Chess South Africa Ratings Database

PLAYER PAGE

Personal

Botha, Z (Zach)

Chess SA id

1160319387

FIDE id

Date of birth

2016-08-12 (U10)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1193.2	1199.7	1189.1	1200
Raw rating	1157.7	1199.7	1130.4	1200
Weighted rating	1193.2	1199.7	1189.1	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	700	700
K-factor	40	40	36	36
Min/Max rating change allowed	176.1	165.9	183.1	165.8
Highest rating	1199.9 2025-04-14	1199.9 2025-04-14	1200 2025-05-05	1200 2025-05-05
Highest raw rating	1199.9 2025-04-14	1199.9 2025-04-14	1200 2025-05-05	1200 2025-05-05
Highest weighted rating	1199.9 2025-04-14	1199.9 2025-04-14	1200 2025-05-05	1200 2025-05-05
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-3.1	0	-5.1	0
New rating	1190.1	1199.7	1184	1200
Analysis
Rating	1193.2	1199.7	1189.1	1200
Raw rating	1157.7	1199.7	1130.4	1200
Weighted rating	1193.2	1199.7	1189.1
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	699.9	699.9	700	700
Max/Min rating change allowed	176.1	165.9	183.1	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	1157.7	1199.7	1130.4	1200
New weighted rating	1190.1	1199.7	1184	1200
New weighted performance	0	0	0	0
Temp new rating	1190.1	1199.7	1184	1200
Temp new rating +/-	-3.1	0	-5.1	0
Final new rating +/-	-3.1	0	-5.1	0
New rating	1190.1	1199.7	1184	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	11	5	6
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	11	5	6

Games since
	Main 11	Standard 5		Rapid 6		Blitz 0
Gender	Male
Age group	U10
Region	Ekurhuleni (GE)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
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	11	2.5	22.73	-231.8	1226.1	994.2
Standard	5	1.5	30	-170	1213.3	1043.3
Rapid	6	1	16.67	-283.3	1236.7	953.4
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	11	2.5	22.73	-231.8	1226.1	994.2
Standard	5	1.5	30	-170	1213.3	1043.3
Rapid	6	1	16.67	-283.3	1236.7	953.4
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1157.7	1199.7	1130.4	1200
2025-09-01	1157.7	1199.7	1130.4	1200
2025-08-01	1199.8	1199.7	1200	1200
2025-07-01	1199.8	1199.7	1200	1200
2025-06-01	1199.6	1199.6	1200	1200
2025-05-01	1197.7	1197.1	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	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
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	Benoni Primary School Cluster Teams 2025 (U9A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	6	1	Yes	Analysis
2	Benoni Primary School Cluster 12 April 2025 (U9 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Benoni Primary School Cluster Teams 2025 (U9A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	6	1	Yes	Analysis
2	Benoni Primary School Cluster 12 April 2025 (U9 Open)	2025-04-12	2025-04-12	Standard	Ekurhuleni (GE)	5	5	1.5	Yes	Analysis

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 1	type Rapid	result 1
		Opponent Ncheche, T (Tshepo)				Opponent Ncheche, T (Tshepo)
2	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 4	type Standard	result 0.5	date 2025-04-12	rnd 4	type Standard	result 0.5
		Opponent Ndwandwe, S (Sima)				Opponent Ndwandwe, S (Sima)
3	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Wild, M (Mason)				Opponent Wild, M (Mason)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 4	type Standard	result 0.5	date 2025-04-12	rnd 4	type Standard	result 0.5
		Opponent Ndwandwe, S (Sima)				Opponent Ndwandwe, S (Sima)
2	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Wild, M (Mason)				Opponent Wild, M (Mason)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 1	type Rapid	result 1
		Opponent Ncheche, T (Tshepo)				Opponent Ncheche, T (Tshepo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 1	type Rapid	result 1
		Opponent Ncheche, T (Tshepo)				Opponent Ncheche, T (Tshepo)
2	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Wild, M (Mason)				Opponent Wild, M (Mason)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster 12 April 2025				Tournament Benoni Primary School Cluster 12 April 2025
		date 2025-04-12	rnd 1	type Standard	result 1	date 2025-04-12	rnd 1	type Standard	result 1
		Opponent Wild, M (Mason)				Opponent Wild, M (Mason)

#	Games	Start				End
1	1	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 1	type Rapid	result 1	date 2025-08-02	rnd 1	type Rapid	result 1
		Opponent Ncheche, T (Tshepo)				Opponent Ncheche, T (Tshepo)

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	Maharaj ,K (Kiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Maharaj ,K (Kiaan)	1	1195	770	1	1194	770	0	0	0	0	0	0
2	Michel ,N (Nazario)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Michel ,N (Nazario)	1	1271.5	846.5	1	1259.2	846.5	0	0	0	0	0	0
3	Rice ,E (Ethan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Rice ,E (Ethan)	1	1200	775	1	1200	775	0	0	0	0	0	0
4	Wild ,M (Mason)	1	1	425	1	1	425	0	0	0	0	0	0
4	Wild ,M (Mason)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Ndwandwe ,S (Sima)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Ndwandwe ,S (Sima)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
6	van der Westhuizen ,G (Gabriel)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	van der Westhuizen ,G (Gabriel)	1	1199.8	774.8	0	0	0	1	1200	774.8	0	0	0
7	Gabel Smit ,H (Heinrich)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Gabel Smit ,H (Heinrich)	1	1344.5	919.5	0	0	0	1	1256.2	919.5	0	0	0
8	Masoeu ,A (Amogelang)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Masoeu ,A (Amogelang)	1	1202	777	0	0	0	1	1200	777	0	0	0
9	Ncheche ,T (Tshepo)	1	1	425	0	0	0	1	1	425	0	0	0
9	Ncheche ,T (Tshepo)	1	1200	1625	0	0	0	1	1200	1625	0	0	0
10	Allagoa ,A (Andre)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Allagoa ,A (Andre)	1	1253.8	828.8	0	0	0	1	1200	828.8	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Botha, 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