Chess South Africa Ratings Database

PLAYER PAGE

Personal

Nevin, M (Mariaan)

Chess SA id

273044810

FIDE id

Date of birth

1973-06-16 (Adult)

Gender

Female

Region

Nelson Mandela Bay (ENM)

Citizen

RSA

Titles

CPA

Chess SA registered

Last active game

2022-09-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	931.6	1182	608.4	563.2
Raw rating	931.6	1182	608.4	563.2
Weighted rating	929.9	1177.1	608.4	563.2
Weighted performance	0	0	0	0
Floor	500	682	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	243.1	170.1	385.2	410.8
Highest rating	1603.3 2019-04-01	1766.1 2019-04-01	1200 2018-02-01	1200 2018-02-01
Highest raw rating	931.6 2024-03-01	1182 2024-03-01	609.2 2019-12-01	563.2 2024-03-01
Highest weighted rating	931.6 2024-11-01	1182 2024-11-01	609.2 2024-11-01	563.2 2024-11-01
Highest weighted performance	1603.3 2019-04-01	1766.1 2019-04-01	1200 2018-02-01	1200 2018-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	931.6	1182	608.4	563.2
Analysis
Rating	931.6	1182	608.4	563.2
Raw rating	931.6	1182	608.4	563.2
Weighted rating	929.9	1177.1	608.4
Weighted performance	0	0	0
K-factor	40	40	40	40
Floor	500	682	500	500
Max/Min rating change allowed	243.1	170.1	385.2	410.8
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	931.6	1182	608.4	563.2
New weighted rating	931	1180.3	608.4	563.2
New weighted performance	0	0	0	0
Temp new rating	931.6	1182	608.4	563.2
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	931.6	1182	608.4	563.2
New K-factor	40	40	40	40
New floor	500	682	500	500

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	4	0	4	0
	0	0	0	0
History	58	18	35	5

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	25	11	44	-51	1192.3	1141.3
Standard	6	5	83.33	283.3	1189.4	1472.8
Rapid	14	4	28.57	-182.1	1200.9	1018.8
Blitz	5	2	40	-85	1171.6	1086.6

Date	Main	Standard	Rapid	Blitz
2025-09-30	931.6	1182	608.4	563.2
2025-09-01	931.6	1182	608.4	563.2
2025-08-01	931.6	1182	608.4	563.2
2025-07-01	931.6	1182	608.4	563.2
2025-06-01	931.6	1182	608.4	563.2
2025-05-01	931.6	1182	608.4	563.2
2025-04-01	931.6	1182	608.4	563.2
2025-03-01	931.6	1182	608.4	563.2
2025-02-01	931.6	1182	608.4	563.2
2025-01-01	931.6	1182	608.4	563.2
2024-12-01	931.6	1182	608.4	563.2
2024-11-01	931.6	1182	608.4	563.2
2024-10-01	931.6	1182	608.4	563.2
2024-09-01	931.6	1182	608.4	563.2
2024-08-01	931.6	1182	608.4	563.2
2024-07-01	931.6	1182	608.4	563.2
2024-06-01	931.6	1182	608.4	563.2
2024-08-01	931.6	1182	608.4	563.2
2024-04-01	931.6	1182	608.4	563.2
2024-03-01	931.6	1182	608.4	563.2
2024-02-01	931.6	1182	608.4	563.2
2024-01-01	931.6	1182	608.4	563.2
2023-12-01	760.2	692.8	608.4	563.2
2023-11-01	760.2	692.8	608.4	563.2

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	PECC 20/20 2022	2022-09-01	2022-09-15	Rapid	Nelson Mandela Bay (ENM)	6	4	0	Yes	Analysis
2	Ulitmate Chess Open 2019 (Rapid B)	2019-11-30	2019-11-30	Rapid	Nelson Mandela Bay (ENM)	6	5	1.5	Yes	Analysis
3	Ulitmate Chess Open 2019 (Blitz B)	2019-11-30	2019-11-30	Blitz	Nelson Mandela Bay (ENM)	6	5	2	Yes	Analysis
4	Presidents Cup 2019	2019-04-11	2019-04-11	Standard	Nelson Mandela Bay (ENM)	5	1	1	Yes	Analysis
5	Ultimate Chess Open 2018 (D)	2018-12-01	2018-12-01	Standard	Nelson Mandela Bay (ENM)	5	5	4	Yes	Analysis
6	ACL Chess Festival 2018 (Rapid)	2018-10-07	2018-10-07	Rapid	Cape Town (WCT)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament Ultimate Chess Open 2018				Tournament Presidents Cup 2019
		date 2018-12-01	rnd 3	type Standard	result 1	date 2019-04-11	rnd 4	type Standard	result 1
		Opponent Muller, K (Kurt)				Opponent Jenecker, D (Deon)
2	3	Tournament ACL Chess Festival 2018				Tournament Ultimate Chess Open 2018
		date 2018-10-07	rnd 4	type Rapid	result 0.5	date 2018-12-01	rnd 1	type Standard	result 1
		Opponent Minnie, M (Murray)				Opponent Le Roux, R (Randall)
3	2	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 3	type Rapid	result 0.5	date 2019-11-30	rnd 4	type Rapid	result 1
		Opponent Spence, C (Chantelle)				Opponent Spence, K (Kayden)

#	Games	Start				End
1	4	Tournament Ultimate Chess Open 2018				Tournament Presidents Cup 2019
		date 2018-12-01	rnd 3	type Standard	result 1	date 2019-04-11	rnd 4	type Standard	result 1
		Opponent Muller, K (Kurt)				Opponent Jenecker, D (Deon)
2	1	Tournament Ultimate Chess Open 2018				Tournament Ultimate Chess Open 2018
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-01	rnd 1	type Standard	result 1
		Opponent Le Roux, R (Randall)				Opponent Le Roux, R (Randall)

#	Games	Start				End
1	2	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 3	type Rapid	result 0.5	date 2019-11-30	rnd 4	type Rapid	result 1
		Opponent Spence, C (Chantelle)				Opponent Spence, K (Kayden)
2	2	Tournament ACL Chess Festival 2018				Tournament ACL Chess Festival 2018
		date 2018-10-07	rnd 4	type Rapid	result 0.5	date 2018-10-07	rnd 5	type Rapid	result 1
		Opponent Minnie, M (Murray)				Opponent Deal, T (Trent)
3	1	Tournament ACL Chess Festival 2018				Tournament ACL Chess Festival 2018
		date 2018-10-07	rnd 2	type Rapid	result 1	date 2018-10-07	rnd 2	type Rapid	result 1
		Opponent Lee, M (Mixy)				Opponent Lee, M (Mixy)

#	Games	Start				End
1	2	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 2	type Blitz	result 1	date 2019-11-30	rnd 3	type Blitz	result 1
		Opponent Van Der Merwe, S (Sarah)				Opponent Spence, C (Chantelle)

#	Games	Start				End
1	4	Tournament Ultimate Chess Open 2018				Tournament Presidents Cup 2019
		date 2018-12-01	rnd 3	type Standard	result 1	date 2019-04-11	rnd 4	type Standard	result 1
		Opponent Muller, K (Kurt)				Opponent Jenecker, D (Deon)
2	2	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 2	type Blitz	result 1	date 2019-11-30	rnd 3	type Blitz	result 1
		Opponent Van Der Merwe, S (Sarah)				Opponent Spence, C (Chantelle)
3	2	Tournament ACL Chess Festival 2018				Tournament Ultimate Chess Open 2018
		date 2018-10-07	rnd 5	type Rapid	result 1	date 2018-12-01	rnd 1	type Standard	result 1
		Opponent Deal, T (Trent)				Opponent Le Roux, R (Randall)

#	Games	Start				End
1	4	Tournament Ultimate Chess Open 2018				Tournament Presidents Cup 2019
		date 2018-12-01	rnd 3	type Standard	result 1	date 2019-04-11	rnd 4	type Standard	result 1
		Opponent Muller, K (Kurt)				Opponent Jenecker, D (Deon)
2	1	Tournament Ultimate Chess Open 2018				Tournament Ultimate Chess Open 2018
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-01	rnd 1	type Standard	result 1
		Opponent Le Roux, R (Randall)				Opponent Le Roux, R (Randall)

#	Games	Start				End
1	1	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 4	type Rapid	result 1	date 2019-11-30	rnd 4	type Rapid	result 1
		Opponent Spence, K (Kayden)				Opponent Spence, K (Kayden)
2	1	Tournament ACL Chess Festival 2018				Tournament ACL Chess Festival 2018
		date 2018-10-07	rnd 5	type Rapid	result 1	date 2018-10-07	rnd 5	type Rapid	result 1
		Opponent Deal, T (Trent)				Opponent Deal, T (Trent)
3	1	Tournament ACL Chess Festival 2018				Tournament ACL Chess Festival 2018
		date 2018-10-07	rnd 2	type Rapid	result 1	date 2018-10-07	rnd 2	type Rapid	result 1
		Opponent Lee, M (Mixy)				Opponent Lee, M (Mixy)

#	Games	Start				End
1	2	Tournament Ulitmate Chess Open 2019				Tournament Ulitmate Chess Open 2019
		date 2019-11-30	rnd 2	type Blitz	result 1	date 2019-11-30	rnd 3	type Blitz	result 1
		Opponent Van Der Merwe, S (Sarah)				Opponent Spence, C (Chantelle)

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	Spence ,C (Chantelle)	2	1.5	212.5	0	0	0	1	0.5	0	1	1	425
1	Spence ,C (Chantelle)	2	1049.5	1262	0	0	0	1	1132	1049.5	1	1200	1474.5
2	Muller ,K (Kurt)	1	1	425	1	1	425	0	0	0	0	0	0
2	Muller ,K (Kurt)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Jenecker ,D (Deon)	1	1	425	1	1	425	0	0	0	0	0	0
3	Jenecker ,D (Deon)	1	1563.1	1988.1	1	1560.9	1988.1	0	0	0	0	0	0
4	Le Roux ,R (Randall)	1	1	425	1	1	425	0	0	0	0	0	0
4	Le Roux ,R (Randall)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Kivido ,D (Dean)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kivido ,D (Dean)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Van Der Merwe ,L (Lucas)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Van Der Merwe ,L (Lucas)	1	1323.5	898.5	0	0	0	1	881.4	898.5	0	0	0
7	Jenecker ,J (Jayden)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Jenecker ,J (Jayden)	1	1350.2	925.2	0	0	0	1	1192	925.2	0	0	0
8	Spence ,K (Kayden)	1	1	425	0	0	0	1	1	425	0	0	0
8	Spence ,K (Kayden)	1	1236.7	1661.7	0	0	0	1	831.6	1661.7	0	0	0
9	Swartbooi ,K (Khanya)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Swartbooi ,K (Khanya)	1	1262.9	837.9	0	0	0	1	860.2	837.9	0	0	0
10	Robertson ,H (Hiram)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Robertson ,H (Hiram)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Nevin, M (Mariaan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms