Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sonjica, N (Ntsikelelo)

Chess SA id

1910161576

FIDE id

Date of birth

1991-04-05 (Adult)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-21

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1632.1	1629.1	1300	1311.3
Raw rating	1632.1	1629.1	1300	1311.3
Weighted rating	1388	1372.4	1248.9	1247.9
Weighted performance	1557.4	1558	0	0
Floor	1163	1166.4	800	811.3
K-factor	28	28	36	36
Min/Max rating change allowed	89.6	90	143.8	141.5
Highest rating	1678.7 2025-09-01	1680.2 2025-09-01	1300 2025-06-01	1311.3 2025-06-01
Highest raw rating	1663 2025-09-01	1666.4 2025-09-01	1300 2025-06-01	1311.3 2025-06-01
Highest weighted rating	1361.8 2025-09-30	1344.6 2025-09-30	1231 2025-08-01	1225.6 2025-08-01
Highest weighted performance	1678.7 2025-09-01	1680.2 2025-09-01	1284.2 2023-09-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1632.1	1629.1	1300	1311.3
Analysis
Rating	1632.1	1629.1	1300	1311.3
Raw rating	1632.1	1629.1	1300	1311.3
Weighted rating	1388	1372.4	1248.9
Weighted performance	1557.4	1558	0
K-factor	28	28	36	36
Floor	1163	1166.4	800	811.3
Max/Min rating change allowed	89.6	90	143.8	141.5
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	1632.1	1629.1	1300	1311.3
New weighted rating	1412.9	1398.8	1254.3	1254.5
New weighted performance	1548.1	1548.7	0	0
Temp new rating	1632.1	1629.1	1300	1311.3
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1632.1	1629.1	1300	1311.3
New K-factor	28	28	36	36
New floor	1163	1166.4	800	811.3

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	68	68	0	0
	9	0	0	9
	12	0	7	5
	0	0	0	0
	0	0	0	0
History	89	68	7	14

Games since
	Main 77	Standard 68		Rapid 0		Blitz 9
Gender	Male
Age group	Adult
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	509		192		72
Male	470		177		62
Adult	251		94		38
Adult Male	236		90		34
Standard
	RSA		Province		Region
Overall	503		192		72
Male	462		176		61
Adult	240		94		38
Adult Male	226		89		33
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	68	43.5	63.97	118.8	1516.4	1635.2
Standard	68	43.5	63.97	118.8	1516.4	1635.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	89	55.5	62.36	105.1	1500.9	1605.9
Standard	68	43.5	63.97	118.8	1516.4	1635.2
Rapid	7	3.5	50	0	1560.1	1560.1
Blitz	14	8.5	60.71	91.1	1395.8	1486.9

Date	Main	Standard	Rapid	Blitz
2025-11-01	1632.1	1629.1	1300	1311.3
2025-09-30	1632.1	1629.1	1300	1311.3
2025-09-01	1663	1666.4	1300	1311.3
2025-08-01	1648.2	1655	1300	1311.3
2025-07-01	1535	1555	1300	1311.3
2025-06-01	1427.8	1443.8	1300	1311.3
2025-05-01	1232	1200	1210.4	1200
2025-04-01	1232	1200	1210.4	1200
2025-03-01	1232	1200	1210.4	1200
2025-02-01	1232	1200	1210.4	1200
2025-01-01	1232	1200	1210.4	1200
2024-12-01	1232	1200	1210.4	1200
2024-11-01	1232	1200	1210.4	1200
2024-10-01	1232	1200	1210.4	1200
2024-09-01	1232	1200	1210.4	1200
2024-08-01	1232	1200	1210.4	1200
2024-07-01	1232	1200	1210.4	1200
2024-09-01	1232	1200	1210.4	1200
2024-05-01	1232	1200	1210.4	1200
2024-04-01	1232	1200	1210.4	1200
2024-03-01	1232	1200	1210.4	1200
2024-02-01	1232	1200	1210.4	1200
2024-01-01	1232	1200	1210.4	1200
2023-12-01	1232	1200	1210.4	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	Ekurhuleni Trial 4 2025 (B)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Chess Power House Aug Open 2025 (A)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	JMC Closed 2025 (A)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
4	JMC - Trinity Randpark Ridge 2025 (B)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	2025 Wynie Robbertse Chess Tournament (B)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	6	Yes	Analysis
7	Ekurhuleni Trial 2 2025 (B)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
8	2025 Elise Steenkamp Open Chess Tournament (Rook)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	5.5	Yes	Analysis
9	2025 JMCA Open Chess Tournament (C)	2025-06-07	2025-06-07	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
10	JMC Helpmekaar 2025 (B)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
11	Mzansi Africa Classic 2025 (Advanced)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
12	JMC Crawford Sandton 2025 (B)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni Trial 4 2025 (B)	2025-09-21	2025-09-21	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
2	Chess Power House Aug Open 2025 (A)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	JMC Closed 2025 (A)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
4	JMC - Trinity Randpark Ridge 2025 (B)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
5	2025 Wynie Robbertse Chess Tournament (B)	2025-07-19	2025-07-19	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	South African Open 2025 (B)	2025-06-28	2025-07-05	Standard	Johannesburg Metro (GJM)	11	11	6	Yes	Analysis
7	Ekurhuleni Trial 2 2025 (B)	2025-06-21	2025-06-21	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
8	2025 Elise Steenkamp Open Chess Tournament (Rook)	2025-06-14	2025-06-16	Standard	Tshwane (GTP)	7	7	5.5	Yes	Analysis
9	2025 JMCA Open Chess Tournament (C)	2025-06-07	2025-06-07	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
10	JMC Helpmekaar 2025 (B)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
11	Mzansi Africa Classic 2025 (Advanced)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
12	JMC Crawford Sandton 2025 (B)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
13	Wanderers Blitz Tournament 2024	2024-03-23	2024-03-23	Blitz	Johannesburg Metro (GJM)	9	9	4.5	Yes	Analysis
14	Mzansi Spring Rapid 2023	2023-09-02	2023-09-02	Rapid	Johannesburg Metro (GJM)	7	7	3.5	Yes	Analysis
15	JMC Blitz - Higher Ground 2023	2023-06-17	2023-06-17	Blitz	Johannesburg Metro (GJM)	7	5	4	Yes	Analysis

#	Games	Start				End
1	9	Tournament JMC Helpmekaar 2025				Tournament 2025 Elise Steenkamp Open Chess Tournament
		date 2025-06-01	rnd 5	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Dsouza, E (Ethan)				Opponent Niemandt, JF (Jacobus Frederik)
2	7	Tournament 2025 Wynie Robbertse Chess Tournament				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 0.5
		Opponent Waring, C (Caydence)				Opponent Jolliffe, SR (Shaun)
3	5	Tournament 2025 Elise Steenkamp Open Chess Tournament				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-15	rnd 5	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Van Rensburg, B (Ben)				Opponent Nyambi, S (Sfiso)

#	Games	Start				End
1	9	Tournament JMC Helpmekaar 2025				Tournament 2025 Elise Steenkamp Open Chess Tournament
		date 2025-06-01	rnd 5	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Dsouza, E (Ethan)				Opponent Niemandt, JF (Jacobus Frederik)
2	7	Tournament 2025 Wynie Robbertse Chess Tournament				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-19	rnd 4	type Standard	result 1	date 2025-07-26	rnd 5	type Standard	result 0.5
		Opponent Waring, C (Caydence)				Opponent Jolliffe, SR (Shaun)
3	5	Tournament 2025 Elise Steenkamp Open Chess Tournament				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-15	rnd 5	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Van Rensburg, B (Ben)				Opponent Nyambi, S (Sfiso)

#	Games	Start				End
1	4	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 2	type Rapid	result 1	date 2023-09-02	rnd 5	type Rapid	result 0.5
		Opponent Mkhwanazi, AK (Ayanda)				Opponent Sathish, A (Abinavah)

#	Games	Start				End
1	3	Tournament JMC Blitz - Higher Ground 2023				Tournament JMC Blitz - Higher Ground 2023
		date 2023-06-17	rnd 3	type Blitz	result 1	date 2023-06-17	rnd 5	type Blitz	result 1
		Opponent Mkulisi, P (Philisiwe)				Opponent Mogotsi, G (Gomolemo)
2	2	Tournament Wanderers Blitz Tournament 2024				Tournament Wanderers Blitz Tournament 2024
		date 2024-03-23	rnd 5	type Blitz	result 1	date 2024-03-23	rnd 6	type Blitz	result 0.5
		Opponent Madikane, B (Bulumko)				Opponent Hodgson, TF (Timothy)
3	2	Tournament Wanderers Blitz Tournament 2024				Tournament Wanderers Blitz Tournament 2024
		date 2024-03-23	rnd 2	type Blitz	result 1	date 2024-03-23	rnd 3	type Blitz	result 1
		Opponent Hollander, D (Daniel)				Opponent Yoko, S (Sascha)

#	Games	Start				End
1	5	Tournament 2025 Elise Steenkamp Open Chess Tournament				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-15	rnd 5	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Van Rensburg, B (Ben)				Opponent Nyambi, S (Sfiso)
2	4	Tournament Ekurhuleni Trial 2 2025				Tournament South African Open 2025
		date 2025-06-21	rnd 5	type Standard	result 1	date 2025-06-29	rnd 3	type Standard	result 1
		Opponent Chisango, T (Trafford)				Opponent Songo, D (Divine)
3	3	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Epule, D (Daniel)				Opponent Saunders, W (Wayde)

#	Games	Start				End
1	5	Tournament 2025 Elise Steenkamp Open Chess Tournament				Tournament Ekurhuleni Trial 2 2025
		date 2025-06-15	rnd 5	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Van Rensburg, B (Ben)				Opponent Nyambi, S (Sfiso)
2	4	Tournament Ekurhuleni Trial 2 2025				Tournament South African Open 2025
		date 2025-06-21	rnd 5	type Standard	result 1	date 2025-06-29	rnd 3	type Standard	result 1
		Opponent Chisango, T (Trafford)				Opponent Songo, D (Divine)
3	3	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Epule, D (Daniel)				Opponent Saunders, W (Wayde)

#	Games	Start				End
1	3	Tournament Mzansi Spring Rapid 2023				Tournament Mzansi Spring Rapid 2023
		date 2023-09-02	rnd 2	type Rapid	result 1	date 2023-09-02	rnd 4	type Rapid	result 1
		Opponent Mkhwanazi, AK (Ayanda)				Opponent Klaaste, C (Chadley)

#	Games	Start				End
1	3	Tournament JMC Blitz - Higher Ground 2023				Tournament JMC Blitz - Higher Ground 2023
		date 2023-06-17	rnd 3	type Blitz	result 1	date 2023-06-17	rnd 5	type Blitz	result 1
		Opponent Mkulisi, P (Philisiwe)				Opponent Mogotsi, G (Gomolemo)
2	2	Tournament Wanderers Blitz Tournament 2024				Tournament Wanderers Blitz Tournament 2024
		date 2024-03-23	rnd 2	type Blitz	result 1	date 2024-03-23	rnd 3	type Blitz	result 1
		Opponent Hollander, D (Daniel)				Opponent Yoko, S (Sascha)
3	1	Tournament Wanderers Blitz Tournament 2024				Tournament Wanderers Blitz Tournament 2024
		date 2024-03-23	rnd 9	type Blitz	result 1	date 2024-03-23	rnd 9	type Blitz	result 1
		Opponent Niayesh, H (Hani)				Opponent Niayesh, H (Hani)

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	Dsouza ,E (Ethan)	2	1	0	2	1	0	0	0	0	0	0	0
1	Dsouza ,E (Ethan)	2	1560.9	1560.9	2	1548.6	1560.9	0	0	0	0	0	0
2	Shaku ,G (Gift)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Shaku ,G (Gift)	2	1534.1	1109.1	2	1526.9	1109.1	0	0	0	0	0	0
3	Mphela ,T (Thato)	2	1	0	2	1	0	0	0	0	0	0	0
3	Mphela ,T (Thato)	2	1275	1275	2	1287.8	1275	0	0	0	0	0	0
4	Mosala ,B (Boitumelo)	2	2	425	2	2	425	0	0	0	0	0	0
4	Mosala ,B (Boitumelo)	2	1197.7	1622.7	2	1197.2	1622.7	0	0	0	0	0	0
5	Chisango ,T (Trafford)	2	2	425	2	2	425	0	0	0	0	0	0
5	Chisango ,T (Trafford)	2	1222.4	1647.4	2	1213.2	1647.4	0	0	0	0	0	0
6	Hondo ,Z (Zibusiso)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Hondo ,Z (Zibusiso)	2	1522.6	1097.6	2	1501.6	1097.6	0	0	0	0	0	0
7	Segal ,J (Jamie)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
7	Segal ,J (Jamie)	2	1910.5	1698	2	1919.3	1698	0	0	0	0	0	0
8	Maharaj ,A (Anaamika)	1	1	425	1	1	425	0	0	0	0	0	0
8	Maharaj ,A (Anaamika)	1	1446	1871	1	1436.5	1871	0	0	0	0	0	0
9	Jolliffe ,SR (Shaun)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Jolliffe ,SR (Shaun)	1	1509.6	1509.6	1	1507.7	1509.6	0	0	0	0	0	0
10	Cumbane ,AE (Augusto Elidio)	1	1	425	1	1	425	0	0	0	0	0	0
10	Cumbane ,AE (Augusto Elidio)	1	1769.1	2194.1	1	1789.6	2194.1	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Sonjica, N (Ntsikelelo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms