Chess South Africa Ratings Database

PLAYER PAGE

Personal

Boonzaaier, A (Adrian)

Chess SA id

1090301493

FIDE id

Date of birth

2009-10-28 (U18)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-07-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1204.5	1210.9	1180.9	1200
Raw rating	1198.6	1210.6	1174	1200
Weighted rating	1204.5	1210.9	1180.9	1200
Weighted performance	0	0	0	0
Floor	737.6	743.2	704	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.1	163.3	172.1	165.8
Highest rating	1313.6 2024-05-01	1384.4 2024-05-01	1221.1 2024-03-01	1200 2024-04-01
Highest raw rating	1237.6 2024-06-01	1243.2 2024-06-01	1204 2024-04-01	1200 2024-04-01
Highest weighted rating	1237.6 2024-07-01	1243.2 2024-07-01	1204 2024-07-01	1200 2024-04-01
Highest weighted performance	1313.6 2024-05-01	1384.4 2024-05-01	1221.1 2024-03-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-0.5	0.1	-0.9	0
New rating	1204	1211	1180	1200
Analysis
Rating	1204.5	1210.9	1180.9	1200
Raw rating	1198.6	1210.6	1174	1200
Weighted rating	1204.5	1210.9	1180.9
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	737.6	743.2	704	700
Max/Min rating change allowed	166.1	163.3	172.1	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	1198.6	1210.6	1174	1200
New weighted rating	1204	1211	1180	1200
New weighted performance	0	0	0	0
Temp new rating	1204	1211	1180	1200
Temp new rating +/-	-0.5	0.1	-0.9	0
Final new rating +/-	-0.5	0.1	-0.9	0
New rating	1204	1211	1180	1200
New K-factor	36	36	36	36
New floor	737.6	743.2	704	700

Item	Main	Standard	Rapid
	0	0	0
	3	0	3
	20	14	6
	0	0	0
	0	0	0
	0	0	0
History	23	14	9

Games since
	Main 23	Standard 14		Rapid 9		Blitz 0
Gender	Male
Age group	U18
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	3	1	33.33	-141.7	1244.8	1103.1
Standard	0	0	0	0	0	0
Rapid	3	1	33.33	-141.7	1244.8	1103.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	9	39.13	-92.4	1289.3	1196.9
Standard	14	6	42.86	-60.7	1296.3	1235.6
Rapid	9	3	33.33	-141.7	1278.2	1136.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1198.6	1210.6	1174	1200
2025-09-01	1198.6	1210.6	1174	1200
2025-08-01	1205.6	1210.6	1184.8	1200
2025-07-01	1205.5	1210.4	1184.8	1200
2025-06-01	1205.5	1210.2	1184.8	1200
2025-05-01	1205.4	1210	1184.8	1200
2025-04-01	1205.3	1209.8	1184.8	1200
2025-03-01	1205.2	1209.7	1184.8	1200
2025-02-01	1204.8	1209.7	1183.9	1200
2025-01-01	1201.8	1209.7	1165.5	1200
2024-12-01	1201.8	1209.7	1165.5	1200
2024-11-01	1201.8	1209.7	1165.5	1200
2024-10-01	1201.8	1209.7	1165.5	1200
2024-09-01	1194.6	1207.9	1165.5	1200
2024-08-01	1194.6	1207.9	1165.5	1200
2024-07-01	1237.6	1243.2	1204	1200
2024-06-01	1237.6	1243.2	1204	1200
2024-08-01	1207.4	1200	1204	1200
2024-04-01	1207.4	1200	1204	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
2023-11-01	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	Kempton Park Team Clusters LS 2025 (High Schools)	2025-07-26	2025-07-26	Rapid	Ekurhuleni (GE)	4	3	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Kempton Park Team Clusters LS 2025 (High Schools)	2025-07-26	2025-07-26	Rapid	Ekurhuleni (GE)	4	3	1	Yes	Analysis
2	Ekurhuleni North Schools Finals - Teams 2024 (U15 Open)	2024-08-03	2024-08-03	Standard	Ekurhuleni (GE)	5	4	1.5	Yes	Analysis
3	Ekurhuleni Trails 2 2024 (U16)	2024-07-27	2024-07-27	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis
4	Kempton Park Cluster Teams 2024 (U15)	2024-07-13	2024-07-13	Rapid	Ekurhuleni (GE)	3	2	0	Yes	Analysis
5	Ekurhuleni North High School Individuals 2024 (U15 Boys)	2024-05-18	2024-05-18	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis
6	Kempton Park Cluster Individuals 2024 (U15 Boys)	2024-03-02	2024-03-02	Rapid	Ekurhuleni (GE)	6	4	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Kempton Park Team Clusters LS 2025
		date 2024-08-03	rnd 4	type Standard	result 0.5	date 2025-07-26	rnd 1	type Rapid	result 1
		Opponent Helmbold, K (Kurt)				Opponent Ntombela, M (Mvela)
2	2	Tournament Ekurhuleni Trails 2 2024				Tournament Ekurhuleni Trails 2 2024
		date 2024-07-27	rnd 2	type Standard	result 1	date 2024-07-27	rnd 3	type Standard	result 0.5
		Opponent Masekoane, A (Ashlee)				Opponent Janse Van Vuuren, A (Alexander)
3	1	Tournament Ekurhuleni North High School Individuals 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-05-18	rnd 5	type Standard	result 1	date 2024-05-18	rnd 5	type Standard	result 1
		Opponent Seabela, K (Kgomotso)				Opponent Seabela, K (Kgomotso)

#	Games	Start				End
1	2	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-08-03	rnd 4	type Standard	result 0.5	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Helmbold, K (Kurt)				Opponent Khubeka, T (Thandolwethu)
2	2	Tournament Ekurhuleni Trails 2 2024				Tournament Ekurhuleni Trails 2 2024
		date 2024-07-27	rnd 2	type Standard	result 1	date 2024-07-27	rnd 3	type Standard	result 0.5
		Opponent Masekoane, A (Ashlee)				Opponent Janse Van Vuuren, A (Alexander)
3	1	Tournament Ekurhuleni North High School Individuals 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-05-18	rnd 5	type Standard	result 1	date 2024-05-18	rnd 5	type Standard	result 1
		Opponent Seabela, K (Kgomotso)				Opponent Seabela, K (Kgomotso)

#	Games	Start				End
1	1	Tournament Kempton Park Team Clusters LS 2025				Tournament Kempton Park Team Clusters LS 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 1	type Rapid	result 1
		Opponent Ntombela, M (Mvela)				Opponent Ntombela, M (Mvela)
2	1	Tournament Kempton Park Cluster Individuals 2024				Tournament Kempton Park Cluster Individuals 2024
		date 2024-03-02	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 4	type Rapid	result 1
		Opponent Sithole, B (Brendel)				Opponent Sithole, B (Brendel)
3	1	Tournament Kempton Park Cluster Individuals 2024				Tournament Kempton Park Cluster Individuals 2024
		date 2024-03-02	rnd 2	type Rapid	result 1	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Hoole, A (Aidan)				Opponent Hoole, A (Aidan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Kempton Park Team Clusters LS 2025
		date 2024-08-03	rnd 5	type Standard	result 1	date 2025-07-26	rnd 1	type Rapid	result 1
		Opponent Khubeka, T (Thandolwethu)				Opponent Ntombela, M (Mvela)
2	1	Tournament Ekurhuleni Trails 2 2024				Tournament Ekurhuleni Trails 2 2024
		date 2024-07-27	rnd 2	type Standard	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Masekoane, A (Ashlee)				Opponent Masekoane, A (Ashlee)
3	1	Tournament Ekurhuleni North High School Individuals 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-05-18	rnd 5	type Standard	result 1	date 2024-05-18	rnd 5	type Standard	result 1
		Opponent Seabela, K (Kgomotso)				Opponent Seabela, K (Kgomotso)

#	Games	Start				End
1	1	Tournament Ekurhuleni North Schools Finals - Teams 2024				Tournament Ekurhuleni North Schools Finals - Teams 2024
		date 2024-08-03	rnd 5	type Standard	result 1	date 2024-08-03	rnd 5	type Standard	result 1
		Opponent Khubeka, T (Thandolwethu)				Opponent Khubeka, T (Thandolwethu)
2	1	Tournament Ekurhuleni Trails 2 2024				Tournament Ekurhuleni Trails 2 2024
		date 2024-07-27	rnd 2	type Standard	result 1	date 2024-07-27	rnd 2	type Standard	result 1
		Opponent Masekoane, A (Ashlee)				Opponent Masekoane, A (Ashlee)
3	1	Tournament Ekurhuleni North High School Individuals 2024				Tournament Ekurhuleni North High School Individuals 2024
		date 2024-05-18	rnd 5	type Standard	result 1	date 2024-05-18	rnd 5	type Standard	result 1
		Opponent Seabela, K (Kgomotso)				Opponent Seabela, K (Kgomotso)

#	Games	Start				End
1	1	Tournament Kempton Park Team Clusters LS 2025				Tournament Kempton Park Team Clusters LS 2025
		date 2025-07-26	rnd 1	type Rapid	result 1	date 2025-07-26	rnd 1	type Rapid	result 1
		Opponent Ntombela, M (Mvela)				Opponent Ntombela, M (Mvela)
2	1	Tournament Kempton Park Cluster Individuals 2024				Tournament Kempton Park Cluster Individuals 2024
		date 2024-03-02	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 4	type Rapid	result 1
		Opponent Sithole, B (Brendel)				Opponent Sithole, B (Brendel)
3	1	Tournament Kempton Park Cluster Individuals 2024				Tournament Kempton Park Cluster Individuals 2024
		date 2024-03-02	rnd 2	type Rapid	result 1	date 2024-03-02	rnd 2	type Rapid	result 1
		Opponent Hoole, A (Aidan)				Opponent Hoole, A (Aidan)

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	Kushar ,T (Tristan)	3	0	-425	2	0	-425	1	0	-425	0	0	0
1	Kushar ,T (Tristan)	3	1518.2	1093.2	2	1528.7	1093.2	1	1149.4	1093.2	0	0	0
2	Labuschagne ,I (Ivan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
2	Labuschagne ,I (Ivan)	2	1462.3	1037.3	1	1453.3	1037.3	1	1276.2	1037.3	0	0	0
3	Murugasen ,T (Tristan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Murugasen ,T (Tristan)	1	1163.7	738.7	1	1167.6	738.7	0	0	0	0	0	0
4	Masekoane ,A (Ashlee)	1	1	425	1	1	425	0	0	0	0	0	0
4	Masekoane ,A (Ashlee)	1	1114.7	1539.7	1	1100.4	1539.7	0	0	0	0	0	0
5	Janse Van Vuuren ,A (Alexander)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Janse Van Vuuren ,A (Alexander)	1	1140.1	1140.1	1	1110	1140.1	0	0	0	0	0	0
6	De Jager ,L (Lorent)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	De Jager ,L (Lorent)	1	1372.6	947.6	1	1384.7	947.6	0	0	0	0	0	0
7	Khubeka ,T (Thandolwethu)	1	1	425	1	1	425	0	0	0	0	0	0
7	Khubeka ,T (Thandolwethu)	1	1134.6	1559.6	1	1123.2	1559.6	0	0	0	0	0	0
8	Seabela ,K (Kgomotso)	1	1	425	1	1	425	0	0	0	0	0	0
8	Seabela ,K (Kgomotso)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Helmbold ,K (Kurt)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Helmbold ,K (Kurt)	1	1338.7	1338.7	1	1254.5	1338.7	0	0	0	0	0	0
10	Smith ,H (Henre)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Smith ,H (Henre)	1	1368.4	943.4	1	1403.6	943.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Boonzaaier, A (Adrian)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms