Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nienaber, J (Josua)

Chess SA id

1120190416

FIDE id

Date of birth

2012-06-04 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-08-03

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1205.2	1204.2	1200	1200
Raw rating	1204.7	1203.6	1200	1200
Weighted rating	1205.2	1204.2	1200	1200
Weighted performance	971.5	969.9	0	0
Floor	713	713.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	164.7	165	165.8	165.8
Highest rating	1226.8 2024-03-01	1223.1 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1213 2024-04-01	1213.6 2024-04-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1204.7 2025-08-01	1203.6 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1226.8 2024-03-01	1223.1 2024-03-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0.1	0.1	0	0
New rating	1205.2	1204.3	1200	1200
Analysis
Rating	1205.2	1204.2	1200	1200
Raw rating	1204.7	1203.6	1200	1200
Weighted rating	1205.2	1204.2	1200
Weighted performance	971.5	969.9	0
K-factor	36	36	36	36
Floor	713	713.6	700	700
Max/Min rating change allowed	164.7	165	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	1204.7	1203.6	1200	1200
New weighted rating	1205.2	1204.3	1200	1200
New weighted performance	964.4	962.8	0	0
Temp new rating	1205.2	1204.3	1200	1200
Temp new rating +/-	0.1	0.1	0	0
Final new rating +/-	0.1	0.1	0	0
New rating	1205.2	1204.3	1200	1200
New K-factor	36	36	36	36
New floor	713	713.6	700	700

Item	Main	Standard
	0	0
	0	0
	20	20
	5	5
	0	0
	0	0
History	25	25

Games since
	Main 20	Standard 20		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	25	12.5	50	0	1197.8	1197.8
Standard	25	12.5	50	0	1197.8	1197.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1204.7	1203.6	1200	1200
2025-09-30	1204.7	1203.6	1200	1200
2025-09-01	1204.7	1203.6	1200	1200
2025-08-01	1204.7	1203.6	1200	1200
2025-07-01	1204.6	1203.5	1200	1200
2025-06-01	1204.6	1203.5	1200	1200
2025-05-01	1204.6	1203.5	1200	1200
2025-04-01	1204.6	1203.5	1200	1200
2025-03-01	1204.6	1203.5	1200	1200
2025-02-01	1204.6	1203.5	1200	1200
2025-01-01	1204.6	1203.5	1200	1200
2024-12-01	1204.6	1203.5	1200	1200
2024-11-01	1204.6	1203.5	1200	1200
2024-10-01	1204.6	1203.5	1200	1200
2024-09-01	1204.6	1203.5	1200	1200
2024-08-01	1213	1213.6	1200	1200
2024-07-01	1213	1213.6	1200	1200
2024-09-01	1213	1213.6	1200	1200
2024-05-01	1213	1213.6	1200	1200
2024-04-01	1213	1213.6	1200	1200
2024-03-01	1197.8	1194.2	1200	1200
2024-02-01	1187.7	1183.4	1200	1200
2024-01-01	1187.7	1183.4	1200	1200
2023-12-01	1187.7	1183.4	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	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U13A)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
2	2024 Wynie Robbertse Chess Tournament (D2)	2024-03-02	2024-03-02	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
3	2024 Constantiapark Open (D1)	2024-02-17	2024-02-17	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2024 Piet Robbertse Open Chess Tournament (D2)	2024-02-03	2024-02-04	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	Lardies Open Tournament 2023 (D1)	2023-10-28	2023-10-28	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2024 Piet Robbertse Open Chess Tournament				Tournament 2024 Constantiapark Open
		date 2024-02-04	rnd 4	type Standard	result 1	date 2024-02-17	rnd 2	type Standard	result 1
		Opponent Manamela, K (Kgalalelo)				Opponent De Jager, K (Konrad)
2	3	Tournament 2024 Wynie Robbertse Chess Tournament				Tournament 2024 Wynie Robbertse Chess Tournament
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Van Wyk, H (Hanru)				Opponent Gruenenfelder, E (Ellie)
3	2	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Janse Van Resburg, J (Juan)				Opponent Ferreira, M (Marthinus)

#	Games	Start				End
1	4	Tournament 2024 Piet Robbertse Open Chess Tournament				Tournament 2024 Constantiapark Open
		date 2024-02-04	rnd 4	type Standard	result 1	date 2024-02-17	rnd 2	type Standard	result 1
		Opponent Manamela, K (Kgalalelo)				Opponent De Jager, K (Konrad)
2	3	Tournament 2024 Wynie Robbertse Chess Tournament				Tournament 2024 Wynie Robbertse Chess Tournament
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Van Wyk, H (Hanru)				Opponent Gruenenfelder, E (Ellie)
3	2	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Janse Van Resburg, J (Juan)				Opponent Ferreira, M (Marthinus)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2024 Piet Robbertse Open Chess Tournament				Tournament 2024 Constantiapark Open
		date 2024-02-04	rnd 4	type Standard	result 1	date 2024-02-17	rnd 2	type Standard	result 1
		Opponent Manamela, K (Kgalalelo)				Opponent De Jager, K (Konrad)
2	3	Tournament 2024 Wynie Robbertse Chess Tournament				Tournament 2024 Wynie Robbertse Chess Tournament
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Van Wyk, H (Hanru)				Opponent Gruenenfelder, E (Ellie)
3	2	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Janse Van Resburg, J (Juan)				Opponent Ferreira, M (Marthinus)

#	Games	Start				End
1	4	Tournament 2024 Piet Robbertse Open Chess Tournament				Tournament 2024 Constantiapark Open
		date 2024-02-04	rnd 4	type Standard	result 1	date 2024-02-17	rnd 2	type Standard	result 1
		Opponent Manamela, K (Kgalalelo)				Opponent De Jager, K (Konrad)
2	3	Tournament 2024 Wynie Robbertse Chess Tournament				Tournament 2024 Wynie Robbertse Chess Tournament
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 5	type Standard	result 1
		Opponent Van Wyk, H (Hanru)				Opponent Gruenenfelder, E (Ellie)
3	2	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 4	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Janse Van Resburg, J (Juan)				Opponent Ferreira, M (Marthinus)

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	Jonas ,M (Mathew)	1	1	425	1	1	425	0	0	0	0	0	0
1	Jonas ,M (Mathew)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Gruenenfelder ,L (Laker)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Gruenenfelder ,L (Laker)	1	1356.6	931.6	1	1366.7	931.6	0	0	0	0	0	0
3	Selmi ,T (Tayssir)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Selmi ,T (Tayssir)	1	1041.6	616.6	1	1028.8	616.6	0	0	0	0	0	0
4	Van Wyk ,H (Hanru)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Wyk ,H (Hanru)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Van Der Merwe ,ZC (Zander Christiaan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Van Der Merwe ,ZC (Zander Christiaan)	1	1379.5	1804.5	1	1376.8	1804.5	0	0	0	0	0	0
6	De Jager ,K (Konrad)	1	1	425	1	1	425	0	0	0	0	0	0
6	De Jager ,K (Konrad)	1	1095.3	1520.3	1	1090.8	1520.3	0	0	0	0	0	0
7	Van Deventer ,J (Jonathan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Deventer ,J (Jonathan)	1	1254.2	829.2	1	1250.1	829.2	0	0	0	0	0	0
8	Weyer ,E (Evan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Weyer ,E (Evan)	1	1113.9	1538.9	1	1106.9	1538.9	0	0	0	0	0	0
9	Janse Van Resburg ,J (Juan)	1	1	425	1	1	425	0	0	0	0	0	0
9	Janse Van Resburg ,J (Juan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Saaiman ,M (Matthys)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Saaiman ,M (Matthys)	1	1040.8	615.8	1	1014.4	615.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Nienaber, J (Josua)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms