Chess South Africa Ratings Database

PLAYER PAGE

Personal

Gribble, M (Marlang)

Chess SA id

104078012

FIDE id

Date of birth

2004-05-26 (Adult)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2021-04-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1101.2	1056	1157.6	1196
Raw rating	1101.2	1056	1157.6	1196
Weighted rating	1101.2	1056	1157.6	1196
Weighted performance	292.9	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	190.9	203.6	176.1	166.8
Highest rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-02-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2020-01-01	1200 2018-02-01
Highest weighted rating	1200 2018-02-01	1200 2018-02-01	1200 2018-10-01	1200 2018-02-01
Highest weighted performance	1200 2024-12-01	1200 2018-02-01	1200 2020-01-01	1200 2024-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1101.2	1056	1157.6	1196
Analysis
Rating	1101.2	1056	1157.6	1196
Raw rating	1101.2	1056	1157.6	1196
Weighted rating	1101.2	1056	1157.6
Weighted performance	292.9	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	190.9	203.6	176.1	166.8
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	1101.2	1056	1157.6	1196
New weighted rating	1101.2	1056	1157.6	1196
New weighted performance	286.5	0	0	0
Temp new rating	1101.2	1056	1157.6	1196
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1101.2	1056	1157.6	1196
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	0	0	0	0
	6	0	6	0
History	48	18	21	9

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-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	33	14	42.42	-64.4	1127.3	1062.9
Standard	13	4	30.77	-163.5	1064.8	901.3
Rapid	11	5	45.45	-38.6	1195.8	1157.2
Blitz	9	5	55.56	47.2	1133.9	1181.1

Date	Main	Standard	Rapid	Blitz
2025-11-01	1101.2	1056	1157.6	1196
2025-09-30	1101.2	1056	1157.6	1196
2025-09-01	1101.2	1056	1157.6	1196
2025-08-01	1101.2	1056	1157.6	1196
2025-07-01	1101.2	1056	1157.6	1196
2025-06-01	1101.2	1056	1157.6	1196
2025-05-01	1101.2	1056	1157.6	1196
2025-04-01	1101.2	1056	1157.6	1196
2025-03-01	1101.2	1056	1157.6	1196
2025-02-01	1101.2	1056	1157.6	1196
2025-01-01	1101.2	1056	1157.6	1196
2024-12-01	1101.2	1056	1157.6	1196
2024-11-01	1101.2	1056	1157.6	1196
2024-10-01	1101.2	1056	1157.6	1196
2024-09-01	1101.2	1056	1157.6	1196
2024-08-01	1101.2	1056	1157.6	1196
2024-07-01	1101.2	1056	1157.6	1196
2024-09-01	1101.2	1056	1157.6	1196
2024-05-01	1101.2	1056	1157.6	1196
2024-04-01	1101.2	1056	1157.6	1196
2024-03-01	1101.2	1056	1157.6	1196
2024-02-01	1101.2	1056	1157.6	1196
2024-01-01	1101.2	1056	1157.6	1196
2023-12-01	1101.2	1056	1157.6	1196

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	Lower West Coast 2021 (U18 Boys)	2021-04-10	2021-04-10	Rapid	West Coast (WCU)	5	1	0	Yes	Analysis
2	Lower West Coast 2021 (U18 Boys)	2021-04-10	2021-04-10	Rapid	West Coast (WCU)	5	5	3	Yes	Analysis
3	Back to School Rapid 2020 (Boys)	2020-02-01	2020-02-01	Rapid	West Coast (WCU)	5	5	2	Yes	Analysis
4	Woman`s Month Blitz Tournament 2018 (U14+U16)	2018-08-11	2018-08-11	Blitz	West Coast (WCU)	5	5	3	Yes	Analysis
5	Western Cape Top Schools 2018 (U15 Mix)	2018-08-25	2018-08-26	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
6	Development Tournament 2018	2018-04-04	2018-04-04	Standard	West Coast (WCU)	5	2	0	Yes	Analysis
7	West Coast Schools Prestige Individual Championship 2018 (U15 Boys)	2018-03-10	2018-03-24	Standard	West Coast (WCU)	6	6	1	Yes	Analysis
8	Mykonos Blitz U8 (U14+U16)	2018-02-04	2018-02-04	Blitz	West Coast (WCU)	5	4	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-26	rnd 5	type Standard	result 1
		Opponent Andrews, L (Luan)				Opponent Newman, J (Johandre)
2	3	Tournament Woman`s Month Blitz Tournament 2018				Tournament Woman`s Month Blitz Tournament 2018
		date 2018-08-11	rnd 2	type Blitz	result 1	date 2018-08-11	rnd 4	type Blitz	result 1
		Opponent Billet, E (Ethan)				Opponent Minnaar, E (Ethan)
3	3	Tournament Mykonos Blitz U8				Tournament West Coast Schools Prestige Individual Championship 2018
		date 2018-02-04	rnd 4	type Blitz	result 1	date 2018-03-10	rnd 1	type Standard	result 1
		Opponent Hogan, L (Lee)				Opponent Van Rooyen, D (Deyelroy)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-26	rnd 5	type Standard	result 1
		Opponent Andrews, L (Luan)				Opponent Newman, J (Johandre)
2	1	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament West Coast Schools Prestige Individual Championship 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-03-10	rnd 1	type Standard	result 1
		Opponent Van Rooyen, D (Deyelroy)				Opponent Van Rooyen, D (Deyelroy)

#	Games	Start				End
1	2	Tournament Back to School Rapid 2020				Tournament Back to School Rapid 2020
		date 2020-02-01	rnd 2	type Rapid	result 1	date 2020-02-01	rnd 3	type Rapid	result 1
		Opponent Barnard, X (Xander)				Opponent Duiker, P (Phillip)
2	1	Tournament Lower West Coast 2021				Tournament Lower West Coast 2021
		date 2021-04-10	rnd 5	type Rapid	result 1	date 2021-04-10	rnd 5	type Rapid	result 1
		Opponent Boois, C (Conzay)				Opponent Boois, C (Conzay)
3	1	Tournament Lower West Coast 2021				Tournament Lower West Coast 2021
		date 2021-04-10	rnd 3	type Rapid	result 1	date 2021-04-10	rnd 3	type Rapid	result 1
		Opponent Klein, I (Irwin)				Opponent Klein, I (Irwin)

#	Games	Start				End
1	3	Tournament Woman`s Month Blitz Tournament 2018				Tournament Woman`s Month Blitz Tournament 2018
		date 2018-08-11	rnd 2	type Blitz	result 1	date 2018-08-11	rnd 4	type Blitz	result 1
		Opponent Billet, E (Ethan)				Opponent Minnaar, E (Ethan)
2	2	Tournament Mykonos Blitz U8				Tournament Mykonos Blitz U8
		date 2018-02-04	rnd 4	type Blitz	result 1	date 2018-02-04	rnd 5	type Blitz	result 1
		Opponent Hogan, L (Lee)				Opponent Visagie, C (Cowan)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-26	rnd 5	type Standard	result 1
		Opponent Andrews, L (Luan)				Opponent Newman, J (Johandre)
2	3	Tournament Woman`s Month Blitz Tournament 2018				Tournament Woman`s Month Blitz Tournament 2018
		date 2018-08-11	rnd 2	type Blitz	result 1	date 2018-08-11	rnd 4	type Blitz	result 1
		Opponent Billet, E (Ethan)				Opponent Minnaar, E (Ethan)
3	3	Tournament Mykonos Blitz U8				Tournament West Coast Schools Prestige Individual Championship 2018
		date 2018-02-04	rnd 4	type Blitz	result 1	date 2018-03-10	rnd 1	type Standard	result 1
		Opponent Hogan, L (Lee)				Opponent Van Rooyen, D (Deyelroy)

#	Games	Start				End
1	3	Tournament Western Cape Top Schools 2018				Tournament Western Cape Top Schools 2018
		date 2018-08-25	rnd 3	type Standard	result 1	date 2018-08-26	rnd 5	type Standard	result 1
		Opponent Andrews, L (Luan)				Opponent Newman, J (Johandre)
2	1	Tournament West Coast Schools Prestige Individual Championship 2018				Tournament West Coast Schools Prestige Individual Championship 2018
		date 2018-03-10	rnd 1	type Standard	result 1	date 2018-03-10	rnd 1	type Standard	result 1
		Opponent Van Rooyen, D (Deyelroy)				Opponent Van Rooyen, D (Deyelroy)

#	Games	Start				End
1	2	Tournament Back to School Rapid 2020				Tournament Back to School Rapid 2020
		date 2020-02-01	rnd 2	type Rapid	result 1	date 2020-02-01	rnd 3	type Rapid	result 1
		Opponent Barnard, X (Xander)				Opponent Duiker, P (Phillip)
2	1	Tournament Lower West Coast 2021				Tournament Lower West Coast 2021
		date 2021-04-10	rnd 5	type Rapid	result 1	date 2021-04-10	rnd 5	type Rapid	result 1
		Opponent Boois, C (Conzay)				Opponent Boois, C (Conzay)
3	1	Tournament Lower West Coast 2021				Tournament Lower West Coast 2021
		date 2021-04-10	rnd 3	type Rapid	result 1	date 2021-04-10	rnd 3	type Rapid	result 1
		Opponent Klein, I (Irwin)				Opponent Klein, I (Irwin)

#	Games	Start				End
1	3	Tournament Woman`s Month Blitz Tournament 2018				Tournament Woman`s Month Blitz Tournament 2018
		date 2018-08-11	rnd 2	type Blitz	result 1	date 2018-08-11	rnd 4	type Blitz	result 1
		Opponent Billet, E (Ethan)				Opponent Minnaar, E (Ethan)
2	2	Tournament Mykonos Blitz U8				Tournament Mykonos Blitz U8
		date 2018-02-04	rnd 4	type Blitz	result 1	date 2018-02-04	rnd 5	type Blitz	result 1
		Opponent Hogan, L (Lee)				Opponent Visagie, C (Cowan)

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	Lesch ,K (Keano)	3	1	-141.7	0	0	0	2	1	0	1	0	-425
1	Lesch ,K (Keano)	3	1041.7	900.1	0	0	0	2	1019.4	1041.7	1	873.8	616.7
2	Schroeder ,C (Carl)	2	0	-425	1	0	-425	0	0	0	1	0	-425
2	Schroeder ,C (Carl)	2	1118.7	693.7	1	1165.6	693.7	0	0	0	1	1160.4	693.7
3	Minnaar ,E (Ethan)	2	1	0	0	0	0	1	0	-425	1	1	425
3	Minnaar ,E (Ethan)	2	1191.3	1191.3	0	0	0	1	1346.2	766.3	1	921.4	1616.3
4	Jacobs ,D (Duwayne)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Jacobs ,D (Duwayne)	1	1203.9	778.9	1	1200	778.9	0	0	0	0	0	0
5	Rootman ,J (Jakes)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Rootman ,J (Jakes)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Van Wyk ,L (Layron)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Van Wyk ,L (Layron)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Simons ,G (Garin)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Simons ,G (Garin)	1	1195.4	770.4	1	1194.4	770.4	0	0	0	0	0	0
8	Van Rooyen ,D (Deyelroy)	1	1	425	1	1	425	0	0	0	0	0	0
8	Van Rooyen ,D (Deyelroy)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Newman ,J (Johandre)	1	1	425	1	1	425	0	0	0	0	0	0
9	Newman ,J (Johandre)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Brooks ,L (Lehane)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Brooks ,L (Lehane)	1	1239.5	814.5	1	1240	814.5	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

Gribble, M (Marlang)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms