Chess South Africa Ratings Database

PLAYER PAGE

Personal

Venter, J (Jaco)

Chess SA id

1160148708

FIDE id

Date of birth

2016-04-19 (U10)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-09

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1421.7

Item	Main	Standard	Rapid	Blitz
Rating	1597.3	1603.4	1200	1118.8
Raw rating	1597.3	1603.4	1200	1118.8
Weighted rating	1469.6	1466.9	1200	1117.8
Weighted performance	1586.5	1587.1	0	0
Floor	1097.3	1103.4	700	700
K-factor	32	28	36	36
Min/Max rating change allowed	94.1	93.3	165.8	186.2
Highest rating	1621 2025-09-01	1621.8 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1597.3 2025-09-01	1603.4 2025-09-01	1200 2024-03-01	1200 2019-12-01
Highest weighted rating	1435.8 2025-09-01	1432.2 2025-09-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1621 2025-09-01	1621.8 2025-09-01	1200 2024-03-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1597.3	1603.4	1200	1118.8
Analysis
Rating	1597.3	1603.4	1200	1118.8
Raw rating	1597.3	1603.4	1200	1118.8
Weighted rating	1469.6	1466.9	1200
Weighted performance	1586.5	1587.1	0
K-factor	32	28	36	36
Floor	1097.3	1103.4	700	700
Max/Min rating change allowed	94.1	93.3	165.8	186.2
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	1597.3	1603.4	1200	1118.8
New weighted rating	1484.6	1482.4	1200	1118
New weighted performance	1576.8	1577.5	0	0
Temp new rating	1597.3	1603.4	1200	1118.8
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1597.3	1603.4	1200	1118.8
New K-factor	32	28	36	36
New floor	1097.3	1103.4	700	700

Item	Main	Standard	Blitz
	0	0	0
	58	58	0
	97	97	0
	37	31	6
	0	0	0
	0	0	0
History	192	186	6

Games since
	Main 155	Standard 155		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	660		244		90
Male	592		214		76
U10	24		13		6
U10 Male	21		11		5
Standard
	RSA		Province		Region
Overall	611		236		85
Male	552		209		70
U10	22		12		6
U10 Male	19		10		5
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	58	39.5	68.1	153.9	1367	1520.9
Standard	58	39.5	68.1	153.9	1367	1520.9
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	192	114.5	59.64	81.9	1293.6	1375.5
Standard	186	113.5	61.02	93.7	1297.3	1391
Rapid	0	0	0	0	0	0
Blitz	6	1	16.67	-283.3	1178.6	895.3

Date	Main	Standard	Rapid	Blitz
2025-11-01	1597.3	1603.4	1200	1118.8
2025-09-30	1597.3	1603.4	1200	1118.8
2025-09-01	1597.3	1603.4	1200	1118.8
2025-08-01	1568.2	1568.6	1200	1118.8
2025-07-01	1558	1557.8	1200	1118.8
2025-06-01	1520.2	1519.7	1200	1118.8
2025-05-01	1444.7	1439.9	1200	1118.8
2025-04-01	1446.5	1440.4	1200	1118.8
2025-03-01	1422	1423.3	1200	1118.8
2025-02-01	1414.1	1401.9	1200	1118.8
2025-01-01	1414.1	1401.9	1200	1116
2024-12-01	1306.1	1278.1	1200	1116
2024-11-01	1306.1	1278.1	1200	1116
2024-10-01	1408.4	1401	1200	1116
2024-09-01	1437.1	1436.5	1200	1116
2024-08-01	1413.6	1404.2	1200	1116
2024-07-01	1425	1415.1	1200	1116
2024-09-01	1435.9	1426.9	1200	1116
2024-05-01	1292.7	1290.9	1200	1116
2024-04-01	1292.7	1290.9	1200	1116
2024-03-01	1255.8	1297.4	1200	1116
2024-02-01	1255.8	1297.4	1200	1116
2024-01-01	1213.2	1226	1200	1116
2023-12-01	1213.2	1226	1200	1116

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	JMC Closed 2025 (U10)	2025-08-09	2025-08-09	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
2	South African Open 2025 (U10 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
3	West Rand Open 2.0 2025 (U10)	2025-06-07	2025-06-07	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
4	JMC Crawford Sandton 2025 (U10)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	East Rand Chess Club Open 2025 (D)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	4	4	Yes	Analysis
6	South African Junior Closed Chess Championships 2025 (U10 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	4.5	Yes	Analysis
7	Ekurhuleni Chess Open 2025 (E)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
8	MCA Summer March 2025 (Intermediate)	2025-03-08	2025-03-08	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
9	AHS Open Chess Tournament 2025 (U10)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
10	MCA Welcome 2025 (Newcomers)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
11	JMC Kick Off 2025 (U10)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Closed 2025 (U10)	2025-08-09	2025-08-09	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
2	South African Open 2025 (U10 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
3	West Rand Open 2.0 2025 (U10)	2025-06-07	2025-06-07	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
4	JMC Crawford Sandton 2025 (U10)	2025-05-10	2025-05-10	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	East Rand Chess Club Open 2025 (D)	2025-05-03	2025-05-03	Standard	Ekurhuleni (GE)	5	4	4	Yes	Analysis
6	South African Junior Closed Chess Championships 2025 (U10 Open)	2025-03-31	2025-04-05	Standard	Cape Winelands (WCW)	9	9	4.5	Yes	Analysis
7	Ekurhuleni Chess Open 2025 (E)	2025-03-15	2025-03-15	Standard	Ekurhuleni (GE)	5	5	5	Yes	Analysis
8	MCA Summer March 2025 (Intermediate)	2025-03-08	2025-03-08	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
9	AHS Open Chess Tournament 2025 (U10)	2025-03-01	2025-03-01	Standard	Tshwane (GTP)	5	5	4.5	Yes	Analysis
10	MCA Welcome 2025 (Newcomers)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
11	JMC Kick Off 2025 (U10)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
12	Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Combined)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	7	4.5	Yes	Analysis
13	Gauteng Inter-Region at UJ 2024 (U10 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
14	CPH Boksburg Open 2024 (D)	2024-10-26	2024-10-26	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
15	2024 Tshwane Chess Club Clash (Open)	2024-10-12	2024-10-12	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
16	Gauteng Top Schools 2024 (U11 Open)	2024-10-04	2024-10-04	Standard	Ekurhuleni (GE)	5	4	2.5	Yes	Analysis
17	Kings Gambit Chess Open 14 Sept 2024 (E)	2024-09-14	2024-09-14	Standard	Sedibeng (GSV)	5	5	3	Yes	Analysis
18	2024 Curro Hazeldean High Open Chess Tournament (U10)	2024-09-07	2024-09-07	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
19	JMC Closed 2024 (U10)	2024-08-09	2024-08-09	Standard	Johannesburg Metro (GJM)	5	4	3	Yes	Analysis
20	Chess Power House July Open 2024 (E)	2024-07-20	2024-07-20	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
21	JMC Trinityhouse Randpark Ridge 2024 (U10)	2024-07-13	2024-07-13	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
22	JMC Trinityhouse Little Falls 2024 (U10)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
23	Chess Power House May Open 2024 (E)	2024-05-25	2024-05-25	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
24	JMC Crawford International Sandton 2024 (U10)	2024-05-11	2024-05-11	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
25	South African Junior Closed Chess Championship 2024 (U8 Open)	2024-04-27	2024-05-01	Standard	Ekurhuleni (GE)	9	9	4	Yes	Analysis
26	JMC Helpmekaar Kollege Tournament 2024 (U10)	2024-05-04	2024-05-04	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
27	JNW Open - Classic - Crawford 2024 (U10)	2024-03-09	2024-03-09	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
28	JMC Unika School Tournament 2024 (U10)	2024-03-02	2024-03-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
29	2024 Gauteng Inter-Region Chess Championship (U8)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
30	JMC Kick Off Tournament 2024 (U10)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	4	3	Yes	Analysis
31	JMC Closed Aug 2023 (U8)	2023-08-04	2023-08-06	Standard	Johannesburg Metro (GJM)	6	6	4	Yes	Analysis
32	JMC - The Higher Ground Restaurant 2nd Blitz Event 2023	2023-07-30	2023-07-30	Blitz	Johannesburg Metro (GJM)	7	6	1	Yes	Analysis
33	2023 Mid Gauteng Open Tournament (F)	2023-05-06	2023-05-06	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis
34	JNW Open - Trinityhouse Little Falls 2023 (U8)	2023-05-13	2023-05-13	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
35	JNW Open - Crawford 2023 (U8)	2023-03-04	2023-03-04	Standard	Johannesburg Metro (GJM)	5	5	5	Yes	Analysis
36	JMC 1 St Peters 2023 (U8)	2023-03-18	2023-03-18	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
37	Harties Wolf Pack 2023 (Development)	2023-01-21	2023-01-21	Standard	Bojanala Platina (NBR)	5	5	3	Yes	Analysis

#	Games	Start				End
1	8	Tournament East Rand Chess Club Open 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-03	rnd 1	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Weakley, I (Isabella)				Opponent Lotlhare, O (Oreratile)
2	7	Tournament MCA Welcome 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Rodda, T (Tirza)				Opponent Lekalakala, T (Tshimologo)
3	7	Tournament Harties Wolf Pack 2023				Tournament JMC 1 St Peters 2023
		date 2023-01-21	rnd 5	type Standard	result 0.5	date 2023-03-18	rnd 1	type Standard	result 1
		Opponent Petlele, L (Leano)				Opponent Malemane, A (Atlehang Faith)

#	Games	Start				End
1	8	Tournament East Rand Chess Club Open 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-03	rnd 1	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Weakley, I (Isabella)				Opponent Lotlhare, O (Oreratile)
2	7	Tournament MCA Welcome 2025				Tournament AHS Open Chess Tournament 2025
		date 2025-02-15	rnd 4	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Rodda, T (Tirza)				Opponent Lekalakala, T (Tshimologo)
3	7	Tournament Harties Wolf Pack 2023				Tournament JMC 1 St Peters 2023
		date 2023-01-21	rnd 5	type Standard	result 0.5	date 2023-03-18	rnd 1	type Standard	result 1
		Opponent Petlele, L (Leano)				Opponent Malemane, A (Atlehang Faith)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	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 5	type Blitz	result 1	date 2023-07-30	rnd 5	type Blitz	result 1
		Opponent Coulson, A (Alannah)				Opponent Coulson, A (Alannah)

#	Games	Start				End
1	6	Tournament Gauteng Inter-Region at UJ 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-07	rnd 1	type Standard	result 1	date 2024-12-16	rnd 1	type Standard	result 1
		Opponent Roder, A (Adam)				Opponent Haupt, D (Dawid)
2	6	Tournament JNW Open - Crawford 2023				Tournament JMC 1 St Peters 2023
		date 2023-03-04	rnd 1	type Standard	result 1	date 2023-03-18	rnd 1	type Standard	result 1
		Opponent Hoek, B (Beyers)				Opponent Malemane, A (Atlehang Faith)
3	5	Tournament East Rand Chess Club Open 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-03	rnd 1	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Weakley, I (Isabella)				Opponent Van Wieringen, M (Marcaux)

#	Games	Start				End
1	6	Tournament Gauteng Inter-Region at UJ 2024				Tournament Mzansi Interprovincial Youth Chess Championships 2024
		date 2024-12-07	rnd 1	type Standard	result 1	date 2024-12-16	rnd 1	type Standard	result 1
		Opponent Roder, A (Adam)				Opponent Haupt, D (Dawid)
2	6	Tournament JNW Open - Crawford 2023				Tournament JMC 1 St Peters 2023
		date 2023-03-04	rnd 1	type Standard	result 1	date 2023-03-18	rnd 1	type Standard	result 1
		Opponent Hoek, B (Beyers)				Opponent Malemane, A (Atlehang Faith)
3	5	Tournament East Rand Chess Club Open 2025				Tournament JMC Crawford Sandton 2025
		date 2025-05-03	rnd 1	type Standard	result 1	date 2025-05-10	rnd 1	type Standard	result 1
		Opponent Weakley, I (Isabella)				Opponent Van Wieringen, M (Marcaux)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	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 5	type Blitz	result 1	date 2023-07-30	rnd 5	type Blitz	result 1
		Opponent Coulson, A (Alannah)				Opponent Coulson, A (Alannah)

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	Lin ,Y (Yizheng)	8	5	106.2	8	5	106.2	0	0	0	0	0	0
1	Lin ,Y (Yizheng)	8	1451.5	1557.7	8	1426.2	1557.7	0	0	0	0	0	0
2	Steyn ,K (Kian)	5	0	-425	5	0	-425	0	0	0	0	0	0
2	Steyn ,K (Kian)	5	1583.2	1158.2	5	1591.9	1158.2	0	0	0	0	0	0
3	Loots ,A (Albert)	5	4	255	5	4	255	0	0	0	0	0	0
3	Loots ,A (Albert)	5	1212.6	1467.6	5	1209.3	1467.6	0	0	0	0	0	0
4	Taylor ,M (Matthew)	4	1	-212.5	4	1	-212.5	0	0	0	0	0	0
4	Taylor ,M (Matthew)	4	1343.8	1131.3	4	1338.2	1131.3	0	0	0	0	0	0
5	Deysel ,Z (Zachariah)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
5	Deysel ,Z (Zachariah)	3	1163.2	1446.6	3	1156.9	1446.6	0	0	0	0	0	0
6	Sahoo ,S (Shaurya)	3	2	141.7	3	2	141.7	0	0	0	0	0	0
6	Sahoo ,S (Shaurya)	3	1571.9	1713.6	3	1569.2	1713.6	0	0	0	0	0	0
7	Ravuri ,C (Chinmay Vihaan)	3	3	425	3	3	425	0	0	0	0	0	0
7	Ravuri ,C (Chinmay Vihaan)	3	1213.4	1638.4	3	1217.4	1638.4	0	0	0	0	0	0
8	Meijer ,CM (Carlo Marius)	3	2.5	283.3	3	2.5	283.3	0	0	0	0	0	0
8	Meijer ,CM (Carlo Marius)	3	1220.5	1503.8	3	1220.1	1503.8	0	0	0	0	0	0
9	Frishter ,S (Sofia)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
9	Frishter ,S (Sofia)	2	1551.8	1339.2	2	1561.1	1339.2	0	0	0	0	0	0
10	Tabilo Lillo ,M (Marcelo)	2	2	425	2	2	425	0	0	0	0	0	0
10	Tabilo Lillo ,M (Marcelo)	2	1240.6	1665.6	2	1241.9	1665.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Venter, J (Jaco)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms