Chess South Africa Ratings Database

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Personal

Nortman, WJ (Wilhelmus Johan)

Chess SA id

1110099325

FIDE id

Date of birth

2011-01-11 (U16)

Gender

Male

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-31

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1174.9

Item	Main	Standard	Rapid	Blitz
Rating	1386.8	1370.5	1272	1200
Raw rating	1386.4	1365.9	1272	1200
Weighted rating	1386.8	1370.5	1253.3	1200
Weighted performance	1210.7	1201.4	0	0
Floor	926.4	909.1	772	700
K-factor	32	32	36	36
Min/Max rating change allowed	127.1	130.9	149.6	165.8
Highest rating	1453.3 2018-03-01	1451.4 2018-03-01	1476.7 2024-11-01	1200 2018-10-01
Highest raw rating	1426.4 2024-11-01	1409.1 2024-08-01	1272 2024-11-01	1200 2024-02-01
Highest weighted rating	1380.4 2025-08-01	1365.1 2025-08-01	1246.8 2025-08-01	1200 2018-10-01
Highest weighted performance	1453.3 2018-03-01	1451.4 2018-03-01	1476.7 2024-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	2.5	2	0	0
New rating	1389.3	1372.5	1272	1200
Analysis
Rating	1386.8	1370.5	1272	1200
Raw rating	1386.4	1365.9	1272	1200
Weighted rating	1386.8	1370.5	1253.3
Weighted performance	1210.7	1201.4	0
K-factor	32	32	36	36
Floor	926.4	909.1	772	700
Max/Min rating change allowed	127.1	130.9	149.6	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	1386.4	1365.9	1272	1200
New weighted rating	1389.3	1372.5	1256.2	1200
New weighted performance	1210.2	1201	0	0
Temp new rating	1389.3	1372.5	1272	1200
Temp new rating +/-	2.5	2	0	0
Final new rating +/-	2.5	2	0	0
New rating	1389.3	1372.5	1272	1200
New K-factor	32	32	36	36
New floor	926.4	909.1	772	700

Item	Main	Standard	Rapid
	0	0	0
	9	9	0
	31	25	6
	19	19	0
	14	14	0
	0	0	0
History	201	195	6

Games since
	Main 40	Standard 34		Rapid 6		Blitz 0
Gender	Male
Age group	U16
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	2313		149		123
Male	1889		126		103
U16	354		19		18
U16 Male	273		17		16
Standard
	RSA		Province		Region
Overall	2370		173		132
Male	1925		150		113
U16	374		21		18
U16 Male	291		20		17
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	9	3	33.33	-141.7	1406.8	1265.1
Standard	9	3	33.33	-141.7	1406.8	1265.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	201	118.5	58.96	76.1	1222.9	1299
Standard	195	113.5	58.21	69.7	1223.6	1293.3
Rapid	6	5	83.33	283.3	1200	1483.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1386.4	1365.9	1272	1200
2025-09-01	1386.4	1365.9	1272	1200
2025-08-01	1386.4	1365.9	1272	1200
2025-07-01	1386.4	1365.9	1272	1200
2025-06-01	1399.5	1378.8	1272	1200
2025-05-01	1399.5	1378.8	1272	1200
2025-04-01	1399.5	1378.8	1272	1200
2025-03-01	1426.4	1409.1	1272	1200
2025-02-01	1426.4	1409.1	1272	1200
2025-01-01	1426.4	1409.1	1272	1200
2024-12-01	1426.4	1409.1	1272	1200
2024-11-01	1426.4	1409.1	1272	1200
2024-10-01	1416.8	1409.1	1200	1200
2024-09-01	1416.8	1409.1	1200	1200
2024-08-01	1416.8	1409.1	1200	1200
2024-07-01	1341.4	1339.4	1200	1200
2024-06-01	1341.4	1339.4	1200	1200
2024-08-01	1280.6	1278.3	1200	1200
2024-04-01	1231.6	1218.5	1200	1200
2024-03-01	1240.6	1227.5	1200	1200
2024-02-01	1240.6	1227.5	1200	1200
2024-01-01	1240.6	1227.5	1200	1200
2023-12-01	1240.6	1227.5	1200	1200
2023-11-01	1240.6	1227.5	1200	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 Pre-Exam 2025 (Rooks)	2025-05-31	2025-05-31	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
2	Bojanala's Pre-Exam 2025 (Knights)	2025-05-31	2025-05-31	Standard	Bojanala Platina (NBR)	5	0	0	No	Analysis
3	Bojanala Circuit Championships 1 of 4 2025 (U16)	2025-03-01	2025-03-01	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Bojanala's Pre-Exam 2025 (Rooks)	2025-05-31	2025-05-31	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
2	Bojanala's Pre-Exam 2025 (Knights)	2025-05-31	2025-05-31	Standard	Bojanala Platina (NBR)	5	0	0	No	Analysis
3	Bojanala Circuit Championships 1 of 4 2025 (U16)	2025-03-01	2025-03-01	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
4	SACSSA Nationals 2024 (U13 Boys)	2024-10-19	2024-10-19	Rapid	Ekurhuleni (GE)	6	6	5	Yes	Analysis
5	Bojanala's Clash Of Schools 2024 (U13)	2024-07-20	2024-07-20	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
6	Hamakom's Pioneers Of The Board 2024 (Bishops)	2024-07-13	2024-07-13	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
7	Schoemies' Kwaggarus Chess Getaway 2024 (Senior)	2024-05-18	2024-05-18	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
8	Bojanala Olienpark's One For The Ages 2024 (Bishops)	2024-04-20	2024-04-20	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
9	Bojanala Silwerrand's Rating Implosion 2024 (Bishops)	2024-03-16	2024-03-16	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
10	Olienpark - 2nd One for the Ages 2023 (U14)	2023-05-13	2023-05-13	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
11	Schoemies Kings & Queens 2023 (Rooks)	2023-03-18	2023-03-18	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
12	One For The Ages 2023 (U14)	2023-02-18	2023-02-18	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
13	Harties Wolf Pack 2023 (Rooks)	2023-01-21	2023-01-21	Standard	Bojanala Platina (NBR)	5	4	1.5	Yes	Analysis
14	Bojanala Chess Federation Clash of Schools 2022 (PS Championship)	2022-07-22	2022-07-22	Standard	Bojanala Platina (NBR)	5	4	3	Yes	Analysis
15	One For The Ages 2022 (U12)	2022-07-16	2022-07-16	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
16	Lebone II 2022 (C)	2022-02-12	2022-02-12	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
17	Hoerskool Brits Toernooi 2020 (U10)	2020-03-14	2020-03-14	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
18	Laerskool Proteapark 2020 (B)	2020-02-29	2020-02-29	Standard	Bojanala Platina (NBR)	5	5	1	Yes	Analysis
19	Lebone II 2020 (U10)	2020-02-15	2020-02-15	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
20	2019 South African Junior Team Championships (U10A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
21	Inter Region 2019 (U10 Open)	2019-10-19	2019-10-19	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
22	Lebone II 2019 (U10)	2019-09-14	2019-09-14	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
23	Laerskool Brits 2019 (U10)	2019-08-31	2019-08-31	Standard	Bojanala Platina (NBR)	5	5	5	Yes	Analysis
24	Laerskool Rustenburg 2019 (U10)	2019-08-17	2019-08-17	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
25	Grenville 2019 (U10)	2019-06-08	2019-06-08	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
26	Laerskool Olienpark 2019 (U10)	2019-04-06	2019-04-06	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
27	Hoerskool Rustenburg Skaak 2019 (U10)	2019-04-13	2019-04-13	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis
28	2019 South African Junior Closed Chess Championship (U8 Open)	2019-03-17	2019-03-22	Standard	Chess South Africa (CSA)	9	9	4	Yes	Analysis
29	Rustenburg Noord Primary Tournament 2019 (U10)	2019-02-09	2019-02-09	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
30	Laerskool Vastrap Tournament 2019 (D)	2019-02-23	2019-02-23	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
31	Hoerskool Brits Tournament 2019 (U12)	2019-02-09	2019-02-09	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
32	2018 Tshwane Inter Region (U8C)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	6	5	4	Yes	Analysis
33	South African Junior Team Championships 2018 (U8B+U8 Girls)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	5	Yes	Analysis
34	Lebone II Chess 2018 (U8)	2018-09-01	2018-09-01	Standard	Cape Town (WCT)	5	5	3	Yes	Analysis
35	Bojanala Regionals 2018 (U8)	2018-09-15	2018-09-15	Standard	Bojanala Platina (NBR)	5	5	3.5	Yes	Analysis
36	Boys and Girls 2018 (U8 Boys)	2018-08-25	2018-08-25	Standard	Dr Kenneth Kaunda (NWP)	5	5	3	Yes	Analysis
37	Laerskool Brits Tournament 2018 (U8)	2018-08-04	2018-08-04	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
38	Laerskool Proteapark Chess 2018 (E)	2018-05-19	2018-05-19	Standard	Bojanala Platina (NBR)	5	5	2	Yes	Analysis
39	Laerskool Olienpark 2018 (U8)	2018-04-21	2018-04-21	Standard	Bojanala Platina (NBR)	5	5	2.5	Yes	Analysis
40	Hoerskool Brits 2018 (U8)	2018-03-17	2018-03-17	Standard	Bojanala Platina (NBR)	5	5	4	Yes	Analysis

#	Games	Start				End
1	8	Tournament Laerskool Rustenburg 2019				Tournament Lebone II 2019
		date 2019-08-17	rnd 4	type Standard	result 1	date 2019-09-14	rnd 1	type Standard	result 1
		Opponent Schwim, R (Rinus)				Opponent Masilela, K (Kholwa-Ku-Zimu)
2	8	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Van Der Berg, KW (Kai)				Opponent Roos, J (Justin)
3	6	Tournament Bojanala Olienpark's One For The Ages 2024				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2024-04-20	rnd 3	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent De Kock, D (De-Han)				Opponent De Kock, D (De-Han)

#	Games	Start				End
1	8	Tournament Laerskool Rustenburg 2019				Tournament Lebone II 2019
		date 2019-08-17	rnd 4	type Standard	result 1	date 2019-09-14	rnd 1	type Standard	result 1
		Opponent Schwim, R (Rinus)				Opponent Masilela, K (Kholwa-Ku-Zimu)
2	8	Tournament Hoerskool Brits 2018				Tournament Laerskool Olienpark 2018
		date 2018-03-17	rnd 1	type Standard	result 1	date 2018-04-21	rnd 3	type Standard	result 1
		Opponent Van Der Berg, KW (Kai)				Opponent Roos, J (Justin)
3	6	Tournament Bojanala Olienpark's One For The Ages 2024				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2024-04-20	rnd 3	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent De Kock, D (De-Han)				Opponent De Kock, D (De-Han)

#	Games	Start				End
1	3	Tournament SACSSA Nationals 2024				Tournament SACSSA Nationals 2024
		date 2024-10-19	rnd 1	type Rapid	result 1	date 2024-10-19	rnd 3	type Rapid	result 1
		Opponent Pillay, J (Jeremiah)				Opponent Timol, S (Shaiyur)
2	2	Tournament SACSSA Nationals 2024				Tournament SACSSA Nationals 2024
		date 2024-10-19	rnd 5	type Rapid	result 1	date 2024-10-19	rnd 6	type Rapid	result 1
		Opponent De Xiang, T (Tim Sun)				Opponent Oni, D (Derrick)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Laerskool Rustenburg 2019				Tournament Lebone II 2019
		date 2019-08-17	rnd 4	type Standard	result 1	date 2019-09-14	rnd 1	type Standard	result 1
		Opponent Schwim, R (Rinus)				Opponent Masilela, K (Kholwa-Ku-Zimu)
2	6	Tournament Bojanala Olienpark's One For The Ages 2024				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2024-04-20	rnd 3	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent De Kock, D (De-Han)				Opponent De Kock, D (De-Han)
3	6	Tournament Laerskool Olienpark 2019				Tournament Hoerskool Rustenburg Skaak 2019
		date 2019-04-06	rnd 2	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Matshaba, P (Pako)				Opponent Mostert, PJ (Pieter)

#	Games	Start				End
1	8	Tournament Laerskool Rustenburg 2019				Tournament Lebone II 2019
		date 2019-08-17	rnd 4	type Standard	result 1	date 2019-09-14	rnd 1	type Standard	result 1
		Opponent Schwim, R (Rinus)				Opponent Masilela, K (Kholwa-Ku-Zimu)
2	6	Tournament Bojanala Olienpark's One For The Ages 2024				Tournament Schoemies' Kwaggarus Chess Getaway 2024
		date 2024-04-20	rnd 3	type Standard	result 1	date 2024-05-18	rnd 3	type Standard	result 1
		Opponent De Kock, D (De-Han)				Opponent De Kock, D (De-Han)
3	6	Tournament Laerskool Olienpark 2019				Tournament Hoerskool Rustenburg Skaak 2019
		date 2019-04-06	rnd 2	type Standard	result 1	date 2019-04-13	rnd 2	type Standard	result 1
		Opponent Matshaba, P (Pako)				Opponent Mostert, PJ (Pieter)

#	Games	Start				End
1	3	Tournament SACSSA Nationals 2024				Tournament SACSSA Nationals 2024
		date 2024-10-19	rnd 1	type Rapid	result 1	date 2024-10-19	rnd 3	type Rapid	result 1
		Opponent Pillay, J (Jeremiah)				Opponent Timol, S (Shaiyur)
2	2	Tournament SACSSA Nationals 2024				Tournament SACSSA Nationals 2024
		date 2024-10-19	rnd 5	type Rapid	result 1	date 2024-10-19	rnd 6	type Rapid	result 1
		Opponent De Xiang, T (Tim Sun)				Opponent Oni, D (Derrick)

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	Roos ,J (Justin)	11	4	-115.9	11	4	-115.9	0	0	0	0	0	0
1	Roos ,J (Justin)	11	1298	1182	11	1287.1	1182	0	0	0	0	0	0
2	Britz ,JD (Jakobus Dirk)	7	4.5	121.4	7	4.5	121.4	0	0	0	0	0	0
2	Britz ,JD (Jakobus Dirk)	7	1297.7	1419.1	7	1296.4	1419.1	0	0	0	0	0	0
3	Van Der Berg ,KW (Kai Willem)	5	2.5	0	5	2.5	0	0	0	0	0	0	0
3	Van Der Berg ,KW (Kai Willem)	5	1280.6	1280.6	5	1290.5	1280.6	0	0	0	0	0	0
4	Grobler ,R (Rowan)	4	2	0	4	2	0	0	0	0	0	0	0
4	Grobler ,R (Rowan)	4	1421.2	1421.2	4	1423.9	1421.2	0	0	0	0	0	0
5	Mostert ,PJ (Pieter)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
5	Mostert ,PJ (Pieter)	4	1217.2	1004.7	4	1210.3	1004.7	0	0	0	0	0	0
6	Bester ,D (Daniel)	4	0	-425	4	0	-425	0	0	0	0	0	0
6	Bester ,D (Daniel)	4	1364.8	939.8	4	1370.1	939.8	0	0	0	0	0	0
7	Janse Van Vuuren ,M (Mari)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
7	Janse Van Vuuren ,M (Mari)	3	1120.6	1404	3	1121.6	1404	0	0	0	0	0	0
8	Bantseke ,B (Boikanyo)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
8	Bantseke ,B (Boikanyo)	3	1005.5	1147.2	3	966.4	1147.2	0	0	0	0	0	0
9	De Kock ,D (De-Han)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
9	De Kock ,D (De-Han)	3	1235.1	1518.4	3	1238.3	1518.4	0	0	0	0	0	0
10	Schwim ,R (Rinus)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
10	Schwim ,R (Rinus)	3	1146.3	1288	3	1135.4	1288	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Nortman, WJ (Wilhelmus Johan)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms