Chess South Africa Ratings Database

PLAYER PAGE

Personal

Yi, M (Meiyao)

Chess SA id

1090109863

FIDE id

Date of birth

2009-01-09 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2019-08-24

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1104	1126.4	1124.8	1200
Raw rating	1104	1126.4	1124.8	1200
Weighted rating	1104	1126.4	1124.8	1200
Weighted performance	0	0	0	0
Floor	700	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	190.1	184.1	184.6	165.8
Highest rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01
Highest weighted rating	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2018-02-01	1200 2018-02-01	1200 2018-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1104	1126.4	1124.8	1200
Analysis
Rating	1104	1126.4	1124.8	1200
Raw rating	1104	1126.4	1124.8	1200
Weighted rating	1104	1126.4	1124.8
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	700	700	700	700
Max/Min rating change allowed	190.1	184.1	184.6	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	1104	1126.4	1124.8	1200
New weighted rating	1104	1126.4	1124.8	1200
New weighted performance	0	0	0	0
Temp new rating	1104	1126.4	1124.8	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1104	1126.4	1124.8	1200
New K-factor	36	36	36	36
New floor	700	700	700	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	14	4	10

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U18
Region	Cape Town (WCT)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	14	4.5	32.14	-151.8	1109.1	957.3
Standard	4	0.5	12.5	-318.8	1119.9	801.2
Rapid	10	4	40	-85	1104.7	1019.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1104	1126.4	1124.8	1200
2025-09-01	1104	1126.4	1124.8	1200
2025-08-01	1104	1126.4	1124.8	1200
2025-07-01	1104	1126.4	1124.8	1200
2025-06-01	1104	1126.4	1124.8	1200
2025-05-01	1104	1126.4	1124.8	1200
2025-04-01	1104	1126.4	1124.8	1200
2025-03-01	1104	1126.4	1124.8	1200
2025-02-01	1104	1126.4	1124.8	1200
2025-01-01	1104	1126.4	1124.8	1200
2024-12-01	1104	1126.4	1124.8	1200
2024-11-01	1104	1126.4	1124.8	1200
2024-10-01	1104	1126.4	1124.8	1200
2024-09-01	1104	1126.4	1124.8	1200
2024-08-01	1104	1126.4	1124.8	1200
2024-07-01	1104	1126.4	1124.8	1200
2024-06-01	1104	1126.4	1124.8	1200
2024-08-01	1104	1126.4	1124.8	1200
2024-04-01	1104	1126.4	1124.8	1200
2024-03-01	1104	1126.4	1124.8	1200
2024-02-01	1104	1126.4	1124.8	1200
2024-01-01	1104	1126.4	1124.8	1200
2023-12-01	1104	1126.4	1124.8	1200
2023-11-01	1104	1126.4	1124.8	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	Curro Durbanville Chess Tournament 2019 (Premier)	2019-08-23	2019-08-24	Standard	Cape Town (WCT)	6	0	0	No	Analysis
2	Curro Durbanville Chess Tournament 2019 (Junior)	2019-08-24	2019-08-24	Rapid	Cape Town (WCT)	6	6	2	Yes	Analysis
3	Stellenberg Youth Chess Championship 2019 (D)	2019-05-01	2019-05-01	Standard	Cape Town (WCT)	5	4	0.5	Yes	Analysis
4	Steinitz Chess Festival 2019 (C)	2019-04-05	2019-04-07	Standard	Cape Town (WCT)	6	0	0	No	Analysis
5	Welgemoed Chess Challenge 2019 (U12)	2019-02-23	2019-02-23	Rapid	Cape Town (WCT)	5	4	2	Yes	Analysis

#	Games	Start				End
1	3	Tournament Stellenberg Youth Chess Championship 2019				Tournament Curro Durbanville Chess Tournament 2019
		date 2019-05-01	rnd 5	type Standard	result 0.5	date 2019-08-24	rnd 2	type Rapid	result 1
		Opponent Goel, P (Pragyaa)				Opponent Barnes, L (Lilah)
2	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 4	type Rapid	result 1	date 2019-02-23	rnd 4	type Rapid	result 1
		Opponent O`connell, G (Geordan)				Opponent O`connell, G (Geordan)
3	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 2	type Rapid	result 1	date 2019-02-23	rnd 2	type Rapid	result 1
		Opponent Crotz, K (Kirsten)				Opponent Crotz, K (Kirsten)

#	Games	Start				End
1	1	Tournament Stellenberg Youth Chess Championship 2019				Tournament Stellenberg Youth Chess Championship 2019
		date 2019-05-01	rnd 5	type Standard	result 0.5	date 2019-05-01	rnd 5	type Standard	result 0.5
		Opponent Goel, P (Pragyaa)				Opponent Goel, P (Pragyaa)

#	Games	Start				End
1	2	Tournament Curro Durbanville Chess Tournament 2019				Tournament Curro Durbanville Chess Tournament 2019
		date 2019-08-24	rnd 1	type Rapid	result 1	date 2019-08-24	rnd 2	type Rapid	result 1
		Opponent Mbane, Z (Ziyanda)				Opponent Barnes, L (Lilah)
2	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 4	type Rapid	result 1	date 2019-02-23	rnd 4	type Rapid	result 1
		Opponent O`connell, G (Geordan)				Opponent O`connell, G (Geordan)
3	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 2	type Rapid	result 1	date 2019-02-23	rnd 2	type Rapid	result 1
		Opponent Crotz, K (Kirsten)				Opponent Crotz, K (Kirsten)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Curro Durbanville Chess Tournament 2019				Tournament Curro Durbanville Chess Tournament 2019
		date 2019-08-24	rnd 1	type Rapid	result 1	date 2019-08-24	rnd 2	type Rapid	result 1
		Opponent Mbane, Z (Ziyanda)				Opponent Barnes, L (Lilah)
2	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 4	type Rapid	result 1	date 2019-02-23	rnd 4	type Rapid	result 1
		Opponent O`connell, G (Geordan)				Opponent O`connell, G (Geordan)
3	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 2	type Rapid	result 1	date 2019-02-23	rnd 2	type Rapid	result 1
		Opponent Crotz, K (Kirsten)				Opponent Crotz, K (Kirsten)

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament Curro Durbanville Chess Tournament 2019				Tournament Curro Durbanville Chess Tournament 2019
		date 2019-08-24	rnd 1	type Rapid	result 1	date 2019-08-24	rnd 2	type Rapid	result 1
		Opponent Mbane, Z (Ziyanda)				Opponent Barnes, L (Lilah)
2	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 4	type Rapid	result 1	date 2019-02-23	rnd 4	type Rapid	result 1
		Opponent O`connell, G (Geordan)				Opponent O`connell, G (Geordan)
3	1	Tournament Welgemoed Chess Challenge 2019				Tournament Welgemoed Chess Challenge 2019
		date 2019-02-23	rnd 2	type Rapid	result 1	date 2019-02-23	rnd 2	type Rapid	result 1
		Opponent Crotz, K (Kirsten)				Opponent Crotz, K (Kirsten)

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	Goel ,P (Pragyaa)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
1	Goel ,P (Pragyaa)	1	1175.5	1175.5	1	1200	1175.5	0	0	0	0	0	0
2	Linegar ,J (John)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Linegar ,J (John)	1	1132.6	707.6	1	1147.2	707.6	0	0	0	0	0	0
3	Vorster ,M (Milla)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Vorster ,M (Milla)	1	1099.4	674.4	1	1103.6	674.4	0	0	0	0	0	0
4	Siebert ,E (Emily)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Siebert ,E (Emily)	1	1072.2	647.2	1	1053.2	647.2	0	0	0	0	0	0
5	Mbane ,Z (Ziyanda)	1	1	425	0	0	0	1	1	425	0	0	0
5	Mbane ,Z (Ziyanda)	1	1086.5	1511.5	0	0	0	1	1032.8	1511.5	0	0	0
6	Barnes ,L (Lilah)	1	1	425	0	0	0	1	1	425	0	0	0
6	Barnes ,L (Lilah)	1	1093	1518	0	0	0	1	1086.4	1518	0	0	0
7	Crotz ,K (Kirsten)	1	1	425	0	0	0	1	1	425	0	0	0
7	Crotz ,K (Kirsten)	1	1084.3	1509.3	0	0	0	1	702.4	1509.3	0	0	0
8	Byrne ,R (Russel)	1	0	-425	0	0	0	1	0	-425	0	0	0
8	Byrne ,R (Russel)	1	1200	775	0	0	0	1	1200	775	0	0	0
9	Rossouw ,N (Neil)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Rossouw ,N (Neil)	1	1131.3	706.3	0	0	0	1	1200	706.3	0	0	0
10	Rhode ,D (Daniel)	1	0	-425	0	0	0	1	0	-425	0	0	0
10	Rhode ,D (Daniel)	1	1125.3	700.3	0	0	0	1	1200.4	700.3	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Yi, M (Meiyao)

Ratings

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Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms