Chess South Africa Ratings Database

PLAYER PAGE

Personal

Sun, Y (Yibao He Jun)

Chess SA id

1140308043

FIDE id

Date of birth

2014-05-09 (U12)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-11-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1198.1	1195.5	1205.6	1200
Raw rating	1198.1	1195.5	1205.6	1200
Weighted rating	1193.2	1194.9	1195	1200
Weighted performance	0	0	0	0
Floor	700	700	705.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	166.3	166.9	164.5	165.8
Highest rating	1200 2024-07-01	1200 2024-07-01	1205.6 2024-12-01	1200 2024-07-01
Highest raw rating	1200 2024-07-01	1200 2024-07-01	1205.6 2024-12-01	1200 2024-07-01
Highest weighted rating	1200 2024-07-01	1200 2024-07-01	1205.6 2024-07-01	1200 2024-07-01
Highest weighted performance	1200 2024-12-01	1200 2024-07-01	1200 2024-12-01	1200 2024-07-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1198.1	1195.5	1205.6	1200
Analysis
Rating	1198.1	1195.5	1205.6	1200
Raw rating	1198.1	1195.5	1205.6	1200
Weighted rating	1193.2	1194.9	1195
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	705.6	700
Max/Min rating change allowed	166.3	166.9	164.5	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	1198.1	1195.5	1205.6	1200
New weighted rating	1193.6	1194.8	1196	1200
New weighted performance	0	0	0	0
Temp new rating	1198.1	1195.5	1205.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1198.1	1195.5	1205.6	1200
New K-factor	36	36	36	36
New floor	700	700	705.6	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	21	5	16
	0	0	0
	0	0	0
	0	0	0
History	21	5	16

Games since
	Main 21	Standard 5		Rapid 16		Blitz 0
Gender	Male
Age group	U12
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	21	8.5	40.48	-81	1251.7	1170.7
Standard	5	2	40	-85	1247.4	1162.4
Rapid	16	6.5	40.62	-79.7	1253	1173.3
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1198.1	1195.5	1205.6	1200
2025-09-01	1198.1	1195.5	1205.6	1200
2025-08-01	1198.1	1195.5	1205.6	1200
2025-07-01	1198.1	1195.5	1205.6	1200
2025-06-01	1198.1	1195.5	1205.6	1200
2025-05-01	1198.1	1195.5	1205.6	1200
2025-04-01	1198.1	1195.5	1205.6	1200
2025-03-01	1198.1	1195.5	1205.6	1200
2025-02-01	1198.1	1195.2	1205.6	1200
2025-01-01	1198.1	1188.8	1205.6	1200
2024-12-01	1198.1	1188.8	1205.6	1200
2024-11-01	1163.3	1188.8	1146	1200
2024-10-01	1165.5	1188.8	1140	1200
2024-09-01	1165.5	1188.8	1140	1200
2024-08-01	1164.2	1200	1140	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

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	Chess Challengers Championship 2024 (U10)	2024-11-23	2024-11-23	Rapid	Cape Town (WCT)	6	5	3	Yes	Analysis
2	UCT Open Chess Championship 2024 (U12)	2024-10-12	2024-10-13	Rapid	Cape Town (WCT)	6	6	2.5	Yes	Analysis
3	Western Cape Women�s Championship 2024 (U12)	2024-08-09	2024-08-09	Standard	West Coast (WCU)	5	5	2	Yes	Analysis
4	CT District North Top Schools 2024 (U13 Mixed)	2024-07-27	2024-07-27	Rapid	Cape Town (WCT)	5	5	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2024-10-13	rnd 4	type Rapid	result 1
		Opponent Chen, C (Chloe)				Opponent Arora, A (Ansh)
2	2	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 2	type Rapid	result 1	date 2024-11-23	rnd 3	type Rapid	result 1
		Opponent Ramonyaluoe, M (Madalitso)				Opponent Zhang, M (Ming Xuan Jesse)
3	1	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 6	type Rapid	result 1	date 2024-11-23	rnd 6	type Rapid	result 1
		Opponent Nel, M (Mattheus Johan)				Opponent Nel, M (Mattheus Johan)

#	Games	Start				End
1	1	Tournament Western Cape Women�s Championship 2024				Tournament Western Cape Women�s Championship 2024
		date 2024-08-09	rnd 5	type Standard	result 1	date 2024-08-09	rnd 5	type Standard	result 1
		Opponent Prins, K (Kaydee)				Opponent Prins, K (Kaydee)
2	1	Tournament Western Cape Women�s Championship 2024				Tournament Western Cape Women�s Championship 2024
		date 2024-08-09	rnd 3	type Standard	result 1	date 2024-08-09	rnd 3	type Standard	result 1
		Opponent Solitwasji, A (Akha)				Opponent Solitwasji, A (Akha)

#	Games	Start				End
1	3	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-12	rnd 2	type Rapid	result 1	date 2024-10-13	rnd 4	type Rapid	result 1
		Opponent Chen, C (Chloe)				Opponent Arora, A (Ansh)
2	2	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 2	type Rapid	result 1	date 2024-11-23	rnd 3	type Rapid	result 1
		Opponent Ramonyaluoe, M (Madalitso)				Opponent Zhang, M (Ming Xuan Jesse)
3	1	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 6	type Rapid	result 1	date 2024-11-23	rnd 6	type Rapid	result 1
		Opponent Nel, M (Mattheus Johan)				Opponent Nel, M (Mattheus Johan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 2	type Rapid	result 1	date 2024-11-23	rnd 3	type Rapid	result 1
		Opponent Ramonyaluoe, M (Madalitso)				Opponent Zhang, M (Ming Xuan Jesse)
2	1	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 6	type Rapid	result 1	date 2024-11-23	rnd 6	type Rapid	result 1
		Opponent Nel, M (Mattheus Johan)				Opponent Nel, M (Mattheus Johan)
3	1	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-13	rnd 4	type Rapid	result 1	date 2024-10-13	rnd 4	type Rapid	result 1
		Opponent Arora, A (Ansh)				Opponent Arora, A (Ansh)

#	Games	Start				End
1	1	Tournament Western Cape Women�s Championship 2024				Tournament Western Cape Women�s Championship 2024
		date 2024-08-09	rnd 5	type Standard	result 1	date 2024-08-09	rnd 5	type Standard	result 1
		Opponent Prins, K (Kaydee)				Opponent Prins, K (Kaydee)
2	1	Tournament Western Cape Women�s Championship 2024				Tournament Western Cape Women�s Championship 2024
		date 2024-08-09	rnd 3	type Standard	result 1	date 2024-08-09	rnd 3	type Standard	result 1
		Opponent Solitwasji, A (Akha)				Opponent Solitwasji, A (Akha)

#	Games	Start				End
1	2	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 2	type Rapid	result 1	date 2024-11-23	rnd 3	type Rapid	result 1
		Opponent Ramonyaluoe, M (Madalitso)				Opponent Zhang, M (Ming Xuan Jesse)
2	1	Tournament Chess Challengers Championship 2024				Tournament Chess Challengers Championship 2024
		date 2024-11-23	rnd 6	type Rapid	result 1	date 2024-11-23	rnd 6	type Rapid	result 1
		Opponent Nel, M (Mattheus Johan)				Opponent Nel, M (Mattheus Johan)
3	1	Tournament UCT Open Chess Championship 2024				Tournament UCT Open Chess Championship 2024
		date 2024-10-13	rnd 4	type Rapid	result 1	date 2024-10-13	rnd 4	type Rapid	result 1
		Opponent Arora, A (Ansh)				Opponent Arora, A (Ansh)

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	Kruger ,C (Carel)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Kruger ,C (Carel)	1	1222.5	797.5	1	1217	797.5	0	0	0	0	0	0
2	Viljoen ,A (Adrihan)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Viljoen ,A (Adrihan)	1	1290.4	865.4	1	1269.8	865.4	0	0	0	0	0	0
3	De Villiers ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	De Villiers ,C (Christiaan)	1	1443.9	1018.9	1	1269.3	1018.9	0	0	0	0	0	0
4	Solitwasji ,A (Akha)	1	1	425	1	1	425	0	0	0	0	0	0
4	Solitwasji ,A (Akha)	1	1159.7	1584.7	1	1200	1584.7	0	0	0	0	0	0
5	Prins ,K (Kaydee)	1	1	425	1	1	425	0	0	0	0	0	0
5	Prins ,K (Kaydee)	1	1120.6	1545.6	1	1200	1545.6	0	0	0	0	0	0
6	Johnson ,B (Brian)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Johnson ,B (Brian)	1	1374.3	949.3	0	0	0	1	1421.8	949.3	0	0	0
7	Ramonyaluoe ,M (Madalitso)	1	1	425	0	0	0	1	1	425	0	0	0
7	Ramonyaluoe ,M (Madalitso)	1	1387.5	1812.5	0	0	0	1	1373	1812.5	0	0	0
8	Priestley ,L (Liam)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Priestley ,L (Liam)	1	1397	972	0	0	0	1	1270.6	972	0	0	0
9	Zhang ,M (Ming Xuan Jesse)	1	1	425	0	0	0	1	1	425	0	0	0
9	Zhang ,M (Ming Xuan Jesse)	1	1390.7	1815.7	0	0	0	1	1314.3	1815.7	0	0	0
10	Wu ,H (Haonan)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Wu ,H (Haonan)	1	1186.9	761.9	0	0	0	1	1253.3	761.9	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Sun, Y (Yibao He Jun)

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