Chess South Africa Ratings Database

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Personal

Mpuru, J (JK MoAfrika)

Chess SA id

1140144676

FIDE id

Date of birth

2014-04-24 (U14)

Gender

Male

Region

Eden (WEG)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-25

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1672.5	1679.5	1441.5	1149.4
Raw rating	1672.5	1679.5	1441.5	1149.4
Weighted rating	1608.8	1616.7	1373	1142.5
Weighted performance	1613	1604.9	1425.5	0
Floor	1172.5	1179.5	941.5	700
K-factor	28	28	32	36
Min/Max rating change allowed	84.6	83.7	117.5	178.2
Highest rating	1672.5 2025-11-30	1679.5 2025-09-30	1462.3 2024-06-01	1200 2018-10-01
Highest raw rating	1672.5 2025-11-30	1679.5 2025-09-30	1441.5 2025-11-30	1200 2024-02-01
Highest weighted rating	1600.5 2025-11-30	1588.3 2025-09-30	1364.6 2025-11-30	1200 2018-10-01
Highest weighted performance	1665.3 2025-09-30	1678.1 2024-07-01	1462.3 2024-06-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1672.5	1679.5	1441.5	1149.4
Analysis
Rating	1672.5	1679.5	1441.5	1149.4
Raw rating	1672.5	1679.5	1441.5	1149.4
Weighted rating	1608.8	1616.7	1373
Weighted performance	1613	1604.9	1425.5
K-factor	28	28	32	36
Floor	1172.5	1179.5	941.5	700
Max/Min rating change allowed	84.6	83.7	117.5	178.2
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	1672.5	1679.5	1441.5	1149.4
New weighted rating	1616.5	1624.6	1380.8	1142.7
New weighted performance	1602.1	1593.9	1415.5	0
Temp new rating	1672.5	1679.5	1441.5	1149.4
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1672.5	1679.5	1441.5	1149.4
New K-factor	28	28	32	36
New floor	1172.5	1179.5	941.5	700

Item	Main	Standard	Rapid	Blitz
	0	0	0	0
	83	67	16	0
	82	57	9	16
	54	54	0	0
	31	21	10	0
	0	0	0	0
History	250	199	35	16

Games since
	Main 165	Standard 124		Rapid 25		Blitz 16
Gender	Male
Age group	U12
Region	Eden (WEG)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	376		116		20
Male	351		109		18
U12	19		6		3
U12 Male	17		5		2
Standard
	RSA		Province		Region
Overall	349		100		13
Male	323		94		12
U12	17		6		3
U12 Male	15		5		2
Rapid
	RSA		Province		Region
Overall	364		176		15
Male	322		156		14
U12	42		22		1
U12 Male	37		19		1
Blitz
	RSA		Province		Region
Overall	572		202		86
Male	499		178		76
U12	37		13		8
U12 Male	28		10		7


	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	83	65	78.31	240.7	1423.1	1663.8
Standard	67	52	77.61	234.7	1422.5	1657.2
Rapid	16	13	81.25	265.6	1425.5	1691.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	250	181	72.4	190.4	1344.4	1534.8
Standard	199	148.5	74.62	209.3	1343.3	1552.6
Rapid	35	27	77.14	230.7	1370	1600.7
Blitz	16	5.5	34.38	-132.8	1301	1168.2

Date	Main	Standard	Rapid	Blitz
2026-01-01	1672.5	1679.5	1441.5	1149.4
2025-11-30	1672.5	1679.5	1441.5	1149.4
2025-11-01	1664.9	1679.5	1379.3	1149.4
2025-09-30	1660.8	1679.5	1376	1149.4
2025-09-01	1642	1656.5	1376	1149.4
2025-08-01	1626.6	1636.9	1376	1149.4
2025-07-01	1657.6	1678.1	1376	1149.4
2025-06-01	1612	1616.8	1376	1149.4
2025-05-01	1594.4	1608	1376	1149.4
2025-04-01	1591	1600.3	1376	1149.4
2025-03-01	1576.6	1578.7	1376	1149.4
2025-02-01	1537	1534.8	1352.7	1147.7
2025-01-01	1537	1534.8	1352.7	1103.2
2024-12-01	1537	1534.8	1352.7	1103.2
2024-11-01	1537	1534.8	1352.7	1103.2
2024-10-01	1549.9	1549.2	1343.7	1103.2
2024-09-01	1559.7	1571.6	1343.7	1103.2
2024-11-01	1562.6	1577	1343.7	1103.2
2024-07-01	1554.4	1539.6	1343.7	1155.4
2024-06-01	1526.8	1539.6	1242.2	1155.4
2024-05-01	1543.7	1543.8	1242.2	1200
2024-04-01	1499.8	1495.8	1242.2	1200
2024-03-01	1467.9	1454.5	1242.2	1200
2024-02-01	1464.4	1440.1	1242.2	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	Laerskool George Suid 2025 (Ope)	2025-10-25	2025-10-25	Rapid	Eden (WEG)	5	5	5	Yes	Analysis
2	HCPS Invitational Rapid Tournament 2025 (U11)	2025-10-18	2025-10-18	Rapid	Eden (WEG)	6	6	4	Yes	Analysis
3	Western Cape Schools - Top Schools 2025 (U11)	2025-09-06	2025-09-07	Standard	Overberg (WOS)	6	6	5.5	Yes	Analysis
4	Eden Top Schools 2025 (U11 Open)	2025-08-16	2025-08-16	Standard	Eden (WEG)	5	5	5	Yes	Analysis
5	George Top Schools 2025 (U13)	2025-07-26	2025-07-26	Standard	Eden (WEG)	5	5	3	Yes	Analysis
6	2025 WC Rural Cup (U12)	2025-06-14	2025-06-15	Standard	Eden (WEG)	6	6	6	Yes	Analysis
7	Western Cape Schools Individual Championship 2025 (U11 Boys)	2025-05-17	2025-05-18	Standard	Cape Winelands (WCW)	6	6	4.5	Yes	Analysis
8	Southern Knights Rapid 2025 (B)	2025-05-03	2025-05-03	Rapid	Eden (WEG)	7	0	0	No	Analysis
9	Eden Chess Trials 2 2025 (U12)	2025-03-15	2025-04-12	Standard	Eden (WEG)	10	10	8.5	Yes	Analysis
10	South African Junior Closed Chess Championships 2025 (U12 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	3.5	Yes	Analysis
11	Eden Schools Chess Trials 1 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Eden (WEG)	5	5	4	Yes	Analysis
12	George Schools Chess Trials 3 2025 (U11 Boys)	2025-03-01	2025-03-01	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
13	Loerie Skaaktoernooi 2025	2025-02-22	2025-02-22	Rapid	Eden (WEG)	5	5	4	Yes	Analysis
14	George Schools Chess Trials 2 2025 (U11 Boys)	2025-02-15	2025-02-15	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
15	George Schools Chess Trials 1 2025 (U11 Boys)	2025-02-01	2025-02-01	Standard	Eden (WEG)	5	5	5	Yes	Analysis
16	George Suid Senior Skaaktoernooi 2024	2024-10-26	2024-10-26	Rapid	Eden (WEG)	5	5	3.5	Yes	Analysis
17	Eden Chess Union League 2024 (1st Division)	2024-10-12	2024-10-12	Standard	Eden (WEG)	5	5	3	Yes	Analysis
18	Western Cape Top Schools Championship 2024 (U11 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	6	3.5	Yes	Analysis
19	Eden Top Schools 2024 (U11 Open)	2024-08-17	2024-08-17	Standard	Eden (WEG)	5	5	4	Yes	Analysis
20	InterClub Blitz 3 Open 2024	2024-07-18	2024-07-18	Blitz	Eden (WEG)	10	8	3	Yes	Analysis
21	George Primary Top Schools 2024 (U11)	2024-07-20	2024-07-20	Standard	Eden (WEG)	5	5	5	Yes	Analysis
22	Western Cape - Kings and Queens 2024 (Boys)	2024-06-08	2024-06-08	Rapid	Overberg (WOS)	5	4	4	Yes	Analysis
23	InterClub Blitz 2 2024	2024-05-16	2024-05-16	Blitz	Eden (WEG)	10	8	2.5	Yes	Analysis
24	Western Cape PS Individuals Championship 2024 (U11 Boys)	2024-05-04	2024-05-05	Standard	West Coast (WCU)	6	6	4	Yes	Analysis
25	Eden Chess Trials 2 2024 (U12)	2024-04-13	2024-04-20	Standard	Eden (WEG)	10	10	7	Yes	Analysis
26	Eden School Chess Trials 1 2024 (U11 Boys)	2024-03-09	2024-03-09	Standard	Eden (WEG)	5	5	4	Yes	Analysis
27	George Schools Trials 3 2024 (U11 Boys)	2024-03-02	2024-03-02	Standard	Eden (WEG)	5	5	4	Yes	Analysis
28	George Schools Trials 2 2024 (U11 Boys)	2024-02-17	2024-02-17	Standard	Eden (WEG)	5	5	4	Yes	Analysis
29	George Schools Trials 1 2024 (U11 Boys)	2024-02-03	2024-02-03	Standard	Eden (WEG)	5	5	3.5	Yes	Analysis
30	Eden Chess Union League 2023 (1st Division)	2023-11-11	2023-11-11	Standard	Eden (WEG)	5	3	0	Yes	Analysis
31	Western Cape Top Schools 2023 (U9 Mixed)	2023-09-02	2023-09-03	Standard	Cape Winelands (WCW)	6	5	3	Yes	Analysis
32	Eden Top Schools 2023 (U9 Mix)	2023-08-19	2023-08-19	Standard	Eden (WEG)	5	5	5	Yes	Analysis
33	Top Schools 2023 (U9)	2023-07-29	2023-07-29	Standard	Eden (WEG)	5	5	5	Yes	Analysis
34	Western Cape PS Individuals 2023 (U9 Boys)	2023-05-05	2023-05-06	Standard	Cape Town (WCT)	6	6	5	Yes	Analysis
35	Eden Trials 2+3 2023 (U10)	2023-04-15	2023-05-13	Standard	Eden (WEG)	10	10	6.5	Yes	Analysis
36	Eden Trails 1 2023 (U9 Boys)	2023-03-11	2023-03-11	Standard	Eden (WEG)	5	5	4	Yes	Analysis
37	George Chess Trials 3 2023 (U9 Boys)	2023-02-25	2023-02-25	Standard	Eden (WEG)	5	5	3	Yes	Analysis
38	George Chess Trials 2 2023 (U9 Boys)	2023-02-11	2023-02-11	Standard	Cape Town (WCT)	5	5	4	Yes	Analysis
39	George Chess Trials 1 2023 (U9 Boys)	2023-01-28	2023-01-28	Standard	Eden (WEG)	5	5	4	Yes	Analysis
40	George Open 2022 (D)	2022-12-03	2022-12-03	Standard	Eden (WEG)	5	5	4	Yes	Analysis
41	George-Suid Senior Skaaktoernooi 2022	2022-10-22	2022-10-22	Rapid	Eden (WEG)	5	4	3	Yes	Analysis
42	Western Cape Top Schools 2022 (U9 Mix)	2022-09-16	2022-09-17	Standard	Overberg (WOS)	5	5	2.5	Yes	Analysis
43	Pacaltsdorp Chess Club 2022 (Development)	2022-08-27	2022-08-27	Rapid	Eden (WEG)	6	6	3.5	Yes	Analysis
44	Eden Topskole 2022 (O9 Ope)	2022-08-13	2022-08-13	Standard	Eden (WEG)	6	6	4	Yes	Analysis
45	George Topskole 2022 (O9)	2022-07-30	2022-07-30	Standard	Eden (WEG)	5	5	4.5	Yes	Analysis

#	Games	Start				End
1	14	Tournament Eden Trials 2+3 2023				Tournament Western Cape Top Schools 2023
		date 2023-05-13	rnd 10	type Standard	result 0.5	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Brewis, F (Fox)				Opponent Pearson, R (Rylee)
2	13	Tournament Eden Top Schools 2025				Tournament HCPS Invitational Rapid Tournament 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-10-18	rnd 2	type Rapid	result 1
		Opponent Nomdo, A (Ajay)				Opponent Stoffels, C (Connor)
3	9	Tournament Western Cape Schools Individual Championship 2025				Tournament George Top Schools 2025
		date 2025-05-18	rnd 5	type Standard	result 0.5	date 2025-07-26	rnd 1	type Standard	result 1
		Opponent Beukes, B (Benjamin)				Opponent Booysen, C (Chad)

#	Games	Start				End
1	14	Tournament Eden Trials 2+3 2023				Tournament Western Cape Top Schools 2023
		date 2023-05-13	rnd 10	type Standard	result 0.5	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Brewis, F (Fox)				Opponent Pearson, R (Rylee)
2	11	Tournament Eden Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-09-07	rnd 6	type Standard	result 1
		Opponent Nomdo, A (Ajay)				Opponent Kruger, M (Migael)
3	9	Tournament Western Cape Schools Individual Championship 2025				Tournament George Top Schools 2025
		date 2025-05-18	rnd 5	type Standard	result 0.5	date 2025-07-26	rnd 1	type Standard	result 1
		Opponent Beukes, B (Benjamin)				Opponent Booysen, C (Chad)

#	Games	Start				End
1	11	Tournament George-Suid Senior Skaaktoernooi 2022				Tournament George Suid Senior Skaaktoernooi 2024
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2024-10-26	rnd 4	type Rapid	result 1
		Opponent Ackerman, G (Gabriella)				Opponent Mouton, P (Paul)
2	3	Tournament Loerie Skaaktoernooi 2025				Tournament Loerie Skaaktoernooi 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Plaatjies, A (Ayren)				Opponent Steenberg, H (Hendre)
3	3	Tournament Pacaltsdorp Chess Club 2022				Tournament Pacaltsdorp Chess Club 2022
		date 2022-08-27	rnd 1	type Rapid	result 1	date 2022-08-27	rnd 3	type Rapid	result 1
		Opponent Segole, R (Randall)				Opponent Moses, J (Jay-Leigh)

#	Games	Start				End
1	2	Tournament InterClub Blitz 2 2024				Tournament InterClub Blitz 2 2024
		date 2024-05-16	rnd 3	type Blitz	result 0.5	date 2024-05-16	rnd 4	type Blitz	result 1
		Opponent Adams, J (Jayden)				Opponent Adams, J (Jayden)
2	1	Tournament InterClub Blitz 3 Open 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-07-18	rnd 9	type Blitz	result 1	date 2024-07-18	rnd 9	type Blitz	result 1
		Opponent Oktober, D (Dimitri)				Opponent Oktober, D (Dimitri)
3	1	Tournament InterClub Blitz 3 Open 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-07-18	rnd 6	type Blitz	result 1	date 2024-07-18	rnd 6	type Blitz	result 1
		Opponent Kerspuy, G (Gurswin)				Opponent Kerspuy, G (Gurswin)

#	Games	Start				End
1	13	Tournament Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Venter, R (Rickus)				Opponent Pearson, R (Rylee)
2	8	Tournament Eden Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Nomdo, A (Ajay)				Opponent Josling, R (Rafael)
3	8	Tournament Western Cape Schools Individual Championship 2025				Tournament George Top Schools 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-07-26	rnd 1	type Standard	result 1
		Opponent Josephs, C (Connor)				Opponent Booysen, C (Chad)

#	Games	Start				End
1	13	Tournament Top Schools 2023				Tournament Western Cape Top Schools 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-09-02	rnd 3	type Standard	result 1
		Opponent Venter, R (Rickus)				Opponent Pearson, R (Rylee)
2	8	Tournament Eden Top Schools 2025				Tournament Western Cape Schools - Top Schools 2025
		date 2025-08-16	rnd 1	type Standard	result 1	date 2025-09-06	rnd 3	type Standard	result 1
		Opponent Nomdo, A (Ajay)				Opponent Josling, R (Rafael)
3	8	Tournament Western Cape Schools Individual Championship 2025				Tournament George Top Schools 2025
		date 2025-05-18	rnd 6	type Standard	result 1	date 2025-07-26	rnd 1	type Standard	result 1
		Opponent Josephs, C (Connor)				Opponent Booysen, C (Chad)

#	Games	Start				End
1	8	Tournament George-Suid Senior Skaaktoernooi 2022				Tournament George Suid Senior Skaaktoernooi 2024
		date 2022-10-22	rnd 3	type Rapid	result 1	date 2024-10-26	rnd 1	type Rapid	result 1
		Opponent Ackerman, G (Gabriella)				Opponent Matthews, M (Meerah)
2	3	Tournament Loerie Skaaktoernooi 2025				Tournament Loerie Skaaktoernooi 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Plaatjies, A (Ayren)				Opponent Steenberg, H (Hendre)
3	2	Tournament George Suid Senior Skaaktoernooi 2024				Tournament George Suid Senior Skaaktoernooi 2024
		date 2024-10-26	rnd 3	type Rapid	result 1	date 2024-10-26	rnd 4	type Rapid	result 1
		Opponent James, W (William)				Opponent Mouton, P (Paul)

#	Games	Start				End
1	1	Tournament InterClub Blitz 3 Open 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-07-18	rnd 9	type Blitz	result 1	date 2024-07-18	rnd 9	type Blitz	result 1
		Opponent Oktober, D (Dimitri)				Opponent Oktober, D (Dimitri)
2	1	Tournament InterClub Blitz 3 Open 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-07-18	rnd 6	type Blitz	result 1	date 2024-07-18	rnd 6	type Blitz	result 1
		Opponent Kerspuy, G (Gurswin)				Opponent Kerspuy, G (Gurswin)
3	1	Tournament InterClub Blitz 3 Open 2024				Tournament InterClub Blitz 3 Open 2024
		date 2024-07-18	rnd 3	type Blitz	result 1	date 2024-07-18	rnd 3	type Blitz	result 1
		Opponent Jansen, G (Giovante)				Opponent Jansen, G (Giovante)

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	Van Staden ,P (Pearson)	8	1	-318.8	7	1	-303.6	1	0	-425	0	0	0
1	Van Staden ,P (Pearson)	8	1638	1319.3	7	1644.7	1334.5	1	1128.3	1213	0	0	0
2	Greeff ,M (Mari)	6	5	283.3	6	5	283.3	0	0	0	0	0	0
2	Greeff ,M (Mari)	6	1507.8	1791.2	6	1523.2	1791.2	0	0	0	0	0	0
3	James ,W (William)	6	5	283.3	5	4	255	1	1	425	0	0	0
3	James ,W (William)	6	1331	1614.4	5	1297.6	1586	1	1200	1756	0	0	0
4	Van Der Merwe ,O (Oliver)	5	4.5	340	4	3.5	318.8	1	1	425	0	0	0
4	Van Der Merwe ,O (Oliver)	5	1467.4	1807.4	4	1455	1786.2	1	1315.9	1892.4	0	0	0
5	Pfaff ,J (Joel)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
5	Pfaff ,J (Joel)	4	1322.8	1535.3	4	1317.8	1535.3	0	0	0	0	0	0
6	Roelf ,W (Wildren)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
6	Roelf ,W (Wildren)	4	1449.7	1237.2	4	1457.2	1237.2	0	0	0	0	0	0
7	Marner ,B (Bryan Neil)	4	3	212.5	4	3	212.5	0	0	0	0	0	0
7	Marner ,B (Bryan Neil)	4	1252.9	1465.4	4	1246.3	1465.4	0	0	0	0	0	0
8	Punt ,CR (Christiaan)	4	3.5	318.8	4	3.5	318.8	0	0	0	0	0	0
8	Punt ,CR (Christiaan)	4	1290.3	1609.1	4	1290.3	1609.1	0	0	0	0	0	0
9	Kerspuy ,G (Gheuzville)	4	1	-212.5	0	0	0	0	0	0	4	1	-212.5
9	Kerspuy ,G (Gheuzville)	4	1279.7	1067.2	0	0	0	0	0	0	4	1138.8	1067.2
10	Simon ,R (Riley)	3	0	-425	3	0	-425	0	0	0	0	0	0
10	Simon ,R (Riley)	3	1683	1258	3	1674.9	1258	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Mpuru, J (JK MoAfrika)

Ratings

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Last 24 raw ratings

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Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms