Chess South Africa Ratings Database

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Personal

Sejeng, O (Onkatlile)

Chess SA id

103080723

FIDE id

Date of birth

2003-01-06 (Adult)

Gender

Male

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2020-02-29

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1237	1240.9	685.4	685.4
Raw rating	1237	1240.9	685.4	685.4
Weighted rating	1237	1240.9	685.4	685.4
Weighted performance	313.6	313.4	0	0
Floor	813.2	819.3	500	500
K-factor	36	36	40	40
Min/Max rating change allowed	157.3	156.4	345.2	345.2
Highest rating	1327.3 2018-07-01	1333.4 2018-07-01	1200 2024-02-01	1200 2024-02-01
Highest raw rating	1313.2 2018-08-01	1319.3 2018-08-01	685.4 2024-02-01	685.4 2024-02-01
Highest weighted rating	1313.2 2025-02-01	1319.3 2024-02-01	685.4 2024-11-01	685.4 2024-11-01
Highest weighted performance	1327.3 2018-07-01	1333.4 2018-07-01	1200 2024-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1237	1240.9	685.4	685.4
Analysis
Rating	1237	1240.9	685.4	685.4
Raw rating	1237	1240.9	685.4	685.4
Weighted rating	1237	1240.9	685.4
Weighted performance	313.6	313.4	0
K-factor	36	36	40	40
Floor	813.2	819.3	500	500
Max/Min rating change allowed	157.3	156.4	345.2	345.2
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	1237	1240.9	685.4	685.4
New weighted rating	1237	1240.9	685.4	685.4
New weighted performance	305.4	305.2	0	0
Temp new rating	1237	1240.9	685.4	685.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1237	1240.9	685.4	685.4
New K-factor	36	36	40	40
New floor	813.2	819.3	500	500

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	230	224	6

Games since
	Main 0	Standard 0		Rapid 0		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	146	87.5	59.93	84.4	1107.4	1191.9
Standard	146	87.5	59.93	84.4	1107.4	1191.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1237	1240.9	685.4	685.4
2025-11-30	1237	1240.9	685.4	685.4
2025-11-01	1237	1240.9	685.4	685.4
2025-09-30	1237	1240.9	685.4	685.4
2025-09-01	1237	1240.9	685.4	685.4
2025-08-01	1237	1240.9	685.4	685.4
2025-07-01	1237	1240.9	685.4	685.4
2025-06-01	1237	1240.9	685.4	685.4
2025-05-01	1237	1240.9	685.4	685.4
2025-04-01	1237	1240.9	685.4	685.4
2025-03-01	1237	1240.9	685.4	685.4
2025-02-01	1237	1240.9	685.4	685.4
2025-01-01	1237	1240.9	685.4	685.4
2024-12-01	1237	1240.9	685.4	685.4
2024-11-01	1237	1240.9	685.4	685.4
2024-10-01	1237	1240.9	685.4	685.4
2024-09-01	1237	1240.9	685.4	685.4
2024-11-01	1237	1240.9	685.4	685.4
2024-07-01	1237	1240.9	685.4	685.4
2024-06-01	1237	1240.9	685.4	685.4
2024-05-01	1237	1240.9	685.4	685.4
2024-04-01	1237	1240.9	685.4	685.4
2024-03-01	1237	1240.9	685.4	685.4
2024-02-01	1237	1240.9	685.4	685.4

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	Carel`s Open 2020 (B)	2020-02-29	2020-02-29	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
2	2019 South African Junior Team Championships (U18A)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	7	1	Yes	Analysis
3	Eagles Open 2019 (A)	2019-11-23	2019-11-23	Standard	Sedibeng (GSV)	5	5	1	Yes	Analysis
4	GE vs GSV Inter Regional 2019 (U18B)	2019-10-26	2019-10-26	Standard	Ekurhuleni (GE)	5	4	3.5	Yes	Analysis
5	TST-MSA Chess Open 2019 (A)	2019-07-20	2019-07-20	Standard	Sedibeng (GSV)	5	4	2.5	Yes	Analysis
6	Eureka Chess Open 2019 (B)	2019-07-27	2019-07-27	Standard	Sedibeng (GSV)	5	4	1	Yes	Analysis
7	Amigo Spur Eligwa Chess Open 2019 (B)	2019-05-18	2019-05-18	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
8	Dirk de Koster Chess Open 2019 (B)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
9	Carels Open 2019 (B)	2019-03-02	2019-03-02	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
10	2019 Heidelberg Open (B)	2019-02-02	2019-02-02	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
11	2018 Tshwane Inter Region (U16A)	2018-12-01	2018-12-01	Standard	Cape Town (WCT)	5	5	5	Yes	Analysis
12	Eagle`s Open 2018 (B)	2018-12-08	2018-12-08	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
13	South African Junior Team Championships 2018 (U16C)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	2.5	Yes	Analysis
14	Henley Open 2018 (B)	2018-09-08	2018-09-08	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
15	Eureka Chess Open 2018 (A)	2018-09-29	2018-09-29	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
16	Dr Pieter Hangelbroek Ope 2018 (A+B)	2018-09-01	2018-09-01	Standard	Sedibeng (GSV)	5	4	2	Yes	Analysis
17	2018 Gauteng League Final (U17)	2018-08-25	2018-08-25	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
18	TST-MSA Tournament 2018 (A)	2018-07-21	2018-07-21	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
19	D8 Team League 2018 (U17)	2018-07-28	2018-07-28	Standard	Sedibeng (GSV)	5	4	4	Yes	Analysis
20	Sasolburg Open 2018 (B)	2018-06-02	2018-06-02	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
21	Hoerskool Drie Riviere Open 2018 (B)	2018-06-09	2018-06-09	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
22	Broadland`s Knights Chess Open 2018 (B)	2018-06-16	2018-06-16	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
23	2018 Gauteng Secondary Schools Individual Chess Championships (U15 Boys)	2018-05-26	2018-05-26	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
24	Word of Life Open 2018 (B)	2018-05-12	2018-05-12	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
25	Amigo Spur Eligwa Chess Open 2018 (B)	2018-05-19	2018-05-19	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
26	D8 Individual 2018 (U15 Boys)	2018-03-17	2018-03-17	Standard	Sedibeng (GSV)	5	5	4.5	Yes	Analysis
27	Carels Open 2018 (B)	2018-03-03	2018-03-03	Standard	Sedibeng (GSV)	5	5	2.5	Yes	Analysis
28	2018 Volkskool Open (C)	2018-02-17	2018-02-17	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
29	South African Junior Team Championships 2017 (U16C)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	7	4.5	Yes	Analysis

#	Games	Start				End
1	8	Tournament 2018 Tshwane Inter Region				Tournament Eagle`s Open 2018
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-08	rnd 3	type Standard	result 1
		Opponent Venter, Z (Zanri)				Opponent Nhlapo, M (Mpho)
2	8	Tournament TST-MSA Tournament 2018				Tournament 2018 Gauteng League Final
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-08-25	rnd 2	type Standard	result 1
		Opponent Huisamen, D (De Villiers)				Opponent Makwati, RO (Remmogo Omar)
3	8	Tournament 2018 Gauteng Secondary Schools Individual Chess Championships				Tournament Hoerskool Drie Riviere Open 2018
		date 2018-05-26	rnd 5	type Standard	result 1	date 2018-06-09	rnd 2	type Standard	result 1
		Opponent Ardean, G (Govender)				Opponent Mashala, ML (Maphula)

#	Games	Start				End
1	8	Tournament 2018 Tshwane Inter Region				Tournament Eagle`s Open 2018
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-08	rnd 3	type Standard	result 1
		Opponent Venter, Z (Zanri)				Opponent Nhlapo, M (Mpho)
2	8	Tournament TST-MSA Tournament 2018				Tournament 2018 Gauteng League Final
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-08-25	rnd 2	type Standard	result 1
		Opponent Huisamen, D (De Villiers)				Opponent Makwati, RO (Remmogo Omar)
3	8	Tournament 2018 Gauteng Secondary Schools Individual Chess Championships				Tournament Hoerskool Drie Riviere Open 2018
		date 2018-05-26	rnd 5	type Standard	result 1	date 2018-06-09	rnd 2	type Standard	result 1
		Opponent Ardean, G (Govender)				Opponent Mashala, ML (Maphula)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament 2018 Tshwane Inter Region				Tournament Eagle`s Open 2018
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-08	rnd 3	type Standard	result 1
		Opponent Venter, Z (Zanri)				Opponent Nhlapo, M (Mpho)
2	8	Tournament TST-MSA Tournament 2018				Tournament 2018 Gauteng League Final
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-08-25	rnd 2	type Standard	result 1
		Opponent Huisamen, D (De Villiers)				Opponent Makwati, RO (Remmogo Omar)
3	8	Tournament 2018 Gauteng Secondary Schools Individual Chess Championships				Tournament Hoerskool Drie Riviere Open 2018
		date 2018-05-26	rnd 5	type Standard	result 1	date 2018-06-09	rnd 2	type Standard	result 1
		Opponent Ardean, G (Govender)				Opponent Mashala, ML (Maphula)

#	Games	Start				End
1	8	Tournament 2018 Tshwane Inter Region				Tournament Eagle`s Open 2018
		date 2018-12-01	rnd 1	type Standard	result 1	date 2018-12-08	rnd 3	type Standard	result 1
		Opponent Venter, Z (Zanri)				Opponent Nhlapo, M (Mpho)
2	8	Tournament TST-MSA Tournament 2018				Tournament 2018 Gauteng League Final
		date 2018-07-21	rnd 4	type Standard	result 1	date 2018-08-25	rnd 2	type Standard	result 1
		Opponent Huisamen, D (De Villiers)				Opponent Makwati, RO (Remmogo Omar)
3	8	Tournament 2018 Gauteng Secondary Schools Individual Chess Championships				Tournament Hoerskool Drie Riviere Open 2018
		date 2018-05-26	rnd 5	type Standard	result 1	date 2018-06-09	rnd 2	type Standard	result 1
		Opponent Ardean, G (Govender)				Opponent Mashala, ML (Maphula)

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	Mokhotsoa ,KR (Kamohelo)	5	3.5	170	5	3.5	170	0	0	0	0	0	0
1	Mokhotsoa ,KR (Kamohelo)	5	959.7	1129.7	5	960.6	1129.7	0	0	0	0	0	0
2	Goosen ,M (Mignon)	4	4	425	4	4	425	0	0	0	0	0	0
2	Goosen ,M (Mignon)	4	991.1	1416.1	4	990.4	1416.1	0	0	0	0	0	0
3	Visser ,S (Shane)	4	0	-425	4	0	-425	0	0	0	0	0	0
3	Visser ,S (Shane)	4	1281.2	856.2	4	1280.4	856.2	0	0	0	0	0	0
4	Nhlapo ,M (Mpho)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
4	Nhlapo ,M (Mpho)	3	1193.9	1335.6	3	1192.6	1335.6	0	0	0	0	0	0
5	Van Rooyen ,JAK (Johan)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
5	Van Rooyen ,JAK (Johan)	3	1024.1	1165.7	3	1019.7	1165.7	0	0	0	0	0	0
6	Van Der Net ,JM (Jayden)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
6	Van Der Net ,JM (Jayden)	3	1068	1209.6	3	1074.2	1209.6	0	0	0	0	0	0
7	Malete ,M (Mogale)	3	3	425	3	3	425	0	0	0	0	0	0
7	Malete ,M (Mogale)	3	724.6	1149.6	3	739.6	1149.6	0	0	0	0	0	0
8	Van Der Mescht ,MJ (Marnus)	2	2	425	2	2	425	0	0	0	0	0	0
8	Van Der Mescht ,MJ (Marnus)	2	1162.8	1587.8	2	1151.9	1587.8	0	0	0	0	0	0
9	Nxumalo ,S (Sanele)	2	0	-425	2	0	-425	0	0	0	0	0	0
9	Nxumalo ,S (Sanele)	2	1101.3	676.3	2	1102.8	676.3	0	0	0	0	0	0
10	Huisamen ,BB (Botha Brandt)	2	0	-425	2	0	-425	0	0	0	0	0	0
10	Huisamen ,BB (Botha Brandt)	2	1399.6	974.6	2	1384.4	974.6	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

Sejeng, O (Onkatlile)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms