Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pieterse, J (Jurgens)

Chess SA id

1150152078

FIDE id

Date of birth

2015-07-11 (U12)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1229.4	1257.6	1182.5	1200
Raw rating	1228.7	1257.6	1182.5	1200
Weighted rating	1229.4	1241.3	1182.5	1200
Weighted performance	1117.1	0	0	0
Floor	750.2	757.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	159.2	152.8	170	165.8
Highest rating	1251 2024-07-01	1282.5 2024-07-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1250.2 2025-06-01	1257.6 2024-08-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1226 2025-08-01	1233.7 2025-08-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1251 2024-07-01	1282.5 2024-07-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	1.4	0	0.1	0
New rating	1230.8	1257.6	1182.6	1200
Analysis
Rating	1229.4	1257.6	1182.5	1200
Raw rating	1228.7	1257.6	1182.5	1200
Weighted rating	1229.4	1241.3	1182.5
Weighted performance	1117.1	0	0
K-factor	36	36	36	36
Floor	750.2	757.6	700	700
Max/Min rating change allowed	159.2	152.8	170	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	1228.7	1257.6	1182.5	1200
New weighted rating	1230.8	1244.5	1182.6	1200
New weighted performance	1116.7	0	0	0
Temp new rating	1230.8	1257.6	1182.6	1200
Temp new rating +/-	1.4	0	0.1	0
Final new rating +/-	1.4	0	0.1	0
New rating	1230.8	1257.6	1182.6	1200
New K-factor	36	36	36	36
New floor	750.2	757.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	10	0	10
	15	15	0
	10	5	5
	0	0	0
	0	0	0
History	35	20	15

Games since
	Main 25	Standard 15		Rapid 10		Blitz 0
Gender	Male
Age group	U12
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	10	5	50	0	1207.9	1207.9
Standard	0	0	0	0	0	0
Rapid	10	5	50	0	1207.9	1207.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	35	18	51.43	12.1	1201.1	1213.2
Standard	20	11	55	42.5	1185.9	1228.4
Rapid	15	7	46.67	-28.3	1221.3	1192.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1228.7	1257.6	1182.5	1200
2025-09-01	1228.7	1257.6	1182.5	1200
2025-08-01	1228.7	1257.6	1182.5	1200
2025-07-01	1250.2	1257.6	1199.6	1200
2025-06-01	1250.2	1257.6	1199.6	1200
2025-05-01	1246	1257.6	1179.5	1200
2025-04-01	1246	1257.6	1179.5	1200
2025-03-01	1246	1257.6	1179.5	1200
2025-02-01	1246	1257.6	1179.5	1200
2025-01-01	1246	1257.6	1178.4	1200
2024-12-01	1246	1257.6	1178.4	1200
2024-11-01	1246	1257.6	1178.4	1200
2024-10-01	1246	1257.6	1178.4	1200
2024-09-01	1246	1257.6	1178.4	1200
2024-08-01	1246	1257.6	1178.4	1200
2024-07-01	1156.4	1144	1178.4	1200
2024-06-01	1156.4	1144	1178.4	1200
2024-08-01	1159.4	1151.6	1178.4	1200
2024-04-01	1159.4	1151.6	1178.4	1200
2024-03-01	1159.4	1151.6	1178.4	1200
2024-02-01	1159.4	1151.6	1178.4	1200
2024-01-01	1159.4	1151.6	1178.4	1200
2023-12-01	1159.4	1151.6	1178.4	1200
2023-11-01	1159.4	1151.6	1178.4	1200

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	Bojanala's Clash Of Schools -Primary Schools 2025 (U11)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
2	Kwaggasrus Rapids 2025 (Juniors)	2025-05-17	2025-05-17	Rapid	Bojanala Platina (NBR)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Clash Of Schools -Primary Schools 2025 (U11)	2025-07-26	2025-07-26	Rapid	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
2	Kwaggasrus Rapids 2025 (Juniors)	2025-05-17	2025-05-17	Rapid	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
3	Bojanala's Clash Of Schools 2024 (U9)	2024-07-20	2024-07-20	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
4	Hamakom's Pioneers Of The Board 2024 (Center Pawns)	2024-07-13	2024-07-13	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
5	Schoemies' Kwaggarus Chess Getaway 2024 (Junior)	2024-05-18	2024-05-18	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
6	Bojanala School League 2023 (U9)	2023-08-19	2023-08-19	Rapid	Bojanala Platina (NBR)	7	5	2	Yes	Analysis
7	Schoemies Kings & Queens 2023 (Development)	2023-03-18	2023-03-18	Standard	Bojanala Platina (NBR)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Hamakom's Pioneers Of The Board 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-13	rnd 5	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Bosch, L (Luandru)				Opponent Du Preez, B (Bg)
2	3	Tournament Schoemies' Kwaggarus Chess Getaway 2024				Tournament Hamakom's Pioneers Of The Board 2024
		date 2024-05-18	rnd 5	type Standard	result 0.5	date 2024-07-13	rnd 2	type Standard	result 1
		Opponent Van Oudtshoorn, R (Roch�)				Opponent Smit, H (Hesmia)
3	2	Tournament Kwaggasrus Rapids 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-05-17	rnd 5	type Rapid	result 1	date 2025-07-26	rnd 1	type Rapid	result 1
		Opponent Wright, G (Gideon)				Opponent Maotwe, K (Kgotso)

#	Games	Start				End
1	5	Tournament Hamakom's Pioneers Of The Board 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-13	rnd 5	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Bosch, L (Luandru)				Opponent Du Preez, B (Bg)
2	3	Tournament Schoemies' Kwaggarus Chess Getaway 2024				Tournament Hamakom's Pioneers Of The Board 2024
		date 2024-05-18	rnd 5	type Standard	result 0.5	date 2024-07-13	rnd 2	type Standard	result 1
		Opponent Van Oudtshoorn, R (Roch�)				Opponent Smit, H (Hesmia)
3	3	Tournament Schoemies Kings & Queens 2023				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2023-03-18	rnd 5	type Standard	result 1	date 2024-05-18	rnd 2	type Standard	result 1
		Opponent Scholtz, C (Corniel)				Opponent Pretorius, S (Stephan Nicolaas)

#	Games	Start				End
1	2	Tournament Kwaggasrus Rapids 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-05-17	rnd 5	type Rapid	result 1	date 2025-07-26	rnd 1	type Rapid	result 1
		Opponent Wright, G (Gideon)				Opponent Maotwe, K (Kgotso)
2	2	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 3	type Rapid	result 1	date 2023-08-19	rnd 4	type Rapid	result 1
		Opponent Mokua, U (Unarine)				Opponent Rapoo, R (Retloditswe)
3	1	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 4	type Rapid	result 1	date 2025-07-26	rnd 4	type Rapid	result 1
		Opponent Mphagale, M (Mpho)				Opponent Mphagale, M (Mpho)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Hamakom's Pioneers Of The Board 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-13	rnd 5	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Bosch, L (Luandru)				Opponent Du Preez, B (Bg)
2	2	Tournament Kwaggasrus Rapids 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-05-17	rnd 5	type Rapid	result 1	date 2025-07-26	rnd 1	type Rapid	result 1
		Opponent Wright, G (Gideon)				Opponent Maotwe, K (Kgotso)
3	2	Tournament Hamakom's Pioneers Of The Board 2024				Tournament Hamakom's Pioneers Of The Board 2024
		date 2024-07-13	rnd 1	type Standard	result 1	date 2024-07-13	rnd 2	type Standard	result 1
		Opponent Toughey, D (Dylan)				Opponent Smit, H (Hesmia)

#	Games	Start				End
1	5	Tournament Hamakom's Pioneers Of The Board 2024				Tournament Bojanala's Clash Of Schools 2024
		date 2024-07-13	rnd 5	type Standard	result 1	date 2024-07-20	rnd 4	type Standard	result 1
		Opponent Bosch, L (Luandru)				Opponent Du Preez, B (Bg)
2	3	Tournament Schoemies Kings & Queens 2023				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2023-03-18	rnd 5	type Standard	result 1	date 2024-05-18	rnd 2	type Standard	result 1
		Opponent Scholtz, C (Corniel)				Opponent Pretorius, S (Stephan Nicolaas)
3	2	Tournament Hamakom's Pioneers Of The Board 2024				Tournament Hamakom's Pioneers Of The Board 2024
		date 2024-07-13	rnd 1	type Standard	result 1	date 2024-07-13	rnd 2	type Standard	result 1
		Opponent Toughey, D (Dylan)				Opponent Smit, H (Hesmia)

#	Games	Start				End
1	2	Tournament Kwaggasrus Rapids 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-05-17	rnd 5	type Rapid	result 1	date 2025-07-26	rnd 1	type Rapid	result 1
		Opponent Wright, G (Gideon)				Opponent Maotwe, K (Kgotso)
2	2	Tournament Bojanala School League 2023				Tournament Bojanala School League 2023
		date 2023-08-19	rnd 3	type Rapid	result 1	date 2023-08-19	rnd 4	type Rapid	result 1
		Opponent Mokua, U (Unarine)				Opponent Rapoo, R (Retloditswe)
3	1	Tournament Bojanala's Clash Of Schools -Primary Schools 2025				Tournament Bojanala's Clash Of Schools -Primary Schools 2025
		date 2025-07-26	rnd 4	type Rapid	result 1	date 2025-07-26	rnd 4	type Rapid	result 1
		Opponent Mphagale, M (Mpho)				Opponent Mphagale, M (Mpho)

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	Bouwer ,H (Hendrik)	3	1	-141.7	1	1	425	2	0	-425	0	0	0
1	Bouwer ,H (Hendrik)	3	1212.5	1070.9	1	1210.4	1637.5	2	1227.7	787.5	0	0	0
2	Coetzee ,W (Willie)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Coetzee ,W (Willie)	1	1102.7	677.7	1	1081.6	677.7	0	0	0	0	0	0
3	Van Der Merwe ,J (Josua)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Van Der Merwe ,J (Josua)	1	1120.3	695.3	1	1101.1	695.3	0	0	0	0	0	0
4	Jacobs ,B (Bernard)	1	1	425	1	1	425	0	0	0	0	0	0
4	Jacobs ,B (Bernard)	1	1184.7	1609.7	1	1181.6	1609.7	0	0	0	0	0	0
5	Ferreira ,B (Bennit)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ferreira ,B (Bennit)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Evans ,J (Johandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Evans ,J (Johandre)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Du Plessis ,A (Alois)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Du Plessis ,A (Alois)	1	1130.1	705.1	1	1112.8	705.1	0	0	0	0	0	0
8	Kalala ,B (Beni)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Kalala ,B (Beni)	1	1174.7	749.7	1	1183.6	749.7	0	0	0	0	0	0
9	Van Oudtshoorn ,R (Roch�)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Van Oudtshoorn ,R (Roch�)	1	1180	1180	1	1175.2	1180	0	0	0	0	0	0
10	De Villiers ,O (Owen)	1	1	425	1	1	425	0	0	0	0	0	0
10	De Villiers ,O (Owen)	1	1128.7	1553.7	1	1107.6	1553.7	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

Pieterse, J (Jurgens)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms