Chess South Africa Ratings Database

PLAYER PAGE

Personal

Yang, D (David)

Chess SA id

1100096063

FIDE id

Date of birth

2010-07-22 (U16)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-07-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	907.4	892	1200	1089
Raw rating	907.4	892	1200	1089
Weighted rating	907.4	892	1200	1088.4
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	251.6	257.2	165.8	194.2
Highest rating	1200 2024-11-01	1200 2018-02-01	1200 2018-10-01	1200 2024-11-01
Highest raw rating	1200 2018-01-01	1200 2018-02-01	1200 2024-02-01	1200 2018-01-01
Highest weighted rating	1200 2024-11-01	1200 2018-02-01	1200 2018-10-01	1200 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2018-02-01	1200 2024-02-01	1200 2024-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	907.4	892	1200	1089
Analysis
Rating	907.4	892	1200	1089
Raw rating	907.4	892	1200	1089
Weighted rating	907.4	892	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	251.6	257.2	165.8	194.2
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	907.4	892	1200	1089
New weighted rating	907.4	892	1200	1088.8
New weighted performance	0	0	0	0
Temp new rating	907.4	892	1200	1089
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	907.4	892	1200	1089
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	32	25	7

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	32	6	18.75	-265.6	1035	769.4
Standard	25	6	24	-221	1033.3	812.3
Rapid	0	0	0	0	0	0
Blitz	7	0	0	-425	1041	616

Date	Main	Standard	Rapid	Blitz
2025-09-30	907.4	892	1200	1089
2025-09-01	907.4	892	1200	1089
2025-08-01	907.4	892	1200	1089
2025-07-01	907.4	892	1200	1089
2025-06-01	907.4	892	1200	1089
2025-05-01	907.4	892	1200	1089
2025-04-01	907.4	892	1200	1089
2025-03-01	907.4	892	1200	1089
2025-02-01	907.4	892	1200	1089
2025-01-01	907.4	892	1200	1089
2024-12-01	907.4	892	1200	1089
2024-11-01	907.4	892	1200	1089
2024-10-01	907.4	892	1200	1089
2024-09-01	907.4	892	1200	1089
2024-08-01	907.4	892	1200	1089
2024-07-01	907.4	892	1200	1089
2024-06-01	907.4	892	1200	1089
2024-08-01	907.4	892	1200	1089
2024-04-01	907.4	892	1200	1089
2024-03-01	907.4	892	1200	1089
2024-02-01	907.4	892	1200	1089
2024-01-01	907.4	892	1200	1089
2023-12-01	907.4	892	1200	1026.8
2023-11-01	907.4	892	1200	1026.8

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	Stellenberg Youth Chess Champs 2018 (C)	2018-06-22	2018-06-23	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
2	Grassy Park Open 2018 (B)	2018-06-29	2018-07-01	Standard	Cape Town (WCT)	6	5	1	Yes	Analysis
3	Bellville Club Champs 2018 (Group 3)	2018-04-23	2018-06-04	Standard	Cape Town (WCT)	5	4	0	Yes	Analysis
4	Crossroads Open Chess Championship 2018 (C)	2018-04-27	2018-04-29	Standard	Cape Town (WCT)	6	4	2	Yes	Analysis
5	Bellville Club Champs 2018 (B)	2018-02-12	2018-04-16	Standard	Cape Town (WCT)	7	3	0	Yes	Analysis
6	2018 Western Province Open (C)	2018-03-02	2018-03-04	Standard	Cape Town (WCT)	6	3	1	Yes	Analysis
7	Bellville Chess Club 2 Blitz 2018	2018-02-05	2018-02-05	Blitz	Cape Town (WCT)	7	6	0	Yes	Analysis
8	Bellville Chess Club 1 2018	2018-01-29	2018-01-29	Blitz	Cape Town (WCT)	7	1	0	Yes	Analysis

#	Games	Start				End
1	2	Tournament Stellenberg Youth Chess Champs 2018				Tournament Grassy Park Open 2018
		date 2018-06-23	rnd 6	type Standard	result 1	date 2018-06-29	rnd 1	type Standard	result 1
		Opponent Roos, D (Dehan)				Opponent Ngudle, M (Mandisi)
2	2	Tournament Crossroads Open Chess Championship 2018				Tournament Crossroads Open Chess Championship 2018
		date 2018-04-27	rnd 2	type Standard	result 1	date 2018-04-28	rnd 4	type Standard	result 1
		Opponent Jamjam, I (Inga)				Opponent Mqana, L (Lona)
3	1	Tournament Stellenberg Youth Chess Champs 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-06-23	rnd 4	type Standard	result 1	date 2018-06-23	rnd 4	type Standard	result 1
		Opponent Osborne, H (Hannah)				Opponent Osborne, H (Hannah)

#	Games	Start				End
1	2	Tournament Stellenberg Youth Chess Champs 2018				Tournament Grassy Park Open 2018
		date 2018-06-23	rnd 6	type Standard	result 1	date 2018-06-29	rnd 1	type Standard	result 1
		Opponent Roos, D (Dehan)				Opponent Ngudle, M (Mandisi)
2	2	Tournament Crossroads Open Chess Championship 2018				Tournament Crossroads Open Chess Championship 2018
		date 2018-04-27	rnd 2	type Standard	result 1	date 2018-04-28	rnd 4	type Standard	result 1
		Opponent Jamjam, I (Inga)				Opponent Mqana, L (Lona)
3	1	Tournament Stellenberg Youth Chess Champs 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-06-23	rnd 4	type Standard	result 1	date 2018-06-23	rnd 4	type Standard	result 1
		Opponent Osborne, H (Hannah)				Opponent Osborne, H (Hannah)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Stellenberg Youth Chess Champs 2018				Tournament Grassy Park Open 2018
		date 2018-06-23	rnd 6	type Standard	result 1	date 2018-06-29	rnd 1	type Standard	result 1
		Opponent Roos, D (Dehan)				Opponent Ngudle, M (Mandisi)
2	2	Tournament Crossroads Open Chess Championship 2018				Tournament Crossroads Open Chess Championship 2018
		date 2018-04-27	rnd 2	type Standard	result 1	date 2018-04-28	rnd 4	type Standard	result 1
		Opponent Jamjam, I (Inga)				Opponent Mqana, L (Lona)
3	1	Tournament Stellenberg Youth Chess Champs 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-06-23	rnd 4	type Standard	result 1	date 2018-06-23	rnd 4	type Standard	result 1
		Opponent Osborne, H (Hannah)				Opponent Osborne, H (Hannah)

#	Games	Start				End
1	2	Tournament Stellenberg Youth Chess Champs 2018				Tournament Grassy Park Open 2018
		date 2018-06-23	rnd 6	type Standard	result 1	date 2018-06-29	rnd 1	type Standard	result 1
		Opponent Roos, D (Dehan)				Opponent Ngudle, M (Mandisi)
2	2	Tournament Crossroads Open Chess Championship 2018				Tournament Crossroads Open Chess Championship 2018
		date 2018-04-27	rnd 2	type Standard	result 1	date 2018-04-28	rnd 4	type Standard	result 1
		Opponent Jamjam, I (Inga)				Opponent Mqana, L (Lona)
3	1	Tournament Stellenberg Youth Chess Champs 2018				Tournament Stellenberg Youth Chess Champs 2018
		date 2018-06-23	rnd 4	type Standard	result 1	date 2018-06-23	rnd 4	type Standard	result 1
		Opponent Osborne, H (Hannah)				Opponent Osborne, H (Hannah)

No games found.

#	Games	Start				End

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	Cohen ,D (Dylan)	3	0	-425	2	0	-425	0	0	0	1	0	-425
1	Cohen ,D (Dylan)	3	1003	578	2	993.2	578	0	0	0	1	1047.4	578
2	Fittock ,K (Kaylee)	2	0	-425	1	0	-425	0	0	0	1	0	-425
2	Fittock ,K (Kaylee)	2	892.6	467.6	1	873.8	467.6	0	0	0	1	973.8	467.6
3	Scholtz ,L (Lemmer)	2	0	-425	0	0	0	0	0	0	2	0	-425
3	Scholtz ,L (Lemmer)	2	1187.4	762.4	0	0	0	0	0	0	2	1219.1	762.4
4	Huggett ,E (Etienne)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Huggett ,E (Etienne)	1	1092.1	667.1	1	1090.4	667.1	0	0	0	0	0	0
5	Osborne ,H (Hannah)	1	1	425	1	1	425	0	0	0	0	0	0
5	Osborne ,H (Hannah)	1	1189.1	1614.1	1	1214.8	1614.1	0	0	0	0	0	0
6	Cronje ,M (Mine)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Cronje ,M (Mine)	1	1166.8	741.8	1	1160	741.8	0	0	0	0	0	0
7	Fourie ,G (Gerhardt)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Fourie ,G (Gerhardt)	1	827.4	402.4	1	852.6	402.4	0	0	0	0	0	0
8	Adams ,A (Atiyyah)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Adams ,A (Atiyyah)	1	930.7	505.7	1	934	505.7	0	0	0	0	0	0
9	Jamjam ,I (Inga)	1	1	425	1	1	425	0	0	0	0	0	0
9	Jamjam ,I (Inga)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Roux ,A (Andre)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Roux ,A (Andre)	1	1018.4	593.4	1	1006.8	593.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Yang, D (David)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms