Chess South Africa Ratings Database

PLAYER PAGE

Personal

Cossa, S (Shelton)

Chess SA id

1050306554

FIDE id

Date of birth

2005-01-05 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-10-05

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1211.8	1207.6	1154.5	1200
Raw rating	1211.8	1207.6	1154.5	1200
Weighted rating	1208.1	1206.7	1147.9	1200
Weighted performance	0	0	0	0
Floor	711.8	707.6	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	163.1	164	176.9	165.8
Highest rating	1211.8 2024-12-01	1240.7 2024-07-01	1200 2024-07-01	1200 2024-07-01
Highest raw rating	1211.8 2024-12-01	1207.6 2024-08-01	1200 2024-07-01	1200 2024-07-01
Highest weighted rating	1206.3 2025-08-01	1207.6 2024-10-01	1200 2024-07-01	1200 2024-07-01
Highest weighted performance	1209.1 2024-10-01	1240.7 2024-07-01	1200 2024-12-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1211.8	1207.6	1154.5	1200
Analysis
Rating	1211.8	1207.6	1154.5	1200
Raw rating	1211.8	1207.6	1154.5	1200
Weighted rating	1208.1	1206.7	1147.9
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	711.8	707.6	700	700
Max/Min rating change allowed	163.1	164	176.9	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	1211.8	1207.6	1154.5	1200
New weighted rating	1208.7	1206.9	1147.7	1200
New weighted performance	0	0	0	0
Temp new rating	1211.8	1207.6	1154.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1211.8	1207.6	1154.5	1200
New K-factor	36	36	36	36
New floor	711.8	707.6	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	21	4	17
	0	0	0
	0	0	0
	0	0	0
History	21	4	17

Games since
	Main 21	Standard 4		Rapid 17		Blitz 0
Gender	Male
Age group	Adult
Region	Sedibeng (GSV)
Province	Gauteng (GT)
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	21	7.5	35.71	-121.4	1341.2	1219.8
Standard	4	1.5	37.5	-106.2	1347.1	1240.8
Rapid	17	6	35.29	-125	1339.9	1214.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1211.8	1207.6	1154.5	1200
2025-09-30	1211.8	1207.6	1154.5	1200
2025-09-01	1211.8	1207.6	1154.5	1200
2025-08-01	1211.8	1207.6	1154.5	1200
2025-07-01	1211.8	1207.6	1154.5	1200
2025-06-01	1211.8	1207.6	1154.5	1200
2025-05-01	1211.8	1207.6	1154.5	1200
2025-04-01	1211.8	1207.6	1154.5	1200
2025-03-01	1211.8	1207.6	1154.5	1200
2025-02-01	1211.8	1207.6	1151.9	1200
2025-01-01	1211.8	1207.6	1097.2	1200
2024-12-01	1211.8	1207.6	1097.2	1200
2024-11-01	1211.8	1207.6	1097.2	1200
2024-10-01	1189.4	1207.6	1109.2	1200
2024-09-01	1189.4	1207.6	1109.2	1200
2024-08-01	1189.4	1207.6	1109.2	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	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	Gauteng Top Schools 2024 (U19 Open)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	2	Yes	Analysis
2	Evaton Primary Open 20 July 2024 (B)	2024-07-20	2024-07-20	Rapid	Sedibeng (GSV)	5	5	3	Yes	Analysis
3	EN Chess Club Winter Open 2024 (B)	2024-06-29	2024-06-29	Standard	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis
4	Midvaal Winter Classic 13 July 2024 (B)	2024-07-13	2024-07-13	Rapid	Sedibeng (GSV)	7	7	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Tom, N (Naledi)				Opponent Mokoena, T (Tshepang)
2	2	Tournament Evaton Primary Open 20 July 2024				Tournament Evaton Primary Open 20 July 2024
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 2	type Rapid	result 1
		Opponent Mahobo, M (Mpumelelo)				Opponent Ralebenya, L (Lebenya)
3	2	Tournament EN Chess Club Winter Open 2024				Tournament EN Chess Club Winter Open 2024
		date 2024-06-29	rnd 3	type Standard	result 0.5	date 2024-06-29	rnd 4	type Standard	result 1
		Opponent Moyo, M (Melusi)				Opponent Ambrose, V (Valentino)

#	Games	Start				End
1	2	Tournament EN Chess Club Winter Open 2024				Tournament EN Chess Club Winter Open 2024
		date 2024-06-29	rnd 3	type Standard	result 0.5	date 2024-06-29	rnd 4	type Standard	result 1
		Opponent Moyo, M (Melusi)				Opponent Ambrose, V (Valentino)

#	Games	Start				End
1	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Tom, N (Naledi)				Opponent Mokoena, T (Tshepang)
2	2	Tournament Evaton Primary Open 20 July 2024				Tournament Evaton Primary Open 20 July 2024
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 2	type Rapid	result 1
		Opponent Mahobo, M (Mpumelelo)				Opponent Ralebenya, L (Lebenya)
3	1	Tournament Evaton Primary Open 20 July 2024				Tournament Evaton Primary Open 20 July 2024
		date 2024-07-20	rnd 5	type Rapid	result 1	date 2024-07-20	rnd 5	type Rapid	result 1
		Opponent Hlumbane, P (Pusetso)				Opponent Hlumbane, P (Pusetso)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Tom, N (Naledi)				Opponent Mokoena, T (Tshepang)
2	2	Tournament Evaton Primary Open 20 July 2024				Tournament Evaton Primary Open 20 July 2024
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 2	type Rapid	result 1
		Opponent Mahobo, M (Mpumelelo)				Opponent Ralebenya, L (Lebenya)
3	1	Tournament Evaton Primary Open 20 July 2024				Tournament Evaton Primary Open 20 July 2024
		date 2024-07-20	rnd 5	type Rapid	result 1	date 2024-07-20	rnd 5	type Rapid	result 1
		Opponent Hlumbane, P (Pusetso)				Opponent Hlumbane, P (Pusetso)

#	Games	Start				End
1	1	Tournament EN Chess Club Winter Open 2024				Tournament EN Chess Club Winter Open 2024
		date 2024-06-29	rnd 4	type Standard	result 1	date 2024-06-29	rnd 4	type Standard	result 1
		Opponent Ambrose, V (Valentino)				Opponent Ambrose, V (Valentino)

#	Games	Start				End
1	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 4	type Rapid	result 1	date 2024-10-05	rnd 5	type Rapid	result 1
		Opponent Tom, N (Naledi)				Opponent Mokoena, T (Tshepang)
2	2	Tournament Evaton Primary Open 20 July 2024				Tournament Evaton Primary Open 20 July 2024
		date 2024-07-20	rnd 1	type Rapid	result 1	date 2024-07-20	rnd 2	type Rapid	result 1
		Opponent Mahobo, M (Mpumelelo)				Opponent Ralebenya, L (Lebenya)
3	1	Tournament Evaton Primary Open 20 July 2024				Tournament Evaton Primary Open 20 July 2024
		date 2024-07-20	rnd 5	type Rapid	result 1	date 2024-07-20	rnd 5	type Rapid	result 1
		Opponent Hlumbane, P (Pusetso)				Opponent Hlumbane, P (Pusetso)

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	Robinson ,R (Rhys David)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Robinson ,R (Rhys David)	1	1384.7	959.7	1	1395	959.7	0	0	0	0	0	0
2	Ambrose ,V (Valentino)	1	1	425	1	1	425	0	0	0	0	0	0
2	Ambrose ,V (Valentino)	1	1276.2	1701.2	1	1304.8	1701.2	0	0	0	0	0	0
3	Moyo ,M (Melusi)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Moyo ,M (Melusi)	1	1235.5	1235.5	1	1232.8	1235.5	0	0	0	0	0	0
4	Ambrose ,I (Isabella)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Ambrose ,I (Isabella)	1	1492.1	1067.1	1	1458.8	1067.1	0	0	0	0	0	0
5	Van Heerden ,D (Derick)	1	1	425	0	0	0	1	1	425	0	0	0
5	Van Heerden ,D (Derick)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
6	Fakude ,S (Samuel)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Fakude ,S (Samuel)	1	1200	775	0	0	0	1	1200	775	0	0	0
7	Mcpherson ,N (Naleli)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Mcpherson ,N (Naleli)	1	1550.5	1125.5	0	0	0	1	1177.6	1125.5	0	0	0
8	Pitso ,K (Katleho)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Pitso ,K (Katleho)	1	1357.6	932.6	0	0	0	1	1200	932.6	0	0	0
9	Mahobo ,M (Mpumelelo)	1	1	425	0	0	0	1	1	425	0	0	0
9	Mahobo ,M (Mpumelelo)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Dliwayo ,T (Thabo)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Dliwayo ,T (Thabo)	1	1200	775	0	0	0	1	1200	775	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Cossa, S (Shelton)

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