Chess South Africa Ratings Database

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Personal

Chimbala, J (Junior)

Chess SA id

199071792

FIDE id

Date of birth

1999-08-22 (Adult)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-09-07

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1799	1811.9	1344.9	1275.6
Raw rating	1799	1811.9	1344.9	1275.6
Weighted rating	1785.5	1788.2	1301.9	1275.6
Weighted performance	1766.6	1773.1	0	0
Floor	1304.1	1318.8	844.9	775.6
K-factor	24	24	36	36
Min/Max rating change allowed	70.6	69.3	134.9	148.9
Highest rating	1804.1 2025-09-01	1833.7 2024-10-01	1456.3 2024-07-01	1564.9 2023-07-01
Highest raw rating	1804.1 2025-09-01	1818.8 2025-09-01	1344.9 2025-03-01	1275.6 2024-02-01
Highest weighted rating	1785.5 2025-09-30	1788.2 2025-09-30	1288.3 2025-08-01	1275.6 2025-06-01
Highest weighted performance	1770.4 2024-10-01	1833.7 2024-10-01	1456.3 2024-07-01	1564.9 2023-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1799	1811.9	1344.9	1275.6
Analysis
Rating	1799	1811.9	1344.9	1275.6
Raw rating	1799	1811.9	1344.9	1275.6
Weighted rating	1785.5	1788.2	1301.9
Weighted performance	1766.6	1773.1	0
K-factor	24	24	36	36
Floor	1304.1	1318.8	844.9	775.6
Max/Min rating change allowed	70.6	69.3	134.9	148.9
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	1799	1811.9	1344.9	1275.6
New weighted rating	1787.5	1792.5	1307.9	1275.6
New weighted performance	1765.9	1772.5	0	0
Temp new rating	1799	1811.9	1344.9	1275.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1799	1811.9	1344.9	1275.6
New K-factor	24	24	36	36
New floor	1304.1	1318.8	844.9	775.6

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	32	25	7	0
	43	29	14	0
	16	10	0	6
	5	5	0	0
	0	0	0	0
History	147	120	21	6

Games since
	Main 75	Standard 54		Rapid 21		Blitz 0
Gender	Male
Age group	Adult
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	153		66		25
Male	147		64		25
Adult	101		44		18
Adult Male	98		44		18
Standard
	RSA		Province		Region
Overall	139		59		23
Male	133		57		23
Adult	91		38		16
Adult Male	89		38		16
Rapid
	RSA		Province		Region
Overall	758		134		12
Male	631		107		10
Adult	170		55		9
Adult Male	165		52		8
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	32	18.5	57.81	66.4	1719.1	1785.5
Standard	25	14	56	51	1749.3	1800.3
Rapid	7	4.5	64.29	121.4	1611.5	1732.9
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	132	71.5	54.17	35.4	1671.2	1706.6
Standard	105	55	52.38	20.2	1701.9	1722.1
Rapid	21	12.5	59.52	81	1534	1615
Blitz	6	4	66.67	141.7	1613.6	1755.3

Date	Main	Standard	Rapid	Blitz
2025-09-30	1799	1811.9	1344.9	1275.6
2025-09-01	1804.1	1818.8	1344.9	1275.6
2025-08-01	1778.6	1791.3	1344.9	1275.6
2025-07-01	1777.2	1802.9	1344.9	1275.6
2025-06-01	1776.3	1802.9	1344.9	1275.6
2025-05-01	1778.7	1808.6	1344.9	1275.6
2025-04-01	1778.7	1808.6	1344.9	1275.6
2025-03-01	1778.7	1808.6	1344.9	1275.6
2025-02-01	1791.8	1814.1	1282.8	1275.6
2025-01-01	1791.8	1814.1	1282.8	1275.6
2024-12-01	1791.8	1814.1	1282.8	1275.6
2024-11-01	1791.8	1814.1	1282.8	1275.6
2024-10-01	1778.9	1791.2	1282.8	1275.6
2024-09-01	1784.1	1730.9	1247.2	1275.6
2024-08-01	1784.1	1730.9	1247.2	1275.6
2024-07-01	1794.8	1730.9	1200	1275.6
2024-06-01	1802	1732.6	1200	1275.6
2024-08-01	1802	1732.6	1200	1275.6
2024-04-01	1788.8	1708	1200	1275.6
2024-03-01	1788.8	1708	1200	1275.6
2024-02-01	1788.8	1708	1200	1275.6
2024-01-01	1785.4	1690.1	1200	1275.6
2023-12-01	1617.8	1614.6	1200	1275.6
2023-11-01	1617.8	1614.6	1200	1275.6

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 Alekhine Open (A)	2025-09-06	2025-09-07	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Chess Power House Aug Open 2025 (A)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
3	2025 Menlo Open (A)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2025 Silver Lakes Chess Club Open Chess Tournament (A)	2025-05-03	2025-05-03	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	JMC Rapid The Bridge School 2025 (Open)	2025-02-23	2025-02-23	Rapid	Johannesburg Metro (GJM)	7	7	4.5	Yes	Analysis
6	2025 Piet Robbertse Fide Rated Open Chess Tournament (A)	2025-02-01	2025-02-02	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Alekhine Open (A)	2025-09-06	2025-09-07	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	Chess Power House Aug Open 2025 (A)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis
3	2025 Menlo Open (A)	2025-07-26	2025-07-26	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
4	2025 Silver Lakes Chess Club Open Chess Tournament (A)	2025-05-03	2025-05-03	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	JMC Rapid The Bridge School 2025 (Open)	2025-02-23	2025-02-23	Rapid	Johannesburg Metro (GJM)	7	7	4.5	Yes	Analysis
6	2025 Piet Robbertse Fide Rated Open Chess Tournament (A)	2025-02-01	2025-02-02	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
7	2024 Gauteng North Open Chess Tournament (A)	2024-10-05	2024-10-06	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
8	2024 Tuks Open Chess Tournament (A)	2024-09-28	2024-09-28	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
9	Centurion Chess Open Tournament 2024 (A)	2024-09-21	2024-09-21	Standard	Tshwane (GTP)	5	5	3.5	Yes	Analysis
10	Chess Power House Spring Rapid 2024	2024-09-01	2024-09-01	Rapid	Johannesburg Metro (GJM)	7	7	3.5	Yes	Analysis
11	JNW Rapid - Helpmekaar Kollege 2024	2024-07-28	2024-07-28	Rapid	Johannesburg Metro (GJM)	7	7	4.5	Yes	Analysis
12	JMC Trinityhouse Little Falls 2024 (A)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
13	2024 Silver Lakes Open Chess Tournament (Prestige)	2024-04-20	2024-04-20	Standard	Tshwane (GTP)	5	4	2	Yes	Analysis
14	JMC Kick Off Tournament 2024 (A)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
15	2023 Centurion Chess Open (A)	2023-09-23	2023-09-23	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
16	2023 Alekhine Open Tournament (Prestige)	2023-09-09	2023-09-10	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
17	JMC - The Higher Ground Restaurant 2nd Blitz Event 2023	2023-07-30	2023-07-30	Blitz	Johannesburg Metro (GJM)	7	6	4	Yes	Analysis
18	JNW Trinityhouse LF 2022 (Masters)	2022-03-12	2022-03-12	Standard	Johannesburg Metro (GJM)	5	5	1.5	Yes	Analysis
19	Ekurhuleni Chess Kempton Park Open 2020 (A)	2020-11-21	2020-11-21	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
20	Alberton Chess Club Open 2020 (A)	2020-02-22	2020-02-22	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
21	2019 Lardies Open (A)	2019-10-26	2019-10-26	Standard	Tshwane (GTP)	5	5	1.5	Yes	Analysis
22	Springs Open 2019 (A)	2019-08-31	2019-08-31	Standard	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
23	2019 Alekhine Open (A)	2019-08-09	2019-08-10	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
24	2019 Menlo Open (B)	2019-07-13	2019-07-13	Standard	Tshwane (GTP)	5	1	0	Yes	Analysis
25	JHB Metro Closed 2019 (Open)	2019-07-27	2019-07-28	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
26	Boksburg Chess Club Open 2019 (B)	2019-07-13	2019-07-13	Standard	Ekurhuleni (GE)	5	5	4	Yes	Analysis

#	Games	Start				End
1	14	Tournament 2025 Menlo Open				Tournament 2025 Alekhine Open
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 0.5
		Opponent Van Der Westhuizen, FJ (Fritz-Jan)				Opponent Koning, L (Lehan)
2	9	Tournament Centurion Chess Open Tournament 2024				Tournament 2024 Gauteng North Open Chess Tournament
		date 2024-09-21	rnd 3	type Standard	result 1	date 2024-10-05	rnd 1	type Standard	result 1
		Opponent Grobler, JTW (Johannes Theodorus Wessel)				Opponent Janse Van Rensburg, G (Gerrit)
3	6	Tournament 2019 Alekhine Open				Tournament 2019 Lardies Open
		date 2019-08-10	rnd 5	type Standard	result 0.5	date 2019-10-26	rnd 1	type Standard	result 0.5
		Opponent Govender, Y (Yaduvir)				Opponent Wasserman, JF (Johan)

#	Games	Start				End
1	14	Tournament 2025 Menlo Open				Tournament 2025 Alekhine Open
		date 2025-07-26	rnd 2	type Standard	result 1	date 2025-09-07	rnd 5	type Standard	result 0.5
		Opponent Van Der Westhuizen, FJ (Fritz-Jan)				Opponent Koning, L (Lehan)
2	9	Tournament Centurion Chess Open Tournament 2024				Tournament 2024 Gauteng North Open Chess Tournament
		date 2024-09-21	rnd 3	type Standard	result 1	date 2024-10-05	rnd 1	type Standard	result 1
		Opponent Grobler, JTW (Johannes Theodorus Wessel)				Opponent Janse Van Rensburg, G (Gerrit)
3	6	Tournament 2019 Alekhine Open				Tournament 2019 Lardies Open
		date 2019-08-10	rnd 5	type Standard	result 0.5	date 2019-10-26	rnd 1	type Standard	result 0.5
		Opponent Govender, Y (Yaduvir)				Opponent Wasserman, JF (Johan)

#	Games	Start				End
1	4	Tournament Chess Power House Spring Rapid 2024				Tournament JMC Rapid The Bridge School 2025
		date 2024-09-01	rnd 6	type Rapid	result 1	date 2025-02-23	rnd 2	type Rapid	result 1
		Opponent D`Alton, E (Ezra)				Opponent Shen Yu, F (Frank)
2	3	Tournament JNW Rapid - Helpmekaar Kollege 2024				Tournament JNW Rapid - Helpmekaar Kollege 2024
		date 2024-07-28	rnd 5	type Rapid	result 0.5	date 2024-07-28	rnd 7	type Rapid	result 1
		Opponent Moty, D (Darren)				Opponent Mawodzeka, J (Jabulani)
3	2	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 4	type Rapid	result 0.5	date 2025-02-23	rnd 5	type Rapid	result 1
		Opponent Assabi, O (Ofer)				Opponent Dukhan, K (Kashvir)

#	Games	Start				End
1	2	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 6	type Blitz	result 1	date 2023-07-30	rnd 7	type Blitz	result 1
		Opponent Weng, D (Daniel)				Opponent Dukhan, K (Kashvir)
2	2	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 2	type Blitz	result 1	date 2023-07-30	rnd 3	type Blitz	result 1
		Opponent Donald, J (Joshua)				Opponent Weng, Y (Yu Bo (David))

#	Games	Start				End
1	4	Tournament Boksburg Chess Club Open 2019				Tournament Boksburg Chess Club Open 2019
		date 2019-07-13	rnd 1	type Standard	result 1	date 2019-07-13	rnd 4	type Standard	result 1
		Opponent Jones, E (Edward)				Opponent Higgins, F (Franco)
2	3	Tournament Ekurhuleni Chess Kempton Park Open 2020				Tournament Ekurhuleni Chess Kempton Park Open 2020
		date 2020-11-21	rnd 3	type Standard	result 1	date 2020-11-21	rnd 5	type Standard	result 1
		Opponent Matjeke, F (Frans)				Opponent Dinham, J (James)
3	2	Tournament Chess Power House Aug Open 2025				Tournament Chess Power House Aug Open 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Munenga, I (Isheanesu Dylan)				Opponent Kgaphola, M (Moloko)

#	Games	Start				End
1	4	Tournament Boksburg Chess Club Open 2019				Tournament Boksburg Chess Club Open 2019
		date 2019-07-13	rnd 1	type Standard	result 1	date 2019-07-13	rnd 4	type Standard	result 1
		Opponent Jones, E (Edward)				Opponent Higgins, F (Franco)
2	3	Tournament Ekurhuleni Chess Kempton Park Open 2020				Tournament Ekurhuleni Chess Kempton Park Open 2020
		date 2020-11-21	rnd 3	type Standard	result 1	date 2020-11-21	rnd 5	type Standard	result 1
		Opponent Matjeke, F (Frans)				Opponent Dinham, J (James)
3	2	Tournament Chess Power House Aug Open 2025				Tournament Chess Power House Aug Open 2025
		date 2025-08-16	rnd 3	type Standard	result 1	date 2025-08-16	rnd 4	type Standard	result 1
		Opponent Munenga, I (Isheanesu Dylan)				Opponent Kgaphola, M (Moloko)

#	Games	Start				End
1	2	Tournament JMC Rapid The Bridge School 2025				Tournament JMC Rapid The Bridge School 2025
		date 2025-02-23	rnd 1	type Rapid	result 1	date 2025-02-23	rnd 2	type Rapid	result 1
		Opponent Mohonwe, LK (Lebone Kgosi)				Opponent Shen Yu, F (Frank)
2	2	Tournament JNW Rapid - Helpmekaar Kollege 2024				Tournament JNW Rapid - Helpmekaar Kollege 2024
		date 2024-07-28	rnd 6	type Rapid	result 1	date 2024-07-28	rnd 7	type Rapid	result 1
		Opponent Immerman, M (Mikayla)				Opponent Mawodzeka, J (Jabulani)
3	2	Tournament JNW Rapid - Helpmekaar Kollege 2024				Tournament JNW Rapid - Helpmekaar Kollege 2024
		date 2024-07-28	rnd 1	type Rapid	result 1	date 2024-07-28	rnd 2	type Rapid	result 1
		Opponent Upadhyay, S (Savya)				Opponent Visi, M (Moloko)

#	Games	Start				End
1	2	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 6	type Blitz	result 1	date 2023-07-30	rnd 7	type Blitz	result 1
		Opponent Weng, D (Daniel)				Opponent Dukhan, K (Kashvir)
2	2	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 2	type Blitz	result 1	date 2023-07-30	rnd 3	type Blitz	result 1
		Opponent Donald, J (Joshua)				Opponent Weng, Y (Yu Bo (David))

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	Makhosonke ,KM (Kuhlase Matthiolus)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
1	Makhosonke ,KM (Kuhlase Matthiolus)	3	1841.3	1699.6	3	1824.1	1699.6	0	0	0	0	0	0
2	Dinham ,J (James)	3	1	-141.7	2	1	0	1	0	-425	0	0	0
2	Dinham ,J (James)	3	1919.3	1777.7	2	1887.8	1919.3	1	1887.2	1494.3	0	0	0
3	Jones ,W (William)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Jones ,W (William)	2	1754.7	1542.2	2	1764.7	1542.2	0	0	0	0	0	0
4	Gardiner ,N (Noa)	2	1	0	2	1	0	0	0	0	0	0	0
4	Gardiner ,N (Noa)	2	1436.2	1436.2	2	1418.9	1436.2	0	0	0	0	0	0
5	Grobler ,JTW (Johannes Theodorus Wessel)	2	1	0	2	1	0	0	0	0	0	0	0
5	Grobler ,JTW (Johannes Theodorus Wessel)	2	1629.3	1629.3	2	1629.4	1629.3	0	0	0	0	0	0
6	Nene ,TH (Themba Hope)	2	1	0	2	1	0	0	0	0	0	0	0
6	Nene ,TH (Themba Hope)	2	1871.5	1871.5	2	1910.2	1871.5	0	0	0	0	0	0
7	Mhango ,BF (Banele)	2	0	-425	2	0	-425	0	0	0	0	0	0
7	Mhango ,BF (Banele)	2	2268.8	1843.8	2	2259.6	1843.8	0	0	0	0	0	0
8	Oatlhotse ,P (Providence)	2	0	-425	2	0	-425	0	0	0	0	0	0
8	Oatlhotse ,P (Providence)	2	2196.5	1771.5	2	2220.5	1771.5	0	0	0	0	0	0
9	Koning ,L (Lehan)	2	1	0	2	1	0	0	0	0	0	0	0
9	Koning ,L (Lehan)	2	1663	1663	2	1664.8	1663	0	0	0	0	0	0
10	Smit ,YH (Yoshua Hendrik)	2	1	0	2	1	0	0	0	0	0	0	0
10	Smit ,YH (Yoshua Hendrik)	2	1679.9	1679.9	2	1702.4	1679.9	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Chimbala, J (Junior)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms