Chess South Africa Ratings Database

PLAYER PAGE

Personal

Obos, I (Ipileng)

Chess SA id

207091396

FIDE id

Date of birth

2007-01-25 (U20)

Gender

Female

Region

Mangaung (FMB)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-10-13

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1301.3	1327.4	1158.3	1200
Raw rating	1301.3	1327.4	1158.3	1200
Weighted rating	1301	1327.4	1156.6	1200
Weighted performance	771	688	0	0
Floor	820.1	827.4	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	143.5	138.3	176	165.8
Highest rating	1320.1 2023-08-01	1327.4 2024-03-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1320.1 2023-08-01	1327.4 2024-03-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1320.1 2025-04-01	1327.4 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1236.6 2019-06-01	1235.7 2019-06-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1301.3	1327.4	1158.3	1200
Analysis
Rating	1301.3	1327.4	1158.3	1200
Raw rating	1301.3	1327.4	1158.3	1200
Weighted rating	1301	1327.4	1156.6
Weighted performance	771	688	0
K-factor	36	36	36	36
Floor	820.1	827.4	700	700
Max/Min rating change allowed	143.5	138.3	176	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	1301.3	1327.4	1158.3	1200
New weighted rating	1301	1327.4	1156.8	1200
New weighted performance	770.5	687.6	0	0
Temp new rating	1301.3	1327.4	1158.3	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1301.3	1327.4	1158.3	1200
New K-factor	36	36	36	36
New floor	820.1	827.4	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	12	7	5
	7	7	0
	0	0	0
History	70	65	5

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Female
Age group	U20
Region	Mangaung (FMB)
Province	Free State (FS)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U20	-1		-1		-1
U20 Female	-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	56	35	62.5	106.2	1120.6	1226.8
Standard	51	33	64.71	125	1113	1238
Rapid	5	2	40	-85	1198.3	1113.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1301.3	1327.4	1158.3	1200
2025-09-01	1301.3	1327.4	1158.3	1200
2025-08-01	1301.3	1327.4	1158.3	1200
2025-07-01	1301.3	1327.4	1158.3	1200
2025-06-01	1301.3	1327.4	1158.3	1200
2025-05-01	1301.3	1327.4	1158.3	1200
2025-04-01	1301.3	1327.4	1158.3	1200
2025-03-01	1301.3	1327.4	1158.3	1200
2025-02-01	1301.2	1327.4	1158.3	1200
2025-01-01	1300.5	1327.4	1154	1200
2024-12-01	1300.5	1327.4	1154	1200
2024-11-01	1300.5	1327.4	1154	1200
2024-10-01	1300.5	1327.4	1154	1200
2024-09-01	1300.5	1327.4	1154	1200
2024-08-01	1300.5	1327.4	1154	1200
2024-07-01	1300.5	1327.4	1154	1200
2024-06-01	1300.5	1327.4	1154	1200
2024-08-01	1300.5	1327.4	1154	1200
2024-04-01	1300.5	1327.4	1154	1200
2024-03-01	1300.5	1327.4	1154	1200
2024-02-01	1300.5	1327.4	1154	1200
2024-01-01	1300.5	1327.4	1154	1200
2023-12-01	1300.5	1327.4	1154	1200
2023-11-01	1300.5	1327.4	1154	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	Bloemfontein HS League 13 October 2023 (U17+U19)	2023-10-13	2023-10-13	Rapid	Mangaung (FMB)	5	5	2	Yes	Analysis
2	2023 SA Schools Winter Games (U18 Girls)	2023-07-04	2023-07-06	Standard	West Rand (GWR)	7	7	4	Yes	Analysis
3	NSSC Winter Games 2022 (U15 Girls)	2022-07-04	2022-07-06	Standard	Cape Town (WCT)	7	7	4	Yes	Analysis
4	2019 South African Junior Team Championships (U14B Girls)	2020-01-04	2020-01-08	Standard	4 Knights (4K)	7	6	4	Yes	Analysis
5	Mangaung Metro July Trials 2019 (U16 Girls)	2019-07-19	2019-07-20	Standard	Mangaung (FMB)	5	4	2	Yes	Analysis
6	Mangaung Metro Chess 31 May to 1 June 2019 (C)	2019-05-31	2019-06-01	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
7	Free State Schools Chess Championship 2019 (U13)	2019-05-25	2019-05-25	Standard	Lejweleputswa (FLW)	5	5	3	Yes	Analysis
8	Mangaung Metro Chess 15-16 March 2019 (D)	2019-03-15	2019-03-16	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
9	Mangaung Metro Chess 1-2 February 2019 (D)	2019-02-01	2019-02-02	Standard	Mangaung (FMB)	5	5	4	Yes	Analysis
10	Mangaung Metro Chess 27-28 July 2018 (E)	2018-07-27	2018-07-28	Standard	Mangaung (FMB)	5	2	1	Yes	Analysis
11	Mangaung Metro Chess 2 & 3 February 2018 (E)	2018-02-02	2018-02-03	Standard	Mangaung (FMB)	5	5	3	Yes	Analysis

#	Games	Start				End
1	8	Tournament Mangaung Metro Chess 1-2 February 2019				Tournament Mangaung Metro Chess 15-16 March 2019
		date 2019-02-01	rnd 2	type Standard	result 1	date 2019-03-16	rnd 4	type Standard	result 1
		Opponent Botha, L (Lika)				Opponent Van Rooyen, B (Bart)
2	4	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 1
		Opponent Dove, M (Megan)				Opponent Gcuze, K (Khanya)
3	3	Tournament Mangaung Metro Chess 31 May to 1 June 2019				Tournament Mangaung Metro July Trials 2019
		date 2019-06-01	rnd 5	type Standard	result 1	date 2019-07-19	rnd 2	type Standard	result 1
		Opponent Robberts, S (Stefan Johan)				Opponent Mahlakolisane, K (Kamohelo)

#	Games	Start				End
1	8	Tournament Mangaung Metro Chess 1-2 February 2019				Tournament Mangaung Metro Chess 15-16 March 2019
		date 2019-02-01	rnd 2	type Standard	result 1	date 2019-03-16	rnd 4	type Standard	result 1
		Opponent Botha, L (Lika)				Opponent Van Rooyen, B (Bart)
2	4	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 1
		Opponent Dove, M (Megan)				Opponent Gcuze, K (Khanya)
3	3	Tournament Mangaung Metro Chess 31 May to 1 June 2019				Tournament Mangaung Metro July Trials 2019
		date 2019-06-01	rnd 5	type Standard	result 1	date 2019-07-19	rnd 2	type Standard	result 1
		Opponent Robberts, S (Stefan Johan)				Opponent Mahlakolisane, K (Kamohelo)

#	Games	Start				End
1	2	Tournament Bloemfontein HS League 13 October 2023				Tournament Bloemfontein HS League 13 October 2023
		date 2023-10-13	rnd 2	type Rapid	result 1	date 2023-10-13	rnd 3	type Rapid	result 1
		Opponent Els, N (Niel)				Opponent Beelders, R (Ryan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Mangaung Metro Chess 1-2 February 2019				Tournament Mangaung Metro Chess 15-16 March 2019
		date 2019-02-01	rnd 2	type Standard	result 1	date 2019-03-16	rnd 4	type Standard	result 1
		Opponent Botha, L (Lika)				Opponent Van Rooyen, B (Bart)
2	4	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 1
		Opponent Dove, M (Megan)				Opponent Gcuze, K (Khanya)
3	3	Tournament Mangaung Metro Chess 31 May to 1 June 2019				Tournament Mangaung Metro July Trials 2019
		date 2019-06-01	rnd 5	type Standard	result 1	date 2019-07-19	rnd 2	type Standard	result 1
		Opponent Robberts, S (Stefan Johan)				Opponent Mahlakolisane, K (Kamohelo)

#	Games	Start				End
1	8	Tournament Mangaung Metro Chess 1-2 February 2019				Tournament Mangaung Metro Chess 15-16 March 2019
		date 2019-02-01	rnd 2	type Standard	result 1	date 2019-03-16	rnd 4	type Standard	result 1
		Opponent Botha, L (Lika)				Opponent Van Rooyen, B (Bart)
2	4	Tournament 2019 South African Junior Team Championships				Tournament 2019 South African Junior Team Championships
		date 2020-01-04	rnd 2	type Standard	result 1	date 2020-01-06	rnd 5	type Standard	result 1
		Opponent Dove, M (Megan)				Opponent Gcuze, K (Khanya)
3	3	Tournament Mangaung Metro Chess 31 May to 1 June 2019				Tournament Mangaung Metro July Trials 2019
		date 2019-06-01	rnd 5	type Standard	result 1	date 2019-07-19	rnd 2	type Standard	result 1
		Opponent Robberts, S (Stefan Johan)				Opponent Mahlakolisane, K (Kamohelo)

#	Games	Start				End
1	2	Tournament Bloemfontein HS League 13 October 2023				Tournament Bloemfontein HS League 13 October 2023
		date 2023-10-13	rnd 2	type Rapid	result 1	date 2023-10-13	rnd 3	type Rapid	result 1
		Opponent Els, N (Niel)				Opponent Beelders, R (Ryan)

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	Melville ,J (Joalize)	2	2	425	2	2	425	0	0	0	0	0	0
1	Melville ,J (Joalize)	2	806.8	1231.8	2	805.7	1231.8	0	0	0	0	0	0
2	Melville ,J (Jason)	2	1	0	2	1	0	0	0	0	0	0	0
2	Melville ,J (Jason)	2	997.8	997.8	2	988.4	997.8	0	0	0	0	0	0
3	Hattingh ,E (Eckhard)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Hattingh ,E (Eckhard)	2	1081.8	656.8	1	969.6	656.8	1	863.6	656.8	0	0	0
4	Beelders ,R (Ryan)	2	2	425	1	1	425	1	1	425	0	0	0
4	Beelders ,R (Ryan)	2	1033.3	1458.3	1	866.6	1458.3	1	990.8	1458.3	0	0	0
5	Letebele ,S (Sebueng)	1	1	425	1	1	425	0	0	0	0	0	0
5	Letebele ,S (Sebueng)	1	1239.2	1664.2	1	1247.6	1664.2	0	0	0	0	0	0
6	Pretorius ,W (Wj)	1	1	425	1	1	425	0	0	0	0	0	0
6	Pretorius ,W (Wj)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Matlakala ,R (Reanetse)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Matlakala ,R (Reanetse)	1	1180.3	755.3	1	1205	755.3	0	0	0	0	0	0
8	Boje ,C (Carissa)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Boje ,C (Carissa)	1	1152.5	727.5	1	1151.5	727.5	0	0	0	0	0	0
9	Human ,LJ (Louis)	1	1	425	1	1	425	0	0	0	0	0	0
9	Human ,LJ (Louis)	1	979.2	1404.2	1	965.8	1404.2	0	0	0	0	0	0
10	Thafeni ,E (Ernest)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Thafeni ,E (Ernest)	1	719.8	294.8	1	754.4	294.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Obos, I (Ipileng)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms