Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nel, J (Jaap)

Chess SA id

1100192750

FIDE id

Date of birth

2010-10-11 (U16)

Gender

Male

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1179.9	1199.9	1171.3	1200
Raw rating	1179.9	1199.4	1171.3	1200
Weighted rating	1179.6	1199.9	1168.6	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	170.6	166	172.7	165.8
Highest rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted rating	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01	1200 2024-02-01
Highest weighted performance	1200 2024-12-01	1200 2024-02-01	1200 2024-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	-0	0	0
New rating	1179.9	1199.8	1171.3	1200
Analysis
Rating	1179.9	1199.9	1171.3	1200
Raw rating	1179.9	1199.4	1171.3	1200
Weighted rating	1179.6	1199.9	1168.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	170.6	166	172.7	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	1179.9	1199.4	1171.3	1200
New weighted rating	1179.5	1199.8	1168.6	1200
New weighted performance	0	0	0	0
Temp new rating	1179.9	1199.8	1171.3	1200
Temp new rating +/-	0	-0	0	0
Final new rating +/-	0	-0	0	0
New rating	1179.9	1199.8	1171.3	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	4	4	0
	6	0	6
	0	0	0
	0	0	0
	0	0	0
History	10	4	6

Games since
	Main 10	Standard 4		Rapid 6		Blitz 0
Gender	Male
Age group	U16
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
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	4	1.5	37.5	-106.2	1258.8	1152.6
Standard	4	1.5	37.5	-106.2	1258.8	1152.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	3.5	35	-127.5	1229.6	1102.1
Standard	4	1.5	37.5	-106.2	1258.8	1152.6
Rapid	6	2	33.33	-141.7	1210.1	1068.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1179.9	1199.4	1171.3	1200
2025-09-01	1179.9	1199.4	1171.3	1200
2025-08-01	1179.9	1199.4	1171.3	1200
2025-07-01	1181.8	1200	1171.3	1200
2025-06-01	1181.8	1200	1171.3	1200
2025-05-01	1181.8	1200	1171.3	1200
2025-04-01	1181.8	1200	1171.3	1200
2025-03-01	1181.8	1200	1171.3	1200
2025-02-01	1181.8	1200	1171.3	1200
2025-01-01	1175.4	1200	1161.2	1200
2024-12-01	1175.4	1200	1161.2	1200
2024-11-01	1175.4	1200	1161.2	1200
2024-10-01	1175.4	1200	1161.2	1200
2024-09-01	1175.4	1200	1161.2	1200
2024-08-01	1175.4	1200	1161.2	1200
2024-07-01	1175.4	1200	1161.2	1200
2024-06-01	1175.4	1200	1161.2	1200
2024-08-01	1175.4	1200	1161.2	1200
2024-04-01	1175.4	1200	1161.2	1200
2024-03-01	1175.4	1200	1161.2	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Cape Winelands Open 2025 (Intermediate)	2025-07-19	2025-07-20	Standard	Cape Winelands (WCW)	6	4	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Cape Winelands Open 2025 (Intermediate)	2025-07-19	2025-07-20	Standard	Cape Winelands (WCW)	6	4	1.5	Yes	Analysis
2	Cape Winelands Schools - HS Trials 1 2024 (U15 Boys)	2024-02-17	2024-02-17	Rapid	Cape Winelands (WCW)	6	6	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Open 2025
		date 2024-02-17	rnd 6	type Rapid	result 1	date 2025-07-19	rnd 1	type Standard	result 0.5
		Opponent Hanekom, L (Lourens)				Opponent Calitz, J (Joey)
2	1	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-07-19	rnd 4	type Standard	result 1
		Opponent Alkaster, K (Keehourn)				Opponent Alkaster, K (Keehourn)
3	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 3	type Rapid	result 1
		Opponent De Kock, S (Schalk Floris)				Opponent De Kock, S (Schalk Floris)

#	Games	Start				End
1	1	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-07-19	rnd 4	type Standard	result 1
		Opponent Alkaster, K (Keehourn)				Opponent Alkaster, K (Keehourn)
2	1	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 1	type Standard	result 0.5	date 2025-07-19	rnd 1	type Standard	result 0.5
		Opponent Calitz, J (Joey)				Opponent Calitz, J (Joey)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 6	type Rapid	result 1	date 2024-02-17	rnd 6	type Rapid	result 1
		Opponent Hanekom, L (Lourens)				Opponent Hanekom, L (Lourens)
2	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 3	type Rapid	result 1
		Opponent De Kock, S (Schalk Floris)				Opponent De Kock, S (Schalk Floris)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-07-19	rnd 4	type Standard	result 1
		Opponent Alkaster, K (Keehourn)				Opponent Alkaster, K (Keehourn)
2	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 6	type Rapid	result 1	date 2024-02-17	rnd 6	type Rapid	result 1
		Opponent Hanekom, L (Lourens)				Opponent Hanekom, L (Lourens)
3	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 3	type Rapid	result 1
		Opponent De Kock, S (Schalk Floris)				Opponent De Kock, S (Schalk Floris)

#	Games	Start				End
1	1	Tournament Cape Winelands Open 2025				Tournament Cape Winelands Open 2025
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-07-19	rnd 4	type Standard	result 1
		Opponent Alkaster, K (Keehourn)				Opponent Alkaster, K (Keehourn)

#	Games	Start				End
1	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 6	type Rapid	result 1	date 2024-02-17	rnd 6	type Rapid	result 1
		Opponent Hanekom, L (Lourens)				Opponent Hanekom, L (Lourens)
2	1	Tournament Cape Winelands Schools - HS Trials 1 2024				Tournament Cape Winelands Schools - HS Trials 1 2024
		date 2024-02-17	rnd 3	type Rapid	result 1	date 2024-02-17	rnd 3	type Rapid	result 1
		Opponent De Kock, S (Schalk Floris)				Opponent De Kock, S (Schalk Floris)

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	Prins ,S (Stefan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Prins ,S (Stefan)	2	1319.9	894.9	1	1320.8	894.9	1	1258.5	894.9	0	0	0
2	Alkaster ,K (Keehourn)	1	1	425	1	1	425	0	0	0	0	0	0
2	Alkaster ,K (Keehourn)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Magwaza ,G (Gilmore)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Magwaza ,G (Gilmore)	1	1197.3	772.3	1	1196.6	772.3	0	0	0	0	0	0
4	Calitz ,J (Joey)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
4	Calitz ,J (Joey)	1	1334.1	1334.1	1	1324.8	1334.1	0	0	0	0	0	0
5	Hugo ,E (Emil)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Hugo ,E (Emil)	1	1113.6	688.6	0	0	0	1	1157.2	688.6	0	0	0
6	Koopman ,J (Jayden)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Koopman ,J (Jayden)	1	1210.5	785.5	0	0	0	1	1210.3	785.5	0	0	0
7	De Kock ,S (Schalk Floris)	1	1	425	0	0	0	1	1	425	0	0	0
7	De Kock ,S (Schalk Floris)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
8	Engelbrecht ,E (Ernst)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Engelbrecht ,E (Ernst)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Hanekom ,L (Lourens)	1	1	425	0	0	0	1	1	425	0	0	0
9	Hanekom ,L (Lourens)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Nel, J (Jaap)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms