Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nana, A (Aboay-Debrah)

Chess SA id

2090132781

FIDE id

Date of birth

2009-04-06 (U18)

Gender

Female

Region

Bojanala Platina (NBR)

Citizen

RSA

Titles

Chess SA registered

Last active game

2022-07-22

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1148.9	1147.2	1200	1200
Raw rating	1148.9	1147.2	1200	1200
Weighted rating	1148.9	1147.2	1200	1200
Weighted performance	625	623.8	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	178.3	178.8	165.8	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1148.9	1147.2	1200	1200
Analysis
Rating	1148.9	1147.2	1200	1200
Raw rating	1148.9	1147.2	1200	1200
Weighted rating	1148.9	1147.2	1200
Weighted performance	625	623.8	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	178.3	178.8	165.8	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	1148.9	1147.2	1200	1200
New weighted rating	1148.9	1147.2	1200	1200
New weighted performance	618.3	617.1	0	0
Temp new rating	1148.9	1147.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1148.9	1147.2	1200	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	10	10
	8	8
History	23	23

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Bojanala Platina (NBR)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 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	23	8.5	36.96	-110.9	1184.7	1073.9
Standard	23	8.5	36.96	-110.9	1184.7	1073.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1148.9	1147.2	1200	1200
2025-09-30	1148.9	1147.2	1200	1200
2025-09-01	1148.9	1147.2	1200	1200
2025-08-01	1148.9	1147.2	1200	1200
2025-07-01	1148.9	1147.2	1200	1200
2025-06-01	1148.9	1147.2	1200	1200
2025-05-01	1148.9	1147.2	1200	1200
2025-04-01	1148.9	1147.2	1200	1200
2025-03-01	1148.9	1147.2	1200	1200
2025-02-01	1148.9	1147.2	1200	1200
2025-01-01	1148.9	1147.2	1200	1200
2024-12-01	1148.9	1147.2	1200	1200
2024-11-01	1148.9	1147.2	1200	1200
2024-10-01	1148.9	1147.2	1200	1200
2024-09-01	1148.9	1147.2	1200	1200
2024-08-01	1148.9	1147.2	1200	1200
2024-07-01	1148.9	1147.2	1200	1200
2024-09-01	1148.9	1147.2	1200	1200
2024-05-01	1148.9	1147.2	1200	1200
2024-04-01	1148.9	1147.2	1200	1200
2024-03-01	1148.9	1147.2	1200	1200
2024-02-01	1148.9	1147.2	1200	1200
2024-01-01	1148.9	1147.2	1200	1200
2023-12-01	1148.9	1147.2	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	Bojanala Chess Federation Clash of Schools 2022 (PS Championship)	2022-07-22	2022-07-22	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis
2	2022 North West Schools Individuals (U13 Girls)	2022-06-03	2022-06-03	Standard	Ngaka Modiri Molema (NNM)	5	5	3	Yes	Analysis
3	Bojanala SAJCC Trials - Session 2 of 3 2021 (B)	2021-11-13	2021-11-13	Standard	Bojanala Platina (NBR)	5	4	1	Yes	Analysis
4	Bojanala SAJCC Trials - Session 1 of 3 2021 (D)	2021-11-06	2021-11-06	Standard	Bojanala Platina (NBR)	5	4	0	Yes	Analysis
5	Laerskool Proteapark 2020 (E)	2020-02-29	2020-02-29	Standard	Bojanala Platina (NBR)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2022 North West Schools Individuals				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-06-03	rnd 4	type Standard	result 1	date 2022-07-22	rnd 1	type Standard	result 1
		Opponent Mosito, T (Tshiamo)				Opponent Manngwe, D (Dakalo)
2	2	Tournament Laerskool Proteapark 2020				Tournament Laerskool Proteapark 2020
		date 2020-02-29	rnd 3	type Standard	result 0.5	date 2020-02-29	rnd 4	type Standard	result 1
		Opponent Mabeleng, O (Orefile)				Opponent Corna, Z (Zeanne)
3	1	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-07-22	rnd 5	type Standard	result 1	date 2022-07-22	rnd 5	type Standard	result 1
		Opponent Koekemoer, W (Waldo)				Opponent Koekemoer, W (Waldo)

#	Games	Start				End
1	3	Tournament 2022 North West Schools Individuals				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-06-03	rnd 4	type Standard	result 1	date 2022-07-22	rnd 1	type Standard	result 1
		Opponent Mosito, T (Tshiamo)				Opponent Manngwe, D (Dakalo)
2	2	Tournament Laerskool Proteapark 2020				Tournament Laerskool Proteapark 2020
		date 2020-02-29	rnd 3	type Standard	result 0.5	date 2020-02-29	rnd 4	type Standard	result 1
		Opponent Mabeleng, O (Orefile)				Opponent Corna, Z (Zeanne)
3	1	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-07-22	rnd 5	type Standard	result 1	date 2022-07-22	rnd 5	type Standard	result 1
		Opponent Koekemoer, W (Waldo)				Opponent Koekemoer, W (Waldo)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2022 North West Schools Individuals				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-06-03	rnd 4	type Standard	result 1	date 2022-07-22	rnd 1	type Standard	result 1
		Opponent Mosito, T (Tshiamo)				Opponent Manngwe, D (Dakalo)
2	1	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-07-22	rnd 5	type Standard	result 1	date 2022-07-22	rnd 5	type Standard	result 1
		Opponent Koekemoer, W (Waldo)				Opponent Koekemoer, W (Waldo)
3	1	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-07-22	rnd 3	type Standard	result 1	date 2022-07-22	rnd 3	type Standard	result 1
		Opponent Moilwe, T (Tshiamo)				Opponent Moilwe, T (Tshiamo)

#	Games	Start				End
1	3	Tournament 2022 North West Schools Individuals				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-06-03	rnd 4	type Standard	result 1	date 2022-07-22	rnd 1	type Standard	result 1
		Opponent Mosito, T (Tshiamo)				Opponent Manngwe, D (Dakalo)
2	1	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-07-22	rnd 5	type Standard	result 1	date 2022-07-22	rnd 5	type Standard	result 1
		Opponent Koekemoer, W (Waldo)				Opponent Koekemoer, W (Waldo)
3	1	Tournament Bojanala Chess Federation Clash of Schools 2022				Tournament Bojanala Chess Federation Clash of Schools 2022
		date 2022-07-22	rnd 3	type Standard	result 1	date 2022-07-22	rnd 3	type Standard	result 1
		Opponent Moilwe, T (Tshiamo)				Opponent Moilwe, T (Tshiamo)

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	Mabeleng ,O (Orefile)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Mabeleng ,O (Orefile)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
2	Bantseke ,B (Boikanyo)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Bantseke ,B (Boikanyo)	1	1304.1	879.1	1	1283.1	879.1	0	0	0	0	0	0
3	Corna ,Z (Zeanne)	1	1	425	1	1	425	0	0	0	0	0	0
3	Corna ,Z (Zeanne)	1	1146.5	1571.5	1	1134.8	1571.5	0	0	0	0	0	0
4	Mocha ,O (Omphile)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mocha ,O (Omphile)	1	757.7	332.7	1	716.6	332.7	0	0	0	0	0	0
5	Manngwe ,D (Dakalo)	1	1	425	1	1	425	0	0	0	0	0	0
5	Manngwe ,D (Dakalo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Myburgh ,Z (Zandre)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Myburgh ,Z (Zandre)	1	1240.2	815.2	1	1246.8	815.2	0	0	0	0	0	0
7	Pedersen ,J (Jj)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Pedersen ,J (Jj)	1	1106.2	681.2	1	1086.1	681.2	0	0	0	0	0	0
8	Green ,L (Louis)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Green ,L (Louis)	1	1404.4	979.4	1	1398.7	979.4	0	0	0	0	0	0
9	Maponopono ,K (Koketso)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Maponopono ,K (Koketso)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Dikobe ,GK (Goabaone Khumo)	1	1	425	1	1	425	0	0	0	0	0	0
10	Dikobe ,GK (Goabaone Khumo)	1	1200	1625	1	1200	1625	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

Nana, A (Aboay-Debrah)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms