Chess South Africa Ratings Database

PLAYER PAGE

Personal

Darby, M (Mande-Marie)

Chess SA id

2080152207

FIDE id

Date of birth

2008-04-09 (U18)

Gender

Female

Region

Chess South Africa (CSA)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1126.6	1134.6	1133.2	1200
Raw rating	1126.6	1134.6	1133.2	1200
Weighted rating	1125.6	1133.3	1133.2	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	184.1	182	182.4	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 2019-12-01	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 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1126.6	1134.6	1133.2	1200
Analysis
Rating	1126.6	1134.6	1133.2	1200
Raw rating	1126.6	1134.6	1133.2	1200
Weighted rating	1125.6	1133.3	1133.2
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	184.1	182	182.4	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	1126.6	1134.6	1133.2	1200
New weighted rating	1125.8	1133.4	1133.2	1200
New weighted performance	0	0	0	0
Temp new rating	1126.6	1134.6	1133.2	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1126.6	1134.6	1133.2	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	17	5	12
	0	0	0
	0	0	0
History	17	5	12

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Chess South Africa (CSA)
Province
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	17	5.5	32.35	-150	1190.3	1040.3
Standard	5	1	20	-255	1179.7	924.7
Rapid	12	4.5	37.5	-106.2	1194.7	1088.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1126.6	1134.6	1133.2	1200
2025-09-01	1126.6	1134.6	1133.2	1200
2025-08-01	1126.6	1134.6	1133.2	1200
2025-07-01	1126.6	1134.6	1133.2	1200
2025-06-01	1126.6	1134.6	1133.2	1200
2025-05-01	1126.6	1134.6	1133.2	1200
2025-04-01	1126.6	1134.6	1133.2	1200
2025-03-01	1126.6	1134.6	1133.2	1200
2025-02-01	1126.6	1134.6	1133.2	1200
2025-01-01	1124.2	1131.2	1133.2	1200
2024-12-01	1124.2	1131.2	1133.2	1200
2024-11-01	1124.2	1131.2	1133.2	1200
2024-10-01	1124.2	1131.2	1133.2	1200
2024-09-01	1124.2	1131.2	1133.2	1200
2024-08-01	1124.2	1131.2	1133.2	1200
2024-07-01	1124.2	1131.2	1133.2	1200
2024-06-01	1124.2	1131.2	1133.2	1200
2024-08-01	1124.2	1131.2	1133.2	1200
2024-04-01	1124.2	1131.2	1133.2	1200
2024-03-01	1124.2	1131.2	1133.2	1200
2024-02-01	1124.2	1131.2	1133.2	1200
2024-01-01	1124.2	1131.2	1133.2	1200
2023-12-01	1124.2	1131.2	1133.2	1200
2023-11-01	1124.2	1131.2	1133.2	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	Overberg Top Schools 2023 (U15+U18)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	1	Yes	Analysis
2	Hermanus Rapid 2023 (C)	2023-04-22	2023-04-22	Rapid	Overberg (WOS)	6	6	2.5	Yes	Analysis
3	Overberg High Schools Trails 2023 (U17)	2023-02-24	2023-02-24	Rapid	Overberg (WOS)	5	1	0	Yes	Analysis
4	Overberg High Schools Trails 2023 (U15)	2023-02-24	2023-02-24	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	2	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 2	type Rapid	result 1	date 2023-04-22	rnd 3	type Rapid	result 1
		Opponent Mazala, A (Asakhe)				Opponent Palmer, J (Jordan)
2	1	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Witbooi, G (Gere)				Opponent Witbooi, G (Gere)
3	1	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 6	type Rapid	result 0.5	date 2023-04-22	rnd 6	type Rapid	result 0.5
		Opponent Janse Van Vuuren, A (Abri)				Opponent Janse Van Vuuren, A (Abri)

#	Games	Start				End
1	1	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Witbooi, G (Gere)				Opponent Witbooi, G (Gere)

#	Games	Start				End
1	2	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 2	type Rapid	result 1	date 2023-04-22	rnd 3	type Rapid	result 1
		Opponent Mazala, A (Asakhe)				Opponent Palmer, J (Jordan)
2	1	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 6	type Rapid	result 0.5	date 2023-04-22	rnd 6	type Rapid	result 0.5
		Opponent Janse Van Vuuren, A (Abri)				Opponent Janse Van Vuuren, A (Abri)
3	1	Tournament Overberg High Schools Trails 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-24	rnd 4	type Rapid	result 1	date 2023-02-24	rnd 4	type Rapid	result 1
		Opponent Stratford, E (Emily)				Opponent Stratford, E (Emily)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 2	type Rapid	result 1	date 2023-04-22	rnd 3	type Rapid	result 1
		Opponent Mazala, A (Asakhe)				Opponent Palmer, J (Jordan)
2	1	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Witbooi, G (Gere)				Opponent Witbooi, G (Gere)
3	1	Tournament Overberg High Schools Trails 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-24	rnd 4	type Rapid	result 1	date 2023-02-24	rnd 4	type Rapid	result 1
		Opponent Stratford, E (Emily)				Opponent Stratford, E (Emily)

#	Games	Start				End
1	1	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 3	type Standard	result 1	date 2023-08-05	rnd 3	type Standard	result 1
		Opponent Witbooi, G (Gere)				Opponent Witbooi, G (Gere)

#	Games	Start				End
1	2	Tournament Hermanus Rapid 2023				Tournament Hermanus Rapid 2023
		date 2023-04-22	rnd 2	type Rapid	result 1	date 2023-04-22	rnd 3	type Rapid	result 1
		Opponent Mazala, A (Asakhe)				Opponent Palmer, J (Jordan)
2	1	Tournament Overberg High Schools Trails 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-24	rnd 4	type Rapid	result 1	date 2023-02-24	rnd 4	type Rapid	result 1
		Opponent Stratford, E (Emily)				Opponent Stratford, E (Emily)
3	1	Tournament Overberg High Schools Trails 2023				Tournament Overberg High Schools Trails 2023
		date 2023-02-24	rnd 2	type Rapid	result 1	date 2023-02-24	rnd 2	type Rapid	result 1
		Opponent Orson, E (Engela)				Opponent Orson, E (Engela)

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	Du Plessis ,LJ (Lodewyk Johannes)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Du Plessis ,LJ (Lodewyk Johannes)	1	1159.8	734.8	1	1150	734.8	0	0	0	0	0	0
2	Mdlokovane ,S (Sphendulwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Mdlokovane ,S (Sphendulwe)	1	1179.6	754.6	1	1122	754.6	0	0	0	0	0	0
3	Witbooi ,J (Juan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Witbooi ,J (Juan)	1	1266.9	841.9	1	1251.9	841.9	0	0	0	0	0	0
4	Mackenzie ,E (Erin-Lee)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Mackenzie ,E (Erin-Lee)	1	1153.3	728.3	1	1055.2	728.3	0	0	0	0	0	0
5	Witbooi ,G (Gere)	1	1	425	1	1	425	0	0	0	0	0	0
5	Witbooi ,G (Gere)	1	1139.1	1564.1	1	1200	1564.1	0	0	0	0	0	0
6	Stratford ,E (Emily)	1	1	425	0	0	0	1	1	425	0	0	0
6	Stratford ,E (Emily)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
7	Beveridge ,J (Jesse)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Beveridge ,J (Jesse)	1	1116.5	691.5	0	0	0	1	1250.7	691.5	0	0	0
8	Beveridge ,TG (Talitha Grace)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Beveridge ,TG (Talitha Grace)	1	1345	920	0	0	0	1	755.2	920	0	0	0
9	Fourie ,E (Ewie)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Fourie ,E (Ewie)	1	1219.3	794.3	0	0	0	1	1279.3	794.3	0	0	0
10	Harmse ,J (Jacques)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Harmse ,J (Jacques)	1	1411.9	986.9	0	0	0	1	1210.6	986.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Darby, M (Mande-Marie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms