Chess South Africa Ratings Database

PLAYER PAGE

Personal

Yon, J (Jay Tee)

Chess SA id

1120147451

FIDE id

Date of birth

2012-04-08 (U14)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-11-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1143.7	1200	1095.7	1200
Raw rating	1143.7	1200	1095.7	1200
Weighted rating	1142.3	1200	1093.3	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	179.7	165.8	192.4	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2020-01-01	1200 2024-02-01	1200 2020-01-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2020-01-01	1200 2024-02-01	1200 2020-01-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1143.7	1200	1095.7	1200
Analysis
Rating	1143.7	1200	1095.7	1200
Raw rating	1143.7	1200	1095.7	1200
Weighted rating	1142.3	1200	1093.3
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	179.7	165.8	192.4	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	1143.7	1200	1095.7	1200
New weighted rating	1142.5	1200	1093.6	1200
New weighted performance	0	0	0	0
Temp new rating	1143.7	1200	1095.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1143.7	1200	1095.7	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Rapid
	0	0
	0	0
	0	0
	11	11
	5	5
	0	0
History	16	16

Games since
	Main 5	Standard 0		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	16	5	31.25	-159.4	1201.5	1042.1
Standard	0	0	0	0	0	0
Rapid	16	5	31.25	-159.4	1201.5	1042.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1143.7	1200	1095.7	1200
2025-09-01	1143.7	1200	1095.7	1200
2025-08-01	1143.7	1200	1095.7	1200
2025-07-01	1143.7	1200	1095.7	1200
2025-06-01	1143.7	1200	1095.7	1200
2025-05-01	1143.7	1200	1095.7	1200
2025-04-01	1143.7	1200	1095.7	1200
2025-03-01	1143.7	1200	1095.7	1200
2025-02-01	1143.7	1200	1095.7	1200
2025-01-01	1140.3	1200	1089.6	1200
2024-12-01	1140.3	1200	1089.6	1200
2024-11-01	1140.3	1200	1089.6	1200
2024-10-01	1140.3	1200	1089.6	1200
2024-09-01	1140.3	1200	1089.6	1200
2024-08-01	1140.3	1200	1089.6	1200
2024-07-01	1140.3	1200	1089.6	1200
2024-06-01	1140.3	1200	1089.6	1200
2024-08-01	1140.3	1200	1089.6	1200
2024-04-01	1140.3	1200	1089.6	1200
2024-03-01	1140.3	1200	1089.6	1200
2024-02-01	1140.3	1200	1089.6	1200
2024-01-01	1140.3	1200	1089.6	1200
2023-12-01	1140.3	1200	1089.6	1200
2023-11-01	1140.3	1200	1089.6	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	Chas Everitt and MHI Attorneys Rapid 2023 (U12)	2023-11-04	2023-11-04	Rapid	Cape Town (WCT)	6	5	1	Yes	Analysis
2	Cape Town Open 2023 (U12)	2023-03-25	2023-03-25	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
3	Metro Rapid 2022 (U11 Boys)	2022-10-22	2022-10-22	Rapid	Cape Town (WCT)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Chas Everitt and MHI Attorneys Rapid 2023				Tournament Chas Everitt and MHI Attorneys Rapid 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Lambrechts, K (Kailynn)				Opponent Lambrechts, K (Kailynn)
2	1	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-25	rnd 5	type Rapid	result 1	date 2023-03-25	rnd 5	type Rapid	result 1
		Opponent Makubalo, S (Sinentle)				Opponent Makubalo, S (Sinentle)
3	1	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-25	rnd 2	type Rapid	result 1	date 2023-03-25	rnd 2	type Rapid	result 1
		Opponent Mkonqo, M (Mahle)				Opponent Mkonqo, M (Mahle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Chas Everitt and MHI Attorneys Rapid 2023				Tournament Chas Everitt and MHI Attorneys Rapid 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Lambrechts, K (Kailynn)				Opponent Lambrechts, K (Kailynn)
2	1	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-25	rnd 5	type Rapid	result 1	date 2023-03-25	rnd 5	type Rapid	result 1
		Opponent Makubalo, S (Sinentle)				Opponent Makubalo, S (Sinentle)
3	1	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-25	rnd 2	type Rapid	result 1	date 2023-03-25	rnd 2	type Rapid	result 1
		Opponent Mkonqo, M (Mahle)				Opponent Mkonqo, M (Mahle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Chas Everitt and MHI Attorneys Rapid 2023				Tournament Chas Everitt and MHI Attorneys Rapid 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Lambrechts, K (Kailynn)				Opponent Lambrechts, K (Kailynn)
2	1	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-25	rnd 5	type Rapid	result 1	date 2023-03-25	rnd 5	type Rapid	result 1
		Opponent Makubalo, S (Sinentle)				Opponent Makubalo, S (Sinentle)
3	1	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-25	rnd 2	type Rapid	result 1	date 2023-03-25	rnd 2	type Rapid	result 1
		Opponent Mkonqo, M (Mahle)				Opponent Mkonqo, M (Mahle)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Chas Everitt and MHI Attorneys Rapid 2023				Tournament Chas Everitt and MHI Attorneys Rapid 2023
		date 2023-11-04	rnd 5	type Rapid	result 1	date 2023-11-04	rnd 5	type Rapid	result 1
		Opponent Lambrechts, K (Kailynn)				Opponent Lambrechts, K (Kailynn)
2	1	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-25	rnd 5	type Rapid	result 1	date 2023-03-25	rnd 5	type Rapid	result 1
		Opponent Makubalo, S (Sinentle)				Opponent Makubalo, S (Sinentle)
3	1	Tournament Cape Town Open 2023				Tournament Cape Town Open 2023
		date 2023-03-25	rnd 2	type Rapid	result 1	date 2023-03-25	rnd 2	type Rapid	result 1
		Opponent Mkonqo, M (Mahle)				Opponent Mkonqo, M (Mahle)

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	Makubalo ,S (Sinentle)	1	1	425	0	0	0	1	1	425	0	0	0
1	Makubalo ,S (Sinentle)	1	1167.5	1592.5	0	0	0	1	1130	1592.5	0	0	0
2	Waldeck ,A (Aaron)	1	0	-425	0	0	0	1	0	-425	0	0	0
2	Waldeck ,A (Aaron)	1	1276.4	851.4	0	0	0	1	1330.3	851.4	0	0	0
3	Chuang ,G (Gareth)	1	0	-425	0	0	0	1	0	-425	0	0	0
3	Chuang ,G (Gareth)	1	1210.6	785.6	0	0	0	1	1221.6	785.6	0	0	0
4	Xabadiya ,N (Nizibone)	1	0	-425	0	0	0	1	0	-425	0	0	0
4	Xabadiya ,N (Nizibone)	1	1222.9	797.9	0	0	0	1	1142.4	797.9	0	0	0
5	He ,Z (Zonghan)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	He ,Z (Zonghan)	1	1172	747	0	0	0	1	1200	747	0	0	0
6	Mokhele ,A (Anganathi)	1	1	425	0	0	0	1	1	425	0	0	0
6	Mokhele ,A (Anganathi)	1	1179.7	1604.7	0	0	0	1	1162.8	1604.7	0	0	0
7	Mkonqo ,M (Mahle)	1	1	425	0	0	0	1	1	425	0	0	0
7	Mkonqo ,M (Mahle)	1	1214.9	1639.9	0	0	0	1	1220.4	1639.9	0	0	0
8	Zhu ,Z (Zhaonan)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Zhu ,Z (Zhaonan)	1	1175.3	750.3	0	0	0	1	1166.2	750.3	0	0	0
9	Bailey ,Z (Zack)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Bailey ,Z (Zack)	1	1202	777	0	0	0	1	1200	777	0	0	0
10	Geldenhuys ,K (Katja)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Geldenhuys ,K (Katja)	1	1256	831	0	0	0	1	1221.6	831	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Yon, J (Jay Tee)

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