Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ni, Y (Yi Fei)

Chess SA id

106076698

FIDE id

Date of birth

2006-12-05 (U20)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2024-01-14

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1404.4	1435	586	694
Raw rating	1404.4	1435	586	694
Weighted rating	1403.9	1434.6	586	694
Weighted performance	1067	1090.5	0	0
Floor	904.4	935	500	500
K-factor	32	32	40	40
Min/Max rating change allowed	123.9	118.6	397.7	341
Highest rating	1404.4 2024-02-01	1435 2024-02-01	1200 2024-02-01	1200 2019-12-01
Highest raw rating	1404.4 2024-02-01	1435 2024-02-01	586 2024-02-01	694 2024-02-01
Highest weighted rating	1402.1 2025-08-01	1433.1 2025-08-01	586 2024-11-01	694 2024-11-01
Highest weighted performance	1398.2 2024-01-01	1431.2 2024-01-01	1200 2024-02-01	1200 2019-12-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1404.4	1435	586	694
Analysis
Rating	1404.4	1435	586	694
Raw rating	1404.4	1435	586	694
Weighted rating	1403.9	1434.6	586
Weighted performance	1067	1090.5	0
K-factor	32	32	40	40
Floor	904.4	935	500	500
Max/Min rating change allowed	123.9	118.6	397.7	341
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	1404.4	1435	586	694
New weighted rating	1404.2	1434.9	586	694
New weighted performance	1058.6	1081.8	0	0
Temp new rating	1404.4	1435	586	694
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1404.4	1435	586	694
New K-factor	32	32	40	40
New floor	904.4	935	500	500

Item	Main	Standard	Blitz
	0	0	0
	0	0	0
	5	5	0
	31	25	6
	10	10	0
	0	0	0
History	91	85	6

Games since
	Main 5	Standard 5		Rapid 0		Blitz 0
Gender	Male
Age group	U20
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U20	-1		-1		-1
U20 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	65	39.5	60.77	91.5	1252.3	1343.9
Standard	59	36.5	61.86	100.8	1246.7	1347.5
Rapid	0	0	0	0	0	0
Blitz	6	3	50	0	1308	1308

Date	Main	Standard	Rapid	Blitz
2025-11-01	1404.4	1435	586	694
2025-09-30	1404.4	1435	586	694
2025-09-01	1404.4	1435	586	694
2025-08-01	1404.4	1435	586	694
2025-07-01	1404.4	1435	586	694
2025-06-01	1404.4	1435	586	694
2025-05-01	1404.4	1435	586	694
2025-04-01	1404.4	1435	586	694
2025-03-01	1404.4	1435	586	694
2025-02-01	1404.4	1435	586	694
2025-01-01	1404.4	1435	586	694
2024-12-01	1404.4	1435	586	694
2024-11-01	1404.4	1435	586	694
2024-10-01	1404.4	1435	586	694
2024-09-01	1404.4	1435	586	694
2024-08-01	1404.4	1435	586	694
2024-07-01	1404.4	1435	586	694
2024-09-01	1404.4	1435	586	694
2024-05-01	1404.4	1435	586	694
2024-04-01	1404.4	1435	586	694
2024-03-01	1404.4	1435	586	694
2024-02-01	1404.4	1435	586	694
2024-01-01	1359.1	1397.2	586	694
2023-12-01	1359.1	1397.2	586	694

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	2024 Gauteng Inter-Region Chess Championship (U18A)	2024-01-13	2024-01-14	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
2	2023 Gauteng Top Schools (U17 Mixed)	2023-08-19	2023-08-19	Standard	West Rand (GWR)	5	5	3.5	Yes	Analysis
3	JMC - The Higher Ground Restaurant 2nd Blitz Event 2023	2023-07-30	2023-07-30	Blitz	Johannesburg Metro (GJM)	7	6	3	Yes	Analysis
4	3rd Knight Riders Junior Open 2023 (U14+U16)	2023-07-29	2023-07-29	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
5	Gauteng Schools Individual Finals 2023 (U18 Boys)	2023-05-27	2023-05-27	Standard	Ekurhuleni (GE)	5	5	2	Yes	Analysis
6	JNW Open - Crawford 2023 (B)	2023-03-04	2023-03-04	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
7	JMC 1 St Peters 2023 (C)	2023-03-18	2023-03-18	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
8	2022 Gauteng Schools Team Championships (U17 Open)	2022-08-26	2022-08-26	Standard	Tshwane (GTP)	5	5	4	Yes	Analysis
9	JNW Trinityhouse LF 2022 (Challengers)	2022-03-12	2022-03-12	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
10	JNW Club - Trinityhouse Randpark Ridge Open 2020 (D)	2020-02-22	2020-02-22	Standard	Johannesburg Metro (GJM)	5	5	4.5	Yes	Analysis
11	GoForChess Junior Championships 2019 (Open)	2019-11-16	2019-11-16	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis
12	2019 Gauteng School League Finals (U13 Open)	2019-08-23	2019-08-23	Standard	Tshwane (GTP)	5	5	2.5	Yes	Analysis
13	JNW Club - Trinityhouse Randpark Ridge Open 2019 (D)	2019-03-09	2019-03-09	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament 3rd Knight Riders Junior Open 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-30	rnd 3	type Blitz	result 1
		Opponent Yu, E (Ethan)				Opponent Scop, M (Matt)
2	6	Tournament 2023 Gauteng Top Schools				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2023-08-19	rnd 5	type Standard	result 1	date 2024-01-14	rnd 5	type Standard	result 1
		Opponent Phaswani, A (Alwani)				Opponent Mashele, H (Hlulani)
3	6	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020				Tournament JNW Trinityhouse LF 2022
		date 2020-02-22	rnd 1	type Standard	result 0.5	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Kwak, J (Jaeson)				Opponent Chhiba, N (Nikhil)

#	Games	Start				End
1	8	Tournament 3rd Knight Riders Junior Open 2023				Tournament 2023 Gauteng Top Schools
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-08-19	rnd 3	type Standard	result 1
		Opponent Yu, E (Ethan)				Opponent Richter, A (Adriaan)
2	6	Tournament 2023 Gauteng Top Schools				Tournament 2024 Gauteng Inter-Region Chess Championship
		date 2023-08-19	rnd 5	type Standard	result 1	date 2024-01-14	rnd 5	type Standard	result 1
		Opponent Phaswani, A (Alwani)				Opponent Mashele, H (Hlulani)
3	6	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020				Tournament JNW Trinityhouse LF 2022
		date 2020-02-22	rnd 1	type Standard	result 0.5	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Kwak, J (Jaeson)				Opponent Chhiba, N (Nikhil)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 2	type Blitz	result 1	date 2023-07-30	rnd 3	type Blitz	result 1
		Opponent Coulson, A (Alannah)				Opponent Scop, M (Matt)
2	1	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 6	type Blitz	result 1	date 2023-07-30	rnd 6	type Blitz	result 1
		Opponent Malebye, T (Tshimega)				Opponent Malebye, T (Tshimega)

#	Games	Start				End
1	5	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020				Tournament JNW Trinityhouse LF 2022
		date 2020-02-22	rnd 2	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Dinham, K (Kiara)				Opponent Chhiba, N (Nikhil)
2	4	Tournament 3rd Knight Riders Junior Open 2023				Tournament 3rd Knight Riders Junior Open 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-29	rnd 4	type Standard	result 1
		Opponent Yu, E (Ethan)				Opponent Pagenkopf, C (Christian)
3	4	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 2	type Standard	result 1	date 2022-08-26	rnd 5	type Standard	result 1
		Opponent Serage, T (Tumelo)				Opponent Horn, L (Logan)

#	Games	Start				End
1	5	Tournament JNW Club - Trinityhouse Randpark Ridge Open 2020				Tournament JNW Trinityhouse LF 2022
		date 2020-02-22	rnd 2	type Standard	result 1	date 2022-03-12	rnd 1	type Standard	result 1
		Opponent Dinham, K (Kiara)				Opponent Chhiba, N (Nikhil)
2	4	Tournament 3rd Knight Riders Junior Open 2023				Tournament 3rd Knight Riders Junior Open 2023
		date 2023-07-29	rnd 1	type Standard	result 1	date 2023-07-29	rnd 4	type Standard	result 1
		Opponent Yu, E (Ethan)				Opponent Pagenkopf, C (Christian)
3	4	Tournament 2022 Gauteng Schools Team Championships				Tournament 2022 Gauteng Schools Team Championships
		date 2022-08-26	rnd 2	type Standard	result 1	date 2022-08-26	rnd 5	type Standard	result 1
		Opponent Serage, T (Tumelo)				Opponent Horn, L (Logan)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 2	type Blitz	result 1	date 2023-07-30	rnd 3	type Blitz	result 1
		Opponent Coulson, A (Alannah)				Opponent Scop, M (Matt)
2	1	Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023				Tournament JMC - The Higher Ground Restaurant 2nd Blitz Event 2023
		date 2023-07-30	rnd 6	type Blitz	result 1	date 2023-07-30	rnd 6	type Blitz	result 1
		Opponent Malebye, T (Tshimega)				Opponent Malebye, T (Tshimega)

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	Kim ,J (Jaeho)	1	1	425	1	1	425	0	0	0	0	0	0
1	Kim ,J (Jaeho)	1	1235.7	1660.7	1	1241.2	1660.7	0	0	0	0	0	0
2	Ncube ,J (Julisa)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Ncube ,J (Julisa)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Dalal ,D (Dhanika)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Dalal ,D (Dhanika)	1	1258.4	833.4	1	1224.8	833.4	0	0	0	0	0	0
4	Makwana ,A (Adolf)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Makwana ,A (Adolf)	1	1440.8	1015.8	1	1456	1015.8	0	0	0	0	0	0
5	Tarafdar ,M (Mohammad)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
5	Tarafdar ,M (Mohammad)	1	1023.5	1023.5	1	1013.4	1023.5	0	0	0	0	0	0
6	De Wet ,CR (Christiaan Rudolph)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
6	De Wet ,CR (Christiaan Rudolph)	1	1135.2	1135.2	1	1157	1135.2	0	0	0	0	0	0
7	Le Roux ,N (Nathen)	1	1	425	1	1	425	0	0	0	0	0	0
7	Le Roux ,N (Nathen)	1	1141.2	1566.2	1	1142.4	1566.2	0	0	0	0	0	0
8	Roetz ,K (Kyle)	1	1	425	1	1	425	0	0	0	0	0	0
8	Roetz ,K (Kyle)	1	1257.1	1682.1	1	1244	1682.1	0	0	0	0	0	0
9	Eberwein ,HJ (Heinrich Jurgen)	1	1	425	1	1	425	0	0	0	0	0	0
9	Eberwein ,HJ (Heinrich Jurgen)	1	1276.4	1701.4	1	1265.3	1701.4	0	0	0	0	0	0
10	Bepe ,M (Munashe)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Bepe ,M (Munashe)	1	1083.3	658.3	1	1060.8	658.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Ni, Y (Yi Fei)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms