Chess South Africa Ratings Database

PLAYER PAGE

Personal

Koen, ML (Megan Leigh)

Chess SA id

205080104

FIDE id

Date of birth

2005-12-28 (Adult)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-05-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	686	718	501.6	501.6
Raw rating	686	718	501.6	501.6
Weighted rating	685.9	718	501.6	501.6
Weighted performance	0	0	0	0
Floor	500	500	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	344.9	329.5	448.5	448.5
Highest rating	1200 2018-01-01	1200 2018-01-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	686 2024-02-01	718 2024-02-01	501.6 2024-02-01	501.6 2024-02-01
Highest weighted rating	686 2024-11-01	718 2024-11-01	501.6 2024-11-01	501.6 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	686	718	501.6	501.6
Analysis
Rating	686	718	501.6	501.6
Raw rating	686	718	501.6	501.6
Weighted rating	685.9	718	501.6
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	500	500	500
Max/Min rating change allowed	344.9	329.5	448.5	448.5
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	686	718	501.6	501.6
New weighted rating	686	718	501.6	501.6
New weighted performance	0	0	0	0
Temp new rating	686	718	501.6	501.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	686	718	501.6	501.6
New K-factor	40	40	40	40
New floor	500	500	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	25	25

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	10	6.5	65	127.5	994.2	1121.8
Standard	10	6.5	65	127.5	994.2	1121.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	686	718	501.6	501.6
2025-09-01	686	718	501.6	501.6
2025-08-01	686	718	501.6	501.6
2025-07-01	686	718	501.6	501.6
2025-06-01	686	718	501.6	501.6
2025-05-01	686	718	501.6	501.6
2025-04-01	686	718	501.6	501.6
2025-03-01	686	718	501.6	501.6
2025-02-01	686	718	501.6	501.6
2025-01-01	686	718	501.6	501.6
2024-12-01	686	718	501.6	501.6
2024-11-01	686	718	501.6	501.6
2024-10-01	686	718	501.6	501.6
2024-09-01	686	718	501.6	501.6
2024-08-01	686	718	501.6	501.6
2024-07-01	686	718	501.6	501.6
2024-06-01	686	718	501.6	501.6
2024-08-01	686	718	501.6	501.6
2024-04-01	686	718	501.6	501.6
2024-03-01	686	718	501.6	501.6
2024-02-01	686	718	501.6	501.6
2024-01-01	686	718	501.6	501.6
2023-12-01	678.2	718	501.6	501.6
2023-11-01	678.2	718	501.6	501.6

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	2018 Gauteng Secondary Schools Individual Chess Championships (U13 Girls)	2018-05-25	2018-05-25	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
2	2018 D1 Gauteng North Individual Chess Championships (U13 Girls)	2018-05-19	2018-05-19	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2018 Gauteng Secondary Schools Individual Chess Championships				Tournament 2018 Gauteng Secondary Schools Individual Chess Championships
		date 2018-05-25	rnd 3	type Standard	result 1	date 2018-05-25	rnd 5	type Standard	result 1
		Opponent Msiza, S (Sihle)				Opponent Besele, N (Nomsa)
2	2	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 D1 Gauteng North Individual Chess Championships
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-19	rnd 5	type Standard	result 1
		Opponent Britz, T (Thea)				Opponent Mabena, N (Nkazimulo)
3	2	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 D1 Gauteng North Individual Chess Championships
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-05-19	rnd 2	type Standard	result 1
		Opponent Mabane, K (Kedibone Lerato)				Opponent Mandisa, M (Mokwena)

#	Games	Start				End
1	3	Tournament 2018 Gauteng Secondary Schools Individual Chess Championships				Tournament 2018 Gauteng Secondary Schools Individual Chess Championships
		date 2018-05-25	rnd 3	type Standard	result 1	date 2018-05-25	rnd 5	type Standard	result 1
		Opponent Msiza, S (Sihle)				Opponent Besele, N (Nomsa)
2	2	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 D1 Gauteng North Individual Chess Championships
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-19	rnd 5	type Standard	result 1
		Opponent Britz, T (Thea)				Opponent Mabena, N (Nkazimulo)
3	2	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 D1 Gauteng North Individual Chess Championships
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-05-19	rnd 2	type Standard	result 1
		Opponent Mabane, K (Kedibone Lerato)				Opponent Mandisa, M (Mokwena)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 D1 Gauteng North Individual Chess Championships
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-19	rnd 5	type Standard	result 1
		Opponent Britz, T (Thea)				Opponent Mabena, N (Nkazimulo)
2	2	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 D1 Gauteng North Individual Chess Championships
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-05-19	rnd 2	type Standard	result 1
		Opponent Mabane, K (Kedibone Lerato)				Opponent Mandisa, M (Mokwena)
3	1	Tournament 2018 Gauteng Secondary Schools Individual Chess Championships				Tournament 2018 Gauteng Secondary Schools Individual Chess Championships
		date 2018-05-25	rnd 5	type Standard	result 1	date 2018-05-25	rnd 5	type Standard	result 1
		Opponent Besele, N (Nomsa)				Opponent Besele, N (Nomsa)

#	Games	Start				End
1	2	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 D1 Gauteng North Individual Chess Championships
		date 2018-05-19	rnd 4	type Standard	result 1	date 2018-05-19	rnd 5	type Standard	result 1
		Opponent Britz, T (Thea)				Opponent Mabena, N (Nkazimulo)
2	2	Tournament 2018 D1 Gauteng North Individual Chess Championships				Tournament 2018 D1 Gauteng North Individual Chess Championships
		date 2018-05-19	rnd 1	type Standard	result 1	date 2018-05-19	rnd 2	type Standard	result 1
		Opponent Mabane, K (Kedibone Lerato)				Opponent Mandisa, M (Mokwena)
3	1	Tournament 2018 Gauteng Secondary Schools Individual Chess Championships				Tournament 2018 Gauteng Secondary Schools Individual Chess Championships
		date 2018-05-25	rnd 5	type Standard	result 1	date 2018-05-25	rnd 5	type Standard	result 1
		Opponent Besele, N (Nomsa)				Opponent Besele, N (Nomsa)

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	Msiza ,S (Sihle)	1	1	425	1	1	425	0	0	0	0	0	0
1	Msiza ,S (Sihle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	Li ,S (Shirley)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Li ,S (Shirley)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Besele ,N (Nomsa)	1	1	425	1	1	425	0	0	0	0	0	0
3	Besele ,N (Nomsa)	1	628.4	1053.4	1	655.6	1053.4	0	0	0	0	0	0
4	Mabane ,K (Kedibone Lerato)	1	1	425	1	1	425	0	0	0	0	0	0
4	Mabane ,K (Kedibone Lerato)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Gaula ,M (Mateboho)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Gaula ,M (Mateboho)	1	641.1	641.1	1	663.6	641.1	0	0	0	0	0	0
6	Roos ,A (Abigail)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Roos ,A (Abigail)	1	695.3	270.3	1	727.2	270.3	0	0	0	0	0	0
7	Smith ,L (Leyla)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Smith ,L (Leyla)	1	777.6	352.6	1	774	352.6	0	0	0	0	0	0
8	Britz ,T (Thea)	1	1	425	1	1	425	0	0	0	0	0	0
8	Britz ,T (Thea)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Mabena ,N (Nkazimulo)	1	1	425	1	1	425	0	0	0	0	0	0
9	Mabena ,N (Nkazimulo)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Mandisa ,M (Mokwena)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mandisa ,M (Mokwena)	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

Tournaments

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PLAYER PAGE

Personal

Koen, ML (Megan Leigh)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms