Chess South Africa Ratings Database

PLAYER PAGE

Personal

Booi, A (Ayabulela)

Chess SA id

1170322652

FIDE id

Date of birth

2017-05-17 (U10)

Gender

Male

Region

Ekurhuleni (GE)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1152.1

Item	Main	Standard	Rapid	Blitz
Rating	1215.3	1200.9	1240.9	1200
Raw rating	1215.3	1181.4	1240.9	1200
Weighted rating	1205.4	1200.9	1206.4	1200
Weighted performance	0	0	0	0
Floor	720.9	726.5	740.9	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.2	170.3	156.4	165.8
Highest rating	1220.9 2025-07-01	1226.5 2025-07-01	1240.9 2025-09-01	1200 2025-07-01
Highest raw rating	1220.9 2025-07-01	1226.5 2025-07-01	1240.9 2025-09-01	1200 2025-07-01
Highest weighted rating	1204.4 2025-09-01	1204.1 2025-08-01	1203.3 2025-09-01	1200 2025-07-01
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	0	-1.5	0	0
New rating	1215.3	1199.3	1240.9	1200
Analysis
Rating	1215.3	1200.9	1240.9	1200
Raw rating	1215.3	1181.4	1240.9	1200
Weighted rating	1205.4	1200.9	1206.4
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	720.9	726.5	740.9	700
Max/Min rating change allowed	162.2	170.3	156.4	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	1215.3	1181.4	1240.9	1200
New weighted rating	1206.4	1199.3	1209.4	1200
New weighted performance	0	0	0	0
Temp new rating	1215.3	1199.3	1240.9	1200
Temp new rating +/-	0	-1.5	0	0
Final new rating +/-	0	-1.5	0	0
New rating	1215.3	1199.3	1240.9	1200
New K-factor	36	36	36	36
New floor	720.9	726.5	740.9	700

Item	Main	Standard	Rapid
	0	0	0
	16	10	6
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	16	10	6

Games since
	Main 16	Standard 10		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	16	8	50	0	1260.3	1260.3
Standard	10	4	40	-85	1265.1	1180.1
Rapid	6	4	66.67	141.7	1252.3	1394
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	16	8	50	0	1260.3	1260.3
Standard	10	4	40	-85	1265.1	1180.1
Rapid	6	4	66.67	141.7	1252.3	1394
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1215.3	1181.4	1240.9	1200
2025-09-01	1215.3	1181.4	1240.9	1200
2025-08-01	1220.9	1226.5	1200	1200
2025-07-01	1220.9	1226.5	1200	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	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	Ekurhuleni North Schools Teams 2025 (U9)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
2	Benoni Primary School Cluster Teams 2025 (U9A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	6	4	Yes	Analysis
3	Ekurhuleni North School District Finals 2025 (U9 Boys)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Ekurhuleni North Schools Teams 2025 (U9)	2025-08-16	2025-08-16	Standard	Ekurhuleni (GE)	5	5	1	Yes	Analysis
2	Benoni Primary School Cluster Teams 2025 (U9A)	2025-08-02	2025-08-02	Rapid	Ekurhuleni (GE)	7	6	4	Yes	Analysis
3	Ekurhuleni North School District Finals 2025 (U9 Boys)	2025-06-14	2025-06-14	Standard	Ekurhuleni (GE)	5	5	3	Yes	Analysis

#	Games	Start				End
1	3	Tournament Benoni Primary School Cluster Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-02	rnd 6	type Rapid	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Padayachee, A (Ariyah)				Opponent Mlotshwa, M (Minenhle)
2	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Saunders, J (Jaiden)				Opponent Joubert, J (Jurgen)
3	2	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Modisa, O (Oagile)				Opponent Madi, O (Okuhle)

#	Games	Start				End
1	2	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-06-14	rnd 5	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Van Niekerk, Z (Zayden)				Opponent Mlotshwa, M (Minenhle)
2	2	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Modisa, O (Oagile)				Opponent Madi, O (Okuhle)

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 6	type Rapid	result 1	date 2025-08-02	rnd 7	type Rapid	result 1
		Opponent Padayachee, A (Ariyah)				Opponent Rice, E (Ethan)
2	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Saunders, J (Jaiden)				Opponent Joubert, J (Jurgen)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Benoni Primary School Cluster Teams 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-08-02	rnd 6	type Rapid	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Padayachee, A (Ariyah)				Opponent Mlotshwa, M (Minenhle)
2	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Saunders, J (Jaiden)				Opponent Joubert, J (Jurgen)
3	2	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Modisa, O (Oagile)				Opponent Madi, O (Okuhle)

#	Games	Start				End
1	2	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North Schools Teams 2025
		date 2025-06-14	rnd 5	type Standard	result 1	date 2025-08-16	rnd 1	type Standard	result 1
		Opponent Van Niekerk, Z (Zayden)				Opponent Mlotshwa, M (Minenhle)
2	2	Tournament Ekurhuleni North School District Finals 2025				Tournament Ekurhuleni North School District Finals 2025
		date 2025-06-14	rnd 2	type Standard	result 1	date 2025-06-14	rnd 3	type Standard	result 1
		Opponent Modisa, O (Oagile)				Opponent Madi, O (Okuhle)

#	Games	Start				End
1	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 6	type Rapid	result 1	date 2025-08-02	rnd 7	type Rapid	result 1
		Opponent Padayachee, A (Ariyah)				Opponent Rice, E (Ethan)
2	2	Tournament Benoni Primary School Cluster Teams 2025				Tournament Benoni Primary School Cluster Teams 2025
		date 2025-08-02	rnd 3	type Rapid	result 1	date 2025-08-02	rnd 4	type Rapid	result 1
		Opponent Saunders, J (Jaiden)				Opponent Joubert, J (Jurgen)

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	Smit ,L (Liam)	2	0	-425	1	0	-425	1	0	-425	0	0	0
1	Smit ,L (Liam)	2	1450.4	1025.4	1	1344	1025.4	1	1344.7	1025.4	0	0	0
2	Saunders ,J (Jaiden)	2	1	0	1	0	-425	1	1	425	0	0	0
2	Saunders ,J (Jaiden)	2	1213.2	1213.2	1	1220.4	788.2	1	1173.7	1638.2	0	0	0
3	Mlotshwa ,M (Minenhle)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mlotshwa ,M (Minenhle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
4	Masekela ,L (Lepato)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Masekela ,L (Lepato)	1	1352.5	927.5	1	1350.8	927.5	0	0	0	0	0	0
5	Modisa ,O (Oagile)	1	1	425	1	1	425	0	0	0	0	0	0
5	Modisa ,O (Oagile)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Kanyane ,N (Nhlakanipho)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Kanyane ,N (Nhlakanipho)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Lamola ,L (Leago)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Lamola ,L (Leago)	1	1301.7	876.7	1	1287.2	876.7	0	0	0	0	0	0
8	Gabel Smit ,H (Heinrich)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Gabel Smit ,H (Heinrich)	1	1337.1	912.1	1	1355	912.1	0	0	0	0	0	0
9	Madi ,O (Okuhle)	1	1	425	1	1	425	0	0	0	0	0	0
9	Madi ,O (Okuhle)	1	1199.9	1624.9	1	1199.8	1624.9	0	0	0	0	0	0
10	Van Niekerk ,Z (Zayden)	1	1	425	1	1	425	0	0	0	0	0	0
10	Van Niekerk ,Z (Zayden)	1	1199.8	1624.8	1	1199.7	1624.8	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Booi, A (Ayabulela)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms