Chess South Africa Ratings Database

PLAYER PAGE

Personal

Korf, M (Michelle)

Chess SA id

271044805

FIDE id

Date of birth

1971-09-03 (Adult)

Gender

Female

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-03-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1180.2	1211.5	1121.5	1046.2
Raw rating	1180.2	1211.5	1121.5	1046.2
Weighted rating	1180.2	1211.3	1121.5	1046.2
Weighted performance	465.4	281.2	0	0
Floor	776.3	797.4	621.5	546.2
K-factor	36	36	40	40
Min/Max rating change allowed	170.6	163.1	185.4	206.4
Highest rating	1276.3 2019-12-01	1297.4 2019-12-01	1280.8 2023-03-01	1200 2024-03-01
Highest raw rating	1276.3 2019-12-01	1297.4 2019-12-01	1121.5 2024-03-01	1046.2 2024-03-01
Highest weighted rating	1276.3 2020-03-01	1297.4 2020-02-01	1121.5 2024-11-01	1046.2 2024-11-01
Highest weighted performance	1264.5 2019-10-01	1265.2 2019-10-01	1280.8 2023-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1180.2	1211.5	1121.5	1046.2
Analysis
Rating	1180.2	1211.5	1121.5	1046.2
Raw rating	1180.2	1211.5	1121.5	1046.2
Weighted rating	1180.2	1211.3	1121.5
Weighted performance	465.4	281.2	0
K-factor	36	36	40	40
Floor	776.3	797.4	621.5	546.2
Max/Min rating change allowed	170.6	163.1	185.4	206.4
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	1180.2	1211.5	1121.5	1046.2
New weighted rating	1180.2	1211.5	1121.5	1046.2
New weighted performance	458.9	274.9	0	0
Temp new rating	1180.2	1211.5	1121.5	1046.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1180.2	1211.5	1121.5	1046.2
New K-factor	36	36	40	40
New floor	776.3	797.4	621.5	546.2

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	6	0	6
	0	0	0
	0	0	0
History	193	156	37

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Nelson Mandela Bay (ENM)
Province	Eastern Cape (EC)
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	52	31.5	60.58	89.9	1129.9	1219.8
Standard	46	28	60.87	92.4	1120.8	1213.2
Rapid	6	3.5	58.33	70.8	1200	1270.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1180.2	1211.5	1121.5	1046.2
2025-09-30	1180.2	1211.5	1121.5	1046.2
2025-09-01	1180.2	1211.5	1121.5	1046.2
2025-08-01	1180.2	1211.5	1121.5	1046.2
2025-07-01	1180.2	1211.5	1121.5	1046.2
2025-06-01	1180.2	1211.5	1121.5	1046.2
2025-05-01	1180.2	1211.5	1121.5	1046.2
2025-04-01	1180.2	1211.5	1121.5	1046.2
2025-03-01	1180.2	1211.5	1121.5	1046.2
2025-02-01	1180.2	1211.5	1121.5	1046.2
2025-01-01	1180.2	1211.5	1121.5	1046.2
2024-12-01	1180.2	1211.5	1121.5	1046.2
2024-11-01	1180.2	1211.5	1121.5	1046.2
2024-10-01	1180.2	1211.5	1121.5	1046.2
2024-09-01	1180.2	1211.5	1121.5	1046.2
2024-08-01	1180.2	1211.5	1121.5	1046.2
2024-07-01	1180.2	1211.5	1121.5	1046.2
2024-09-01	1180.2	1211.5	1121.5	1046.2
2024-05-01	1180.2	1211.5	1121.5	1046.2
2024-04-01	1180.2	1211.5	1121.5	1046.2
2024-03-01	1180.2	1211.5	1121.5	1046.2
2024-02-01	1180.2	1211.5	1121.5	1046.2
2024-01-01	1180.2	1211.5	1121.5	1046.2
2023-12-01	1180.2	1163.1	1106.2	1046.2

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	SAPS Provincial Inter-Departemental Sport Championship 2023	2023-03-23	2023-03-24	Rapid	Sarah Baartman (ESB)	6	6	3.5	Yes	Analysis
2	2020 Boardwalk Pearson Open Chess Festival (Open)	2020-03-14	2020-03-15	Standard	Nelson Mandela Bay (ENM)	5	5	2	Yes	Analysis
3	Brandwag Open 2020 (B)	2020-01-31	2020-02-01	Standard	Nelson Mandela Bay (ENM)	5	5	0.5	Yes	Analysis
4	SAPS National Individual Chess Championship 2019 (Women)	2019-10-23	2019-10-25	Standard	Frances Baard (NCF)	9	9	4.5	Yes	Analysis
5	SAPS National Team Chess Championship 2019	2019-10-26	2019-10-30	Standard	Frances Baard (NCF)	9	9	8	Yes	Analysis
6	SAPS National Individual Championship 2018 (Women)	2018-09-12	2018-09-15	Standard	Xhariep (FXT)	9	9	4.5	Yes	Analysis
7	SAPS National Team Championship 2018	2018-09-11	2018-09-11	Standard	Xhariep (FXT)	9	9	8.5	Yes	Analysis

#	Games	Start				End
1	9	Tournament SAPS National Individual Chess Championship 2019				Tournament SAPS National Team Chess Championship 2019
		date 2019-10-25	rnd 9	type Standard	result 0.5	date 2019-10-29	rnd 8	type Standard	result 1
		Opponent Rantamo, BB (Bongiwe)				Opponent Slippers, S (Sonja)
2	9	Tournament SAPS National Team Championship 2018				Tournament SAPS National Team Championship 2018
		date 2018-09-11	rnd 1	type Standard	result 1	date 2018-09-11	rnd 9	type Standard	result 1
		Opponent Molale, M (Mi)				Opponent Netshimbupfe, GH (Grace)
3	3	Tournament SAPS Provincial Inter-Departemental Sport Championship 2023				Tournament SAPS Provincial Inter-Departemental Sport Championship 2023
		date 2023-03-23	rnd 4	type Rapid	result 0.5	date 2023-03-24	rnd 6	type Rapid	result 1
		Opponent Siphahlanga, L (Lizile)				Opponent Ncata, S (Sibulele)

#	Games	Start				End
1	9	Tournament SAPS National Individual Chess Championship 2019				Tournament SAPS National Team Chess Championship 2019
		date 2019-10-25	rnd 9	type Standard	result 0.5	date 2019-10-29	rnd 8	type Standard	result 1
		Opponent Rantamo, BB (Bongiwe)				Opponent Slippers, S (Sonja)
2	9	Tournament SAPS National Team Championship 2018				Tournament SAPS National Team Championship 2018
		date 2018-09-11	rnd 1	type Standard	result 1	date 2018-09-11	rnd 9	type Standard	result 1
		Opponent Molale, M (Mi)				Opponent Netshimbupfe, GH (Grace)
3	2	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Chess Championship 2019
		date 2018-09-15	rnd 9	type Standard	result 0.5	date 2019-10-23	rnd 1	type Standard	result 1
		Opponent Chazi, TM (Taninga)				Opponent Khangale, L (Livhuwani)

#	Games	Start				End
1	3	Tournament SAPS Provincial Inter-Departemental Sport Championship 2023				Tournament SAPS Provincial Inter-Departemental Sport Championship 2023
		date 2023-03-23	rnd 4	type Rapid	result 0.5	date 2023-03-24	rnd 6	type Rapid	result 1
		Opponent Siphahlanga, L (Lizile)				Opponent Ncata, S (Sibulele)
2	1	Tournament SAPS Provincial Inter-Departemental Sport Championship 2023				Tournament SAPS Provincial Inter-Departemental Sport Championship 2023
		date 2023-03-23	rnd 2	type Rapid	result 1	date 2023-03-23	rnd 2	type Rapid	result 1
		Opponent Ward, N (Nicole)				Opponent Ward, N (Nicole)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament SAPS National Team Chess Championship 2019				Tournament SAPS National Team Chess Championship 2019
		date 2019-10-26	rnd 1	type Standard	result 1	date 2019-10-29	rnd 8	type Standard	result 1
		Opponent Moreothata, L (Lily)				Opponent Slippers, S (Sonja)
2	6	Tournament SAPS National Team Championship 2018				Tournament SAPS National Team Championship 2018
		date 2018-09-11	rnd 1	type Standard	result 1	date 2018-09-11	rnd 6	type Standard	result 1
		Opponent Molale, M (Mi)				Opponent Sithole, N (Nontobeko)
3	2	Tournament SAPS Provincial Inter-Departemental Sport Championship 2023				Tournament SAPS Provincial Inter-Departemental Sport Championship 2023
		date 2023-03-24	rnd 5	type Rapid	result 1	date 2023-03-24	rnd 6	type Rapid	result 1
		Opponent Dibela, N (Nozuko)				Opponent Ncata, S (Sibulele)

#	Games	Start				End
1	8	Tournament SAPS National Team Chess Championship 2019				Tournament SAPS National Team Chess Championship 2019
		date 2019-10-26	rnd 1	type Standard	result 1	date 2019-10-29	rnd 8	type Standard	result 1
		Opponent Moreothata, L (Lily)				Opponent Slippers, S (Sonja)
2	6	Tournament SAPS National Team Championship 2018				Tournament SAPS National Team Championship 2018
		date 2018-09-11	rnd 1	type Standard	result 1	date 2018-09-11	rnd 6	type Standard	result 1
		Opponent Molale, M (Mi)				Opponent Sithole, N (Nontobeko)
3	2	Tournament SAPS National Individual Championship 2018				Tournament SAPS National Individual Championship 2018
		date 2018-09-14	rnd 6	type Standard	result 1	date 2018-09-14	rnd 7	type Standard	result 1
		Opponent Khoza, K (Khensy Glory)				Opponent Mahlatji, RE (Ramatethje)

#	Games	Start				End
1	2	Tournament SAPS Provincial Inter-Departemental Sport Championship 2023				Tournament SAPS Provincial Inter-Departemental Sport Championship 2023
		date 2023-03-24	rnd 5	type Rapid	result 1	date 2023-03-24	rnd 6	type Rapid	result 1
		Opponent Dibela, N (Nozuko)				Opponent Ncata, S (Sibulele)
2	1	Tournament SAPS Provincial Inter-Departemental Sport Championship 2023				Tournament SAPS Provincial Inter-Departemental Sport Championship 2023
		date 2023-03-23	rnd 2	type Rapid	result 1	date 2023-03-23	rnd 2	type Rapid	result 1
		Opponent Ward, N (Nicole)				Opponent Ward, N (Nicole)

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	Khoza ,K (Khensy Glory)	3	3	425	3	3	425	0	0	0	0	0	0
1	Khoza ,K (Khensy Glory)	3	1151.3	1576.3	3	1141.3	1576.3	0	0	0	0	0	0
2	Mitani ,P (Portia)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Mitani ,P (Portia)	2	1192.7	767.7	2	1192.4	767.7	0	0	0	0	0	0
3	Devnanen ,K (Sony)	2	2	425	2	2	425	0	0	0	0	0	0
3	Devnanen ,K (Sony)	2	1188.7	1613.7	2	1186	1613.7	0	0	0	0	0	0
4	Pelele ,M (Masego Murial)	2	1	0	2	1	0	0	0	0	0	0	0
4	Pelele ,M (Masego Murial)	2	1203	1203	2	1203.2	1203	0	0	0	0	0	0
5	Ledwaba ,RR (Ramagohlo Refilwe)	2	1	0	2	1	0	0	0	0	0	0	0
5	Ledwaba ,RR (Ramagohlo Refilwe)	2	1108.7	1108.7	2	1122	1108.7	0	0	0	0	0	0
6	Ramolobeng ,M (Manare Monica)	2	2	425	2	2	425	0	0	0	0	0	0
6	Ramolobeng ,M (Manare Monica)	2	1122.3	1547.3	2	1106.4	1547.3	0	0	0	0	0	0
7	Chazi ,TM (Taninga)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
7	Chazi ,TM (Taninga)	2	966	1178.5	2	966	1178.5	0	0	0	0	0	0
8	Sithole ,N (Nontobeko)	1	1	425	1	1	425	0	0	0	0	0	0
8	Sithole ,N (Nontobeko)	1	1065.5	1490.5	1	1067.1	1490.5	0	0	0	0	0	0
9	Van Der Merwe ,D (Dillen)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Van Der Merwe ,D (Dillen)	1	1259	834	1	1260.2	834	0	0	0	0	0	0
10	Castelyn ,N (Nevian)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Castelyn ,N (Nevian)	1	841.2	416.2	1	853.5	416.2	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

Korf, M (Michelle)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms