Chess South Africa Ratings Database

PLAYER PAGE

Personal

Mahadeo, S (Sebastian)

Chess SA id

1830133005

FIDE id

Date of birth

1983-07-10 (Adult)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1183.5	1180.9	1300	1300
Raw rating	1172	1167.2	1300	1300
Weighted rating	1183.5	1180.9	1299	1299
Weighted performance	0	0	0	0
Floor	700	700	800	800
K-factor	36	36	36	36
Min/Max rating change allowed	172.6	173.7	143.8	143.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1300 2024-02-01	1300 2024-02-01
Highest raw rating	1200 2020-01-01	1200 2020-01-01	1300 2024-02-01	1300 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1296.7 2025-08-01	1296.7 2025-08-01
Highest weighted performance	1200 2020-01-01	1200 2020-01-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.9	-1.1	0	0
New rating	1182.6	1179.8	1300	1300
Analysis
Rating	1183.5	1180.9	1300	1300
Raw rating	1172	1167.2	1300	1300
Weighted rating	1183.5	1180.9	1299
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	800	800
Max/Min rating change allowed	172.6	173.7	143.8	143.8
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	1172	1167.2	1300	1300
New weighted rating	1182.6	1179.8	1299.7	1299.7
New weighted performance	0	0	0	0
Temp new rating	1182.6	1179.8	1300	1300
Temp new rating +/-	-0.9	-1.1	0	0
Final new rating +/-	-0.9	-1.1	0	0
New rating	1182.6	1179.8	1300	1300
New K-factor	36	36	36	36
New floor	700	700	800	800

Item	Main	Standard
	0	0
	4	4
	0	0
	0	0
	0	0
	0	0
History	12	12

Games since
	Main 4	Standard 4		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
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	4	1	25	-212.5	1321.3	1108.8
Standard	4	1	25	-212.5	1321.3	1108.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	12	4	33.33	-141.7	1259.4	1117.7
Standard	12	4	33.33	-141.7	1259.4	1117.7
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1172	1167.2	1300	1300
2025-09-01	1172	1167.2	1300	1300
2025-08-01	1185.8	1183.6	1300	1300
2025-07-01	1185.8	1183.6	1300	1300
2025-06-01	1185.8	1183.6	1300	1300
2025-05-01	1185.8	1183.6	1300	1300
2025-04-01	1185.8	1183.6	1300	1300
2025-03-01	1185.8	1183.6	1300	1300
2025-02-01	1185.8	1183.6	1300	1300
2025-01-01	1185.8	1183.6	1300	1300
2024-12-01	1185.8	1183.6	1300	1300
2024-11-01	1185.8	1183.6	1300	1300
2024-10-01	1185.8	1183.6	1300	1300
2024-09-01	1185.8	1183.6	1300	1300
2024-08-01	1185.8	1183.6	1300	1300
2024-07-01	1185.8	1183.6	1300	1300
2024-06-01	1185.8	1183.6	1300	1300
2024-08-01	1185.8	1183.6	1300	1300
2024-04-01	1185.8	1183.6	1300	1300
2024-03-01	1185.8	1183.6	1300	1300
2024-02-01	1185.8	1183.6	1300	1300
2024-01-01	1185.8	1183.6	1300	1300
2023-12-01	1170.4	1168.8	1200	1200
2023-11-01	1170.4	1168.8	1200	1200

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	The North Coast Open 2025 (Adult)	2025-08-09	2025-08-09	Standard	iLembe (KIK)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	The North Coast Open 2025 (Adult)	2025-08-09	2025-08-09	Standard	iLembe (KIK)	5	4	1	Yes	Analysis
2	2020 Moss Kolnik Memorial Swiss	2020-01-16	2020-03-05	Standard	Ethekwini (KED)	8	8	3	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2020 Moss Kolnik Memorial Swiss				Tournament 2020 Moss Kolnik Memorial Swiss
		date 2020-02-20	rnd 6	type Standard	result 1	date 2020-02-27	rnd 7	type Standard	result 1
		Opponent Munthree, J (Juanathan)				Opponent Seebran, N (Nitesh)
2	1	Tournament The North Coast Open 2025				Tournament The North Coast Open 2025
		date 2025-08-09	rnd 1	type Standard	result 1	date 2025-08-09	rnd 1	type Standard	result 1
		Opponent Wilson, D (Dave)				Opponent Wilson, D (Dave)
3	1	Tournament 2020 Moss Kolnik Memorial Swiss				Tournament 2020 Moss Kolnik Memorial Swiss
		date 2020-01-30	rnd 3	type Standard	result 1	date 2020-01-30	rnd 3	type Standard	result 1
		Opponent Maharaj, A (Abhishek)				Opponent Maharaj, A (Abhishek)

#	Games	Start				End
1	2	Tournament 2020 Moss Kolnik Memorial Swiss				Tournament 2020 Moss Kolnik Memorial Swiss
		date 2020-02-20	rnd 6	type Standard	result 1	date 2020-02-27	rnd 7	type Standard	result 1
		Opponent Munthree, J (Juanathan)				Opponent Seebran, N (Nitesh)
2	1	Tournament The North Coast Open 2025				Tournament The North Coast Open 2025
		date 2025-08-09	rnd 1	type Standard	result 1	date 2025-08-09	rnd 1	type Standard	result 1
		Opponent Wilson, D (Dave)				Opponent Wilson, D (Dave)
3	1	Tournament 2020 Moss Kolnik Memorial Swiss				Tournament 2020 Moss Kolnik Memorial Swiss
		date 2020-01-30	rnd 3	type Standard	result 1	date 2020-01-30	rnd 3	type Standard	result 1
		Opponent Maharaj, A (Abhishek)				Opponent Maharaj, A (Abhishek)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2020 Moss Kolnik Memorial Swiss				Tournament 2020 Moss Kolnik Memorial Swiss
		date 2020-02-20	rnd 6	type Standard	result 1	date 2020-02-27	rnd 7	type Standard	result 1
		Opponent Munthree, J (Juanathan)				Opponent Seebran, N (Nitesh)
2	1	Tournament The North Coast Open 2025				Tournament The North Coast Open 2025
		date 2025-08-09	rnd 1	type Standard	result 1	date 2025-08-09	rnd 1	type Standard	result 1
		Opponent Wilson, D (Dave)				Opponent Wilson, D (Dave)
3	1	Tournament 2020 Moss Kolnik Memorial Swiss				Tournament 2020 Moss Kolnik Memorial Swiss
		date 2020-01-30	rnd 3	type Standard	result 1	date 2020-01-30	rnd 3	type Standard	result 1
		Opponent Maharaj, A (Abhishek)				Opponent Maharaj, A (Abhishek)

#	Games	Start				End
1	2	Tournament 2020 Moss Kolnik Memorial Swiss				Tournament 2020 Moss Kolnik Memorial Swiss
		date 2020-02-20	rnd 6	type Standard	result 1	date 2020-02-27	rnd 7	type Standard	result 1
		Opponent Munthree, J (Juanathan)				Opponent Seebran, N (Nitesh)
2	1	Tournament The North Coast Open 2025				Tournament The North Coast Open 2025
		date 2025-08-09	rnd 1	type Standard	result 1	date 2025-08-09	rnd 1	type Standard	result 1
		Opponent Wilson, D (Dave)				Opponent Wilson, D (Dave)
3	1	Tournament 2020 Moss Kolnik Memorial Swiss				Tournament 2020 Moss Kolnik Memorial Swiss
		date 2020-01-30	rnd 3	type Standard	result 1	date 2020-01-30	rnd 3	type Standard	result 1
		Opponent Maharaj, A (Abhishek)				Opponent Maharaj, A (Abhishek)

No games found.

#	Games	Start				End

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	Seebran ,N (Nitesh)	1	1	425	1	1	425	0	0	0	0	0	0
1	Seebran ,N (Nitesh)	1	1189	1614	1	1150.4	1614	0	0	0	0	0	0
2	Reddy ,T (Thacian)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Reddy ,T (Thacian)	1	1416.5	991.5	1	1419.6	991.5	0	0	0	0	0	0
3	Mthethwa ,S (Simphiwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Mthethwa ,S (Simphiwe)	1	1203	778	1	1203.6	778	0	0	0	0	0	0
4	Ramjith ,R (Rehan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Ramjith ,R (Rehan)	1	1244.9	819.9	1	1243.7	819.9	0	0	0	0	0	0
5	Maharaj ,A (Abhishek)	1	1	425	1	1	425	0	0	0	0	0	0
5	Maharaj ,A (Abhishek)	1	1154.8	1579.8	1	1158.8	1579.8	0	0	0	0	0	0
6	Munthree ,J (Juanathan)	1	1	425	1	1	425	0	0	0	0	0	0
6	Munthree ,J (Juanathan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Msane ,T (Thabiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Msane ,T (Thabiso)	1	1148.4	723.4	1	1154.2	723.4	0	0	0	0	0	0
8	Wilson ,D (Dave)	1	1	425	1	1	425	0	0	0	0	0	0
8	Wilson ,D (Dave)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Nunnan ,Y (Yanti)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nunnan ,Y (Yanti)	1	1270.4	845.4	1	1264.4	845.4	0	0	0	0	0	0
10	Thorpe ,JM (Julian)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Thorpe ,JM (Julian)	1	1585.3	1160.3	1	1596.3	1160.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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Statistics

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PLAYER PAGE

Personal

Mahadeo, S (Sebastian)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms