Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ding, C (Chiyi)

Chess SA id

2170321693

FIDE id

Date of birth

2017-03-07 (U10)

Gender

Female

Region

Tshwane (GTP)

Citizen

CHN

Titles

Chess SA registered

Yes

Last active game

2025-09-13

Personal details last changed

2025-09-10

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1207.2	1208	1200	1200
Raw rating	1183.7	1176.3	1200	1200
Weighted rating	1207.2	1208	1200	1200
Weighted performance	1110.9	1108	0	0
Floor	800.6	816.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	169.7	171.5	165.8	165.8
Highest rating	1300.6 2025-09-01	1316.7 2025-09-01	1200 2025-06-01	1200 2025-06-01
Highest raw rating	1300.6 2025-09-01	1316.7 2025-09-01	1200 2025-06-01	1200 2025-06-01
Highest weighted rating	1218.8 2025-06-01	1221.8 2025-06-01	1200 2025-06-01	1200 2025-06-01
Highest weighted performance	1263.3 2025-09-01	1264.1 2025-09-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-1.6	-2.3	0	0
New rating	1205.6	1205.8	1200	1200
Analysis
Rating	1207.2	1208	1200	1200
Raw rating	1183.7	1176.3	1200	1200
Weighted rating	1207.2	1208	1200
Weighted performance	1110.9	1108	0
K-factor	36	36	36	36
Floor	800.6	816.7	700	700
Max/Min rating change allowed	169.7	171.5	165.8	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	1183.7	1176.3	1200	1200
New weighted rating	1205.6	1205.8	1200	1200
New weighted performance	1110.5	1107.6	0	0
Temp new rating	1205.6	1205.8	1200	1200
Temp new rating +/-	-1.6	-2.3	0	0
Final new rating +/-	-1.6	-2.3	0	0
New rating	1205.6	1205.8	1200	1200
New K-factor	36	36	36	36
New floor	800.6	816.7	700	700

Item	Main	Standard
	0	0
	44	44
	0	0
	0	0
	0	0
	0	0
History	44	44

Games since
	Main 44	Standard 44		Rapid 0		Blitz 0
Gender	F
Age group	U10
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3985		1284		455
F	7		2		2
U10	368		128		60
U10 F	1		1		1
Standard
	RSA		Province		Region
Overall	3860		1357		525
F	6		2		2
U10	357		141		72
U10 F	1		1		1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U10	-1		-1		-1
U10 F	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
F	-1		-1		-1
U10	-1		-1		-1
U10 F	-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	44	14	31.82	-154.5	1311.9	1157.3
Standard	44	14	31.82	-154.5	1311.9	1157.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	44	14	31.82	-154.5	1311.9	1157.3
Standard	44	14	31.82	-154.5	1311.9	1157.3
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1183.7	1176.3	1200	1200
2025-09-01	1300.6	1316.7	1200	1200
2025-08-01	1200.4	1200.5	1200	1200
2025-07-01	1193.7	1192.9	1200	1200
2025-06-01	1218.8	1221.8	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	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

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Tshwane Chess Club Clash 2025 (Open)	2025-09-13	2025-09-13	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
2	2025 Alekhine Open (D)	2025-09-06	2025-09-07	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
3	2025 Alekhine Open (E)	2025-09-06	2025-09-06	Standard	Tshwane (GTP)	5	0	0	No	Analysis
4	2025 Midstream Open Chess Tournament (U10)	2025-08-25	2025-08-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	2025 Tshwane South School District CLOSED League Championship (U9A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2025 Etienne Lewis Closed Chess Tournament (U10)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	6	2.5	Yes	Analysis
7	2025 Jacaranda Round Robin Open Chess Tournament (N)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	0.5	Yes	Analysis
8	2025 Elise Steenkamp Open Chess Tournament (Knight)	2025-06-14	2025-06-15	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
9	2025 JMCA Open Chess Tournament (U10)	2025-06-07	2025-06-07	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	Knight Riders Juniors Open Chess Tournament 2025 (U10)	2025-05-24	2025-05-24	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Tshwane Chess Club Clash 2025 (Open)	2025-09-13	2025-09-13	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis
2	2025 Alekhine Open (D)	2025-09-06	2025-09-07	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
3	2025 Alekhine Open (E)	2025-09-06	2025-09-06	Standard	Tshwane (GTP)	5	0	0	No	Analysis
4	2025 Midstream Open Chess Tournament (U10)	2025-08-25	2025-08-25	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
5	2025 Tshwane South School District CLOSED League Championship (U9A)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
6	2025 Etienne Lewis Closed Chess Tournament (U10)	2025-08-08	2025-08-10	Standard	Tshwane (GTP)	7	6	2.5	Yes	Analysis
7	2025 Jacaranda Round Robin Open Chess Tournament (N)	2025-06-21	2025-06-21	Standard	Tshwane (GTP)	5	5	0.5	Yes	Analysis
8	2025 Elise Steenkamp Open Chess Tournament (Knight)	2025-06-14	2025-06-15	Standard	Tshwane (GTP)	5	4	0	Yes	Analysis
9	2025 JMCA Open Chess Tournament (U10)	2025-06-07	2025-06-07	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
10	Knight Riders Juniors Open Chess Tournament 2025 (U10)	2025-05-24	2025-05-24	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 1	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent Van Rooy, P (Pieter)				Opponent Le Roux, N (Nickus)
2	3	Tournament Knight Riders Juniors Open Chess Tournament 2025				Tournament Knight Riders Juniors Open Chess Tournament 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 5	type Standard	result 1
		Opponent Ntshaqa, M (Melokuhle)				Opponent Nkwanyana, O (Owami)
3	2	Tournament 2025 Etienne Lewis Closed Chess Tournament				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-10	rnd 5	type Standard	result 0.5
		Opponent Gauche, K (Kian)				Opponent Cloete, Z (Zander)

#	Games	Start				End
1	4	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 1	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent Van Rooy, P (Pieter)				Opponent Le Roux, N (Nickus)
2	3	Tournament Knight Riders Juniors Open Chess Tournament 2025				Tournament Knight Riders Juniors Open Chess Tournament 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 5	type Standard	result 1
		Opponent Ntshaqa, M (Melokuhle)				Opponent Nkwanyana, O (Owami)
3	2	Tournament 2025 Etienne Lewis Closed Chess Tournament				Tournament 2025 Etienne Lewis Closed Chess Tournament
		date 2025-08-09	rnd 4	type Standard	result 1	date 2025-08-10	rnd 5	type Standard	result 0.5
		Opponent Gauche, K (Kian)				Opponent Cloete, Z (Zander)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 1	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent Van Rooy, P (Pieter)				Opponent Le Roux, N (Nickus)
2	3	Tournament Knight Riders Juniors Open Chess Tournament 2025				Tournament Knight Riders Juniors Open Chess Tournament 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 5	type Standard	result 1
		Opponent Ntshaqa, M (Melokuhle)				Opponent Nkwanyana, O (Owami)
3	1	Tournament 2025 Midstream Open Chess Tournament				Tournament 2025 Midstream Open Chess Tournament
		date 2025-08-25	rnd 3	type Standard	result 1	date 2025-08-25	rnd 3	type Standard	result 1
		Opponent Kruger, A (Albert)				Opponent Kruger, A (Albert)

#	Games	Start				End
1	4	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 1	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent Van Rooy, P (Pieter)				Opponent Le Roux, N (Nickus)
2	3	Tournament Knight Riders Juniors Open Chess Tournament 2025				Tournament Knight Riders Juniors Open Chess Tournament 2025
		date 2025-05-24	rnd 3	type Standard	result 1	date 2025-05-24	rnd 5	type Standard	result 1
		Opponent Ntshaqa, M (Melokuhle)				Opponent Nkwanyana, O (Owami)
3	1	Tournament 2025 Midstream Open Chess Tournament				Tournament 2025 Midstream Open Chess Tournament
		date 2025-08-25	rnd 3	type Standard	result 1	date 2025-08-25	rnd 3	type Standard	result 1
		Opponent Kruger, A (Albert)				Opponent Kruger, A (Albert)

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	Kgwale ,K (Keratilwe)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Kgwale ,K (Keratilwe)	2	1445.3	1020.3	2	1441.9	1020.3	0	0	0	0	0	0
2	Cloete ,Z (Zander)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Cloete ,Z (Zander)	2	1345.3	1132.8	2	1351.9	1132.8	0	0	0	0	0	0
3	Simao ,R (Raul)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Simao ,R (Raul)	2	1413.8	988.8	2	1407.2	988.8	0	0	0	0	0	0
4	Nkwanyana ,O (Owami)	1	1	425	1	1	425	0	0	0	0	0	0
4	Nkwanyana ,O (Owami)	1	1199	1624	1	1198.8	1624	0	0	0	0	0	0
5	Swanepoel ,M (Marnu)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Swanepoel ,M (Marnu)	1	1382.4	957.4	1	1383	957.4	0	0	0	0	0	0
6	Molombwa ,O (Ofentse)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Molombwa ,O (Ofentse)	1	1658.9	1233.9	1	1641.4	1233.9	0	0	0	0	0	0
7	Seedat ,M (Muhammad)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Seedat ,M (Muhammad)	1	1361.7	936.7	1	1360.9	936.7	0	0	0	0	0	0
8	Venter ,S (Stephan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Venter ,S (Stephan)	1	1113.8	1538.8	1	1102.8	1538.8	0	0	0	0	0	0
9	Rapekhwane ,K (Kopano)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Rapekhwane ,K (Kopano)	1	1379.2	954.2	1	1380.4	954.2	0	0	0	0	0	0
10	Barkhuizen ,R (Reuben)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Barkhuizen ,R (Reuben)	1	1467.7	1042.7	1	1463.6	1042.7	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Ding, C (Chiyi)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms