Chess South Africa Ratings Database

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Personal

Nortje, P (Pieter)

Chess SA id

1860140606

FIDE id

Date of birth

1986-05-18 (Adult)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1578	1559	1422.3	1447.9
Raw rating	1578	1559	1422.3	1447.9
Weighted rating	1549.4	1510.9	1406.4	1437.7
Weighted performance	1521.4	1529	1338.3	1342.7
Floor	1078	1059	930.3	968
K-factor	32	32	32	32
Min/Max rating change allowed	96.8	99.4	120.8	116.5
Highest rating	1578 2026-01-01	1620.3 2022-06-01	1430.3 2025-06-01	1483.5 2024-09-01
Highest raw rating	1578 2026-01-01	1559 2026-01-01	1430.3 2025-06-01	1468 2024-10-01
Highest weighted rating	1549.4 2026-01-01	1510.9 2026-01-01	1398.8 2025-11-01	1426.9 2025-09-30
Highest weighted performance	1541.7 2025-06-01	1620.3 2022-06-01	1415.4 2024-04-01	1483.5 2024-09-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1578	1559	1422.3	1447.9
Analysis
Rating	1578	1559	1422.3	1447.9
Raw rating	1578	1559	1422.3	1447.9
Weighted rating	1549.4	1510.9	1406.4
Weighted performance	1521.4	1529	1338.3
K-factor	32	32	32	32
Floor	1078	1059	930.3	968
Max/Min rating change allowed	96.8	99.4	120.8	116.5
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	1578	1559	1422.3	1447.9
New weighted rating	1553.6	1517.9	1409.3	1440.1
New weighted performance	1511.3	1518.6	1328.9	1333.2
Temp new rating	1578	1559	1422.3	1447.9
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1578	1559	1422.3	1447.9
New K-factor	32	32	32	32
New floor	1078	1059	930.3	968

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	58	9	26	23
	81	21	13	47
	40	4	12	24
	46	16	6	24
	0	0	0	0
History	225	50	57	118

Games since
	Main 139	Standard 30		Rapid 39		Blitz 70
Gender	Male
Age group	Adult
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	850		255		53
Male	754		222		47
Adult	346		108		21
Adult Male	323		98		19
Standard
	RSA		Province		Region
Overall	913		254		52
Male	795		218		45
Adult	335		90		11
Adult Male	314		82		10
Rapid
	RSA		Province		Region
Overall	438		214		20
Male	381		186		19
Adult	141		50		10
Adult Male	132		49		10
Blitz
	RSA		Province		Region
Overall	158		72		24
Male	149		67		21
Adult	124		59		19
Adult Male	115		54		16


	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	58	31.5	54.31	36.6	1554.6	1591.3
Standard	9	4.5	50	0	1582.9	1582.9
Rapid	26	15	57.69	65.4	1511.6	1577
Blitz	23	12	52.17	18.5	1592.2	1610.7
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	225	123.5	54.89	41.6	1489.2	1530.8
Standard	50	27.5	55	42.5	1509.9	1552.4
Rapid	57	32.5	57.02	59.6	1495.9	1555.5
Blitz	118	63.5	53.81	32.4	1477.2	1509.6

Date	Main	Standard	Rapid	Blitz
2026-01-01	1578	1559	1422.3	1447.9
2025-11-30	1563.3	1540.4	1422.3	1447.9
2025-11-01	1563.3	1540.4	1422.3	1447.9
2025-09-30	1565.7	1533.1	1430.3	1447.9
2025-09-01	1565.4	1533.1	1430.3	1451.7
2025-08-01	1562.7	1527.5	1430.3	1451.7
2025-07-01	1562.7	1527.5	1430.3	1451.7
2025-06-01	1569.8	1527.5	1430.3	1466.5
2025-05-01	1549	1527.5	1397.2	1428.3
2025-04-01	1552.7	1527.5	1387.2	1428.3
2025-03-01	1552.7	1527.5	1387.2	1428.3
2025-02-01	1542.9	1527.5	1384.3	1428.3
2025-01-01	1542.9	1527.5	1384.3	1428.3
2024-12-01	1542.9	1527.5	1384.3	1428.3
2024-11-01	1513.7	1452.8	1384.3	1428.3
2024-10-01	1539.3	1460.2	1384.3	1468
2024-09-01	1515	1412.2	1384.3	1446.6
2024-11-01	1515	1412.2	1384.3	1446.6
2024-07-01	1509.1	1412.2	1384.3	1380
2024-06-01	1477.5	1342.4	1384.3	1380
2024-05-01	1470	1342.4	1384.3	1332.5
2024-04-01	1421.9	1342.4	1280.6	1318.5
2024-03-01	1421.9	1342.4	1280.6	1318.5
2024-02-01	1404.8	1342.4	1255.8	1318.5

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	Eden Chess Closed 2025 (Men)	2025-12-06	2025-12-07	Standard	Eden (WEG)	5	5	2.5	Yes	Analysis
2	Eden League 2025 (Premier Division)	2025-10-11	2025-10-11	Standard	Eden (WEG)	5	5	3	Yes	Analysis
3	2025 Mossel Bay Open (Rapid A)	2025-10-04	2025-10-04	Rapid	Eden (WEG)	7	7	3.5	Yes	Analysis
4	Eden Blitz 2025 (Open)	2025-09-20	2025-09-20	Blitz	Eden (WEG)	9	9	4.5	Yes	Analysis
5	2025 Eden Open & Women's Tournament (Championship)	2025-08-23	2025-08-23	Standard	Eden (WEG)	5	4	1.5	Yes	Analysis
6	InterClub Blitz 3 2025	2025-06-12	2025-06-12	Blitz	Eden (WEG)	6	6	2	Yes	Analysis
7	InterClub Blitz 2 2025	2025-05-08	2025-05-08	Blitz	Eden (WEG)	10	8	5.5	Yes	Analysis
8	Southern Knights Rapid 2025 (Open)	2025-05-03	2025-05-03	Rapid	Eden (WEG)	7	6	3.5	Yes	Analysis
9	Hermanus Chess Club Open 2025 (Advanced)	2025-04-12	2025-04-12	Rapid	Overberg (WOS)	7	7	3.5	Yes	Analysis
10	Eden Rapid 2025 (A)	2025-02-23	2025-02-23	Rapid	Eden (WEG)	6	6	4.5	Yes	Analysis
11	Eden Closed 2024 (Men)	2024-11-23	2024-11-24	Standard	Eden (WEG)	5	5	3	Yes	Analysis
12	Eden Chess Union League 2024 (Premier)	2024-10-12	2024-10-12	Standard	Eden (WEG)	5	5	2	Yes	Analysis
13	InterClub Blitz 5 2024	2024-10-07	2024-10-07	Blitz	Eden (WEG)	6	6	0.5	Yes	Analysis
14	Mossel Bay Open 2024 (A)	2024-09-21	2024-09-22	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
15	InterClub Blitz 4 2024	2024-09-04	2024-09-04	Blitz	Eden (WEG)	10	8	3	Yes	Analysis
16	Eden Blitz 2024	2024-08-30	2024-08-30	Blitz	Eden (WEG)	9	9	5	Yes	Analysis
17	InterClub Blitz 3 Open 2024	2024-07-18	2024-07-18	Blitz	Eden (WEG)	10	8	5	Yes	Analysis
18	Eden Open 2024 (A)	2024-06-22	2024-06-22	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
19	InterClub Blitz 2 2024	2024-05-16	2024-05-16	Blitz	Eden (WEG)	10	8	6.5	Yes	Analysis
20	InterClub Blitz 1 2024	2024-04-17	2024-04-17	Blitz	Eden (WEG)	10	8	5	Yes	Analysis
21	Waboomskraal Chess Club Open 2024	2024-04-06	2024-04-06	Rapid	Eden (WEG)	7	7	5	Yes	Analysis
22	Southern Knights Rapid 2024 (Open)	2024-02-24	2024-02-24	Rapid	Eden (WEG)	6	6	3	Yes	Analysis
23	Knysna Oyster Festival 2023 (Open)	2023-07-01	2023-07-01	Rapid	Eden (WEG)	6	6	3.5	Yes	Analysis
24	InterClub Blitz 3 2023	2023-07-20	2023-07-20	Blitz	Eden (WEG)	10	8	2	Yes	Analysis
25	Inter Club Blitz 2 2023 (Open)	2023-06-21	2023-06-21	Blitz	Eden (WEG)	10	8	5.5	Yes	Analysis
26	Inter Club Blitz 1 2023	2023-05-24	2023-05-24	Blitz	Eden (WEG)	10	8	5	Yes	Analysis
27	George Chess Club Winter Open 2023 (A)	2023-05-20	2023-05-20	Standard	Eden (WEG)	5	4	1.5	Yes	Analysis
28	Hermanus Rapid 2023 (B)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
29	George Open 2022 (A)	2022-12-03	2022-12-03	Standard	Eden (WEG)	5	5	1	Yes	Analysis
30	Mossel Bay Open 2022 (B)	2022-09-30	2022-10-02	Standard	Eden (WEG)	6	6	5	Yes	Analysis
31	Interclub Blitz Evening (Mossel Bay)	2022-10-26	2022-10-26	Blitz	Eden (WEG)	6	6	3	Yes	Analysis
32	Pacaltsdorp Chess Club 2022 (A)	2022-08-27	2022-08-27	Rapid	Eden (WEG)	6	6	3	Yes	Analysis
33	Interclub Blitz Evening 2022	2022-08-11	2022-08-11	Blitz	Eden (WEG)	6	6	2	Yes	Analysis
34	Interclub Blitz Evening 2022	2022-06-08	2022-06-08	Blitz	Eden (WEG)	6	6	5	Yes	Analysis
35	George Open 2022 (B)	2022-06-11	2022-06-11	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
36	Interclub Blitz Evening 2022	2022-05-11	2022-05-11	Blitz	Eden (WEG)	6	6	4	Yes	Analysis

#	Games	Start				End
1	7	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 2 2024
		date 2024-05-16	rnd 2	type Blitz	result 1	date 2024-05-16	rnd 10	type Blitz	result 1
		Opponent Hanabe, V (Victory)				Opponent Da Silva, D (Darren)
2	7	Tournament Inter Club Blitz 1 2023				Tournament Inter Club Blitz 2 2023
		date 2023-05-24	rnd 7	type Blitz	result 1	date 2023-06-21	rnd 5	type Blitz	result 1
		Opponent Cloete, R (Ralph)				Opponent Matthee, M (Morne)
3	7	Tournament Interclub Blitz Evening 2022				Tournament Interclub Blitz Evening 2022
		date 2022-05-11	rnd 5	type Blitz	result 1	date 2022-06-08	rnd 5	type Blitz	result 1
		Opponent Kiewiet, M (Marvin)				Opponent Ceasar, K (Kevin)

#	Games	Start				End
1	5	Tournament Eden Chess Union League 2024				Tournament Eden Closed 2024
		date 2024-10-12	rnd 3	type Standard	result 0.5	date 2024-11-23	rnd 2	type Standard	result 0.5
		Opponent Michaels, A (Antonio)				Opponent Jaars, T (Thomas)
2	4	Tournament Eden Open 2024				Tournament Eden Open 2024
		date 2024-06-22	rnd 2	type Standard	result 0.5	date 2024-06-22	rnd 5	type Standard	result 1
		Opponent Du Plessis, A (Arno)				Opponent Campher, K (Keegan)
3	3	Tournament Eden Closed 2024				Tournament 2025 Eden Open & Women's Tournament
		date 2024-11-24	rnd 4	type Standard	result 0.5	date 2025-08-23	rnd 2	type Standard	result 1
		Opponent Meyer, PJ (Pravin)				Opponent Claassen, R (Raynier)

#	Games	Start				End
1	4	Tournament Waboomskraal Chess Club Open 2024				Tournament Eden Rapid 2025
		date 2024-04-06	rnd 7	type Rapid	result 1	date 2025-02-23	rnd 3	type Rapid	result 1
		Opponent Cloete, R (Ralph)				Opponent Thoresen, K (Kyle)
2	3	Tournament Southern Knights Rapid 2025				Tournament Southern Knights Rapid 2025
		date 2025-05-03	rnd 3	type Rapid	result 1	date 2025-05-03	rnd 5	type Rapid	result 1
		Opponent Cox, D (Dominique)				Opponent Jansen Van Rensburg, R (Ruan)
3	3	Tournament Southern Knights Rapid 2024				Tournament Waboomskraal Chess Club Open 2024
		date 2024-02-24	rnd 6	type Rapid	result 1	date 2024-04-06	rnd 2	type Rapid	result 1
		Opponent Reynolds, A (Ansie)				Opponent Swart, G (George)

#	Games	Start				End
1	9	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-05-16	rnd 2	type Blitz	result 1	date 2024-07-18	rnd 2	type Blitz	result 1
		Opponent Hanabe, V (Victory)				Opponent Meyer, PJ (Pravin)
2	7	Tournament Inter Club Blitz 1 2023				Tournament Inter Club Blitz 2 2023
		date 2023-05-24	rnd 7	type Blitz	result 1	date 2023-06-21	rnd 5	type Blitz	result 1
		Opponent Cloete, R (Ralph)				Opponent Matthee, M (Morne)
3	7	Tournament Interclub Blitz Evening 2022				Tournament Interclub Blitz Evening 2022
		date 2022-05-11	rnd 5	type Blitz	result 1	date 2022-06-08	rnd 5	type Blitz	result 1
		Opponent Kiewiet, M (Marvin)				Opponent Ceasar, K (Kevin)

#	Games	Start				End
1	7	Tournament Interclub Blitz Evening 2022				Tournament Interclub Blitz Evening 2022
		date 2022-05-11	rnd 5	type Blitz	result 1	date 2022-06-08	rnd 5	type Blitz	result 1
		Opponent Kiewiet, M (Marvin)				Opponent Ceasar, K (Kevin)
2	5	Tournament Eden Open 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-06-22	rnd 3	type Standard	result 1	date 2024-07-18	rnd 2	type Blitz	result 1
		Opponent Le Kay, Y (Yshah)				Opponent Meyer, PJ (Pravin)
3	5	Tournament Mossel Bay Open 2022				Tournament Interclub Blitz Evening
		date 2022-10-01	rnd 4	type Standard	result 1	date 2022-10-26	rnd 2	type Blitz	result 1
		Opponent Petersen, S (Shenwin)				Opponent Gilbert, C (Cheslyn)

#	Games	Start				End
1	3	Tournament Eden Open 2024				Tournament Eden Open 2024
		date 2024-06-22	rnd 3	type Standard	result 1	date 2024-06-22	rnd 5	type Standard	result 1
		Opponent Le Kay, Y (Yshah)				Opponent Campher, K (Keegan)
2	3	Tournament Mossel Bay Open 2022				Tournament Mossel Bay Open 2022
		date 2022-10-01	rnd 4	type Standard	result 1	date 2022-10-02	rnd 6	type Standard	result 1
		Opponent Petersen, S (Shenwin)				Opponent Claassen, R (Ruwaldo)
3	3	Tournament George Open 2022				Tournament Mossel Bay Open 2022
		date 2022-06-11	rnd 5	type Standard	result 1	date 2022-10-01	rnd 2	type Standard	result 1
		Opponent Michaels, A (Antonio)				Opponent Muller, L (Luzane)

#	Games	Start				End
1	3	Tournament Southern Knights Rapid 2024				Tournament Waboomskraal Chess Club Open 2024
		date 2024-02-24	rnd 6	type Rapid	result 1	date 2024-04-06	rnd 2	type Rapid	result 1
		Opponent Reynolds, A (Ansie)				Opponent Swart, G (George)
2	2	Tournament Hermanus Chess Club Open 2025				Tournament Hermanus Chess Club Open 2025
		date 2025-04-12	rnd 4	type Rapid	result 1	date 2025-04-12	rnd 5	type Rapid	result 1
		Opponent Mostert, R (Remi)				Opponent Geyser, JE (Johan Emil)
3	2	Tournament Eden Rapid 2025				Tournament Eden Rapid 2025
		date 2025-02-23	rnd 5	type Rapid	result 1	date 2025-02-23	rnd 6	type Rapid	result 1
		Opponent Bevie, ME (Marvin Emile)				Opponent Gilbert, C (Cheslyn)

#	Games	Start				End
1	7	Tournament Interclub Blitz Evening 2022				Tournament Interclub Blitz Evening 2022
		date 2022-05-11	rnd 5	type Blitz	result 1	date 2022-06-08	rnd 5	type Blitz	result 1
		Opponent Kiewiet, M (Marvin)				Opponent Ceasar, K (Kevin)
2	4	Tournament InterClub Blitz 2 2025				Tournament InterClub Blitz 3 2025
		date 2025-05-08	rnd 8	type Blitz	result 1	date 2025-06-12	rnd 1	type Blitz	result 1
		Opponent Coetzer, PWJ (Pieter Wilhelm)				Opponent Pryse, JAY (Jayson)
3	4	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-05-16	rnd 9	type Blitz	result 1	date 2024-07-18	rnd 2	type Blitz	result 1
		Opponent Da Silva, D (Darren)				Opponent Meyer, PJ (Pravin)

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	Michaels ,A (Antonio)	11	3.5	-154.5	4	2.5	106.2	0	0	0	7	1	-303.6
1	Michaels ,A (Antonio)	11	1668.3	1513.7	4	1641.7	1774.5	0	0	0	7	1508.4	1364.7
2	Gilbert ,C (Cheslyn)	9	6	141.7	0	0	0	1	1	425	8	5	106.2
2	Gilbert ,C (Cheslyn)	9	1392.6	1534.3	0	0	0	1	1170.4	1817.6	8	1264.6	1498.9
3	Kruger ,S (Sachin)	8	2	-212.5	0	0	0	0	0	0	8	2	-212.5
3	Kruger ,S (Sachin)	8	1557.9	1345.4	0	0	0	0	0	0	8	1311.2	1345.4
4	Taute ,C (Clayden)	7	0	-425	1	0	-425	2	0	-425	4	0	-425
4	Taute ,C (Clayden)	7	1758.9	1333.9	1	1719.8	1333.9	2	1818.6	1333.9	4	1998.8	1333.9
5	Fourie ,C (Corne)	7	0	-425	1	0	-425	1	0	-425	5	0	-425
5	Fourie ,C (Corne)	7	1548.8	1123.8	1	1462.8	1123.8	1	1146	1123.8	5	1656.2	1123.8
6	Cloete ,R (Ralph)	6	4	141.7	1	0	-425	1	1	425	4	3	212.5
6	Cloete ,R (Ralph)	6	1519.6	1661.3	1	1492.3	1094.6	1	1407.7	1944.6	4	1358.1	1732.1
7	Meyer ,PJ (Pravin Jody)	5	3.5	170	3	1.5	0	0	0	0	2	2	425
7	Meyer ,PJ (Pravin Jody)	5	1544.5	1714.5	3	1515	1544.5	0	0	0	2	1472.4	1969.5
8	Jaars ,T (Thomas)	5	2.5	0	2	1	0	2	1	0	1	0.5	0
8	Jaars ,T (Thomas)	5	1641.2	1641.2	2	1638	1641.2	2	1386.6	1641.2	1	1584.4	1641.2
9	Swart ,S (Sune)	5	2.5	0	1	1	425	2	0.5	-212.5	2	1	0
9	Swart ,S (Sune)	5	1491.3	1491.3	1	1491.1	1916.3	2	1282.8	1278.8	2	1307.1	1491.3
10	Agulhas ,J (Justin)	5	2	-85	0	0	0	1	0	-425	4	2	0
10	Agulhas ,J (Justin)	5	1519.4	1434.4	0	0	0	1	1316.4	1094.4	4	1638.6	1519.4

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Nortje, P (Pieter)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms