Chess South Africa Ratings Database

PLAYER PAGE

Personal

Rahn, MC (Marlene Catherina)

Chess SA id

275031506

FIDE id

Date of birth

1975-08-27 (Adult)

Gender

Female

Region

Cape Winelands (WCW)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1106.3	1118.3	957.2	934
Raw rating	1106.3	1118.3	957.2	934
Weighted rating	1083.4	1091.5	957.2	934
Weighted performance	940.5	938.2	0	0
Floor	606.3	618.3	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	189.5	186.3	234.3	242.2
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01
Highest raw rating	1106.3 2025-04-01	1118.3 2025-04-01	957.2 2024-03-01	934 2024-03-01
Highest weighted rating	1106.3 2024-11-01	1118.3 2024-11-01	957.2 2024-11-01	934 2024-11-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1106.3	1118.3	957.2	934
Analysis
Rating	1106.3	1118.3	957.2	934
Raw rating	1106.3	1118.3	957.2	934
Weighted rating	1083.4	1091.5	957.2
Weighted performance	940.5	938.2	0
K-factor	40	40	40	40
Floor	606.3	618.3	500	500
Max/Min rating change allowed	189.5	186.3	234.3	242.2
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	1106.3	1118.3	957.2	934
New weighted rating	1086.6	1095.3	957.2	934
New weighted performance	940.1	937.8	0	0
Temp new rating	1106.3	1118.3	957.2	934
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1106.3	1118.3	957.2	934
New K-factor	40	40	40	40
New floor	606.3	618.3	500	500

Item	Main	Standard	Rapid
	0	0	0
	6	6	0
	5	5	0
	18	18	0
	5	5	0
	0	0	0
History	168	157	11

Games since
	Main 11	Standard 11		Rapid 0		Blitz 0
Gender	Female
Age group	Adult
Region	Cape Winelands (WCW)
Province	Western Cape (WC)
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	6	3	50	0	1230	1230
Standard	6	3	50	0	1230	1230
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	49	18.5	37.76	-104.1	1203.1	1099
Standard	44	16.5	37.5	-106.2	1213.1	1106.8
Rapid	5	2	40	-85	1115.3	1030.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1106.3	1118.3	957.2	934
2025-09-01	1106.3	1118.3	957.2	934
2025-08-01	1106.3	1118.3	957.2	934
2025-07-01	1106.3	1118.3	957.2	934
2025-06-01	1106.3	1118.3	957.2	934
2025-05-01	1106.3	1118.3	957.2	934
2025-04-01	1106.3	1118.3	957.2	934
2025-03-01	1069	1074.8	957.2	934
2025-02-01	1069	1074.8	957.2	934
2025-01-01	1069	1074.8	957.2	934
2024-12-01	1069	1074.8	957.2	934
2024-11-01	1069	1074.8	957.2	934
2024-10-01	1069	1074.8	957.2	934
2024-09-01	1069	1074.8	957.2	934
2024-08-01	1069	1074.8	957.2	934
2024-07-01	1069	1074.8	957.2	934
2024-06-01	1069	1074.8	957.2	934
2024-08-01	1069	1074.8	957.2	934
2024-04-01	1013.2	1009.2	957.2	934
2024-03-01	1013.2	1009.2	957.2	934
2024-02-01	1013.2	1009.2	957.2	934
2024-01-01	1013.2	1009.2	957.2	934
2023-12-01	1013.2	1009.2	957.2	934
2023-11-01	1013.2	1009.2	957.2	934

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	SA Braille Open 2025	2025-03-22	2025-03-23	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	SA Braille Open 2025	2025-03-22	2025-03-23	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
2	South African Braille Open 2024	2024-03-09	2024-03-09	Standard	Cape Winelands (WCW)	5	5	3	Yes	Analysis
3	SA Braille South 2023	2023-03-18	2023-03-19	Standard	Cape Winelands (WCW)	5	5	1.5	Yes	Analysis
4	Braille Top 8 2023	2023-03-20	2023-03-21	Standard	Cape Winelands (WCW)	7	7	1	Yes	Analysis
5	Marie Delport Memorial 2023 (Ladies)	2023-01-21	2023-01-21	Standard	Cape Winelands (WCW)	6	6	3	Yes	Analysis
6	SA Braille 2022	2022-04-16	2022-04-17	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
7	Robertson Strategema 2019 (Open)	2019-10-05	2019-10-05	Rapid	Cape Winelands (WCW)	5	5	2	Yes	Analysis
8	SA Braille Worcester 2019	2019-03-23	2019-03-24	Standard	Cape Winelands (WCW)	5	5	1	Yes	Analysis
9	Sa Braille Worcester Open 2018	2018-04-27	2018-04-28	Standard	Cape Winelands (WCW)	7	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament South African Braille Open 2024				Tournament South African Braille Open 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Mfengu, Y (Yvonne)				Opponent Ngwevela, L (Luzuku)
2	2	Tournament SA Braille South 2023				Tournament SA Braille South 2023
		date 2023-03-18	rnd 3	type Standard	result 0.5	date 2023-03-19	rnd 4	type Standard	result 1
		Opponent Kriel, IM (Isabel Mare)				Opponent Scheepers, GP (George Philippus)
3	2	Tournament Marie Delport Memorial 2023				Tournament Marie Delport Memorial 2023
		date 2023-01-21	rnd 4	type Standard	result 1	date 2023-01-21	rnd 5	type Standard	result 1
		Opponent Van Der Westhuizen, L (Linli)				Opponent Rossouw, J (Joan)

#	Games	Start				End
1	3	Tournament South African Braille Open 2024				Tournament South African Braille Open 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Mfengu, Y (Yvonne)				Opponent Ngwevela, L (Luzuku)
2	2	Tournament SA Braille South 2023				Tournament SA Braille South 2023
		date 2023-03-18	rnd 3	type Standard	result 0.5	date 2023-03-19	rnd 4	type Standard	result 1
		Opponent Kriel, IM (Isabel Mare)				Opponent Scheepers, GP (George Philippus)
3	2	Tournament Marie Delport Memorial 2023				Tournament Marie Delport Memorial 2023
		date 2023-01-21	rnd 4	type Standard	result 1	date 2023-01-21	rnd 5	type Standard	result 1
		Opponent Van Der Westhuizen, L (Linli)				Opponent Rossouw, J (Joan)

#	Games	Start				End
1	2	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 3	type Rapid	result 1	date 2019-10-05	rnd 4	type Rapid	result 1
		Opponent Mare, I (Isabel)				Opponent Bronkhorst, J (Jo-Lize)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament South African Braille Open 2024				Tournament South African Braille Open 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Mfengu, Y (Yvonne)				Opponent Ngwevela, L (Luzuku)
2	2	Tournament Marie Delport Memorial 2023				Tournament Marie Delport Memorial 2023
		date 2023-01-21	rnd 4	type Standard	result 1	date 2023-01-21	rnd 5	type Standard	result 1
		Opponent Van Der Westhuizen, L (Linli)				Opponent Rossouw, J (Joan)
3	2	Tournament SA Braille 2022				Tournament SA Braille 2022
		date 2022-04-16	rnd 2	type Standard	result 1	date 2022-04-16	rnd 3	type Standard	result 1
		Opponent Scheepers, GP (George Philippus)				Opponent Conradie, AF (Abram)

#	Games	Start				End
1	3	Tournament South African Braille Open 2024				Tournament South African Braille Open 2024
		date 2024-03-09	rnd 3	type Standard	result 1	date 2024-03-09	rnd 5	type Standard	result 1
		Opponent Mfengu, Y (Yvonne)				Opponent Ngwevela, L (Luzuku)
2	2	Tournament Marie Delport Memorial 2023				Tournament Marie Delport Memorial 2023
		date 2023-01-21	rnd 4	type Standard	result 1	date 2023-01-21	rnd 5	type Standard	result 1
		Opponent Van Der Westhuizen, L (Linli)				Opponent Rossouw, J (Joan)
3	2	Tournament SA Braille 2022				Tournament SA Braille 2022
		date 2022-04-16	rnd 2	type Standard	result 1	date 2022-04-16	rnd 3	type Standard	result 1
		Opponent Scheepers, GP (George Philippus)				Opponent Conradie, AF (Abram)

#	Games	Start				End
1	2	Tournament Robertson Strategema 2019				Tournament Robertson Strategema 2019
		date 2019-10-05	rnd 3	type Rapid	result 1	date 2019-10-05	rnd 4	type Rapid	result 1
		Opponent Mare, I (Isabel)				Opponent Bronkhorst, J (Jo-Lize)

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	Rossouw ,J (Joan)	4	2	0	4	2	0	0	0	0	0	0	0
1	Rossouw ,J (Joan)	4	1114.7	1114.7	4	1102.1	1114.7	0	0	0	0	0	0
2	Neethling ,FJ (Francois Jacques)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
2	Neethling ,FJ (Francois Jacques)	3	1199	1057.3	3	1198.4	1057.3	0	0	0	0	0	0
3	Isaacs ,WS (William Samuel)	3	0	-425	3	0	-425	0	0	0	0	0	0
3	Isaacs ,WS (William Samuel)	3	1337.6	912.6	3	1356.7	912.6	0	0	0	0	0	0
4	Klue ,CR (Christiaan Reue)	3	0	-425	3	0	-425	0	0	0	0	0	0
4	Klue ,CR (Christiaan Reue)	3	1169.7	744.7	3	1167.3	744.7	0	0	0	0	0	0
5	Geyer ,D (David)	2	0	-425	2	0	-425	0	0	0	0	0	0
5	Geyer ,D (David)	2	1245.6	820.6	2	1244.8	820.6	0	0	0	0	0	0
6	Conradie ,AF (Abram Francois)	2	1	0	2	1	0	0	0	0	0	0	0
6	Conradie ,AF (Abram Francois)	2	1148.8	1148.8	2	1142.4	1148.8	0	0	0	0	0	0
7	Theunis ,DP (Desmond Philip)	2	1	0	2	1	0	0	0	0	0	0	0
7	Theunis ,DP (Desmond Philip)	2	1341.3	1341.3	2	1348.4	1341.3	0	0	0	0	0	0
8	Richter ,HL (Heinrich Lodewikus)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Richter ,HL (Heinrich Lodewikus)	2	1334.1	909.1	2	1330.3	909.1	0	0	0	0	0	0
9	Scheepers ,GP (George Philippus)	2	2	425	2	2	425	0	0	0	0	0	0
9	Scheepers ,GP (George Philippus)	2	1138.7	1563.7	2	1132.6	1563.7	0	0	0	0	0	0
10	Kriel ,IM (Isabel Mare)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
10	Kriel ,IM (Isabel Mare)	2	1070.8	1283.3	2	1062.4	1283.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Rahn, MC (Marlene Catherina)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms