 2021 (U18)	2021-06-05	2021-06-05	Standard	Bojanala Platina (NBR)	5	4	3	Yes	Analysis
2	Hoerskool Brits Toernooi 2020 (Open)	2020-03-14	2020-03-14	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
3	Laerskool Proteapark 2020 (A)	2020-02-29	2020-02-29	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
4	2019 Wild Card Chess Championship (U18 Open)	2020-01-09	2020-01-12	Standard	4 Knights (4K)	7	6	1.5	Yes	Analysis
5	2019 South African Junior Team Championships (U18C)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	2	Yes	Analysis
6	Selly Park 2019 (A)	2019-10-05	2019-10-05	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
7	NW Open 2019 (A)	2019-10-12	2019-10-12	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
8	Inter Region 2019 (U18 Open)	2019-10-19	2019-10-19	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
9	Laerskool Brits 2019 (U18)	2019-08-31	2019-08-31	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
10	Laerskool Rustenburg 2019 (U18)	2019-08-17	2019-08-17	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
11	Grenville 2019 (A)	2019-06-08	2019-06-08	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
12	Inter Regional Chess Championship 2019 (U18)	2019-05-10	2019-05-11	Standard	Mangaung (FMB)	5	4	4	Yes	Analysis
13	Laerskool Proteapark 2019 (A)	2019-05-18	2019-05-18	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
14	Laerskool Olienpark 2019 (A)	2019-04-06	2019-04-06	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
15	Hoerskool Rustenburg Skaak 2019 (U18)	2019-04-13	2019-04-13	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
16	Rustenburg Noord Primary Tournament 2019 (B)	2019-02-09	2019-02-09	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
17	Laerskool Vastrap Tournament 2019 (B)	2019-02-23	2019-02-23	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
18	Fields College Open 2019 (Open)	2019-02-02	2019-02-02	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
19	Hoerskool Brits Tournament 2019 (A)	2019-02-09	2019-02-09	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
20	South African Junior Team Championships 2018 (U18B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
21	Lebone II Chess 2018 (U18)	2018-09-01	2018-09-01	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
22	Bojanala Regionals 2018 (U18+U20)	2018-09-15	2018-09-15	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
23	Laerskool Brits Tournament 2018 (U18)	2018-08-04	2018-08-04	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
24	Inter Regional 2018 (U18 Team)	2018-05-04	2018-05-05	Standard	Frances Baard (NCF)	5	5	2.5	Yes	Analysis
25	Laerskool Proteapark Chess 2018 (B)	2018-05-19	2018-05-19	Standard	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
26	Laerskool Olienpark 2018 (Open)	2018-04-21	2018-04-21	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
27	Laerskool Rustenburg 2018 (B)	2018-03-24	2018-03-24	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
28	Hoerskool Brits 2018 (U18+Open)	2018-03-17	2018-03-17	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
29	Laerskool Vastrap 2018 (Open)	2018-02-03	2018-02-03	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
30	Laerskool Rustenburg Noord Primary 2018 (B)	2018-02-24	2018-02-24	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
31	South African Junior Team Championships 2017 (U16B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	1	Yes	Analysis

#	Games	Start				End
1	10	Tournament Hoerskool Rustenburg Skaak 2019				Tournament Laerskool Proteapark 2019
		date 2019-04-13	rnd 4	type Standard	result 0.5	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Van Niekerk, N (Nicole)				Opponent Austin, B (Billy-James)
2	6	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Byliefeldt, L (Leroux)				Opponent Guneliev, AA (Andrey)
3	5	Tournament Rustenburg Noord Primary Tournament 2019				Tournament Laerskool Vastrap Tournament 2019
		date 2019-02-09	rnd 4	type Standard	result 1	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Matshego, T (Thato)				Opponent Kgomo, T (Thato)

#	Games	Start				End
1	10	Tournament Hoerskool Rustenburg Skaak 2019				Tournament Laerskool Proteapark 2019
		date 2019-04-13	rnd 4	type Standard	result 0.5	date 2019-05-18	rnd 4	type Standard	result 1
		Opponent Van Niekerk, N (Nicole)				Opponent Austin, B (Billy-James)
2	6	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Byliefeldt, L (Leroux)				Opponent Guneliev, AA (Andrey)
3	5	Tournament Rustenburg Noord Primary Tournament 2019				Tournament Laerskool Vastrap Tournament 2019
		date 2019-02-09	rnd 4	type Standard	result 1	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Matshego, T (Thato)				Opponent Kgomo, T (Thato)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament Hoerskool Rustenburg Skaak 2019				Tournament Laerskool Proteapark 2019
		date 2019-04-13	rnd 5	type Standard	result 1	date 2019-05-18	rnd 1	type Standard	result 1
		Opponent Malila, CN (Cyril)				Opponent Mutsvene, W (Walter)
2	6	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Byliefeldt, L (Leroux)				Opponent Guneliev, AA (Andrey)
3	5	Tournament Rustenburg Noord Primary Tournament 2019				Tournament Laerskool Vastrap Tournament 2019
		date 2019-02-09	rnd 4	type Standard	result 1	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Matshego, T (Thato)				Opponent Kgomo, T (Thato)

#	Games	Start				End
1	6	Tournament Hoerskool Rustenburg Skaak 2019				Tournament Laerskool Proteapark 2019
		date 2019-04-13	rnd 5	type Standard	result 1	date 2019-05-18	rnd 1	type Standard	result 1
		Opponent Malila, CN (Cyril)				Opponent Mutsvene, W (Walter)
2	6	Tournament Laerskool Proteapark Chess 2018				Tournament Laerskool Brits Tournament 2018
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-08-04	rnd 1	type Standard	result 1
		Opponent Byliefeldt, L (Leroux)				Opponent Guneliev, AA (Andrey)
3	5	Tournament Rustenburg Noord Primary Tournament 2019				Tournament Laerskool Vastrap Tournament 2019
		date 2019-02-09	rnd 4	type Standard	result 1	date 2019-02-23	rnd 3	type Standard	result 1
		Opponent Matshego, T (Thato)				Opponent Kgomo, T (Thato)

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	Smit ,CM (Carlo)	6	2	-141.7	6	2	-141.7	0	0	0	0	0	0
1	Smit ,CM (Carlo)	6	1255.7	1114.1	6	1260.5	1114.1	0	0	0	0	0	0
2	Van Der Westhuizen ,PJ (Petrus Jeremias)	5	0	-425	5	0	-425	0	0	0	0	0	0
2	Van Der Westhuizen ,PJ (Petrus Jeremias)	5	1432.2	1007.2	5	1439.7	1007.2	0	0	0	0	0	0
3	Lefyedi ,T (Thatego)	4	0	-425	4	0	-425	0	0	0	0	0	0
3	Lefyedi ,T (Thatego)	4	1482.1	1057.1	4	1482.8	1057.1	0	0	0	0	0	0
4	Letupu ,M (Omolemo)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
4	Letupu ,M (Omolemo)	4	1098.8	886.3	4	1096.1	886.3	0	0	0	0	0	0
5	Leseyane ,L (Lefa)	4	0	-425	4	0	-425	0	0	0	0	0	0
5	Leseyane ,L (Lefa)	4	1247.8	822.8	4	1247.1	822.8	0	0	0	0	0	0
6	Naude ,M (Marlo)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
6	Naude ,M (Marlo)	3	1076.4	1218.1	3	1074.2	1218.1	0	0	0	0	0	0
7	Difotso ,T (Tshegofatso)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
7	Difotso ,T (Tshegofatso)	3	1324.6	1182.9	3	1322	1182.9	0	0	0	0	0	0
8	Van Zyl ,D (Daniel)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
8	Van Zyl ,D (Daniel)	3	1181.7	1323.3	3	1179.7	1323.3	0	0	0	0	0	0
9	Fourie ,H (Hendre)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
9	Fourie ,H (Hendre)	3	1119.6	977.9	3	1125.7	977.9	0	0	0	0	0	0
10	Maseng ,GT (Gomolemo Thebetsile)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
10	Maseng ,GT (Gomolemo Thebetsile)	3	1114.1	1255.7	3	1115.9	1255.7	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

Esterhuizen, WJ (Willem Johannes)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms