Chess South Africa Ratings Database

PLAYER PAGE

Personal

Machika, J (Jabulile)

Chess SA id

2070102572

FIDE id

Date of birth

2007-10-01 (U20)

Gender

Female

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-05-27

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1264.4	1206	1280.4	1200
Raw rating	1264.4	1206	1280.4	1200
Weighted rating	1229.7	1205.9	1229.5	1200
Weighted performance	692	574.8	0	0
Floor	764.4	737.5	780.4	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.3	164.4	147.9	165.8
Highest rating	1402.7 2019-07-01	1400.3 2019-07-01	1280.4 2025-06-01	1200 2018-10-01
Highest raw rating	1264.4 2025-06-01	1237.5 2019-12-01	1280.4 2025-06-01	1200 2024-03-01
Highest weighted rating	1264.4 2021-08-01	1237.5 2021-08-01	1218.5 2025-08-01	1200 2018-10-01
Highest weighted performance	1402.7 2019-07-01	1400.3 2019-07-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1264.4	1206	1280.4	1200
Analysis
Rating	1264.4	1206	1280.4	1200
Raw rating	1264.4	1206	1280.4	1200
Weighted rating	1229.7	1205.9	1229.5
Weighted performance	692	574.8	0
K-factor	36	36	36	36
Floor	764.4	737.5	780.4	700
Max/Min rating change allowed	151.3	164.4	147.9	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	1264.4	1206	1280.4	1200
New weighted rating	1233.2	1205.9	1234.6	1200
New weighted performance	691.6	574.4	0	0
Temp new rating	1264.4	1206	1280.4	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1264.4	1206	1280.4	1200
New K-factor	36	36	36	36
New floor	764.4	737.5	780.4	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	8	8	0
	12	5	7
	0	0	0
History	39	32	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Female
Age group	U20
Region	Tshwane (GTP)
Province	Gauteng (GT)
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	39	22	56.41	54.5	1225.1	1279.6
Standard	32	16	50	0	1221.9	1221.9
Rapid	7	6	85.71	303.6	1239.9	1543.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1264.4	1206	1280.4	1200
2025-09-01	1264.4	1206	1280.4	1200
2025-08-01	1264.4	1206	1280.4	1200
2025-07-01	1264.4	1206	1280.4	1200
2025-06-01	1264.4	1206	1280.4	1200
2025-05-01	1209.7	1206	1200	1200
2025-04-01	1209.7	1206	1200	1200
2025-03-01	1209.7	1206	1200	1200
2025-02-01	1209.7	1206	1200	1200
2025-01-01	1209.6	1205.8	1200	1200
2024-12-01	1209.6	1205.8	1200	1200
2024-11-01	1209.6	1205.8	1200	1200
2024-10-01	1209.6	1205.8	1200	1200
2024-09-01	1209.6	1205.8	1200	1200
2024-08-01	1209.6	1205.8	1200	1200
2024-07-01	1209.6	1205.8	1200	1200
2024-06-01	1209.6	1205.8	1200	1200
2024-08-01	1209.6	1205.8	1200	1200
2024-04-01	1209.6	1205.8	1200	1200
2024-03-01	1209.6	1205.8	1200	1200
2024-02-01	1209.6	1205.8	1200	1200
2024-01-01	1209.6	1205.8	1200	1200
2023-12-01	1209.6	1205.8	1200	1200
2023-11-01	1209.6	1205.8	1200	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	2023 Gauteng North School District CLOSED Individual Championships (U18 Girls)	2023-05-13	2023-05-13	Standard	Tshwane (GTP)	5	3	1	Yes	Analysis
2	Gauteng Schools Individual Finals 2023 (U18 Girls)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
3	Gauteng North District Individual Chess Finals 2022 (U15 Girls)	2022-06-11	2022-06-11	Rapid	Tshwane (GTP)	7	7	6	Yes	Analysis
4	2022 Gauteng Schools Individual Chess Championship (U15 Girls)	2022-06-18	2022-06-18	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
5	2019 Gauteng School League Finals (U13 Girls)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
6	2019 D1 Gauteng North Schools League Team Finals (U13 Mixed+U15 Girls)	2019-07-20	2019-07-20	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
7	2019 D1 School Individual Finals (U13 Girls)	2019-04-13	2019-04-13	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
8	2018 D1 Gauteng North Individual Chess Championships (U11 Girls)	2018-05-19	2018-05-19	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	5	Tournament Gauteng North District Individual Chess Finals 2022				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-06-18	rnd 1	type Standard	result 1
		Opponent Masango, A (Althea)				Opponent Mbolongwe, N (Nonhlanhla)
2	3	Tournament 2019 Gauteng School League Finals				Tournament Gauteng North District Individual Chess Finals 2022
		date 2019-08-23	rnd 5	type Standard	result 1	date 2022-06-11	rnd 2	type Rapid	result 1
		Opponent Nkonyana, T (Thandolwethu)				Opponent Zwane, K (Kamogelo)
3	3	Tournament 2019 D1 School Individual Finals				Tournament 2019 D1 Gauteng North Schools League Team Finals
		date 2019-04-13	rnd 5	type Standard	result 1	date 2019-07-20	rnd 2	type Standard	result 1
		Opponent Strydom, J (Juanitta)				Opponent Sibanyoni, N (Ntando)

#	Games	Start				End
1	3	Tournament 2019 D1 School Individual Finals				Tournament 2019 D1 Gauteng North Schools League Team Finals
		date 2019-04-13	rnd 5	type Standard	result 1	date 2019-07-20	rnd 2	type Standard	result 1
		Opponent Strydom, J (Juanitta)				Opponent Sibanyoni, N (Ntando)
2	2	Tournament 2019 Gauteng School League Finals				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2019-08-23	rnd 5	type Standard	result 1	date 2022-06-18	rnd 1	type Standard	result 1
		Opponent Nkonyana, T (Thandolwethu)				Opponent Mbolongwe, N (Nonhlanhla)
3	2	Tournament 2019 D1 Gauteng North Schools League Team Finals				Tournament 2019 Gauteng School League Finals
		date 2019-07-20	rnd 5	type Standard	result 1	date 2019-08-23	rnd 1	type Standard	result 1
		Opponent De Lange, S (Sophia)				Opponent Masango, K (Karabo)

#	Games	Start				End
1	4	Tournament Gauteng North District Individual Chess Finals 2022				Tournament Gauteng North District Individual Chess Finals 2022
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 7	type Rapid	result 1
		Opponent Masango, A (Althea)				Opponent Masilela, T (Thandeka)
2	2	Tournament Gauteng North District Individual Chess Finals 2022				Tournament Gauteng North District Individual Chess Finals 2022
		date 2022-06-11	rnd 1	type Rapid	result 1	date 2022-06-11	rnd 2	type Rapid	result 1
		Opponent Mnguni, S (Sphesihle)				Opponent Zwane, K (Kamogelo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Gauteng North District Individual Chess Finals 2022				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-06-18	rnd 1	type Standard	result 1
		Opponent Masango, A (Althea)				Opponent Mbolongwe, N (Nonhlanhla)
2	3	Tournament 2019 Gauteng School League Finals				Tournament Gauteng North District Individual Chess Finals 2022
		date 2019-08-23	rnd 5	type Standard	result 1	date 2022-06-11	rnd 2	type Rapid	result 1
		Opponent Nkonyana, T (Thandolwethu)				Opponent Zwane, K (Kamogelo)
3	3	Tournament 2019 D1 School Individual Finals				Tournament 2019 D1 Gauteng North Schools League Team Finals
		date 2019-04-13	rnd 5	type Standard	result 1	date 2019-07-20	rnd 2	type Standard	result 1
		Opponent Strydom, J (Juanitta)				Opponent Sibanyoni, N (Ntando)

#	Games	Start				End
1	3	Tournament 2019 D1 School Individual Finals				Tournament 2019 D1 Gauteng North Schools League Team Finals
		date 2019-04-13	rnd 5	type Standard	result 1	date 2019-07-20	rnd 2	type Standard	result 1
		Opponent Strydom, J (Juanitta)				Opponent Sibanyoni, N (Ntando)
2	2	Tournament 2019 Gauteng School League Finals				Tournament 2022 Gauteng Schools Individual Chess Championship
		date 2019-08-23	rnd 5	type Standard	result 1	date 2022-06-18	rnd 1	type Standard	result 1
		Opponent Nkonyana, T (Thandolwethu)				Opponent Mbolongwe, N (Nonhlanhla)
3	2	Tournament 2019 D1 Gauteng North Schools League Team Finals				Tournament 2019 Gauteng School League Finals
		date 2019-07-20	rnd 5	type Standard	result 1	date 2019-08-23	rnd 1	type Standard	result 1
		Opponent De Lange, S (Sophia)				Opponent Masango, K (Karabo)

#	Games	Start				End
1	4	Tournament Gauteng North District Individual Chess Finals 2022				Tournament Gauteng North District Individual Chess Finals 2022
		date 2022-06-11	rnd 4	type Rapid	result 1	date 2022-06-11	rnd 7	type Rapid	result 1
		Opponent Masango, A (Althea)				Opponent Masilela, T (Thandeka)
2	2	Tournament Gauteng North District Individual Chess Finals 2022				Tournament Gauteng North District Individual Chess Finals 2022
		date 2022-06-11	rnd 1	type Rapid	result 1	date 2022-06-11	rnd 2	type Rapid	result 1
		Opponent Mnguni, S (Sphesihle)				Opponent Zwane, K (Kamogelo)

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	Masilela ,T (Thandeka)	3	2	141.7	2	1	0	1	1	425	0	0	0
1	Masilela ,T (Thandeka)	3	1200	1341.7	2	1200	1200	1	1200	1625	0	0	0
2	Nkalanga ,T (Thando)	2	1	0	2	1	0	0	0	0	0	0	0
2	Nkalanga ,T (Thando)	2	1184.8	1184.8	2	1181.6	1184.8	0	0	0	0	0	0
3	Swart ,L (Lindie)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Swart ,L (Lindie)	2	1190.8	765.8	2	1186.4	765.8	0	0	0	0	0	0
4	Monnig ,E (Erika)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	Monnig ,E (Erika)	2	1551	1126	1	1545.6	1126	1	671.2	1126	0	0	0
5	Mostert ,C (Chantelle)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Mostert ,C (Chantelle)	1	1212	787	1	1215.2	787	0	0	0	0	0	0
6	Nkonyana ,T (Thandolwethu)	1	1	425	1	1	425	0	0	0	0	0	0
6	Nkonyana ,T (Thandolwethu)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Sibanyoni ,N (Ntando)	1	1	425	1	1	425	0	0	0	0	0	0
7	Sibanyoni ,N (Ntando)	1	1201.4	1626.4	1	1202.8	1626.4	0	0	0	0	0	0
8	Van Deventer ,D (Danielle)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Van Deventer ,D (Danielle)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Motsoari ,B (Boitshepo)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Motsoari ,B (Boitshepo)	1	1010.1	585.1	1	974.8	585.1	0	0	0	0	0	0
10	Grobbelaar ,E (Erika)	1	1	425	1	1	425	0	0	0	0	0	0
10	Grobbelaar ,E (Erika)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Machika, J (Jabulile)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms