Chess South Africa Ratings Database

PLAYER PAGE

Personal

Pieterse, JJ (Johan)

Chess SA id

1080145431

FIDE id

Date of birth

2008-05-29 (U18)

Gender

Male

Region

Capricorn (LCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-21

Personal details last changed

1900-01-01

Junior GPX Games

19.2

Junior GPX Points

1295.2

Item	Main	Standard	Rapid	Blitz
Rating	1401.4	1372	1339.1	1200
Raw rating	1401.4	1372	1339.1	1200
Weighted rating	1374.1	1354.9	1312.6	1200
Weighted performance	1302.6	1241.6	0	0
Floor	901.4	872	839.1	700
K-factor	32	36	36	36
Min/Max rating change allowed	124.5	129.8	136	165.8
Highest rating	1412.9 2024-06-01	1372 2025-04-01	1377 2024-06-01	1200 2018-10-01
Highest raw rating	1401.4 2025-04-01	1372 2025-04-01	1339.1 2025-04-01	1200 2024-02-01
Highest weighted rating	1363.7 2025-08-01	1347.9 2025-08-01	1302.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1412.9 2024-06-01	1363.1 2024-04-01	1377 2024-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1401.4	1372	1339.1	1200
Analysis
Rating	1401.4	1372	1339.1	1200
Raw rating	1401.4	1372	1339.1	1200
Weighted rating	1374.1	1354.9	1312.6
Weighted performance	1302.6	1241.6	0
K-factor	32	36	36	36
Floor	901.4	872	839.1	700
Max/Min rating change allowed	124.5	129.8	136	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	1401.4	1372	1339.1	1200
New weighted rating	1378.5	1357.8	1316.9	1200
New weighted performance	1302.1	1241.1	0	0
Temp new rating	1401.4	1372	1339.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1401.4	1372	1339.1	1200
New K-factor	32	36	36	36
New floor	901.4	872	839.1	700

Item	Main	Standard	Rapid
	0	0	0
	10	5	5
	48	37	11
	11	5	6
	5	5	0
	0	0	0
History	74	52	22

Games since
	Main 58	Standard 42		Rapid 16		Blitz 0
Gender	Male
Age group	U18
Region	Capricorn (LCP)
Province	Limpopo (LP)
Main
	RSA		Province		Region
Overall	2152		58		50
Male	1771		57		49
U18	344		11		11
U18 Male	294		11		11
Standard
	RSA		Province		Region
Overall	2348		69		63
Male	1908		66		60
U18	391		14		14
U18 Male	336		14		14
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	10	8	80	255	1255.1	1510.1
Standard	5	4	80	255	1230.3	1485.3
Rapid	5	4	80	255	1279.9	1534.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	74	48	64.86	126.4	1260.5	1386.8
Standard	52	32	61.54	98.1	1277.8	1375.9
Rapid	22	16	72.73	193.2	1219.4	1412.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1401.4	1372	1339.1	1200
2025-09-01	1401.4	1372	1339.1	1200
2025-08-01	1401.4	1372	1339.1	1200
2025-07-01	1401.4	1372	1339.1	1200
2025-06-01	1401.4	1372	1339.1	1200
2025-05-01	1401.4	1372	1339.1	1200
2025-04-01	1401.4	1372	1339.1	1200
2025-03-01	1360.7	1344.9	1305.3	1200
2025-02-01	1360.7	1344.9	1305.3	1200
2025-01-01	1360.7	1344.9	1305.3	1200
2024-12-01	1367.5	1351.4	1305.3	1200
2024-11-01	1367.5	1351.4	1305.3	1200
2024-10-01	1366.9	1353.6	1305.3	1200
2024-09-01	1364.8	1348.6	1305.3	1200
2024-08-01	1364.8	1348.6	1305.3	1200
2024-07-01	1364.8	1348.6	1305.3	1200
2024-06-01	1343	1348.6	1265	1200
2024-08-01	1343	1348.6	1265	1200
2024-04-01	1293	1312.8	1201.6	1200
2024-03-01	1260.4	1275.7	1201.6	1200
2024-02-01	1244	1256.6	1201.6	1200
2024-01-01	1244	1256.6	1201.6	1200
2023-12-01	1244	1256.6	1201.6	1200
2023-11-01	1244	1256.6	1201.6	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	NABOOMSPAR Open Chess Tournament 21 Mar 2025 (Open)	2025-03-21	2025-03-21	Rapid	Capricorn (LCP)	5	5	4	Yes	Analysis
2	Waterberg Junior Qualifying 1 2025 (U16-U20)	2025-02-22	2025-02-22	Standard	Waterberg (LWM)	5	5	4	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	NABOOMSPAR Open Chess Tournament 21 Mar 2025 (Open)	2025-03-21	2025-03-21	Rapid	Capricorn (LCP)	5	5	4	Yes	Analysis
2	Waterberg Junior Qualifying 1 2025 (U16-U20)	2025-02-22	2025-02-22	Standard	Waterberg (LWM)	5	5	4	Yes	Analysis
3	Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Candidates)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	4	Yes	Analysis
4	Limpopo Junior Trials 2024 (U18)	2024-10-05	2024-10-05	Standard	Capricorn (LCP)	5	5	2.5	Yes	Analysis
5	Capricorn Junior Qualifying 6 2024 (U18)	2024-09-14	2024-09-14	Standard	Capricorn (LCP)	5	5	2.5	Yes	Analysis
6	Waterberg Qualfying 2024 (U18)	2024-07-19	2024-07-19	Standard	Waterberg (LWM)	5	5	3	Yes	Analysis
7	Nylstroom Modimolle Open Chess Tournament 15 June 2024	2024-06-15	2024-06-15	Rapid	Waterberg (LWM)	5	5	3.5	Yes	Analysis
8	NABOOMSPAR Open Chess Tournament 2024 (Open)	2024-04-27	2024-04-27	Standard	Waterberg (LWM)	5	5	3	Yes	Analysis
9	NWU Super 16 2024	2024-04-19	2024-04-19	Rapid	Gert Sibande (MGS)	6	6	5	Yes	Analysis
10	Capricorn District Junior Qualifying 3 2024 (U18)	2024-03-09	2024-03-09	Standard	Capricorn (LCP)	5	5	3.5	Yes	Analysis
11	Capricorn District Chess Junior Qualifying Tournament 2024 (U18)	2024-02-10	2024-02-10	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
12	NWU Super 16 2023 (B)	2023-04-21	2023-04-21	Rapid	Gert Sibande (MGS)	7	6	3.5	Yes	Analysis
13	Capricorn Qualifying February 4th 2023 (U16)	2023-02-04	2023-02-04	Standard	Capricorn (LCP)	5	5	3.5	Yes	Analysis
14	Capricorn Qualifying August 2022 (U16)	2022-08-20	2022-08-20	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	6	Tournament Limpopo Junior Trials 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-12-17	rnd 3	type Standard	result 0.5
		Opponent Dicks, E (Enrico)				Opponent Maruma, K (Katlego)
2	5	Tournament Waterberg Junior Qualifying 1 2025				Tournament NABOOMSPAR Open Chess Tournament 21 Mar 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-03-21	rnd 3	type Rapid	result 1
		Opponent Shayi, C (Caroline)				Opponent Pretorius, X (Xuan)
3	4	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Waterberg Junior Qualifying 1 2025
		date 2024-12-18	rnd 6	type Standard	result 0.5	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Bojana, S (Singisile)				Opponent Pretorius, D (Danielle)

#	Games	Start				End
1	6	Tournament Limpopo Junior Trials 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-10-05	rnd 3	type Standard	result 1	date 2024-12-17	rnd 3	type Standard	result 0.5
		Opponent Dicks, E (Enrico)				Opponent Maruma, K (Katlego)
2	4	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Waterberg Junior Qualifying 1 2025
		date 2024-12-18	rnd 6	type Standard	result 0.5	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Bojana, S (Singisile)				Opponent Pretorius, D (Danielle)
3	3	Tournament Waterberg Qualfying 2024				Tournament Capricorn Junior Qualifying 6 2024
		date 2024-07-19	rnd 5	type Standard	result 1	date 2024-09-14	rnd 2	type Standard	result 0.5
		Opponent Gwenda, M (Mosese)				Opponent Chokoe, L (Lesiba)

#	Games	Start				End
1	6	Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024				Tournament NABOOMSPAR Open Chess Tournament 21 Mar 2025
		date 2024-06-15	rnd 3	type Rapid	result 1	date 2025-03-21	rnd 3	type Rapid	result 1
		Opponent Schoeman, A (Anthony)				Opponent Pretorius, X (Xuan)
2	4	Tournament NWU Super 16 2024				Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024
		date 2024-04-19	rnd 4	type Rapid	result 1	date 2024-06-15	rnd 1	type Rapid	result 1
		Opponent Kasselman, J (Johan)				Opponent Storbeck, M (Mareus)
3	4	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 2	type Rapid	result 0.5	date 2023-04-21	rnd 5	type Rapid	result 1
		Opponent Sibanda, S (Samuel)				Opponent Tolmay, F (Frikkie George)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Waterberg Junior Qualifying 1 2025				Tournament NABOOMSPAR Open Chess Tournament 21 Mar 2025
		date 2025-02-22	rnd 4	type Standard	result 1	date 2025-03-21	rnd 3	type Rapid	result 1
		Opponent Shayi, C (Caroline)				Opponent Pretorius, X (Xuan)
2	3	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Waterberg Junior Qualifying 1 2025
		date 2024-12-19	rnd 7	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Mahomed, I (Ishaan)				Opponent Pretorius, D (Danielle)
3	3	Tournament NABOOMSPAR Open Chess Tournament 2024				Tournament NABOOMSPAR Open Chess Tournament 2024
		date 2024-04-27	rnd 2	type Standard	result 1	date 2024-04-27	rnd 4	type Standard	result 1
		Opponent Nkgodi, T (Tiisetso)				Opponent Van Rensburg, W (Wian)

#	Games	Start				End
1	3	Tournament Mzansi Interprovincial Youth Chess Championships 2024				Tournament Waterberg Junior Qualifying 1 2025
		date 2024-12-19	rnd 7	type Standard	result 1	date 2025-02-22	rnd 2	type Standard	result 1
		Opponent Mahomed, I (Ishaan)				Opponent Pretorius, D (Danielle)
2	3	Tournament NABOOMSPAR Open Chess Tournament 2024				Tournament NABOOMSPAR Open Chess Tournament 2024
		date 2024-04-27	rnd 2	type Standard	result 1	date 2024-04-27	rnd 4	type Standard	result 1
		Opponent Nkgodi, T (Tiisetso)				Opponent Van Rensburg, W (Wian)
3	3	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-10	rnd 2	type Standard	result 1	date 2024-02-10	rnd 4	type Standard	result 1
		Opponent Ramashilo, K (Kgotsofatso)				Opponent Mowasa, M (Mohapi)

#	Games	Start				End
1	4	Tournament NWU Super 16 2024				Tournament Nylstroom Modimolle Open Chess Tournament 15 June 2024
		date 2024-04-19	rnd 4	type Rapid	result 1	date 2024-06-15	rnd 1	type Rapid	result 1
		Opponent Kasselman, J (Johan)				Opponent Storbeck, M (Mareus)
2	3	Tournament NABOOMSPAR Open Chess Tournament 21 Mar 2025				Tournament NABOOMSPAR Open Chess Tournament 21 Mar 2025
		date 2025-03-21	rnd 1	type Rapid	result 1	date 2025-03-21	rnd 3	type Rapid	result 1
		Opponent Baloyi, M (Michael)				Opponent Pretorius, X (Xuan)
3	3	Tournament NWU Super 16 2023				Tournament NWU Super 16 2023
		date 2023-04-21	rnd 3	type Rapid	result 1	date 2023-04-21	rnd 5	type Rapid	result 1
		Opponent Bowles, B (Brandon)				Opponent Tolmay, F (Frikkie George)

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	Pretorius ,Y (Yannich)	3	1.5	0	3	1.5	0	0	0	0	0	0	0
1	Pretorius ,Y (Yannich)	3	1379.9	1379.9	3	1363.7	1379.9	0	0	0	0	0	0
2	Rampfomedzi ,M (Malanga)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Rampfomedzi ,M (Malanga)	2	1424.8	999.8	2	1438.2	999.8	0	0	0	0	0	0
3	Mowasa ,M (Mohapi)	2	2	425	2	2	425	0	0	0	0	0	0
3	Mowasa ,M (Mohapi)	2	1263.3	1688.3	2	1272.4	1688.3	0	0	0	0	0	0
4	Moroaswi ,T (Tlhakodisho)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Moroaswi ,T (Tlhakodisho)	2	1488.3	1063.3	2	1487.9	1063.3	0	0	0	0	0	0
5	Mehta ,A (Aryan)	2	0	-425	0	0	0	2	0	-425	0	0	0
5	Mehta ,A (Aryan)	2	1458.7	1033.7	0	0	0	2	1258.4	1033.7	0	0	0
6	Mothiba ,T (Takalo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Mothiba ,T (Takalo)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Matladi ,K (Karabo)	1	1	425	1	1	425	0	0	0	0	0	0
7	Matladi ,K (Karabo)	1	1240.9	1665.9	1	1248.7	1665.9	0	0	0	0	0	0
8	Nkgodi ,T (Tiisetso)	1	1	425	1	1	425	0	0	0	0	0	0
8	Nkgodi ,T (Tiisetso)	1	1172.2	1597.2	1	1171.3	1597.2	0	0	0	0	0	0
9	Kgabo ,N (Natile)	1	1	425	1	1	425	0	0	0	0	0	0
9	Kgabo ,N (Natile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Mkhawana ,L (Lunghile)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mkhawana ,L (Lunghile)	1	1173.1	1598.1	1	1168.4	1598.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Pieterse, JJ (Johan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms