Chess South Africa Ratings Database

PLAYER PAGE

Personal

Haak, JG (Joshua George)

Chess SA id

102011578

FIDE id

Date of birth

2002-04-28 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-17

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1265	1265	1200	1200
Raw rating	1265	1265	1200	1200
Weighted rating	1264.9	1264.9	1200	1200
Weighted performance	248.4	247.7	0	0
Floor	765	765	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.1	151.1	165.8	165.8
Highest rating	1265 2024-03-01	1265 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1265 2024-03-01	1265 2024-03-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1264.2 2025-08-01	1264.1 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1256.6 2019-07-01	1252.7 2019-08-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1265	1265	1200	1200
Analysis
Rating	1265	1265	1200	1200
Raw rating	1265	1265	1200	1200
Weighted rating	1264.9	1264.9	1200
Weighted performance	248.4	247.7	0
K-factor	36	36	36	36
Floor	765	765	700	700
Max/Min rating change allowed	151.1	151.1	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	1265	1265	1200	1200
New weighted rating	1265	1265	1200	1200
New weighted performance	240.9	240.2	0	0
Temp new rating	1265	1265	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1265	1265	1200	1200
New K-factor	36	36	36	36
New floor	765	765	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	50	50

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	36	17	47.22	-23.6	1236.6	1212.9
Standard	36	17	47.22	-23.6	1236.6	1212.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1265	1265	1200	1200
2025-09-30	1265	1265	1200	1200
2025-09-01	1265	1265	1200	1200
2025-08-01	1265	1265	1200	1200
2025-07-01	1265	1265	1200	1200
2025-06-01	1265	1265	1200	1200
2025-05-01	1265	1265	1200	1200
2025-04-01	1265	1265	1200	1200
2025-03-01	1265	1265	1200	1200
2025-02-01	1265	1265	1200	1200
2025-01-01	1265	1265	1200	1200
2024-12-01	1265	1265	1200	1200
2024-11-01	1265	1265	1200	1200
2024-10-01	1265	1265	1200	1200
2024-09-01	1265	1265	1200	1200
2024-08-01	1265	1265	1200	1200
2024-07-01	1265	1265	1200	1200
2024-09-01	1265	1265	1200	1200
2024-05-01	1265	1265	1200	1200
2024-04-01	1265	1265	1200	1200
2024-03-01	1265	1265	1200	1200
2024-02-01	1265	1265	1200	1200
2024-01-01	1265	1265	1200	1200
2023-12-01	1242.4	1239.1	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	Bishop Bavin Open 2019 (A)	2019-08-17	2019-08-17	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
2	Boksburg Chess Club Open 2019 (A)	2019-07-13	2019-07-13	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
3	Primrose Chess Club Open 2019 (B)	2019-04-13	2019-04-13	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
4	Boksburg Open 2019 (B)	2019-01-19	2019-01-19	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Witfield Open 2018 (B)	2018-07-21	2018-07-21	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
6	Ekurhuleni Trials 3 2018 (U18+U20)	2018-06-16	2018-06-16	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
7	South African Junior Team Championships 2017 (U16D)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4	Yes	Analysis

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2017				Tournament Ekurhuleni Trials 3 2018
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-06-16	rnd 1	type Standard	result 0.5
		Opponent Olivier, A (Ashle)				Opponent Lotz, C (Charl)
2	3	Tournament Boksburg Open 2019				Tournament Primrose Chess Club Open 2019
		date 2019-01-19	rnd 4	type Standard	result 1	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Jugga, A (Akshay)				Opponent Venter, J (Jude)
3	2	Tournament Primrose Chess Club Open 2019				Tournament Primrose Chess Club Open 2019
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-04-13	rnd 5	type Standard	result 0.5
		Opponent Mcluckie, A (Aiden)				Opponent Hansrajh, J (Jitrakorn)

#	Games	Start				End
1	4	Tournament South African Junior Team Championships 2017				Tournament Ekurhuleni Trials 3 2018
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-06-16	rnd 1	type Standard	result 0.5
		Opponent Olivier, A (Ashle)				Opponent Lotz, C (Charl)
2	3	Tournament Boksburg Open 2019				Tournament Primrose Chess Club Open 2019
		date 2019-01-19	rnd 4	type Standard	result 1	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Jugga, A (Akshay)				Opponent Venter, J (Jude)
3	2	Tournament Primrose Chess Club Open 2019				Tournament Primrose Chess Club Open 2019
		date 2019-04-13	rnd 4	type Standard	result 1	date 2019-04-13	rnd 5	type Standard	result 0.5
		Opponent Mcluckie, A (Aiden)				Opponent Hansrajh, J (Jitrakorn)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Boksburg Open 2019				Tournament Primrose Chess Club Open 2019
		date 2019-01-19	rnd 4	type Standard	result 1	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Jugga, A (Akshay)				Opponent Venter, J (Jude)
2	2	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-01-07	rnd 6	type Standard	result 1
		Opponent Olivier, A (Ashle)				Opponent Viljoen, HP (Henri)
3	1	Tournament Bishop Bavin Open 2019				Tournament Bishop Bavin Open 2019
		date 2019-08-17	rnd 5	type Standard	result 1	date 2019-08-17	rnd 5	type Standard	result 1
		Opponent De Swardt, E (Eduan)				Opponent De Swardt, E (Eduan)

#	Games	Start				End
1	3	Tournament Boksburg Open 2019				Tournament Primrose Chess Club Open 2019
		date 2019-01-19	rnd 4	type Standard	result 1	date 2019-04-13	rnd 1	type Standard	result 1
		Opponent Jugga, A (Akshay)				Opponent Venter, J (Jude)
2	2	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-06	rnd 5	type Standard	result 1	date 2018-01-07	rnd 6	type Standard	result 1
		Opponent Olivier, A (Ashle)				Opponent Viljoen, HP (Henri)
3	1	Tournament Bishop Bavin Open 2019				Tournament Bishop Bavin Open 2019
		date 2019-08-17	rnd 5	type Standard	result 1	date 2019-08-17	rnd 5	type Standard	result 1
		Opponent De Swardt, E (Eduan)				Opponent De Swardt, E (Eduan)

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	Weideman ,K (Kayleigh)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
1	Weideman ,K (Kayleigh)	2	1372.6	1585.1	2	1364.9	1585.1	0	0	0	0	0	0
2	Huisamen ,BB (Botha Brandt)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Huisamen ,BB (Botha Brandt)	1	1429.6	1004.6	1	1473.1	1004.6	0	0	0	0	0	0
3	Viljoen ,HP (Henri Pieter)	1	1	425	1	1	425	0	0	0	0	0	0
3	Viljoen ,HP (Henri Pieter)	1	869.6	1294.6	1	869.6	1294.6	0	0	0	0	0	0
4	Steyn ,D (Dian Andre)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Steyn ,D (Dian Andre)	1	1259.7	834.7	1	1263.2	834.7	0	0	0	0	0	0
5	Aldum ,R (Rocco)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Aldum ,R (Rocco)	1	1175.4	750.4	1	1176.3	750.4	0	0	0	0	0	0
6	Van Den Berg ,MB (Matthew Benjamin)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Van Den Berg ,MB (Matthew Benjamin)	1	747.4	747.4	1	747.4	747.4	0	0	0	0	0	0
7	Watts ,L (Liam)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Watts ,L (Liam)	1	1178.5	753.5	1	1168.5	753.5	0	0	0	0	0	0
8	Barnes ,J (Jock)	1	1	425	1	1	425	0	0	0	0	0	0
8	Barnes ,J (Jock)	1	1248.2	1673.2	1	1242	1673.2	0	0	0	0	0	0
9	Lefeta ,T (Thato)	1	1	425	1	1	425	0	0	0	0	0	0
9	Lefeta ,T (Thato)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Prins ,K (Kehaam)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
10	Prins ,K (Kehaam)	1	692.5	692.5	1	692.5	692.5	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Haak, JG (Joshua George)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms