Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mboyo, D (Diana)

Chess SA id

2080324963

FIDE id

Date of birth

2008-08-11 (U18)

Gender

Female

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1266.3

Item	Main	Standard	Rapid	Blitz
Rating	1223.2	1220.6	1200	1200
Raw rating	1223.2	1220.6	1200	1200
Weighted rating	1203.5	1203.6	1200	1200
Weighted performance	0	0	0	0
Floor	723.2	724.9	700	700
K-factor	36	36	40	40
Min/Max rating change allowed	160.4	161	165.8	165.8
Highest rating	1223.2 2025-09-30	1224.9 2025-09-01	1199.9 2025-08-10	1199.9 2025-08-10
Highest raw rating	1223.2 2025-09-30	1224.9 2025-09-01	1199.9 2025-08-10	1199.9 2025-08-10
Highest weighted rating	1203.5 2025-09-30	1203.6 2025-09-30	1199.9 2025-08-10	1199.9 2025-08-10
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1223.2	1220.6	1200	1200
Analysis
Rating	1223.2	1220.6	1200	1200
Raw rating	1223.2	1220.6	1200	1200
Weighted rating	1203.5	1203.6	1200
Weighted performance	0	0	0
K-factor	36	36	40	40
Floor	723.2	724.9	700	700
Max/Min rating change allowed	160.4	161	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	1223.2	1220.6	1200	1200
New weighted rating	1205.2	1205.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1223.2	1220.6	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1223.2	1220.6	1200	1200
New K-factor	36	36	36	36
New floor	723.2	724.9	700	700

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

Games since
	Main 12	Standard 12		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
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	12	6.5	54.17	35.4	1225.8	1261.3
Standard	12	6.5	54.17	35.4	1225.8	1261.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	6.5	54.17	35.4	1225.8	1261.3
Standard	12	6.5	54.17	35.4	1225.8	1261.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1223.2	1220.6	1200	1200
2025-09-01	1221.4	1224.9	1200	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	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	Western Cape Schools - Top Schools 2025 (U19 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
2	CT Metro District East Top Schools Chess 2025 (U15-U19 Girls)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Western Cape Schools - Top Schools 2025 (U19 Girls)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	3	Yes	Analysis
2	CT Metro District East Top Schools Chess 2025 (U15-U19 Girls)	2025-08-02	2025-08-03	Standard	Cape Town (WCT)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	3	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Stoyile, B (Buhle)				Opponent Ngesi, A (Acwenga)
2	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-07	rnd 6	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Van Zyl, C (Carli)				Opponent Van Zyl, C (Carli)
3	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Miller-Bake, A (Arianna)				Opponent Miller-Bake, A (Arianna)

#	Games	Start				End
1	3	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Stoyile, B (Buhle)				Opponent Ngesi, A (Acwenga)
2	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-07	rnd 6	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Van Zyl, C (Carli)				Opponent Van Zyl, C (Carli)
3	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Miller-Bake, A (Arianna)				Opponent Miller-Bake, A (Arianna)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Stoyile, B (Buhle)				Opponent Ngesi, A (Acwenga)
2	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-07	rnd 6	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Van Zyl, C (Carli)				Opponent Van Zyl, C (Carli)
3	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Miller-Bake, A (Arianna)				Opponent Miller-Bake, A (Arianna)

#	Games	Start				End
1	3	Tournament CT Metro District East Top Schools Chess 2025				Tournament CT Metro District East Top Schools Chess 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 3	type Standard	result 1
		Opponent Stoyile, B (Buhle)				Opponent Ngesi, A (Acwenga)
2	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-07	rnd 6	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Van Zyl, C (Carli)				Opponent Van Zyl, C (Carli)
3	1	Tournament Western Cape Schools - Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-09-06	rnd 4	type Standard	result 1	date 2025-09-06	rnd 4	type Standard	result 1
		Opponent Miller-Bake, A (Arianna)				Opponent Miller-Bake, A (Arianna)

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	Shoriwa ,M (Mary)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Shoriwa ,M (Mary)	2	1224.2	1011.7	2	1215	1011.7	0	0	0	0	0	0
2	Ngesi ,A (Acwenga)	2	1	0	2	1	0	0	0	0	0	0	0
2	Ngesi ,A (Acwenga)	2	1238.3	1238.3	2	1237.8	1238.3	0	0	0	0	0	0
3	Stoyile ,B (Buhle)	2	2	425	2	2	425	0	0	0	0	0	0
3	Stoyile ,B (Buhle)	2	1200	1625	2	1200	1625	0	0	0	0	0	0
4	Lamberts ,D (Denika)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Lamberts ,D (Denika)	1	1235.8	810.8	1	1226.1	810.8	0	0	0	0	0	0
5	Fredericks ,K (Keshia)	1	1	425	1	1	425	0	0	0	0	0	0
5	Fredericks ,K (Keshia)	1	1124	1549	1	1108.8	1549	0	0	0	0	0	0
6	Hall ,K (Kirsten)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Hall ,K (Kirsten)	1	1249.6	824.6	1	1181.8	824.6	0	0	0	0	0	0
7	Miller-Bake ,A (Arianna)	1	1	425	1	1	425	0	0	0	0	0	0
7	Miller-Bake ,A (Arianna)	1	1147.7	1572.7	1	1138.8	1572.7	0	0	0	0	0	0
8	Ruzibiza ,I (Ida)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Ruzibiza ,I (Ida)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Van Zyl ,C (Carli)	1	1	425	1	1	425	0	0	0	0	0	0
9	Van Zyl ,C (Carli)	1	1428.2	1853.2	1	1395.4	1853.2	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Mboyo, D (Diana)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms