Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sewrathan, R (Rohan)

Chess SA id

1090154286

FIDE id

Date of birth

2009-06-04 (U18)

Gender

Male

Region

Ethekwini (KED)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1294.2	1276.2	1243.5	1200
Raw rating	1294.2	1276.2	1243.5	1200
Weighted rating	1275.1	1263	1233.3	1200
Weighted performance	1121.7	0	0	0
Floor	794.2	776.2	743.5	700
K-factor	36	36	36	36
Min/Max rating change allowed	145	148.8	155.9	165.8
Highest rating	1375.6 2023-04-01	1365 2023-04-01	1243.5 2024-10-01	1200 2018-10-01
Highest raw rating	1294.2 2025-06-01	1276.2 2025-06-01	1243.5 2024-10-01	1200 2024-02-01
Highest weighted rating	1265.1 2025-08-01	1257.3 2025-08-01	1226.7 2025-08-01	1200 2018-10-01
Highest weighted performance	1375.6 2023-04-01	1365 2023-04-01	1216.6 2024-09-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1294.2	1276.2	1243.5	1200
Analysis
Rating	1294.2	1276.2	1243.5	1200
Raw rating	1294.2	1276.2	1243.5	1200
Weighted rating	1275.1	1263	1233.3
Weighted performance	1121.7	0	0
K-factor	36	36	36	36
Floor	794.2	776.2	743.5	700
Max/Min rating change allowed	145	148.8	155.9	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	1294.2	1276.2	1243.5	1200
New weighted rating	1277.9	1264.6	1235.2	1200
New weighted performance	1114.1	0	0	0
Temp new rating	1294.2	1276.2	1243.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1294.2	1276.2	1243.5	1200
New K-factor	36	36	36	36
New floor	794.2	776.2	743.5	700

Item	Main	Standard	Rapid
	0	0	0
	6	6	0
	14	9	5
	15	6	9
	0	0	0
	0	0	0
History	35	21	14

Games since
	Main 20	Standard 15		Rapid 5		Blitz 0
Gender	Male
Age group	U18
Region	Ethekwini (KED)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	6	3	50	0	1347.3	1347.3
Standard	6	3	50	0	1347.3	1347.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	35	19	54.29	36.4	1277.4	1313.8
Standard	21	11	52.38	20.2	1314.4	1334.7
Rapid	14	8	57.14	60.7	1221.7	1282.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1294.2	1276.2	1243.5	1200
2025-09-30	1294.2	1276.2	1243.5	1200
2025-09-01	1294.2	1276.2	1243.5	1200
2025-08-01	1294.2	1276.2	1243.5	1200
2025-07-01	1294.2	1276.2	1243.5	1200
2025-06-01	1294.2	1276.2	1243.5	1200
2025-05-01	1277.8	1257.6	1243.5	1200
2025-04-01	1277.8	1257.6	1243.5	1200
2025-03-01	1277.8	1257.6	1243.5	1200
2025-02-01	1277.8	1257.6	1243.5	1200
2025-01-01	1277.8	1257.6	1243.5	1200
2024-12-01	1277.8	1257.6	1243.5	1200
2024-11-01	1277.8	1257.6	1243.5	1200
2024-10-01	1277.8	1257.6	1243.5	1200
2024-09-01	1227.7	1246.4	1188.1	1200
2024-08-01	1227.7	1246.4	1188.1	1200
2024-07-01	1227.7	1246.4	1188.1	1200
2024-09-01	1227.7	1246.4	1188.1	1200
2024-05-01	1219.3	1238.5	1188.1	1200
2024-04-01	1219.3	1238.5	1188.1	1200
2024-03-01	1219.3	1238.5	1188.1	1200
2024-02-01	1219.3	1238.5	1188.1	1200
2024-01-01	1219.3	1238.5	1188.1	1200
2023-12-01	1219.3	1238.5	1188.1	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	2025 KZN Open (B)	2025-05-02	2025-05-04	Standard	Ethekwini (KED)	7	6	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 KZN Open (B)	2025-05-02	2025-05-04	Standard	Ethekwini (KED)	7	6	3	Yes	Analysis
2	2024 Umlazi District Schools Chess Selection (U15 Boys)	2024-09-07	2024-09-07	Rapid	Ethekwini (KED)	5	5	3.5	Yes	Analysis
3	2024 KZN Schools District Selections (U15 Boys)	2024-09-13	2024-09-15	Standard	Ethekwini (KED)	6	6	3.5	Yes	Analysis
4	2024 ECA 2nd Youth Trials (U16)	2024-05-18	2024-05-19	Standard	Ethekwini (KED)	6	3	1	Yes	Analysis
5	Dolphin Coast Rapid 2023 (U18)	2023-07-29	2023-07-29	Rapid	iLembe (KIK)	5	4	1.5	Yes	Analysis
6	Umhlali Preparatory Rapid 2023 (High School)	2023-05-20	2023-05-20	Rapid	iLembe (KIK)	5	5	3	Yes	Analysis
7	2023 KZN Open (B)	2023-04-29	2023-04-30	Standard	Ethekwini (KED)	6	6	3.5	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2024 Umlazi District Schools Chess Selection				Tournament 2024 KZN Schools District Selections
		date 2024-09-07	rnd 4	type Rapid	result 0.5	date 2024-09-14	rnd 2	type Standard	result 0.5
		Opponent Dlamini, L (Luthanda)				Opponent Gumede, N (Ntokozo)
2	3	Tournament 2024 KZN Schools District Selections				Tournament 2025 KZN Open
		date 2024-09-14	rnd 5	type Standard	result 1	date 2025-05-02	rnd 1	type Standard	result 1
		Opponent Mbanjwa, S (Sanele)				Opponent Asghar, A (Adam)
3	2	Tournament 2025 KZN Open				Tournament 2025 KZN Open
		date 2025-05-03	rnd 3	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 1
		Opponent Ramessur, K (Kirati)				Opponent Cebekhulu, L (Lindelani)

#	Games	Start				End
1	3	Tournament 2024 KZN Schools District Selections				Tournament 2025 KZN Open
		date 2024-09-14	rnd 5	type Standard	result 1	date 2025-05-02	rnd 1	type Standard	result 1
		Opponent Mbanjwa, S (Sanele)				Opponent Asghar, A (Adam)
2	2	Tournament 2025 KZN Open				Tournament 2025 KZN Open
		date 2025-05-03	rnd 3	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 1
		Opponent Ramessur, K (Kirati)				Opponent Cebekhulu, L (Lindelani)
3	2	Tournament 2024 KZN Schools District Selections				Tournament 2024 KZN Schools District Selections
		date 2024-09-13	rnd 1	type Standard	result 1	date 2024-09-14	rnd 2	type Standard	result 0.5
		Opponent Nkosi, Y (Yibanathi)				Opponent Gumede, N (Ntokozo)

#	Games	Start				End
1	2	Tournament 2024 Umlazi District Schools Chess Selection				Tournament 2024 Umlazi District Schools Chess Selection
		date 2024-09-07	rnd 4	type Rapid	result 0.5	date 2024-09-07	rnd 5	type Rapid	result 1
		Opponent Dlamini, L (Luthanda)				Opponent Mbanjwa, S (Sanele)
2	2	Tournament 2024 Umlazi District Schools Chess Selection				Tournament 2024 Umlazi District Schools Chess Selection
		date 2024-09-07	rnd 1	type Rapid	result 1	date 2024-09-07	rnd 2	type Rapid	result 1
		Opponent Mbhatha, S (Sobahle)				Opponent Mkhize, B (Bayanda)
3	2	Tournament Dolphin Coast Rapid 2023				Tournament Dolphin Coast Rapid 2023
		date 2023-07-29	rnd 1	type Rapid	result 1	date 2023-07-29	rnd 2	type Rapid	result 0.5
		Opponent Buthelezi, M (Mukelani)				Opponent Sewrathan, N (Niral)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 2024 KZN Schools District Selections				Tournament 2025 KZN Open
		date 2024-09-14	rnd 5	type Standard	result 1	date 2025-05-02	rnd 1	type Standard	result 1
		Opponent Mbanjwa, S (Sanele)				Opponent Asghar, A (Adam)
2	2	Tournament 2025 KZN Open				Tournament 2025 KZN Open
		date 2025-05-03	rnd 3	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 1
		Opponent Ramessur, K (Kirati)				Opponent Cebekhulu, L (Lindelani)
3	2	Tournament 2024 Umlazi District Schools Chess Selection				Tournament 2024 KZN Schools District Selections
		date 2024-09-07	rnd 5	type Rapid	result 1	date 2024-09-13	rnd 1	type Standard	result 1
		Opponent Mbanjwa, S (Sanele)				Opponent Nkosi, Y (Yibanathi)

#	Games	Start				End
1	3	Tournament 2024 KZN Schools District Selections				Tournament 2025 KZN Open
		date 2024-09-14	rnd 5	type Standard	result 1	date 2025-05-02	rnd 1	type Standard	result 1
		Opponent Mbanjwa, S (Sanele)				Opponent Asghar, A (Adam)
2	2	Tournament 2025 KZN Open				Tournament 2025 KZN Open
		date 2025-05-03	rnd 3	type Standard	result 1	date 2025-05-03	rnd 4	type Standard	result 1
		Opponent Ramessur, K (Kirati)				Opponent Cebekhulu, L (Lindelani)
3	2	Tournament 2023 KZN Open				Tournament 2023 KZN Open
		date 2023-04-29	rnd 4	type Standard	result 1	date 2023-04-30	rnd 5	type Standard	result 1
		Opponent Mbatha, B (Bonke)				Opponent Krimm, K (Kaelan)

#	Games	Start				End
1	2	Tournament 2024 Umlazi District Schools Chess Selection				Tournament 2024 Umlazi District Schools Chess Selection
		date 2024-09-07	rnd 1	type Rapid	result 1	date 2024-09-07	rnd 2	type Rapid	result 1
		Opponent Mbhatha, S (Sobahle)				Opponent Mkhize, B (Bayanda)
2	2	Tournament Umhlali Preparatory Rapid 2023				Tournament Umhlali Preparatory Rapid 2023
		date 2023-05-20	rnd 1	type Rapid	result 1	date 2023-05-20	rnd 2	type Rapid	result 1
		Opponent Kisten, S (Sameshan)				Opponent Miglietti, D (Diego)
3	1	Tournament 2024 Umlazi District Schools Chess Selection				Tournament 2024 Umlazi District Schools Chess Selection
		date 2024-09-07	rnd 5	type Rapid	result 1	date 2024-09-07	rnd 5	type Rapid	result 1
		Opponent Mbanjwa, S (Sanele)				Opponent Mbanjwa, S (Sanele)

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	Mbanjwa ,S (Sanele)	2	2	425	1	1	425	1	1	425	0	0	0
1	Mbanjwa ,S (Sanele)	2	1200	1625	1	1200	1625	1	1200	1625	0	0	0
2	Jugree ,A (Arav)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Jugree ,A (Arav)	2	1738.6	1313.6	1	1735.8	1313.6	1	1556.1	1313.6	0	0	0
3	Thusi ,S (Siyanda)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Thusi ,S (Siyanda)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Subramoney ,R (Riaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Subramoney ,R (Riaan)	1	1407.3	982.3	1	1399.2	982.3	0	0	0	0	0	0
5	Asghar ,A (Adam)	1	1	425	1	1	425	0	0	0	0	0	0
5	Asghar ,A (Adam)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Ndaba ,M (Minenhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ndaba ,M (Minenhle)	1	1292	867	1	1228.3	867	0	0	0	0	0	0
7	Ndunakazi ,S (Siyabonga)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Ndunakazi ,S (Siyabonga)	1	1273.2	1273.2	1	1260.8	1273.2	0	0	0	0	0	0
8	Madlala ,U (Uthandile)	1	1	425	1	1	425	0	0	0	0	0	0
8	Madlala ,U (Uthandile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Ngwane ,N (Njabulo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Ngwane ,N (Njabulo)	1	1412.2	987.2	1	1385.9	987.2	0	0	0	0	0	0
10	Ramessur ,K (Kirati)	1	1	425	1	1	425	0	0	0	0	0	0
10	Ramessur ,K (Kirati)	1	1195.4	1620.4	1	1175.2	1620.4	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

Sewrathan, R (Rohan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms