Chess South Africa Ratings Database

PLAYER PAGE

Personal

Niemann, PWL (Petrus Wessel Le Roux)

Chess SA id

183027714

FIDE id

Date of birth

1983-07-14 (Adult)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1515.5	1503.2	1409	1477
Raw rating	1515.5	1503.2	1409	1477
Weighted rating	1454.6	1436.5	1407.4	1476.8
Weighted performance	1237.7	0	0	0
Floor	1015.5	1003.2	962	977
K-factor	32	32	32	32
Min/Max rating change allowed	105.8	107.7	123.1	111.7
Highest rating	1515.5 2025-08-01	1503.2 2025-08-01	1475 2023-06-01	1477 2024-02-01
Highest raw rating	1515.5 2025-08-01	1503.2 2025-08-01	1462 2023-07-01	1477 2024-02-01
Highest weighted rating	1461 2018-11-01	1461 2018-11-01	1462 2023-09-01	1476.5 2025-08-01
Highest weighted performance	1389.5 2023-06-01	1374.5 2024-05-01	1475 2023-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1515.5	1503.2	1409	1477
Analysis
Rating	1515.5	1503.2	1409	1477
Raw rating	1515.5	1503.2	1409	1477
Weighted rating	1454.6	1436.5	1407.4
Weighted performance	1237.7	0	0
K-factor	32	32	32	32
Floor	1015.5	1003.2	962	977
Max/Min rating change allowed	105.8	107.7	123.1	111.7
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	1515.5	1503.2	1409	1477
New weighted rating	1460	1442.3	1407.6	1476.9
New weighted performance	1237.2	0	0	0
Temp new rating	1515.5	1503.2	1409	1477
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1515.5	1503.2	1409	1477
New K-factor	32	32	32	32
New floor	1015.5	1003.2	962	977

Item	Main	Standard	Rapid
	0	0	0
	11	11	0
	10	10	0
	15	5	10
	0	0	0
	0	0	0
History	80	70	10

Games since
	Main 21	Standard 21		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	11	6	54.55	38.6	1592.2	1630.8
Standard	11	6	54.55	38.6	1592.2	1630.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	36	19	52.78	23.6	1409.9	1433.5
Standard	26	13.5	51.92	16.3	1440.4	1456.8
Rapid	10	5.5	55	42.5	1330.6	1373.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1515.5	1503.2	1409	1477
2025-09-01	1515.5	1503.2	1409	1477
2025-08-01	1515.5	1503.2	1409	1477
2025-07-01	1437.5	1419.9	1409	1477
2025-06-01	1437.5	1419.9	1409	1477
2025-05-01	1437.5	1419.9	1409	1477
2025-04-01	1437.5	1419.9	1409	1477
2025-03-01	1437.5	1419.9	1409	1477
2025-02-01	1436.9	1419.3	1409	1477
2025-01-01	1423.8	1400.4	1405	1477
2024-12-01	1423.8	1400.4	1405	1477
2024-11-01	1423.8	1400.4	1405	1477
2024-10-01	1423.8	1400.4	1405	1477
2024-09-01	1423.8	1400.4	1405	1477
2024-08-01	1423.8	1400.4	1405	1477
2024-07-01	1458.6	1440.7	1405	1477
2024-06-01	1458.6	1440.7	1405	1477
2024-08-01	1456.2	1433.3	1405	1477
2024-04-01	1456.2	1433.3	1405	1477
2024-03-01	1456.2	1433.3	1405	1477
2024-02-01	1456.2	1433.3	1405	1477
2024-01-01	1456.2	1433.3	1405	1477
2023-12-01	1420.8	1428	1405	1461
2023-11-01	1420.8	1428	1405	1461

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	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	6	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	6	Yes	Analysis
2	Chess Power House July Open 2024 (B)	2024-07-20	2024-07-20	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
3	JMC Helpmekaar Kollege Tournament 2024 (B)	2024-05-04	2024-05-04	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
4	2023 Centurion Chess Open (B)	2023-09-23	2023-09-23	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	Mzansi Spring Rapid 2023	2023-09-02	2023-09-02	Rapid	Johannesburg Metro (GJM)	7	6	2.5	Yes	Analysis
6	Chess Molecules 16 June Tournament 2023 (Parents)	2023-06-16	2023-06-16	Rapid	Ekurhuleni (GE)	5	4	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament JMC Helpmekaar Kollege Tournament 2024				Tournament Chess Power House July Open 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-07-20	rnd 2	type Standard	result 0.5
		Opponent Papanicolaou, A (Alexandra)				Opponent Whittaker, G (Gregory)
2	3	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-01	rnd 6	type Standard	result 1	date 2025-07-03	rnd 8	type Standard	result 1
		Opponent Mann, I (Iowan)				Opponent Soke, S (Simthande)
3	3	Tournament 2023 Centurion Chess Open				Tournament 2023 Centurion Chess Open
		date 2023-09-23	rnd 3	type Standard	result 1	date 2023-09-23	rnd 5	type Standard	result 0.5
		Opponent Rampela, M (Makoanyane Enock)				Opponent Whittaker, G (Gregory)

#	Games	Start				End
1	5	Tournament JMC Helpmekaar Kollege Tournament 2024				Tournament Chess Power House July Open 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-07-20	rnd 2	type Standard	result 0.5
		Opponent Papanicolaou, A (Alexandra)				Opponent Whittaker, G (Gregory)
2	3	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-01	rnd 6	type Standard	result 1	date 2025-07-03	rnd 8	type Standard	result 1
		Opponent Mann, I (Iowan)				Opponent Soke, S (Simthande)
3	3	Tournament 2023 Centurion Chess Open				Tournament 2023 Centurion Chess Open
		date 2023-09-23	rnd 3	type Standard	result 1	date 2023-09-23	rnd 5	type Standard	result 0.5
		Opponent Rampela, M (Makoanyane Enock)				Opponent Whittaker, G (Gregory)

#	Games	Start				End
1	2	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 4	type Rapid	result 0.5	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Waring, G (Gabriel)				Opponent Adam, U (Uthmaan)
2	2	Tournament Chess Molecules 16 June Tournament 2023				Tournament Chess Molecules 16 June Tournament 2023
		date 2023-06-16	rnd 3	type Rapid	result 1	date 2023-06-16	rnd 4	type Rapid	result 1
		Opponent Kuraysha, I (Ismail)				Opponent De Beer, G (Gertrud)
3	1	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 7	type Rapid	result 1	date 2023-09-02	rnd 7	type Rapid	result 1
		Opponent Didiza, LT (Lindelwa)				Opponent Didiza, LT (Lindelwa)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-01	rnd 6	type Standard	result 1	date 2025-07-03	rnd 8	type Standard	result 1
		Opponent Mann, I (Iowan)				Opponent Soke, S (Simthande)
2	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-06-28	rnd 2	type Standard	result 1	date 2025-06-29	rnd 3	type Standard	result 1
		Opponent Dzapasi, V (Vincent)				Opponent Pienaar, LA (Amadeus Leonard)
3	2	Tournament JMC Helpmekaar Kollege Tournament 2024				Tournament JMC Helpmekaar Kollege Tournament 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Papanicolaou, A (Alexandra)				Opponent Nkuna, R (Rhukanani)

#	Games	Start				End
1	3	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-01	rnd 6	type Standard	result 1	date 2025-07-03	rnd 8	type Standard	result 1
		Opponent Mann, I (Iowan)				Opponent Soke, S (Simthande)
2	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-06-28	rnd 2	type Standard	result 1	date 2025-06-29	rnd 3	type Standard	result 1
		Opponent Dzapasi, V (Vincent)				Opponent Pienaar, LA (Amadeus Leonard)
3	2	Tournament JMC Helpmekaar Kollege Tournament 2024				Tournament JMC Helpmekaar Kollege Tournament 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-05-04	rnd 4	type Standard	result 1
		Opponent Papanicolaou, A (Alexandra)				Opponent Nkuna, R (Rhukanani)

#	Games	Start				End
1	2	Tournament Chess Molecules 16 June Tournament 2023				Tournament Chess Molecules 16 June Tournament 2023
		date 2023-06-16	rnd 3	type Rapid	result 1	date 2023-06-16	rnd 4	type Rapid	result 1
		Opponent Kuraysha, I (Ismail)				Opponent De Beer, G (Gertrud)
2	1	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 7	type Rapid	result 1	date 2023-09-02	rnd 7	type Rapid	result 1
		Opponent Didiza, LT (Lindelwa)				Opponent Didiza, LT (Lindelwa)
3	1	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 5	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 1
		Opponent Adam, U (Uthmaan)				Opponent Adam, U (Uthmaan)

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	Whittaker ,G (Gregory)	2	1	0	2	1	0	0	0	0	0	0	0
1	Whittaker ,G (Gregory)	2	1245.7	1245.7	2	1240.1	1245.7	0	0	0	0	0	0
2	Makatwane ,L (Lethabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Makatwane ,L (Lethabo)	1	1390.3	965.3	1	1334	965.3	0	0	0	0	0	0
3	Pienaar ,LA (Amadeus Leonard)	1	1	425	1	1	425	0	0	0	0	0	0
3	Pienaar ,LA (Amadeus Leonard)	1	1541.5	1966.5	1	1553.3	1966.5	0	0	0	0	0	0
4	Moultrey ,V (Valentino)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Moultrey ,V (Valentino)	1	1534.9	1109.9	1	1536.3	1109.9	0	0	0	0	0	0
5	Ranoto ,T (Tumelo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Ranoto ,T (Tumelo)	1	1572.6	1147.6	1	1564.7	1147.6	0	0	0	0	0	0
6	Jones ,E (Edward)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Jones ,E (Edward)	1	1601.2	1176.2	1	1585.2	1176.2	0	0	0	0	0	0
7	Botha ,JCC (Johannes Christiaan Corneli)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Botha ,JCC (Johannes Christiaan Corneli)	1	1564.1	1564.1	1	1556.4	1564.1	0	0	0	0	0	0
8	Mkandawire ,F (Francis)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mkandawire ,F (Francis)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Manana ,KN (Kenneth)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Manana ,KN (Kenneth)	1	1788.3	1363.3	1	1807.9	1363.3	0	0	0	0	0	0
10	Van Meersbergen ,E (Ettienne)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Meersbergen ,E (Ettienne)	1	1735.9	1310.9	1	1737.2	1310.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Niemann, PWL (Petrus Wessel Le Roux)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms