Chess South Africa Ratings Database

PLAYER PAGE

Personal

Deng, Y (Yezhong Qi)

Chess SA id

1140305485

FIDE id

Date of birth

2014-10-04 (U12)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-09-01

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1186.2	1193	1170	1200
Raw rating	1186.2	1193	1170	1200
Weighted rating	1184.3	1192.1	1165.5	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.1	167.5	173.1	165.8
Highest rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest raw rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest weighted rating	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01	1200 2024-05-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-05-01	1200 2024-05-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1186.2	1193	1170	1200
Analysis
Rating	1186.2	1193	1170	1200
Raw rating	1186.2	1193	1170	1200
Weighted rating	1184.3	1192.1	1165.5
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	169.1	167.5	173.1	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	1186.2	1193	1170	1200
New weighted rating	1184.2	1192.1	1165.2	1200
New weighted performance	0	0	0	0
Temp new rating	1186.2	1193	1170	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1186.2	1193	1170	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	11	4	7
	0	0	0
	0	0	0
	0	0	0
History	11	4	7

Games since
	Main 11	Standard 4		Rapid 7		Blitz 0
Gender	Male
Age group	U12
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
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	11	3	27.27	-193.2	1242.4	1049.2
Standard	4	2	50	0	1144.2	1144.2
Rapid	7	1	14.29	-303.6	1298.5	994.9
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1186.2	1193	1170	1200
2025-09-01	1186.2	1193	1170	1200
2025-08-01	1186.2	1193	1170	1200
2025-07-01	1186.2	1193	1170	1200
2025-06-01	1186.2	1193	1170	1200
2025-05-01	1186.2	1193	1170	1200
2025-04-01	1186.2	1193	1170	1200
2025-03-01	1186.2	1193	1170	1200
2025-02-01	1185.2	1192.8	1166.7	1200
2025-01-01	1165	1188	1109.2	1200
2024-12-01	1165	1188	1109.2	1200
2024-11-01	1165	1188	1109.2	1200
2024-10-01	1165	1188	1109.2	1200
2024-09-01	1191.4	1188	1200	1200
2024-08-01	1191.4	1188	1200	1200
2024-07-01	1191.4	1188	1200	1200
2024-06-01	1191.4	1188	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 Power House Spring Rapid 2024	2024-09-01	2024-09-01	Rapid	Johannesburg Metro (GJM)	7	7	1	Yes	Analysis
2	GoForChess Junior Chess Championships 2024 (Senior)	2024-05-19	2024-05-19	Standard	Johannesburg Metro (GJM)	5	4	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Chess Power House Spring Rapid 2024				Tournament Chess Power House Spring Rapid 2024
		date 2024-09-01	rnd 5	type Rapid	result 1	date 2024-09-01	rnd 5	type Rapid	result 1
		Opponent Kothapally, A (Adithya)				Opponent Kothapally, A (Adithya)
2	1	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 5	type Standard	result 1	date 2024-05-19	rnd 5	type Standard	result 1
		Opponent Oyebajo, A (Adesola)				Opponent Oyebajo, A (Adesola)
3	1	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 2	type Standard	result 1	date 2024-05-19	rnd 2	type Standard	result 1
		Opponent Tang, X (Xueyi)				Opponent Tang, X (Xueyi)

#	Games	Start				End
1	1	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 5	type Standard	result 1	date 2024-05-19	rnd 5	type Standard	result 1
		Opponent Oyebajo, A (Adesola)				Opponent Oyebajo, A (Adesola)
2	1	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 2	type Standard	result 1	date 2024-05-19	rnd 2	type Standard	result 1
		Opponent Tang, X (Xueyi)				Opponent Tang, X (Xueyi)

#	Games	Start				End
1	1	Tournament Chess Power House Spring Rapid 2024				Tournament Chess Power House Spring Rapid 2024
		date 2024-09-01	rnd 5	type Rapid	result 1	date 2024-09-01	rnd 5	type Rapid	result 1
		Opponent Kothapally, A (Adithya)				Opponent Kothapally, A (Adithya)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Chess Power House Spring Rapid 2024				Tournament Chess Power House Spring Rapid 2024
		date 2024-09-01	rnd 5	type Rapid	result 1	date 2024-09-01	rnd 5	type Rapid	result 1
		Opponent Kothapally, A (Adithya)				Opponent Kothapally, A (Adithya)
2	1	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 5	type Standard	result 1	date 2024-05-19	rnd 5	type Standard	result 1
		Opponent Oyebajo, A (Adesola)				Opponent Oyebajo, A (Adesola)
3	1	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 2	type Standard	result 1	date 2024-05-19	rnd 2	type Standard	result 1
		Opponent Tang, X (Xueyi)				Opponent Tang, X (Xueyi)

#	Games	Start				End
1	1	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 5	type Standard	result 1	date 2024-05-19	rnd 5	type Standard	result 1
		Opponent Oyebajo, A (Adesola)				Opponent Oyebajo, A (Adesola)
2	1	Tournament GoForChess Junior Chess Championships 2024				Tournament GoForChess Junior Chess Championships 2024
		date 2024-05-19	rnd 2	type Standard	result 1	date 2024-05-19	rnd 2	type Standard	result 1
		Opponent Tang, X (Xueyi)				Opponent Tang, X (Xueyi)

#	Games	Start				End
1	1	Tournament Chess Power House Spring Rapid 2024				Tournament Chess Power House Spring Rapid 2024
		date 2024-09-01	rnd 5	type Rapid	result 1	date 2024-09-01	rnd 5	type Rapid	result 1
		Opponent Kothapally, A (Adithya)				Opponent Kothapally, A (Adithya)

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	Zhou ,Y (Yicheng)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Zhou ,Y (Yicheng)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Tang ,X (Xueyi)	1	1	425	1	1	425	0	0	0	0	0	0
2	Tang ,X (Xueyi)	1	1151.5	1576.5	1	1139.2	1576.5	0	0	0	0	0	0
3	Oyebajo ,A (Adesola)	1	1	425	1	1	425	0	0	0	0	0	0
3	Oyebajo ,A (Adesola)	1	1025.4	1450.4	1	997.6	1450.4	0	0	0	0	0	0
4	Yang ,H (Haochen)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Yang ,H (Haochen)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Brits ,E (Etienne)	1	0	-425	0	0	0	1	0	-425	0	0	0
5	Brits ,E (Etienne)	1	1598.6	1173.6	0	0	0	1	1430	1173.6	0	0	0
6	Beifus ,A (Aiden)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Beifus ,A (Aiden)	1	1299.2	874.2	0	0	0	1	1178	874.2	0	0	0
7	Deng ,Z (Zhong Kai)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Deng ,Z (Zhong Kai)	1	1200	775	0	0	0	1	1200	775	0	0	0
8	Kubheka ,N (Nosipho)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Kubheka ,N (Nosipho)	1	1219.8	794.8	0	0	0	1	1200	794.8	0	0	0
9	Van Heerden ,A (Alexander)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Van Heerden ,A (Alexander)	1	1265.5	840.5	0	0	0	1	1167.2	840.5	0	0	0
10	Lee ,A (Amanda)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Lee ,A (Amanda)	1	1350.3	925.3	0	0	0	1	1261.6	925.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

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PLAYER PAGE

Personal

Deng, Y (Yezhong Qi)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms