Chess South Africa Ratings Database

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Personal

Seobi, S (Semakaleng)

Chess SA id

2110111878

FIDE id

Seobi

Date of birth

2011-02-19 (U16)

Gender

Female

Region

Sedibeng (GSV)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-24

Personal details last changed

1900-01-01

Junior GPX Games

15.9

Junior GPX Points

1236.2

Item	Main	Standard	Rapid	Blitz
Rating	1413.7	1405.1	1286.4	1200
Raw rating	1413.7	1405.1	1286.4	1200
Weighted rating	1345.3	1338.6	1220.2	1200
Weighted performance	1368.7	1279	0	0
Floor	913.7	905.1	786.4	700
K-factor	32	32	36	36
Min/Max rating change allowed	122.3	123.8	146.6	165.8
Highest rating	1413.7 2025-09-30	1407.8 2023-08-01	1289.9 2024-10-01	1200 2018-10-01
Highest raw rating	1413.7 2025-09-30	1405.1 2025-09-01	1286.4 2025-09-30	1200 2024-03-01
Highest weighted rating	1393.5 2024-07-01	1392.4 2024-06-01	1220.2 2025-09-30	1200 2018-10-01
Highest weighted performance	1408.9 2023-08-01	1407.8 2023-08-01	1289.9 2024-10-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1413.7	1405.1	1286.4	1200
Analysis
Rating	1413.7	1405.1	1286.4	1200
Raw rating	1413.7	1405.1	1286.4	1200
Weighted rating	1345.3	1338.6	1220.2
Weighted performance	1368.7	1279	0
K-factor	32	32	36	36
Floor	913.7	905.1	786.4	700
Max/Min rating change allowed	122.3	123.8	146.6	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	1413.7	1405.1	1286.4	1200
New weighted rating	1350.6	1343.8	1226.1	1200
New weighted performance	1368.2	1278.5	0	0
Temp new rating	1413.7	1405.1	1286.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1413.7	1405.1	1286.4	1200
New K-factor	32	32	36	36
New floor	913.7	905.1	786.4	700

Item	Main	Standard	Rapid
	0	0	0
	16	10	6
	19	14	5
	20	20	0
	20	20	0
	0	0	0
History	89	78	11

Games since
	Main 40	Standard 29		Rapid 11		Blitz 0
Gender	Female
Age group	U16
Region	Sedibeng (GSV)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	2029		718		72
Female	334		122		8
U16	300		98		12
U16 Female	66		25		4
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	16	13.5	84.38	292.2	1214.7	1506.9
Standard	10	8.5	85	297.5	1217.4	1514.9
Rapid	6	5	83.33	283.3	1210.1	1493.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	89	57	64.04	119.4	1206.5	1325.9
Standard	78	49	62.82	109	1208.2	1317.2
Rapid	11	8	72.73	193.2	1194.4	1387.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1413.7	1405.1	1286.4	1200
2025-09-01	1399	1405.1	1220.2	1200
2025-08-01	1350.4	1345.8	1220.2	1200
2025-07-01	1350.4	1345.8	1220.2	1200
2025-06-01	1350.4	1345.8	1220.2	1200
2025-05-01	1335.6	1327.8	1220.2	1200
2025-04-01	1335.6	1327.8	1220.2	1200
2025-03-01	1335.6	1327.8	1220.2	1200
2025-02-01	1333.2	1325.4	1220.2	1200
2025-01-01	1294	1284.4	1220.2	1200
2024-12-01	1294	1284.4	1220.2	1200
2024-11-01	1294	1284.4	1220.2	1200
2024-10-01	1298	1284.4	1200	1200
2024-09-01	1337.4	1327.6	1200	1200
2024-08-01	1337.4	1327.6	1200	1200
2024-07-01	1337.4	1327.6	1200	1200
2024-06-01	1337.4	1327.6	1200	1200
2024-08-01	1337.4	1327.6	1200	1200
2024-04-01	1369.1	1365	1200	1200
2024-03-01	1369.1	1365	1200	1200
2024-02-01	1369.1	1365	1200	1200
2024-01-01	1383.3	1378	1200	1200
2023-12-01	1383.3	1378	1200	1200
2023-11-01	1383.3	1378	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	2025 Emfuleni Local Municipality Soncini Chess Trials (U14 Girls)	2025-09-24	2025-09-24	Rapid	Sedibeng (GSV)	6	6	5	Yes	Analysis
2	GDE (D7) Sedibeng East Schools 2025 (U15)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
3	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U15 Girls)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Emfuleni Local Municipality Soncini Chess Trials (U14 Girls)	2025-09-24	2025-09-24	Rapid	Sedibeng (GSV)	6	6	5	Yes	Analysis
2	GDE (D7) Sedibeng East Schools 2025 (U15)	2025-08-02	2025-08-02	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
3	GDE Sedibeng East Schools - D7 Individuals 24 May 2025 (U15 Girls)	2025-05-24	2025-05-24	Standard	Sedibeng (GSV)	5	5	3.5	Yes	Analysis
4	Gauteng Top Schools 2024 (U15 Girls)	2024-10-05	2024-10-05	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	Gauteng Schools Individuals Finals 2024 (U13 Girls)	2024-08-16	2024-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
6	Hoerskool Overvaal Chess Open 2024 (C)	2024-04-20	2024-04-20	Standard	Sedibeng (GSV)	5	5	2	Yes	Analysis
7	2024 Gauteng Inter-Region Chess Championship (U14 Girls)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
8	NWU Vaal Open 2023 (D)	2023-10-14	2023-10-14	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
9	Gauteng D7 Teams 2023 (U13)	2023-08-12	2023-08-12	Standard	Sedibeng (GSV)	5	5	5	Yes	Analysis
10	Overvaal Ope Jul 2023 (C)	2023-07-22	2023-07-22	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
11	Gauteng Schools D7 2023 (U13 Girls)	2023-05-20	2023-05-20	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
12	D7 Teams 2022 (U13 Mixed+Girls)	2022-08-13	2022-08-13	Standard	Sedibeng (GSV)	5	5	4	Yes	Analysis
13	2022 Gauteng Schools Team Championships (U13 Girls)	2022-08-27	2022-08-27	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
14	Eureka Open 2022 (F)	2022-07-30	2022-07-30	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
15	2022 Gauteng Schools Individual Chess Championship (U11 Girls)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
16	Eagles Open 2019 (C)	2019-11-23	2019-11-23	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis
17	2019 Gauteng School League Finals (U9 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	0	0	No	Analysis
18	D7 Individuals 2019 (U9 Girls)	2019-05-04	2019-05-04	Standard	Sedibeng (GSV)	5	4	2.5	Yes	Analysis
19	Dirk de Koster Chess Open 2019 (E)	2019-04-13	2019-04-13	Standard	Sedibeng (GSV)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament Gauteng D7 Teams 2023				Tournament NWU Vaal Open 2023
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-10-14	rnd 2	type Standard	result 1
		Opponent Sefatsa, R (Rifeloe)				Opponent Booysen, Z (Zian)
2	5	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 2	type Rapid	result 1	date 2025-09-24	rnd 6	type Rapid	result 1
		Opponent Sello, M (Matshediso)				Opponent Motaung, I (Itumeleng Alicia)
3	5	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Nketle, S (Siphosihle)				Opponent Makume, L (Lerato)

#	Games	Start				End
1	7	Tournament Gauteng D7 Teams 2023				Tournament NWU Vaal Open 2023
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-10-14	rnd 2	type Standard	result 1
		Opponent Sefatsa, R (Rifeloe)				Opponent Booysen, Z (Zian)
2	5	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Nketle, S (Siphosihle)				Opponent Makume, L (Lerato)
3	5	Tournament Gauteng Schools D7 2023				Tournament Overvaal Ope Jul 2023
		date 2023-05-20	rnd 5	type Standard	result 1	date 2023-07-22	rnd 4	type Standard	result 0.5
		Opponent Lirane, N (Naledi)				Opponent Masilo, R (Rendane)

#	Games	Start				End
1	5	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 2	type Rapid	result 1	date 2025-09-24	rnd 6	type Rapid	result 1
		Opponent Sello, M (Matshediso)				Opponent Motaung, I (Itumeleng Alicia)
2	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 3	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Ndhlovu, S (Samukelisiwe)				Opponent Khumalo, M (Mazande)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 1	type Rapid	result 1
		Opponent Cadman, J (Jessie Leigh)				Opponent Cadman, J (Jessie Leigh)

No games found.

#	Games	Start				End

#	Games	Start				End
1	7	Tournament Gauteng D7 Teams 2023				Tournament NWU Vaal Open 2023
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-10-14	rnd 2	type Standard	result 1
		Opponent Sefatsa, R (Rifeloe)				Opponent Booysen, Z (Zian)
2	5	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 2	type Rapid	result 1	date 2025-09-24	rnd 6	type Rapid	result 1
		Opponent Sello, M (Matshediso)				Opponent Motaung, I (Itumeleng Alicia)
3	5	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Nketle, S (Siphosihle)				Opponent Makume, L (Lerato)

#	Games	Start				End
1	7	Tournament Gauteng D7 Teams 2023				Tournament NWU Vaal Open 2023
		date 2023-08-12	rnd 1	type Standard	result 1	date 2023-10-14	rnd 2	type Standard	result 1
		Opponent Sefatsa, R (Rifeloe)				Opponent Booysen, Z (Zian)
2	5	Tournament GDE (D7) Sedibeng East Schools 2025				Tournament GDE (D7) Sedibeng East Schools 2025
		date 2025-08-02	rnd 1	type Standard	result 1	date 2025-08-02	rnd 5	type Standard	result 1
		Opponent Nketle, S (Siphosihle)				Opponent Makume, L (Lerato)
3	5	Tournament 2022 Gauteng Schools Individual Chess Championship				Tournament Eureka Open 2022
		date 2022-06-18	rnd 3	type Standard	result 1	date 2022-07-30	rnd 2	type Standard	result 1
		Opponent Ntshangase, Q (Qhayiya)				Opponent Refilce, H (Hlotho)

#	Games	Start				End
1	5	Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials				Tournament 2025 Emfuleni Local Municipality Soncini Chess Trials
		date 2025-09-24	rnd 2	type Rapid	result 1	date 2025-09-24	rnd 6	type Rapid	result 1
		Opponent Sello, M (Matshediso)				Opponent Motaung, I (Itumeleng Alicia)
2	2	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 3	type Rapid	result 1	date 2024-10-05	rnd 4	type Rapid	result 1
		Opponent Ndhlovu, S (Samukelisiwe)				Opponent Khumalo, M (Mazande)
3	1	Tournament Gauteng Top Schools 2024				Tournament Gauteng Top Schools 2024
		date 2024-10-05	rnd 1	type Rapid	result 1	date 2024-10-05	rnd 1	type Rapid	result 1
		Opponent Cadman, J (Jessie Leigh)				Opponent Cadman, J (Jessie Leigh)

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	Williams ,A (Anika)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Williams ,A (Anika)	2	1271.4	846.4	2	1250.5	846.4	0	0	0	0	0	0
2	Smith ,KE (Kaiden Elljay)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
2	Smith ,KE (Kaiden Elljay)	2	1220.6	1433.1	2	1233.7	1433.1	0	0	0	0	0	0
3	Hutcheson ,M (Megan)	2	1	0	2	1	0	0	0	0	0	0	0
3	Hutcheson ,M (Megan)	2	1279.9	1279.9	2	1276.6	1279.9	0	0	0	0	0	0
4	Campher ,H (Hannah)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Campher ,H (Hannah)	2	1356.1	931.1	2	1366.1	931.1	0	0	0	0	0	0
5	Nketle ,S (Siphosihle)	2	2	425	2	2	425	0	0	0	0	0	0
5	Nketle ,S (Siphosihle)	2	1158.5	1583.5	2	1148.8	1583.5	0	0	0	0	0	0
6	Kemp ,J (Jowan)	2	1	0	2	1	0	0	0	0	0	0	0
6	Kemp ,J (Jowan)	2	1227.9	1227.9	2	1202.6	1227.9	0	0	0	0	0	0
7	Shongwe ,A (Akhona)	2	2	425	2	2	425	0	0	0	0	0	0
7	Shongwe ,A (Akhona)	2	1294.2	1719.2	2	1310.6	1719.2	0	0	0	0	0	0
8	Masilo ,R (Rendani)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
8	Masilo ,R (Rendani)	2	1239.7	1027.2	2	1236.8	1027.2	0	0	0	0	0	0
9	Kgomojoo ,A (Atlehang Setshego)	2	2	425	1	1	425	1	1	425	0	0	0
9	Kgomojoo ,A (Atlehang Setshego)	2	1206.2	1631.2	1	1200	1631.2	1	1190.5	1631.2	0	0	0
10	Mackay ,FG (Fraser Gunn)	1	1	425	1	1	425	0	0	0	0	0	0
10	Mackay ,FG (Fraser Gunn)	1	1183.4	1608.4	1	1173.7	1608.4	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

Seobi, S (Semakaleng)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms