Chess South Africa Ratings Database

PLAYER PAGE

Personal

Yan, H (Huaifei)

Chess SA id

1120327828

FIDE id

Date of birth

2012-08-13 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1218	1236.4	1195.4	1200
Raw rating	1218	1236.4	1170.4	1200
Weighted rating	1202.8	1205.7	1195.4	1200
Weighted performance	0	0	0	0
Floor	718	736.4	699	700
K-factor	36	36	40	40
Min/Max rating change allowed	161.6	157.4	173	165.8
Highest rating	1218 2025-09-30	1236.4 2025-09-30	1199 2025-09-16	1199 2025-09-16
Highest raw rating	1218 2025-09-30	1236.4 2025-09-30	1199 2025-09-16	1199 2025-09-16
Highest weighted rating	1201.4 2025-09-30	1202.9 2025-09-30	1197.6 2025-09-30	0 2025-09-16
Highest weighted performance	0 2025-09-16	0 2025-09-16	0 2025-09-16	0 2025-09-16

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	-2.2	0
New rating	1218	1236.4	1193.2	1200
Analysis
Rating	1218	1236.4	1195.4	1200
Raw rating	1218	1236.4	1170.4	1200
Weighted rating	1202.8	1205.7	1195.4
Weighted performance	0	0	0
K-factor	36	36	40	40
Floor	718	736.4	699	700
Max/Min rating change allowed	161.6	157.4	173	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	1218	1236.4	1170.4	1200
New weighted rating	1204.1	1208.4	1193.2	1200
New weighted performance	0	0	0	0
Temp new rating	1218	1236.4	1193.2	1200
Temp new rating +/-	0	0	-2.2	0
Final new rating +/-	0	0	-2.2	0
New rating	1218	1236.4	1193.2	1200
New K-factor	36	36	40	36
New floor	718	736.4	699	700

Item	Main	Standard	Rapid
	0	0	0
	9	5	4
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	9	5	4

Games since
	Main 9	Standard 5		Rapid 4		Blitz 0
Gender	M
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
M	-1		-1		-1
U14	-1		-1		-1
U14 M	-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	9	3	33.33	-141.7	1383.6	1241.9
Standard	5	2	40	-85	1427.3	1342.3
Rapid	4	1	25	-212.5	1329	1116.5
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	9	3	33.33	-141.7	1383.6	1241.9
Standard	5	2	40	-85	1427.3	1342.3
Rapid	4	1	25	-212.5	1329	1116.5
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1218	1236.4	1170.4	1200
2025-09-30	1218	1236.4	1170.4	1200
2025-09-01	1200	1200	1200	1200
2025-08-01	1200	1200	1200	1200
2025-07-01	1200	1200	1200	1200
2025-06-01	1200	1200	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
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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	MCA Spring Flower Birthday Rapid 2025 (U14)	2025-09-20	2025-09-20	Rapid	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
2	Tshwane Chess Club Clash 2025 (Open)	2025-09-13	2025-09-13	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	MCA Spring Flower Birthday Rapid 2025 (U14)	2025-09-20	2025-09-20	Rapid	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
2	Tshwane Chess Club Clash 2025 (Open)	2025-09-13	2025-09-13	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 4	type Rapid	result 1
		Opponent Kgajane, L (Lethabo)				Opponent Kgajane, L (Lethabo)
2	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 5	type Standard	result 1	date 2025-09-13	rnd 5	type Standard	result 1
		Opponent Zhang, Y (Yufeng)				Opponent Zhang, Y (Yufeng)
3	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 3	type Standard	result 1	date 2025-09-13	rnd 3	type Standard	result 1
		Opponent Matsane, A (Abigail)				Opponent Matsane, A (Abigail)

#	Games	Start				End
1	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 5	type Standard	result 1	date 2025-09-13	rnd 5	type Standard	result 1
		Opponent Zhang, Y (Yufeng)				Opponent Zhang, Y (Yufeng)
2	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 3	type Standard	result 1	date 2025-09-13	rnd 3	type Standard	result 1
		Opponent Matsane, A (Abigail)				Opponent Matsane, A (Abigail)

#	Games	Start				End
1	1	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 4	type Rapid	result 1
		Opponent Kgajane, L (Lethabo)				Opponent Kgajane, L (Lethabo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 4	type Rapid	result 1
		Opponent Kgajane, L (Lethabo)				Opponent Kgajane, L (Lethabo)
2	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 5	type Standard	result 1	date 2025-09-13	rnd 5	type Standard	result 1
		Opponent Zhang, Y (Yufeng)				Opponent Zhang, Y (Yufeng)
3	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 3	type Standard	result 1	date 2025-09-13	rnd 3	type Standard	result 1
		Opponent Matsane, A (Abigail)				Opponent Matsane, A (Abigail)

#	Games	Start				End
1	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 5	type Standard	result 1	date 2025-09-13	rnd 5	type Standard	result 1
		Opponent Zhang, Y (Yufeng)				Opponent Zhang, Y (Yufeng)
2	1	Tournament Tshwane Chess Club Clash 2025				Tournament Tshwane Chess Club Clash 2025
		date 2025-09-13	rnd 3	type Standard	result 1	date 2025-09-13	rnd 3	type Standard	result 1
		Opponent Matsane, A (Abigail)				Opponent Matsane, A (Abigail)

#	Games	Start				End
1	1	Tournament MCA Spring Flower Birthday Rapid 2025				Tournament MCA Spring Flower Birthday Rapid 2025
		date 2025-09-20	rnd 4	type Rapid	result 1	date 2025-09-20	rnd 4	type Rapid	result 1
		Opponent Kgajane, L (Lethabo)				Opponent Kgajane, L (Lethabo)

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	Ngubeni ,JM (Jackie)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Ngubeni ,JM (Jackie)	1	1572.2	1147.2	1	1567.8	1147.2	0	0	0	0	0	0
2	Sibeko ,M (Mpiloyami)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Sibeko ,M (Mpiloyami)	1	1452.2	1027.2	1	1472.2	1027.2	0	0	0	0	0	0
3	Schutte ,R (Rico)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Schutte ,R (Rico)	1	1573.7	1148.7	1	1584.1	1148.7	0	0	0	0	0	0
4	Matsane ,A (Abigail)	1	1	425	1	1	425	0	0	0	0	0	0
4	Matsane ,A (Abigail)	1	1199.5	1624.5	1	1199.3	1624.5	0	0	0	0	0	0
5	Zhang ,Y (Yufeng)	1	1	425	1	1	425	0	0	0	0	0	0
5	Zhang ,Y (Yufeng)	1	1339.2	1764.2	1	1348.1	1764.2	0	0	0	0	0	0
6	Strickler ,L (Luke)	1	0	-425	0	0	0	1	0	-425	0	0	0
6	Strickler ,L (Luke)	1	1302	877	0	0	0	1	1200	877	0	0	0
7	Upadhyay ,S (Savya)	1	0	-425	0	0	0	1	0	-425	0	0	0
7	Upadhyay ,S (Savya)	1	1414.4	989.4	0	0	0	1	1325.4	989.4	0	0	0
8	Westoby ,A (Adam)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Westoby ,A (Adam)	1	1399.7	974.7	0	0	0	1	1290.1	974.7	0	0	0
9	Kgajane ,L (Lethabo)	1	1	425	0	0	0	1	1	425	0	0	0
9	Kgajane ,L (Lethabo)	1	1200	1625	0	0	0	1	1200	1625	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Yan, H (Huaifei)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms