Chess South Africa Ratings Database

PLAYER PAGE

Personal

Cotton, R (Robbie)

Chess SA id

1110160154

FIDE id

Date of birth

2011-04-11 (U16)

Gender

Male

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1209	1200	1220.9	1200
Raw rating	1209	1200	1220.9	1200
Weighted rating	1209	1200	1220.9	1200
Weighted performance	0	0	0	0
Floor	709	700	720.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.7	165.8	161	165.8
Highest rating	1238.4 2023-08-01	1200 2018-10-01	1292.7 2023-08-01	1200 2018-10-01
Highest raw rating	1209 2024-03-01	1200 2024-03-01	1220.9 2024-03-01	1200 2024-03-01
Highest weighted rating	1209 2025-07-01	1200 2018-10-01	1220.9 2025-07-01	1200 2018-10-01
Highest weighted performance	1238.4 2023-08-01	1200 2024-03-01	1292.7 2023-08-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1209	1200	1220.9	1200
Analysis
Rating	1209	1200	1220.9	1200
Raw rating	1209	1200	1220.9	1200
Weighted rating	1209	1200	1220.9
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	709	700	720.9	700
Max/Min rating change allowed	163.7	165.8	161	165.8
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	1209	1200	1220.9	1200
New weighted rating	1209	1200	1220.9	1200
New weighted performance	0	0	0	0
Temp new rating	1209	1200	1220.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1209	1200	1220.9	1200
New K-factor	36	36	36	36
New floor	709	700	720.9	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	5	5
	0	0
	0	0
History	5	5

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	5	3	60	85	1217.2	1302.2
Standard	0	0	0	0	0	0
Rapid	5	3	60	85	1217.2	1302.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1209	1200	1220.9	1200
2025-09-30	1209	1200	1220.9	1200
2025-09-01	1209	1200	1220.9	1200
2025-08-01	1209	1200	1220.9	1200
2025-07-01	1209	1200	1220.9	1200
2025-06-01	1209	1200	1220.9	1200
2025-05-01	1209	1200	1220.9	1200
2025-04-01	1209	1200	1220.9	1200
2025-03-01	1209	1200	1220.9	1200
2025-02-01	1209	1200	1220.9	1200
2025-01-01	1209	1200	1220.9	1200
2024-12-01	1209	1200	1220.9	1200
2024-11-01	1209	1200	1220.9	1200
2024-10-01	1209	1200	1220.9	1200
2024-09-01	1209	1200	1220.9	1200
2024-08-01	1209	1200	1220.9	1200
2024-07-01	1209	1200	1220.9	1200
2024-09-01	1209	1200	1220.9	1200
2024-05-01	1209	1200	1220.9	1200
2024-04-01	1209	1200	1220.9	1200
2024-03-01	1209	1200	1220.9	1200
2024-02-01	1209	1200	1220.9	1200
2024-01-01	1209	1200	1220.9	1200
2023-12-01	1209	1200	1220.9	1200

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	August Primary School Chess Festival 2023 (Grade 6+7 B)	2023-08-04	2023-08-04	Rapid	Mangaung (FMB)	5	5	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 4	type Rapid	result 1	date 2023-08-04	rnd 5	type Rapid	result 1
		Opponent Booysen, H (Herman)				Opponent Pitso, S (Siphosethu)
2	1	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 1	type Rapid	result 1	date 2023-08-04	rnd 1	type Rapid	result 1
		Opponent Mandyalana, U (Unathi)				Opponent Mandyalana, U (Unathi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 4	type Rapid	result 1	date 2023-08-04	rnd 5	type Rapid	result 1
		Opponent Booysen, H (Herman)				Opponent Pitso, S (Siphosethu)
2	1	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 1	type Rapid	result 1	date 2023-08-04	rnd 1	type Rapid	result 1
		Opponent Mandyalana, U (Unathi)				Opponent Mandyalana, U (Unathi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 4	type Rapid	result 1	date 2023-08-04	rnd 5	type Rapid	result 1
		Opponent Booysen, H (Herman)				Opponent Pitso, S (Siphosethu)
2	1	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 1	type Rapid	result 1	date 2023-08-04	rnd 1	type Rapid	result 1
		Opponent Mandyalana, U (Unathi)				Opponent Mandyalana, U (Unathi)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 4	type Rapid	result 1	date 2023-08-04	rnd 5	type Rapid	result 1
		Opponent Booysen, H (Herman)				Opponent Pitso, S (Siphosethu)
2	1	Tournament August Primary School Chess Festival 2023				Tournament August Primary School Chess Festival 2023
		date 2023-08-04	rnd 1	type Rapid	result 1	date 2023-08-04	rnd 1	type Rapid	result 1
		Opponent Mandyalana, U (Unathi)				Opponent Mandyalana, U (Unathi)

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	Booysen ,H (Herman)	1	1	425	0	0	0	1	1	425	0	0	0
1	Booysen ,H (Herman)	1	1181.9	1606.9	0	0	0	1	1200	1606.9	0	0	0
2	Mandyalana ,U (Unathi)	1	1	425	0	0	0	1	1	425	0	0	0
2	Mandyalana ,U (Unathi)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
3	Els ,R (Ruben)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Els ,R (Ruben)	1	1303.9	878.9	0	0	0	1	1232	878.9	0	0	0
4	Pitso ,S (Siphosethu)	1	1	425	0	0	0	1	1	425	0	0	0
4	Pitso ,S (Siphosethu)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
5	Moosa ,S (Saarah Bibi)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Moosa ,S (Saarah Bibi)	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

Cotton, R (Robbie)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms