Chess South Africa Ratings Database

PLAYER PAGE

Personal

Du Plessis, J (Juan-Pierre)

Chess SA id

107079723

FIDE id

Date of birth

2007-12-03 (U20)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1262.5	1260.9	817.4	618.6
Raw rating	1254.9	1250.3	817.4	618.6
Weighted rating	1262.5	1260.9	732.7	618.6
Weighted performance	1028.3	933.1	0	0
Floor	775.6	762.9	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	153.3	154.3	286	379.6
Highest rating	1275.6 2024-08-01	1262.9 2024-02-01	1399.8 2024-07-01	1200 2024-02-01
Highest raw rating	1275.6 2024-08-01	1262.9 2024-02-01	817.4 2025-09-01	618.6 2024-02-01
Highest weighted rating	1263.7 2025-08-01	1262.9 2025-07-01	738.2 2024-11-01	618.6 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1399.8 2024-07-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.6	-0.9	0	0
New rating	1261.9	1260	817.4	618.6
Analysis
Rating	1262.5	1260.9	817.4	618.6
Raw rating	1254.9	1250.3	817.4	618.6
Weighted rating	1262.5	1260.9	732.7
Weighted performance	1028.3	933.1	0
K-factor	36	36	40	40
Floor	775.6	762.9	500	500
Max/Min rating change allowed	153.3	154.3	286	379.6
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	1254.9	1250.3	817.4	618.6
New weighted rating	1261.9	1260	742.1	618.6
New weighted performance	1027.9	932.6	0	0
Temp new rating	1261.9	1260	817.4	618.6
Temp new rating +/-	-0.6	-0.9	0	0
Final new rating +/-	-0.6	-0.9	0	0
New rating	1261.9	1260	817.4	618.6
New K-factor	36	36	40	40
New floor	775.6	762.9	500	500

Item	Main	Standard	Rapid
	0	0	0
	8	4	4
	5	0	5
	7	7	0
	16	16	0
	5	5	0
History	203	177	26

Games since
	Main 13	Standard 4		Rapid 9		Blitz 0
Gender	Male
Age group	U20
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	8	3.5	43.75	-53.1	1277.1	1224
Standard	4	1.5	37.5	-106.2	1306.3	1200.1
Rapid	4	2	50	0	1247.9	1247.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	100	51.5	51.5	12.8	1107.5	1120.3
Standard	91	46.5	51.1	9.3	1096.6	1105.9
Rapid	9	5	55.56	47.2	1218.2	1265.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1254.9	1250.3	817.4	618.6
2025-09-01	1254.9	1250.3	817.4	618.6
2025-08-01	1263.7	1262.9	738.2	618.6
2025-07-01	1263.6	1262.9	738.2	618.6
2025-06-01	1263.3	1262.9	738.2	618.6
2025-05-01	1263	1262.9	738.2	618.6
2025-04-01	1262.5	1262.9	738.2	618.6
2025-03-01	1262.5	1262.9	738.2	618.6
2025-02-01	1262.5	1262.9	738.2	618.6
2025-01-01	1262.5	1262.9	738.2	618.6
2024-12-01	1262.5	1262.9	738.2	618.6
2024-11-01	1262.5	1262.9	738.2	618.6
2024-10-01	1275.6	1262.9	738.2	618.6
2024-09-01	1275.6	1262.9	738.2	618.6
2024-08-01	1275.6	1262.9	738.2	618.6
2024-07-01	1259	1262.9	618.6	618.6
2024-06-01	1259	1262.9	618.6	618.6
2024-08-01	1259	1262.9	618.6	618.6
2024-04-01	1259	1262.9	618.6	618.6
2024-03-01	1259	1262.9	618.6	618.6
2024-02-01	1259	1262.9	618.6	618.6
2024-01-01	1259	1262.9	618.6	618.6
2023-12-01	1259	1262.9	618.6	618.6
2023-11-01	1259	1262.9	618.6	618.6

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	Ekurhuleni North Schools Teams 2025 (U19 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis
2	Kempton Park Team Clusters LS 2025 (High Schools)	2025-07-26	2025-07-26	Rapid	Ekurhuleni (GE)	4	4	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni North Schools Teams 2025 (U19 Open)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis
2	Kempton Park Team Clusters LS 2025 (High Schools)	2025-07-26	2025-07-26	Rapid	Ekurhuleni (GE)	4	4	2	Yes	Analysis
3	Gauteng Top Schools 2024 (U17 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	1	0	Yes	Analysis
4	Kempton Park Cluster Teams 2024 (U18)	2024-07-13	2024-07-13	Rapid	Ekurhuleni (GE)	5	4	3	Yes	Analysis
5	2023 Gauteng Top Schools (U19 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3	Yes	Analysis
6	Ekurhuleni North School Teams 2023 (U19)	2023-08-05	2023-08-05	Standard	Ekurhuleni (GE)	5	2	2	Yes	Analysis
7	Ekurhuleni North School Teams 2023 (Reserves)	2023-08-05	2023-08-05	Standard	Ekurhuleni (GE)	5	0	0	No	Analysis
8	2022 Gauteng Schools Team Championships (U15 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
9	Ekurhuleni-North Schools Teams 2022 (U15)	2022-08-13	2022-08-13	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
10	ACB Premier 2022 (U15)	2022-03-21	2022-03-21	Standard	Ekurhuleni (GE)	7	6	4	Yes	Analysis
11	Ekurhuleni North Schools Individual 2021 (A)	2021-09-11	2021-09-11	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
12	2019 South African Junior Team Championships (U14D)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	4	Yes	Analysis
13	Ekurhuleni Trials 2 2019 (U14)	2019-04-27	2019-04-27	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
14	Ekurhuleni Trials 1 2019 (U14)	2019-03-09	2019-03-09	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
15	Boksburg Open 2019 (C)	2019-01-19	2019-01-19	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
16	South African Junior Team Championships 2018 (U12C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
17	Inter Region GE vs JHB Metro 2018 (U12C)	2018-10-06	2018-10-06	Standard	Ekurhuleni (GE)	5	4	1	Yes	Analysis
18	Ekurhuleni Trials 3 2018 (U12)	2018-06-16	2018-06-16	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
19	Dalpark Open 2018 (C)	2018-05-04	2018-05-05	Standard	Ekurhuleni (GE)	6	6	3	Yes	Analysis
20	Ekurhuleni Trials 2 2018 (U12)	2018-04-21	2018-04-21	Standard	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
21	Ekurhuleni Trials 1 2018 (U12)	2018-03-10	2018-03-10	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
22	South African Junior Team Championships 2017 (U12C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	1.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2023 Gauteng Top Schools				Tournament Kempton Park Cluster Teams 2024
		date 2023-08-19	rnd 3	type Standard	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Seshoene, E (Ebenezer)				Opponent Mogoerane, K (Kamogelo)
2	5	Tournament Ekurhuleni Trials 1 2018				Tournament Ekurhuleni Trials 2 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 1
		Opponent Verkerk, R (Robert)				Opponent Zwane, MB (Musa)
3	3	Tournament 2022 Gauteng Schools Team Championships				Tournament Ekurhuleni North School Teams 2023
		date 2022-08-26	rnd 5	type Standard	result 1	date 2023-08-05	rnd 4	type Standard	result 1
		Opponent Tsembeyi, N (Ntsikelelo)				Opponent Ugboro, B (Bemigho)

#	Games	Start				End
1	5	Tournament Ekurhuleni Trials 1 2018				Tournament Ekurhuleni Trials 2 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 1
		Opponent Verkerk, R (Robert)				Opponent Zwane, MB (Musa)
2	4	Tournament 2023 Gauteng Top Schools				Tournament Ekurhuleni North Schools Teams 2025
		date 2023-08-19	rnd 3	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Seshoene, E (Ebenezer)				Opponent Rakolota, I (Innocent)
3	3	Tournament 2022 Gauteng Schools Team Championships				Tournament Ekurhuleni North School Teams 2023
		date 2022-08-26	rnd 5	type Standard	result 1	date 2023-08-05	rnd 4	type Standard	result 1
		Opponent Tsembeyi, N (Ntsikelelo)				Opponent Ugboro, B (Bemigho)

#	Games	Start				End
1	2	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Du Plooy, W (Wian)				Opponent Mogoerane, K (Kamogelo)
2	1	Tournament Kempton Park Team Clusters LS 2025				Tournament Kempton Park Team Clusters LS 2025
		date 2025-07-26	rnd 3	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Retief, D (Delmarie)				Opponent Retief, D (Delmarie)
3	1	Tournament Kempton Park Team Clusters LS 2025				Tournament Kempton Park Team Clusters LS 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 1	type Rapid	result 1
		Opponent Khemrak, K (Kevin)				Opponent Khemrak, K (Kevin)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2023 Gauteng Top Schools				Tournament Kempton Park Cluster Teams 2024
		date 2023-08-19	rnd 3	type Standard	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Seshoene, E (Ebenezer)				Opponent Mogoerane, K (Kamogelo)
2	5	Tournament Ekurhuleni Trials 1 2018				Tournament Ekurhuleni Trials 2 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 1
		Opponent Verkerk, R (Robert)				Opponent Zwane, MB (Musa)
3	3	Tournament 2022 Gauteng Schools Team Championships				Tournament Ekurhuleni North School Teams 2023
		date 2022-08-26	rnd 5	type Standard	result 1	date 2023-08-05	rnd 4	type Standard	result 1
		Opponent Tsembeyi, N (Ntsikelelo)				Opponent Ugboro, B (Bemigho)

#	Games	Start				End
1	5	Tournament Ekurhuleni Trials 1 2018				Tournament Ekurhuleni Trials 2 2018
		date 2018-03-10	rnd 3	type Standard	result 1	date 2018-04-21	rnd 2	type Standard	result 1
		Opponent Verkerk, R (Robert)				Opponent Zwane, MB (Musa)
2	4	Tournament 2023 Gauteng Top Schools				Tournament Ekurhuleni North Schools Teams 2025
		date 2023-08-19	rnd 3	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Seshoene, E (Ebenezer)				Opponent Rakolota, I (Innocent)
3	3	Tournament 2022 Gauteng Schools Team Championships				Tournament Ekurhuleni North School Teams 2023
		date 2022-08-26	rnd 5	type Standard	result 1	date 2023-08-05	rnd 4	type Standard	result 1
		Opponent Tsembeyi, N (Ntsikelelo)				Opponent Ugboro, B (Bemigho)

#	Games	Start				End
1	2	Tournament Kempton Park Cluster Teams 2024				Tournament Kempton Park Cluster Teams 2024
		date 2024-07-13	rnd 1	type Rapid	result 1	date 2024-07-13	rnd 3	type Rapid	result 1
		Opponent Du Plooy, W (Wian)				Opponent Mogoerane, K (Kamogelo)
2	1	Tournament Kempton Park Team Clusters LS 2025				Tournament Kempton Park Team Clusters LS 2025
		date 2025-07-26	rnd 3	type Rapid	result 1	date 2025-07-26	rnd 3	type Rapid	result 1
		Opponent Retief, D (Delmarie)				Opponent Retief, D (Delmarie)
3	1	Tournament Kempton Park Team Clusters LS 2025				Tournament Kempton Park Team Clusters LS 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 1	type Rapid	result 1
		Opponent Khemrak, K (Kevin)				Opponent Khemrak, K (Kevin)

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	Kgwele ,D (Ditiro)	3	3	425	3	3	425	0	0	0	0	0	0
1	Kgwele ,D (Ditiro)	3	823	1248	3	831.3	1248	0	0	0	0	0	0
2	Myaka ,S (Silungile)	2	1	0	2	1	0	0	0	0	0	0	0
2	Myaka ,S (Silungile)	2	925.9	925.9	2	905.2	925.9	0	0	0	0	0	0
3	Lake ,E (Ethan)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Lake ,E (Ethan)	2	1119.5	694.5	2	1082.2	694.5	0	0	0	0	0	0
4	Nel ,H (Hayley)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Nel ,H (Hayley)	2	907.4	482.4	2	916.8	482.4	0	0	0	0	0	0
5	Zingoni ,N (Ngaakudzwe)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Zingoni ,N (Ngaakudzwe)	2	1041.8	616.8	2	1055.1	616.8	0	0	0	0	0	0
6	Koen ,M (Martin)	1	1	425	1	1	425	0	0	0	0	0	0
6	Koen ,M (Martin)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Masebe ,L (Lehlogonolo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Masebe ,L (Lehlogonolo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Moloto ,T (Teboho)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Moloto ,T (Teboho)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Roetz ,K (Kyle)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Roetz ,K (Kyle)	1	1136.1	711.1	1	1121	711.1	0	0	0	0	0	0
10	Tsembeyi ,N (Ntsikelelo)	1	1	425	1	1	425	0	0	0	0	0	0
10	Tsembeyi ,N (Ntsikelelo)	1	1197	1622	1	1194.4	1622	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

Du Plessis, J (Juan-Pierre)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms