Chess South Africa Ratings Database

PLAYER PAGE

Personal

Joubert, J (Juan)

Chess SA id

1080143425

FIDE id

Date of birth

2008-06-23 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-10-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1250.3	1267.8	1190.9	1200
Raw rating	1250.3	1267.8	1190.9	1200
Weighted rating	1249.5	1267.5	1189.5	1200
Weighted performance	974.7	0	0	0
Floor	760.6	771.8	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	154.4	150.6	168	165.8
Highest rating	1357.8 2023-08-01	1356.5 2023-08-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1260.6 2024-02-01	1271.8 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1260.6 2025-06-01	1271.8 2025-07-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1357.8 2023-08-01	1356.5 2023-08-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1250.3	1267.8	1190.9	1200
Analysis
Rating	1250.3	1267.8	1190.9	1200
Raw rating	1250.3	1267.8	1190.9	1200
Weighted rating	1249.5	1267.5	1189.5
Weighted performance	974.7	0	0
K-factor	36	36	36	36
Floor	760.6	771.8	700	700
Max/Min rating change allowed	154.4	150.6	168	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	1250.3	1267.8	1190.9	1200
New weighted rating	1249.3	1267.4	1189.4	1200
New weighted performance	974.3	0	0	0
Temp new rating	1250.3	1267.8	1190.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1250.3	1267.8	1190.9	1200
New K-factor	36	36	36	36
New floor	760.6	771.8	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	10	5	5
	10	10	0
	5	5	0
	0	0	0
History	25	20	5

Games since
	Main 10	Standard 5		Rapid 5		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	11.5	46	-34	1283.4	1249.4
Standard	20	10.5	52.5	21.2	1269.6	1290.8
Rapid	5	1	20	-255	1338.6	1083.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1250.3	1267.8	1190.9	1200
2025-09-01	1250.3	1267.8	1190.9	1200
2025-08-01	1250.3	1267.8	1190.9	1200
2025-07-01	1250.3	1267.8	1190.9	1200
2025-06-01	1250.3	1267.6	1190.9	1200
2025-05-01	1250.2	1267.3	1190.9	1200
2025-04-01	1250	1266.8	1190.9	1200
2025-03-01	1249.5	1266	1190.9	1200
2025-02-01	1247.5	1265	1189.4	1200
2025-01-01	1228.9	1263.2	1164.7	1200
2024-12-01	1228.9	1263.2	1164.7	1200
2024-11-01	1228.9	1263.2	1164.7	1200
2024-10-01	1253.4	1263.2	1200	1200
2024-09-01	1260.6	1271.8	1200	1200
2024-08-01	1260.6	1271.8	1200	1200
2024-07-01	1260.6	1271.8	1200	1200
2024-06-01	1260.6	1271.8	1200	1200
2024-08-01	1260.6	1271.8	1200	1200
2024-04-01	1260.6	1271.8	1200	1200
2024-03-01	1260.6	1271.8	1200	1200
2024-02-01	1260.6	1271.8	1200	1200
2024-01-01	1260.6	1271.8	1200	1200
2023-12-01	1260.6	1271.8	1200	1200
2023-11-01	1260.6	1271.8	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	Gauteng Top Schools 2024 (U17 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	1	Yes	Analysis
2	Gauteng Schools Individuals Finals 2024 (U18 Boys)	2024-08-17	2024-08-17	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	2023 Gauteng Top Schools (U17 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	4.5	Yes	Analysis
4	Gauteng Schools Individual Finals 2023 (U15 Boys)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	5	2.5	Yes	Analysis
5	2022 Gauteng Schools Individual Chess Championship (U15 Boys)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament Gauteng Schools Individual Finals 2023				Tournament 2023 Gauteng Top Schools
		date 2023-05-27	rnd 3	type Standard	result 1	date 2023-08-19	rnd 5	type Standard	result 1
		Opponent Sambo, L (Leago)				Opponent Motaung, K (Kelebohile)
2	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 4	type Standard	result 1	date 2022-06-18	rnd 5	type Standard	result 0.5
		Opponent Molefe, B (Bandzile)				Opponent Rikhotso, N (Nyiko)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Tsotetsi, K (Kutlwano)				Opponent Tsotetsi, K (Kutlwano)

#	Games	Start				End
1	8	Tournament Gauteng Schools Individual Finals 2023				Tournament 2023 Gauteng Top Schools
		date 2023-05-27	rnd 3	type Standard	result 1	date 2023-08-19	rnd 5	type Standard	result 1
		Opponent Sambo, L (Leago)				Opponent Motaung, K (Kelebohile)
2	2	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-18	rnd 4	type Standard	result 1	date 2022-06-18	rnd 5	type Standard	result 0.5
		Opponent Molefe, B (Bandzile)				Opponent Rikhotso, N (Nyiko)
3	1	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 5	type Standard	result 1	date 2024-08-17	rnd 5	type Standard	result 1
		Opponent Segapo, R (Reratilwe)				Opponent Segapo, R (Reratilwe)

#	Games	Start				End
1	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Tsotetsi, K (Kutlwano)				Opponent Tsotetsi, K (Kutlwano)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-19	rnd 5	type Standard	result 1
		Opponent Nkosi, T (Thando)				Opponent Motaung, K (Kelebohile)
2	2	Tournament Gauteng Schools Individual Finals 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-27	rnd 3	type Standard	result 1	date 2023-05-27	rnd 4	type Standard	result 1
		Opponent Sambo, L (Leago)				Opponent Tshabalala, M (Mduduzi)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Tsotetsi, K (Kutlwano)				Opponent Tsotetsi, K (Kutlwano)

#	Games	Start				End
1	4	Tournament 2023 Gauteng Top Schools				Tournament 2023 Gauteng Top Schools
		date 2023-08-19	rnd 2	type Standard	result 1	date 2023-08-19	rnd 5	type Standard	result 1
		Opponent Nkosi, T (Thando)				Opponent Motaung, K (Kelebohile)
2	2	Tournament Gauteng Schools Individual Finals 2023				Tournament Gauteng Schools Individual Finals 2023
		date 2023-05-27	rnd 3	type Standard	result 1	date 2023-05-27	rnd 4	type Standard	result 1
		Opponent Sambo, L (Leago)				Opponent Tshabalala, M (Mduduzi)
3	1	Tournament Gauteng Schools Individuals Finals 2024				Tournament Gauteng Schools Individuals Finals 2024
		date 2024-08-17	rnd 5	type Standard	result 1	date 2024-08-17	rnd 5	type Standard	result 1
		Opponent Segapo, R (Reratilwe)				Opponent Segapo, R (Reratilwe)

#	Games	Start				End
1	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Tsotetsi, K (Kutlwano)				Opponent Tsotetsi, K (Kutlwano)

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	Nwedo ,K (Khodani)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Nwedo ,K (Khodani)	2	1695.6	1270.6	1	1721.2	1270.6	1	1511.1	1270.6	0	0	0
2	Olifant ,L (Lethabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Olifant ,L (Lethabo)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Kriel ,D (Devin)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Kriel ,D (Devin)	1	1169.8	744.8	1	1177.6	744.8	0	0	0	0	0	0
4	Kushar ,T (Tristan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Kushar ,T (Tristan)	1	1601.9	1176.9	1	1619.6	1176.9	0	0	0	0	0	0
5	Nkosi ,T (Thando)	1	1	425	1	1	425	0	0	0	0	0	0
5	Nkosi ,T (Thando)	1	1161.2	1586.2	1	1154	1586.2	0	0	0	0	0	0
6	Sambo ,L (Leago)	1	1	425	1	1	425	0	0	0	0	0	0
6	Sambo ,L (Leago)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Rossouw ,W (Wessel Johannes)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Rossouw ,W (Wessel Johannes)	1	1459.1	1459.1	1	1450.2	1459.1	0	0	0	0	0	0
8	Shai ,K (Keketso)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Shai ,K (Keketso)	1	1266.7	841.7	1	1278.4	841.7	0	0	0	0	0	0
9	Van Der Schyff ,X (Xavier)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Der Schyff ,X (Xavier)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Segapo ,R (Reratilwe)	1	1	425	1	1	425	0	0	0	0	0	0
10	Segapo ,R (Reratilwe)	1	1186.3	1611.3	1	1183.4	1611.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Joubert, J (Juan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms