Chess South Africa Ratings Database

PLAYER PAGE

Personal

De Koker, N (Nicolene)

Chess SA id

205057374

FIDE id

Date of birth

2005-02-16 (Adult)

Gender

Female

Region

Ehlanzeni (MEN)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-05-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1123.9	1117.5	500	500
Raw rating	1123.9	1117.5	500	500
Weighted rating	1123.9	1117.5	500	500
Weighted performance	584	584.4	0	0
Floor	658.2	655.5	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	184.8	186.5	449.5	449.5
Highest rating	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1158.2 2022-03-01	1155.5 2020-03-01	500 2024-02-01	500 2024-02-01
Highest weighted rating	1158.2 2024-11-01	1155.5 2024-11-01	500 2024-11-01	500 2024-11-01
Highest weighted performance	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1123.9	1117.5	500	500
Analysis
Rating	1123.9	1117.5	500	500
Raw rating	1123.9	1117.5	500	500
Weighted rating	1123.9	1117.5	500
Weighted performance	584	584.4	0
K-factor	40	40	40	40
Floor	658.2	655.5	500	500
Max/Min rating change allowed	184.8	186.5	449.5	449.5
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	1123.9	1117.5	500	500
New weighted rating	1123.9	1117.5	500	500
New weighted performance	577.6	578	0	0
Temp new rating	1123.9	1117.5	500	500
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1123.9	1117.5	500	500
New K-factor	40	40	40	40
New floor	658.2	655.5	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	14	14
	5	5
History	89	89

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Ehlanzeni (MEN)
Province	Mpumalanga (MP)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
Adult	-1		-1		-1
Adult Female	-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	79	36.5	46.2	-32.3	1115.3	1083
Standard	79	36.5	46.2	-32.3	1115.3	1083
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1123.9	1117.5	500	500
2025-09-30	1123.9	1117.5	500	500
2025-09-01	1123.9	1117.5	500	500
2025-08-01	1123.9	1117.5	500	500
2025-07-01	1123.9	1117.5	500	500
2025-06-01	1123.9	1117.5	500	500
2025-05-01	1123.9	1117.5	500	500
2025-04-01	1123.9	1117.5	500	500
2025-03-01	1123.9	1117.5	500	500
2025-02-01	1123.9	1117.5	500	500
2025-01-01	1123.9	1117.5	500	500
2024-12-01	1123.9	1117.5	500	500
2024-11-01	1123.9	1117.5	500	500
2024-10-01	1123.9	1117.5	500	500
2024-09-01	1123.9	1117.5	500	500
2024-08-01	1123.9	1117.5	500	500
2024-07-01	1123.9	1117.5	500	500
2024-09-01	1123.9	1117.5	500	500
2024-05-01	1123.9	1117.5	500	500
2024-04-01	1123.9	1117.5	500	500
2024-03-01	1123.9	1117.5	500	500
2024-02-01	1123.9	1117.5	500	500
2024-01-01	1123.9	1117.5	500	500
2023-12-01	1123.9	1117.5	500	500

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	Rob Ferreira Chess Tournament 2022 (U20)	2022-05-07	2022-05-07	Standard	Ehlanzeni (MEN)	5	4	1	Yes	Analysis
2	Lydenburg Chess Club 2022 (U20)	2022-04-09	2022-04-09	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
3	Uplands Chess Tournament 2022 (U18)	2022-02-26	2022-02-26	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
4	Chess Unlimited 1 2021 (U18)	2021-10-23	2021-10-23	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
5	Bergvlam Tournament 2020 (U20)	2020-03-14	2020-03-14	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
6	Chess Unlimited Leap Year Tournament 2020 (A)	2020-02-29	2020-02-29	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
7	Uplands 2020 (U16)	2020-01-25	2020-01-25	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
8	2019 South African Junior Team Championships (U16-U20 Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	2	Yes	Analysis
9	Ehlanzeni Open 2019 (D)	2019-07-20	2019-07-20	Standard	Ehlanzeni (MEN)	5	5	5	Yes	Analysis
10	De Goede Top 10 2019 (Senior Girls)	2019-07-03	2019-07-03	Standard	Ehlanzeni (MEN)	5	5	2	Yes	Analysis
11	Rob Ferreira 2019 (C)	2019-04-06	2019-04-06	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
12	Curro Open 2019 (U16)	2019-04-12	2019-04-12	Standard	Ehlanzeni (MEN)	5	4	1	Yes	Analysis
13	Uplands Open Age 2019 (U16)	2019-03-09	2019-03-09	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis
14	Chess Unlimited Open 2019 (D)	2019-03-02	2019-03-02	Standard	Ehlanzeni (MEN)	5	4	2	Yes	Analysis
15	Penryn Age Open 2019 (U16)	2019-02-09	2019-02-09	Standard	Ehlanzeni (MEN)	5	5	0.5	Yes	Analysis
16	Chess Unlimited Open 2019 (D)	2019-01-26	2019-01-26	Standard	Ehlanzeni (MEN)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Ehlanzeni Open 2019				Tournament Ehlanzeni Open 2019
		date 2019-07-20	rnd 1	type Standard	result 1	date 2019-07-20	rnd 5	type Standard	result 1
		Opponent Sankar, R (Rahil)				Opponent Marais, L (Lanelle)
2	4	Tournament Uplands Open Age 2019				Tournament Rob Ferreira 2019
		date 2019-03-09	rnd 4	type Standard	result 1	date 2019-04-06	rnd 2	type Standard	result 1
		Opponent Miquidade, Y (Yussura)				Opponent De Coning, J (Juan)
3	3	Tournament Chess Unlimited Open 2019				Tournament Penryn Age Open 2019
		date 2019-01-26	rnd 4	type Standard	result 1	date 2019-02-09	rnd 1	type Standard	result 0.5
		Opponent Van Der Merwe, J (Johannes)				Opponent Thumbathi, S (Surprise)

#	Games	Start				End
1	5	Tournament Ehlanzeni Open 2019				Tournament Ehlanzeni Open 2019
		date 2019-07-20	rnd 1	type Standard	result 1	date 2019-07-20	rnd 5	type Standard	result 1
		Opponent Sankar, R (Rahil)				Opponent Marais, L (Lanelle)
2	4	Tournament Uplands Open Age 2019				Tournament Rob Ferreira 2019
		date 2019-03-09	rnd 4	type Standard	result 1	date 2019-04-06	rnd 2	type Standard	result 1
		Opponent Miquidade, Y (Yussura)				Opponent De Coning, J (Juan)
3	3	Tournament Chess Unlimited Open 2019				Tournament Penryn Age Open 2019
		date 2019-01-26	rnd 4	type Standard	result 1	date 2019-02-09	rnd 1	type Standard	result 0.5
		Opponent Van Der Merwe, J (Johannes)				Opponent Thumbathi, S (Surprise)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Ehlanzeni Open 2019				Tournament Ehlanzeni Open 2019
		date 2019-07-20	rnd 1	type Standard	result 1	date 2019-07-20	rnd 5	type Standard	result 1
		Opponent Sankar, R (Rahil)				Opponent Marais, L (Lanelle)
2	4	Tournament Uplands Open Age 2019				Tournament Rob Ferreira 2019
		date 2019-03-09	rnd 4	type Standard	result 1	date 2019-04-06	rnd 2	type Standard	result 1
		Opponent Miquidade, Y (Yussura)				Opponent De Coning, J (Juan)
3	2	Tournament Uplands Chess Tournament 2022				Tournament Lydenburg Chess Club 2022
		date 2022-02-26	rnd 5	type Standard	result 1	date 2022-04-09	rnd 1	type Standard	result 1
		Opponent Munyai, B (Blessing)				Opponent Abrahams, A (Aghaster)

#	Games	Start				End
1	5	Tournament Ehlanzeni Open 2019				Tournament Ehlanzeni Open 2019
		date 2019-07-20	rnd 1	type Standard	result 1	date 2019-07-20	rnd 5	type Standard	result 1
		Opponent Sankar, R (Rahil)				Opponent Marais, L (Lanelle)
2	4	Tournament Uplands Open Age 2019				Tournament Rob Ferreira 2019
		date 2019-03-09	rnd 4	type Standard	result 1	date 2019-04-06	rnd 2	type Standard	result 1
		Opponent Miquidade, Y (Yussura)				Opponent De Coning, J (Juan)
3	2	Tournament Uplands Chess Tournament 2022				Tournament Lydenburg Chess Club 2022
		date 2022-02-26	rnd 5	type Standard	result 1	date 2022-04-09	rnd 1	type Standard	result 1
		Opponent Munyai, B (Blessing)				Opponent Abrahams, A (Aghaster)

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	Mahlangu ,N (Ntsako)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Mahlangu ,N (Ntsako)	2	1075.6	650.6	2	1070.9	650.6	0	0	0	0	0	0
2	Van Der Merwe ,A (Anja)	2	1	0	2	1	0	0	0	0	0	0	0
2	Van Der Merwe ,A (Anja)	2	1118.6	1118.6	2	1117.5	1118.6	0	0	0	0	0	0
3	Smit ,L (Leanne)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Smit ,L (Leanne)	2	670.9	245.9	2	674.8	245.9	0	0	0	0	0	0
4	Mabunda ,M (Mizi)	2	1	0	2	1	0	0	0	0	0	0	0
4	Mabunda ,M (Mizi)	2	1179.7	1179.7	2	1173.6	1179.7	0	0	0	0	0	0
5	Gwangwa ,Q (Quraisha)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Gwangwa ,Q (Quraisha)	2	963	538	2	907.1	538	0	0	0	0	0	0
6	Nyambi ,M (Mbali)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Nyambi ,M (Mbali)	2	1004	579	2	1011	579	0	0	0	0	0	0
7	Mattheus ,D (Dylan)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Mattheus ,D (Dylan)	2	1234.3	809.3	2	1249.4	809.3	0	0	0	0	0	0
8	Manana ,K (Khanya)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Manana ,K (Khanya)	2	1233.8	808.8	2	1234.7	808.8	0	0	0	0	0	0
9	Miquidade ,Y (Yussura)	1	1	425	1	1	425	0	0	0	0	0	0
9	Miquidade ,Y (Yussura)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Herholdt ,M (Marja)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Herholdt ,M (Marja)	1	933.4	508.4	1	931.6	508.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

De Koker, N (Nicolene)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms