Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bioto, J (Jael)

Chess SA id

1080300244

FIDE id

Date of birth

2008-12-05 (U18)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-06-02

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1220.6	1228	1189.9	1200
Raw rating	1220.6	1228	1189.9	1200
Weighted rating	1218.2	1224.9	1188.6	1200
Weighted performance	0	0	0	0
Floor	720.6	728	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	161	159.3	168.2	165.8
Highest rating	1233.3 2024-06-01	1277 2024-06-01	1200 2024-04-01	1200 2024-04-01
Highest raw rating	1220.6 2024-07-01	1228 2024-07-01	1200 2024-04-01	1200 2024-04-01
Highest weighted rating	1220.6 2024-10-01	1228 2024-10-01	1200 2024-04-01	1200 2024-04-01
Highest weighted performance	1233.3 2024-06-01	1277 2024-06-01	1200 2024-04-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1220.6	1228	1189.9	1200
Analysis
Rating	1220.6	1228	1189.9	1200
Raw rating	1220.6	1228	1189.9	1200
Weighted rating	1218.2	1224.9	1188.6
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	720.6	728	700	700
Max/Min rating change allowed	161	159.3	168.2	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	1220.6	1228	1189.9	1200
New weighted rating	1218.7	1225.6	1188.6	1200
New weighted performance	0	0	0	0
Temp new rating	1220.6	1228	1189.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1220.6	1228	1189.9	1200
New K-factor	36	36	36	36
New floor	720.6	728	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	17	10	7
	0	0	0
	0	0	0
	0	0	0
History	17	10	7

Games since
	Main 17	Standard 10		Rapid 7		Blitz 0
Gender	Male
Age group	U18
Region	Johannesburg Metro (GJM)
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	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
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	17	8	47.06	-25	1245.6	1220.6
Standard	10	5	50	0	1253.4	1253.4
Rapid	7	3	42.86	-60.7	1234.3	1173.6
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1220.6	1228	1189.9	1200
2025-09-30	1220.6	1228	1189.9	1200
2025-09-01	1220.6	1228	1189.9	1200
2025-08-01	1220.6	1228	1189.9	1200
2025-07-01	1220.6	1228	1189.9	1200
2025-06-01	1220.6	1228	1189.9	1200
2025-05-01	1220.6	1228	1189.9	1200
2025-04-01	1220.6	1228	1189.9	1200
2025-03-01	1220.6	1228	1189.9	1200
2025-02-01	1220.6	1228	1189.7	1200
2025-01-01	1220.6	1228	1182.8	1200
2024-12-01	1220.6	1228	1182.8	1200
2024-11-01	1220.6	1228	1182.8	1200
2024-10-01	1220.6	1228	1182.8	1200
2024-09-01	1220.6	1228	1182.8	1200
2024-08-01	1220.6	1228	1182.8	1200
2024-07-01	1220.6	1228	1182.8	1200
2024-09-01	1190.1	1192	1182.8	1200
2024-05-01	1192	1192	1200	1200
2024-04-01	1192	1192	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

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Trinityhouse Little Falls 2024 (D)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
2	Lenasia Chess Academy Rapid Tournament 2024 (A)	2024-05-19	2024-05-19	Rapid	Johannesburg Metro (GJM)	7	7	3	Yes	Analysis
3	JMC Unika School Tournament 2024 (D)	2024-03-02	2024-03-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-05-19	rnd 7	type Rapid	result 1	date 2024-06-02	rnd 2	type Standard	result 1
		Opponent Narainsamy, A (Annovel)				Opponent Van Der Schyff, M (Mila-Ne)
2	1	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-06-02	rnd 4	type Standard	result 1	date 2024-06-02	rnd 4	type Standard	result 1
		Opponent Capell, A (Ashton)				Opponent Capell, A (Ashton)
3	1	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament Lenasia Chess Academy Rapid Tournament 2024
		date 2024-05-19	rnd 5	type Rapid	result 1	date 2024-05-19	rnd 5	type Rapid	result 1
		Opponent Narsi, T (Taran)				Opponent Narsi, T (Taran)

#	Games	Start				End
1	2	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-06-02	rnd 1	type Standard	result 1	date 2024-06-02	rnd 2	type Standard	result 1
		Opponent Mahlangu, S (Samukelo)				Opponent Van Der Schyff, M (Mila-Ne)
2	1	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-06-02	rnd 4	type Standard	result 1	date 2024-06-02	rnd 4	type Standard	result 1
		Opponent Capell, A (Ashton)				Opponent Capell, A (Ashton)
3	1	Tournament JMC Unika School Tournament 2024				Tournament JMC Unika School Tournament 2024
		date 2024-03-02	rnd 4	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Van Wyk, F (Franco)				Opponent Van Wyk, F (Franco)

#	Games	Start				End
1	1	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament Lenasia Chess Academy Rapid Tournament 2024
		date 2024-05-19	rnd 7	type Rapid	result 1	date 2024-05-19	rnd 7	type Rapid	result 1
		Opponent Narainsamy, A (Annovel)				Opponent Narainsamy, A (Annovel)
2	1	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament Lenasia Chess Academy Rapid Tournament 2024
		date 2024-05-19	rnd 5	type Rapid	result 1	date 2024-05-19	rnd 5	type Rapid	result 1
		Opponent Narsi, T (Taran)				Opponent Narsi, T (Taran)
3	1	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament Lenasia Chess Academy Rapid Tournament 2024
		date 2024-05-19	rnd 2	type Rapid	result 1	date 2024-05-19	rnd 2	type Rapid	result 1
		Opponent Nyirenda, SS (Stanford)				Opponent Nyirenda, SS (Stanford)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-05-19	rnd 7	type Rapid	result 1	date 2024-06-02	rnd 2	type Standard	result 1
		Opponent Narainsamy, A (Annovel)				Opponent Van Der Schyff, M (Mila-Ne)
2	1	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-06-02	rnd 4	type Standard	result 1	date 2024-06-02	rnd 4	type Standard	result 1
		Opponent Capell, A (Ashton)				Opponent Capell, A (Ashton)
3	1	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament Lenasia Chess Academy Rapid Tournament 2024
		date 2024-05-19	rnd 5	type Rapid	result 1	date 2024-05-19	rnd 5	type Rapid	result 1
		Opponent Narsi, T (Taran)				Opponent Narsi, T (Taran)

#	Games	Start				End
1	2	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-06-02	rnd 1	type Standard	result 1	date 2024-06-02	rnd 2	type Standard	result 1
		Opponent Mahlangu, S (Samukelo)				Opponent Van Der Schyff, M (Mila-Ne)
2	1	Tournament JMC Trinityhouse Little Falls 2024				Tournament JMC Trinityhouse Little Falls 2024
		date 2024-06-02	rnd 4	type Standard	result 1	date 2024-06-02	rnd 4	type Standard	result 1
		Opponent Capell, A (Ashton)				Opponent Capell, A (Ashton)
3	1	Tournament JMC Unika School Tournament 2024				Tournament JMC Unika School Tournament 2024
		date 2024-03-02	rnd 4	type Standard	result 1	date 2024-03-02	rnd 4	type Standard	result 1
		Opponent Van Wyk, F (Franco)				Opponent Van Wyk, F (Franco)

#	Games	Start				End
1	1	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament Lenasia Chess Academy Rapid Tournament 2024
		date 2024-05-19	rnd 7	type Rapid	result 1	date 2024-05-19	rnd 7	type Rapid	result 1
		Opponent Narainsamy, A (Annovel)				Opponent Narainsamy, A (Annovel)
2	1	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament Lenasia Chess Academy Rapid Tournament 2024
		date 2024-05-19	rnd 5	type Rapid	result 1	date 2024-05-19	rnd 5	type Rapid	result 1
		Opponent Narsi, T (Taran)				Opponent Narsi, T (Taran)
3	1	Tournament Lenasia Chess Academy Rapid Tournament 2024				Tournament Lenasia Chess Academy Rapid Tournament 2024
		date 2024-05-19	rnd 2	type Rapid	result 1	date 2024-05-19	rnd 2	type Rapid	result 1
		Opponent Nyirenda, SS (Stanford)				Opponent Nyirenda, SS (Stanford)

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	Mahlangu ,S (Samukelo)	1	1	425	1	1	425	0	0	0	0	0	0
1	Mahlangu ,S (Samukelo)	1	1276.2	1701.2	1	1291.4	1701.2	0	0	0	0	0	0
2	Ndlovu ,L (Lindokuhle)	1	1	425	1	1	425	0	0	0	0	0	0
2	Ndlovu ,L (Lindokuhle)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
3	Tayob ,M (Muhammed)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Tayob ,M (Muhammed)	1	1208.4	783.4	1	1202.2	783.4	0	0	0	0	0	0
4	Van Wyk ,F (Franco)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Wyk ,F (Franco)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Capell ,A (Ashton)	1	1	425	1	1	425	0	0	0	0	0	0
5	Capell ,A (Ashton)	1	1271.7	1696.7	1	1282.5	1696.7	0	0	0	0	0	0
6	Steyn ,A (Anneke)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Steyn ,A (Anneke)	1	1181.6	756.6	1	1173.9	756.6	0	0	0	0	0	0
7	Van Der Westhuizen ,J (Jack)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Van Der Westhuizen ,J (Jack)	1	1301.3	876.3	1	1303.9	876.3	0	0	0	0	0	0
8	Van Der Schyff ,M (Mila-Ne)	1	1	425	1	1	425	0	0	0	0	0	0
8	Van Der Schyff ,M (Mila-Ne)	1	1300.1	1725.1	1	1287.8	1725.1	0	0	0	0	0	0
9	Venter ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Venter ,C (Christiaan)	1	1400.1	975.1	1	1443.6	975.1	0	0	0	0	0	0
10	Chadalavada ,B (Bhaarghavarama)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Chadalavada ,B (Bhaarghavarama)	1	1195	770	1	1177.3	770	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

Bioto, J (Jael)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms