Chess South Africa Ratings Database

PLAYER PAGE

Personal

Van Zijl, A (Adolf)

Chess SA id

1170300288

FIDE id

Date of birth

2017-09-05 (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

1171.4

Item	Main	Standard	Rapid	Blitz
Rating	1200.8	1201.7	1200	1200
Raw rating	1200.8	1201.7	1200	1200
Weighted rating	1166.8	1162.7	1200	1200
Weighted performance	1164.5	1164	0	0
Floor	700.8	701.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.6	165.4	165.8	165.8
Highest rating	1200.8 2025-09-01	1201.7 2025-09-01	1200 2024-04-01	1200 2024-04-01
Highest raw rating	1200.8 2025-09-01	1201.7 2025-09-01	1200 2024-04-01	1200 2024-04-01
Highest weighted rating	1200 2024-03-01	1200 2024-03-01	1200 2024-04-01	1200 2024-04-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-04-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1200.8	1201.7	1200	1200
Analysis
Rating	1200.8	1201.7	1200	1200
Raw rating	1200.8	1201.7	1200	1200
Weighted rating	1166.8	1162.7	1200
Weighted performance	1164.5	1164	0
K-factor	36	36	36	36
Floor	700.8	701.7	700	700
Max/Min rating change allowed	165.6	165.4	165.8	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	1200.8	1201.7	1200	1200
New weighted rating	1169.5	1165.9	1200	1200
New weighted performance	1157.4	1157	0	0
Temp new rating	1200.8	1201.7	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1200.8	1201.7	1200	1200
New K-factor	36	36	36	36
New floor	700.8	701.7	700	700

Item	Main	Standard
	0	0
	34	34
	22	22
	0	0
	0	0
	0	0
History	56	56

Games since
	Main 56	Standard 56		Rapid 0		Blitz 0
Gender	Male
Age group	U10
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	4133		1352		359
Male	3085		1011		278
U10	391		136		38
U10 Male	293		112		30
Standard
	RSA		Province		Region
Overall	4064		1448		373
Male	3046		1096		288
U10	380		152		40
U10 Male	291		128		32
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	34	13	38.24	-100	1278.5	1178.5
Standard	34	13	38.24	-100	1278.5	1178.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	56	20	35.71	-121.4	1258.2	1136.8
Standard	56	20	35.71	-121.4	1258.2	1136.8
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1200.8	1201.7	1200	1200
2025-09-30	1200.8	1201.7	1200	1200
2025-09-01	1200.8	1201.7	1200	1200
2025-08-01	1197.6	1197.5	1200	1200
2025-07-01	1162.1	1158.8	1200	1200
2025-06-01	1156.6	1150.8	1200	1200
2025-05-01	1156	1150	1200	1200
2025-04-01	1160	1155.3	1200	1200
2025-03-01	1160	1155.3	1200	1200
2025-02-01	1158.1	1152.6	1200	1200
2025-01-01	1118.1	1108.8	1200	1200
2024-12-01	1139.5	1131.6	1200	1200
2024-11-01	1139.5	1131.6	1200	1200
2024-10-01	1139.5	1131.6	1200	1200
2024-09-01	1139.5	1131.6	1200	1200
2024-08-01	1137.5	1128	1200	1200
2024-07-01	1137.5	1128	1200	1200
2024-09-01	1137.5	1128	1200	1200
2024-05-01	1180.7	1177.2	1200	1200
2024-04-01	1180.7	1177.2	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	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	JMC Closed 2025 (U10)	2025-08-09	2025-08-09	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	JMC - Trinity Randpark Ridge 2025 (U10)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	South African Open 2025 (U10 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	2025 Jacaranda Round Robin Open Chess Tournament (Z)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	2025 Mid Gauteng Open Chess Tournament (U10)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	4	0.5	Yes	Analysis
6	MCA Welcome 2025 (Newcomers)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	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	2	Yes	Analysis
2	JMC - Trinity Randpark Ridge 2025 (U10)	2025-07-26	2025-07-26	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
3	South African Open 2025 (U10 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	2025 Jacaranda Round Robin Open Chess Tournament (Z)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
5	2025 Mid Gauteng Open Chess Tournament (U10)	2025-04-12	2025-04-12	Standard	Tshwane (GTP)	5	4	0.5	Yes	Analysis
6	MCA Welcome 2025 (Newcomers)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	JMC Kick Off 2025 (U10)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
8	Gauteng Inter-Region at UJ 2024 (U8 Open)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
9	JMC Closed 2024 (U8)	2024-08-09	2024-08-09	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
10	JMC Crawford International Sandton 2024 (U8)	2024-05-11	2024-05-11	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
11	JMC Helpmekaar Kollege Tournament 2024 (U8)	2024-05-04	2024-05-04	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
12	JMC Unika School Tournament 2024	2024-03-02	2024-03-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament 2025 Mid Gauteng Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-04-12	rnd 5	type Standard	result 0.5	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Wait, E (Eben)				Opponent Maritz, R (Rohan)
2	2	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Makondetsa, A (Andrew Junior)				Opponent Hedder, A (Aldo)
3	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-07-05	rnd 5	type Standard	result 0.5
		Opponent Van Wieringen, M (Marcaux)				Opponent Conradie, M (Marcus)

#	Games	Start				End
1	3	Tournament 2025 Mid Gauteng Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-04-12	rnd 5	type Standard	result 0.5	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Wait, E (Eben)				Opponent Maritz, R (Rohan)
2	2	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Makondetsa, A (Andrew Junior)				Opponent Hedder, A (Aldo)
3	2	Tournament South African Open 2025				Tournament South African Open 2025
		date 2025-07-04	rnd 4	type Standard	result 1	date 2025-07-05	rnd 5	type Standard	result 0.5
		Opponent Van Wieringen, M (Marcaux)				Opponent Conradie, M (Marcus)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Makondetsa, A (Andrew Junior)				Opponent Hedder, A (Aldo)
2	2	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Roelofse, G (Gizelle)				Opponent Maritz, R (Rohan)
3	2	Tournament JMC Unika School Tournament 2024				Tournament JMC Unika School Tournament 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Black, B (Benjamin)				Opponent Luus, A (Ava)

#	Games	Start				End
1	2	Tournament JMC - Trinity Randpark Ridge 2025				Tournament JMC - Trinity Randpark Ridge 2025
		date 2025-07-26	rnd 3	type Standard	result 1	date 2025-07-26	rnd 4	type Standard	result 1
		Opponent Makondetsa, A (Andrew Junior)				Opponent Hedder, A (Aldo)
2	2	Tournament 2025 Jacaranda Round Robin Open Chess Tournament				Tournament 2025 Jacaranda Round Robin Open Chess Tournament
		date 2025-06-21	rnd 1	type Standard	result 1	date 2025-06-21	rnd 2	type Standard	result 1
		Opponent Roelofse, G (Gizelle)				Opponent Maritz, R (Rohan)
3	2	Tournament JMC Unika School Tournament 2024				Tournament JMC Unika School Tournament 2024
		date 2024-03-02	rnd 3	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Black, B (Benjamin)				Opponent Luus, A (Ava)

No games found.

#	Games	Start				End

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	Jennings ,C (Chase)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Jennings ,C (Chase)	2	1223.7	798.7	2	1224.4	798.7	0	0	0	0	0	0
2	Van Eeden ,C (Cilliers)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Van Eeden ,C (Cilliers)	2	1305.4	880.4	2	1303.9	880.4	0	0	0	0	0	0
3	Tester ,L (Legan)	2	2	425	2	2	425	0	0	0	0	0	0
3	Tester ,L (Legan)	2	1204.8	1629.8	2	1203.4	1629.8	0	0	0	0	0	0
4	Joubert ,Z (Zani)	2	0	-425	2	0	-425	0	0	0	0	0	0
4	Joubert ,Z (Zani)	2	1147	722	2	1141	722	0	0	0	0	0	0
5	Levitan ,E (Eliana)	2	2	425	2	2	425	0	0	0	0	0	0
5	Levitan ,E (Eliana)	2	1181.8	1606.8	2	1179.4	1606.8	0	0	0	0	0	0
6	Conradie ,D (David)	2	0	-425	2	0	-425	0	0	0	0	0	0
6	Conradie ,D (David)	2	1380.4	955.4	2	1383.9	955.4	0	0	0	0	0	0
7	Bender ,D (Divan)	2	1	0	2	1	0	0	0	0	0	0	0
7	Bender ,D (Divan)	2	1194.4	1194.4	2	1192.1	1194.4	0	0	0	0	0	0
8	Luus ,A (Ava)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
8	Luus ,A (Ava)	2	1172.2	1384.8	2	1168	1384.8	0	0	0	0	0	0
9	Serrao ,L (Luke)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Serrao ,L (Luke)	1	1082.2	657.2	1	1054.5	657.2	0	0	0	0	0	0
10	Davison ,G (Georgia)	1	1	425	1	1	425	0	0	0	0	0	0
10	Davison ,G (Georgia)	1	1200	1625	1	1200	1625	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Van Zijl, A (Adolf)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms