Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nel, B (Bertie)

Chess SA id

182027078

FIDE id

Date of birth

1982-06-18 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-06

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1246.8	1201.2	1300	1300
Raw rating	1246.8	1201.2	1300	1300
Weighted rating	1246.3	1201.2	1299	1299
Weighted performance	0	0	0	0
Floor	746.8	701.2	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	155.1	165.5	143.8	143.8
Highest rating	1246.8 2024-02-01	1242 2023-05-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1246.8 2024-02-01	1201.2 2024-02-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1245.2 2025-08-01	1201.2 2025-04-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1245.2 2023-05-01	1242 2023-05-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1246.8	1201.2	1300	1300
Analysis
Rating	1246.8	1201.2	1300	1300
Raw rating	1246.8	1201.2	1300	1300
Weighted rating	1246.3	1201.2	1299
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	746.8	701.2	800	800
Max/Min rating change allowed	155.1	165.5	143.8	143.8
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	1246.8	1201.2	1300	1300
New weighted rating	1246.7	1201.2	1299.7	1299.7
New weighted performance	0	0	0	0
Temp new rating	1246.8	1201.2	1300	1300
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1246.8	1201.2	1300	1300
New K-factor	36	36	36	36
New floor	746.8	701.2	800	800

Item	Main	Standard
	0	0
	0	0
	0	0
	12	12
	0	0
	0	0
History	12	12

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Sedibeng (GSV)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	4.5	37.5	-106.2	1278.6	1172.4
Standard	12	4.5	37.5	-106.2	1278.6	1172.4
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1246.8	1201.2	1300	1300
2025-09-01	1246.8	1201.2	1300	1300
2025-08-01	1246.8	1201.2	1300	1300
2025-07-01	1246.8	1201.2	1300	1300
2025-06-01	1246.8	1201.2	1300	1300
2025-05-01	1246.8	1201.2	1300	1300
2025-04-01	1246.8	1201.2	1300	1300
2025-03-01	1246.8	1201.2	1300	1300
2025-02-01	1246.8	1201.2	1300	1300
2025-01-01	1246.8	1201.2	1300	1300
2024-12-01	1246.8	1201.2	1300	1300
2024-11-01	1246.8	1201.2	1300	1300
2024-10-01	1246.8	1201.2	1300	1300
2024-09-01	1246.8	1201.2	1300	1300
2024-08-01	1246.8	1201.2	1300	1300
2024-07-01	1246.8	1201.2	1300	1300
2024-06-01	1246.8	1201.2	1300	1300
2024-08-01	1246.8	1201.2	1300	1300
2024-04-01	1246.8	1201.2	1300	1300
2024-03-01	1246.8	1201.2	1300	1300
2024-02-01	1246.8	1201.2	1300	1300
2024-01-01	1246.8	1201.2	1300	1300
2023-12-01	1199.3	1201.2	1200	1200
2023-11-01	1199.3	1201.2	1200	1200

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	Valia's Chess Tournament 2023 (A)	2023-05-06	2023-05-06	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
2	Ekurhuleni Springs Open 4 March 2023 (B)	2023-03-04	2023-03-04	Standard	Ekurhuleni (GE)	5	3	2	Yes	Analysis
3	Laerkool Midvaal Chess Open 2023 (A)	2023-01-28	2023-01-28	Standard	Sedibeng (GSV)	5	4	0	Yes	Analysis

#	Games	Start				End
1	3	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 1	type Standard	result 1	date 2023-03-04	rnd 3	type Standard	result 0.5
		Opponent Mariah, D (Dineshan)				Opponent Wallace, A (Aiden)
2	2	Tournament Valia's Chess Tournament 2023				Tournament Valia's Chess Tournament 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-05-06	rnd 5	type Standard	result 0.5
		Opponent Bila, E (Emmanuel)				Opponent Sibisi, M (Mxolisi)
3	1	Tournament Valia's Chess Tournament 2023				Tournament Valia's Chess Tournament 2023
		date 2023-05-06	rnd 2	type Standard	result 1	date 2023-05-06	rnd 2	type Standard	result 1
		Opponent Mekgwe, H (Hope)				Opponent Mekgwe, H (Hope)

#	Games	Start				End
1	3	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 1	type Standard	result 1	date 2023-03-04	rnd 3	type Standard	result 0.5
		Opponent Mariah, D (Dineshan)				Opponent Wallace, A (Aiden)
2	2	Tournament Valia's Chess Tournament 2023				Tournament Valia's Chess Tournament 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-05-06	rnd 5	type Standard	result 0.5
		Opponent Bila, E (Emmanuel)				Opponent Sibisi, M (Mxolisi)
3	1	Tournament Valia's Chess Tournament 2023				Tournament Valia's Chess Tournament 2023
		date 2023-05-06	rnd 2	type Standard	result 1	date 2023-05-06	rnd 2	type Standard	result 1
		Opponent Mekgwe, H (Hope)				Opponent Mekgwe, H (Hope)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Valia's Chess Tournament 2023				Tournament Valia's Chess Tournament 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-05-06	rnd 4	type Standard	result 1
		Opponent Bila, E (Emmanuel)				Opponent Bila, E (Emmanuel)
2	1	Tournament Valia's Chess Tournament 2023				Tournament Valia's Chess Tournament 2023
		date 2023-05-06	rnd 2	type Standard	result 1	date 2023-05-06	rnd 2	type Standard	result 1
		Opponent Mekgwe, H (Hope)				Opponent Mekgwe, H (Hope)
3	1	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 1	type Standard	result 1	date 2023-03-04	rnd 1	type Standard	result 1
		Opponent Mariah, D (Dineshan)				Opponent Mariah, D (Dineshan)

#	Games	Start				End
1	1	Tournament Valia's Chess Tournament 2023				Tournament Valia's Chess Tournament 2023
		date 2023-05-06	rnd 4	type Standard	result 1	date 2023-05-06	rnd 4	type Standard	result 1
		Opponent Bila, E (Emmanuel)				Opponent Bila, E (Emmanuel)
2	1	Tournament Valia's Chess Tournament 2023				Tournament Valia's Chess Tournament 2023
		date 2023-05-06	rnd 2	type Standard	result 1	date 2023-05-06	rnd 2	type Standard	result 1
		Opponent Mekgwe, H (Hope)				Opponent Mekgwe, H (Hope)
3	1	Tournament Ekurhuleni Springs Open 4 March 2023				Tournament Ekurhuleni Springs Open 4 March 2023
		date 2023-03-04	rnd 1	type Standard	result 1	date 2023-03-04	rnd 1	type Standard	result 1
		Opponent Mariah, D (Dineshan)				Opponent Mariah, D (Dineshan)

No games found.

#	Games	Start				End

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 ,HS (Hendrik Stefanus)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Pretorius ,HS (Hendrik Stefanus)	1	1354.4	929.4	1	1341.5	929.4	0	0	0	0	0	0
2	Oberholzer ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Oberholzer ,E (Ethan)	1	1247.6	822.6	1	1233.3	822.6	0	0	0	0	0	0
3	Paulse ,PP (Peter Paul)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Paulse ,PP (Peter Paul)	1	1231.4	806.4	1	1232	806.4	0	0	0	0	0	0
4	Sibisi ,M (Mxolisi)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Sibisi ,M (Mxolisi)	1	1182.1	1182.1	1	1178.4	1182.1	0	0	0	0	0	0
5	Mariah ,D (Dineshan)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mariah ,D (Dineshan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Khumalo ,N (Nkosinathi)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	Khumalo ,N (Nkosinathi)	1	1191.7	1191.7	1	1187.6	1191.7	0	0	0	0	0	0
7	Tankiso ,J (Julius)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Tankiso ,J (Julius)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Wallace ,A (Aiden)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
8	Wallace ,A (Aiden)	1	1235.8	1235.8	1	1227.8	1235.8	0	0	0	0	0	0
9	Nthute ,S (Sepato)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nthute ,S (Sepato)	1	1566.5	1141.5	1	1569.2	1141.5	0	0	0	0	0	0
10	Minnaar ,JP (Jaun Pierre)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Minnaar ,JP (Jaun Pierre)	1	1610.9	1185.9	1	1609	1185.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Nel, B (Bertie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms