Chess South Africa Ratings Database

PLAYER PAGE

Personal

Janse Van Rensburg, Z (Zach)

Chess SA id

1130141019

FIDE id

Date of birth

2013-12-11 (U14)

Gender

Male

Region

Capricorn (LCP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-15

Personal details last changed

1900-01-01

Junior GPX Games

12.5

Junior GPX Points

1180.9

Item	Main	Standard	Rapid	Blitz
Rating	1254.3	1251.7	1263.7	1200
Raw rating	1252	1251.7	1260.5	1200
Weighted rating	1254.3	1225.9	1263.7	1200
Weighted performance	1108.7	1142.2	0	0
Floor	781.8	751.7	788.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	154	154.1	152.1	165.8
Highest rating	1332.4 2024-05-01	1292.1 2022-05-01	1638.4 2024-05-01	1200 2018-10-01
Highest raw rating	1281.8 2025-03-01	1251.7 2025-04-01	1288.6 2024-07-01	1200 2024-02-01
Highest weighted rating	1249.8 2025-08-01	1251.7 2023-11-01	1288.6 2025-03-01	1200 2018-10-01
Highest weighted performance	1332.4 2024-05-01	1292.1 2022-05-01	1638.4 2024-05-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	1.1	0	0.6	0
New rating	1255.4	1251.7	1264.4	1200
Analysis
Rating	1254.3	1251.7	1263.7	1200
Raw rating	1252	1251.7	1260.5	1200
Weighted rating	1254.3	1225.9	1263.7
Weighted performance	1108.7	1142.2	0
K-factor	36	36	36	36
Floor	781.8	751.7	788.6	700
Max/Min rating change allowed	154	154.1	152.1	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	1252	1251.7	1260.5	1200
New weighted rating	1255.4	1229.4	1264.4	1200
New weighted performance	1101.5	1134.6	0	0
Temp new rating	1255.4	1251.7	1264.4	1200
Temp new rating +/-	1.1	0	0.6	0
Final new rating +/-	1.1	0	0.6	0
New rating	1255.4	1251.7	1264.4	1200
New K-factor	36	36	36	36
New floor	781.8	751.7	788.6	700

Item	Main	Standard	Rapid
	0	0	0
	15	10	5
	24	19	5
	9	9	0
	11	11	0
	0	0	0
History	59	49	10

Games since
	Main 43	Standard 33		Rapid 10		Blitz 0
Gender	Male
Age group	U14
Region	Capricorn (LCP)
Province	Limpopo (LP)
Main
	RSA		Province		Region
Overall	3677		111		98
Male	2814		97		86
U14	701		31		29
U14 Male	500		28		26
Standard
	RSA		Province		Region
Overall	3634		105		96
Male	2789		95		87
U14	697		29		28
U14 Male	486		26		25
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	15	6	40	-85	1285.6	1200.6
Standard	10	6	60	85	1258.3	1343.3
Rapid	5	0	0	-425	1340.3	915.3
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	59	29	49.15	-7.2	1232.5	1225.3
Standard	49	24	48.98	-8.7	1223.4	1214.8
Rapid	10	5	50	0	1276.9	1276.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1252	1251.7	1260.5	1200
2025-09-30	1252	1251.7	1260.5	1200
2025-09-01	1252	1251.7	1260.5	1200
2025-08-01	1252	1251.7	1260.5	1200
2025-07-01	1252	1251.7	1259	1200
2025-06-01	1252	1251.7	1257.5	1200
2025-05-01	1252	1251.7	1255.5	1200
2025-04-01	1252	1251.7	1249.2	1200
2025-03-01	1281.8	1215.6	1288.6	1200
2025-02-01	1277.4	1194.7	1288.6	1200
2025-01-01	1277.4	1194.7	1288.6	1200
2024-12-01	1277.4	1194.7	1288.6	1200
2024-11-01	1277.4	1194.7	1288.6	1200
2024-10-01	1277.4	1194.7	1288.6	1200
2024-09-01	1277.4	1194.7	1288.6	1200
2024-08-01	1277.4	1194.7	1288.6	1200
2024-07-01	1277.4	1194.7	1288.6	1200
2024-09-01	1186.6	1194.7	1200	1200
2024-05-01	1189	1199.7	1200	1200
2024-04-01	1189	1199.7	1200	1200
2024-03-01	1189.6	1203.3	1200	1200
2024-02-01	1092.5	1084.5	1200	1200
2024-01-01	1175.1	1174.1	1200	1200
2023-12-01	1175.1	1174.1	1200	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	Capricorn District Qualifying Tournament 3 2025 (U14)	2025-03-15	2025-03-15	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
2	2nd Capricorn Open 2025 (B)	2025-03-01	2025-03-01	Rapid	Capricorn (LCP)	6	5	0	Yes	Analysis
3	Capricorn District Qualifying Tournament 1 2025 (U14)	2025-02-01	2025-02-01	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Capricorn District Qualifying Tournament 3 2025 (U14)	2025-03-15	2025-03-15	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
2	2nd Capricorn Open 2025 (B)	2025-03-01	2025-03-01	Rapid	Capricorn (LCP)	6	5	0	Yes	Analysis
3	Capricorn District Qualifying Tournament 1 2025 (U14)	2025-02-01	2025-02-01	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis
4	Capricorn District Primary Schools League Finals 2024 (U11A)	2024-05-25	2024-05-25	Rapid	Capricorn (LCP)	5	5	5	Yes	Analysis
5	Capricorn Junior Qualifying 4 2024 (U12)	2024-05-04	2024-05-04	Standard	Capricorn (LCP)	5	5	2.5	Yes	Analysis
6	Capricorn Open Chess Championship 2024 (C)	2024-03-02	2024-03-02	Standard	Capricorn (LCP)	5	4	2	Yes	Analysis
7	Capricorn District Chess Junior Qualifying Tournament 2024 (U12)	2024-02-03	2024-02-03	Standard	Capricorn (LCP)	5	5	5	Yes	Analysis
8	2024 Gauteng Inter-Region Chess Championship (U12C)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
9	2023 Capricorn District Junior Final Trials (U12 Boys (Group 2)	2023-11-11	2023-11-11	Standard	Capricorn (LCP)	5	4	1	Yes	Analysis
10	Capricorn Qualifying February 4th 2023 (U12)	2023-02-04	2023-02-04	Standard	Capricorn (LCP)	5	5	3.5	Yes	Analysis
11	2022 South African Junior Team Chess Championships (U10 Open)	2022-12-04	2022-12-08	Standard	4 Knights (4K)	7	6	1	Yes	Analysis
12	Capricorn Qualifying May 2022 (U10)	2022-05-21	2022-05-21	Standard	Capricorn (LCP)	5	5	3	Yes	Analysis

#	Games	Start				End
1	5	Tournament Capricorn District Primary Schools League Finals 2024				Tournament Capricorn District Primary Schools League Finals 2024
		date 2024-05-25	rnd 1	type Rapid	result 1	date 2024-05-25	rnd 5	type Rapid	result 1
		Opponent Maditsi, M (Matome)				Opponent Potgieter, L (Luane)
2	5	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Matsaung, E (Ezekiel)				Opponent Verreynne, K (Kobus)
3	3	Tournament Capricorn District Qualifying Tournament 3 2025				Tournament Capricorn District Qualifying Tournament 3 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Mogaela, T (Tokollo)				Opponent Meyer, N (Nikky)

#	Games	Start				End
1	5	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Matsaung, E (Ezekiel)				Opponent Verreynne, K (Kobus)
2	3	Tournament Capricorn District Qualifying Tournament 3 2025				Tournament Capricorn District Qualifying Tournament 3 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Mogaela, T (Tokollo)				Opponent Meyer, N (Nikky)
3	3	Tournament Capricorn District Qualifying Tournament 1 2025				Tournament Capricorn District Qualifying Tournament 1 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Phathokuhle, R (Renge)				Opponent Bonki, J (Jadon)

#	Games	Start				End
1	5	Tournament Capricorn District Primary Schools League Finals 2024				Tournament Capricorn District Primary Schools League Finals 2024
		date 2024-05-25	rnd 1	type Rapid	result 1	date 2024-05-25	rnd 5	type Rapid	result 1
		Opponent Maditsi, M (Matome)				Opponent Potgieter, L (Luane)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament Capricorn District Primary Schools League Finals 2024				Tournament Capricorn District Primary Schools League Finals 2024
		date 2024-05-25	rnd 1	type Rapid	result 1	date 2024-05-25	rnd 5	type Rapid	result 1
		Opponent Maditsi, M (Matome)				Opponent Potgieter, L (Luane)
2	5	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Matsaung, E (Ezekiel)				Opponent Verreynne, K (Kobus)
3	3	Tournament Capricorn District Qualifying Tournament 3 2025				Tournament Capricorn District Qualifying Tournament 3 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Mogaela, T (Tokollo)				Opponent Meyer, N (Nikky)

#	Games	Start				End
1	5	Tournament Capricorn District Chess Junior Qualifying Tournament 2024				Tournament Capricorn District Chess Junior Qualifying Tournament 2024
		date 2024-02-03	rnd 1	type Standard	result 1	date 2024-02-03	rnd 5	type Standard	result 1
		Opponent Matsaung, E (Ezekiel)				Opponent Verreynne, K (Kobus)
2	3	Tournament Capricorn District Qualifying Tournament 3 2025				Tournament Capricorn District Qualifying Tournament 3 2025
		date 2025-03-15	rnd 1	type Standard	result 1	date 2025-03-15	rnd 3	type Standard	result 1
		Opponent Mogaela, T (Tokollo)				Opponent Meyer, N (Nikky)
3	3	Tournament Capricorn District Qualifying Tournament 1 2025				Tournament Capricorn District Qualifying Tournament 1 2025
		date 2025-02-01	rnd 2	type Standard	result 1	date 2025-02-01	rnd 4	type Standard	result 1
		Opponent Phathokuhle, R (Renge)				Opponent Bonki, J (Jadon)

#	Games	Start				End
1	5	Tournament Capricorn District Primary Schools League Finals 2024				Tournament Capricorn District Primary Schools League Finals 2024
		date 2024-05-25	rnd 1	type Rapid	result 1	date 2024-05-25	rnd 5	type Rapid	result 1
		Opponent Maditsi, M (Matome)				Opponent Potgieter, L (Luane)

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	Nxumalo ,P (Phuti)	2	2	425	2	2	425	0	0	0	0	0	0
1	Nxumalo ,P (Phuti)	2	1185.3	1610.3	2	1182.6	1610.3	0	0	0	0	0	0
2	Theron ,D (Dawie)	2	1	0	2	1	0	0	0	0	0	0	0
2	Theron ,D (Dawie)	2	1194.2	1194.2	2	1196.2	1194.2	0	0	0	0	0	0
3	Mamabolo ,T (Tshepang)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Mamabolo ,T (Tshepang)	2	1306.8	881.8	1	1231.7	881.8	1	1250.3	881.8	0	0	0
4	Verreynne ,K (Kobus)	2	1	0	1	1	425	1	0	-425	0	0	0
4	Verreynne ,K (Kobus)	2	1353.7	1353.7	1	1304.6	1778.7	1	1241.3	928.7	0	0	0
5	Sebola ,K (Kgaugelo)	2	2	425	1	1	425	1	1	425	0	0	0
5	Sebola ,K (Kgaugelo)	2	1246.1	1671.1	1	1232	1671.1	1	1200	1671.1	0	0	0
6	Prince ,A (Adon)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Prince ,A (Adon)	1	1098.8	673.8	1	1082.6	673.8	0	0	0	0	0	0
7	Van Der Westhuizen ,L (Lihan)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Der Westhuizen ,L (Lihan)	1	1327.9	902.9	1	1318.4	902.9	0	0	0	0	0	0
8	Mokoena ,Z (Zwelahke)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Mokoena ,Z (Zwelahke)	1	1183.7	758.7	1	1182.4	758.7	0	0	0	0	0	0
9	De Beer ,R (Ruan)	1	1	425	1	1	425	0	0	0	0	0	0
9	De Beer ,R (Ruan)	1	1210.2	1635.2	1	1219.1	1635.2	0	0	0	0	0	0
10	Selepe ,L (Letlotlo)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Selepe ,L (Letlotlo)	1	1378.7	953.7	1	1371.4	953.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Janse Van Rensburg, Z (Zach)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms