Chess South Africa Ratings Database

PLAYER PAGE

Personal

Chen, Y (Yi Xiao)

Chess SA id

1090150333

FIDE id

Date of birth

2009-03-11 (U18)

Gender

Male

Region

Cape Town (WCT)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-03-04

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1178.9	1164.4	1200	1200
Raw rating	1178.9	1164.4	1200	1200
Weighted rating	1178.9	1164.4	1200	1200
Weighted performance	0	0	0	0
Floor	701	700	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	170.9	174.4	165.8	165.8
Highest rating	1208 2023-02-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1201 2023-03-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01
Highest weighted rating	1201 2023-03-01	1200 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1208 2023-02-01	1200 2019-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1178.9	1164.4	1200	1200
Analysis
Rating	1178.9	1164.4	1200	1200
Raw rating	1178.9	1164.4	1200	1200
Weighted rating	1178.9	1164.4	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	701	700	700	700
Max/Min rating change allowed	170.9	174.4	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	1178.9	1164.4	1200	1200
New weighted rating	1178.9	1164.4	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1178.9	1164.4	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1178.9	1164.4	1200	1200
New K-factor	36	36	36	36
New floor	701	700	700	700

Item	Main	Standard
	0	0
	0	0
	0	0
	10	10
	0	0
	0	0
History	10	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	10	4	40	-85	1220	1135
Standard	10	4	40	-85	1220	1135
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1178.9	1164.4	1200	1200
2025-09-01	1178.9	1164.4	1200	1200
2025-08-01	1178.9	1164.4	1200	1200
2025-07-01	1178.9	1164.4	1200	1200
2025-06-01	1178.9	1164.4	1200	1200
2025-05-01	1178.9	1164.4	1200	1200
2025-04-01	1178.9	1164.4	1200	1200
2025-03-01	1178.9	1164.4	1200	1200
2025-02-01	1178.9	1164.4	1200	1200
2025-01-01	1178.9	1164.4	1200	1200
2024-12-01	1178.9	1164.4	1200	1200
2024-11-01	1178.9	1164.4	1200	1200
2024-10-01	1178.9	1164.4	1200	1200
2024-09-01	1178.9	1164.4	1200	1200
2024-08-01	1178.9	1164.4	1200	1200
2024-07-01	1178.9	1164.4	1200	1200
2024-06-01	1178.9	1164.4	1200	1200
2024-08-01	1178.9	1164.4	1200	1200
2024-04-01	1178.9	1164.4	1200	1200
2024-03-01	1178.9	1164.4	1200	1200
2024-02-01	1178.9	1164.4	1200	1200
2024-01-01	1178.9	1164.4	1200	1200
2023-12-01	1178.9	1164.4	1200	1200
2023-11-01	1178.9	1164.4	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	Cape Town Metro Schools Chess Closed Individuals 2023 (U15 Boys)	2023-02-03	2023-03-04	Standard	Cape Town (WCT)	6	6	2	Yes	Analysis
2	District South Schools Chess Individual Trials 2023 (U15 Boys)	2023-02-03	2023-02-04	Standard	Cape Town (WCT)	6	4	2	Yes	Analysis

#	Games	Start				End
1	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 5	type Standard	result 1	date 2023-03-04	rnd 5	type Standard	result 1
		Opponent Kabuanga, A (Andre)				Opponent Kabuanga, A (Andre)
2	1	Tournament District South Schools Chess Individual Trials 2023				Tournament District South Schools Chess Individual Trials 2023
		date 2023-02-04	rnd 5	type Standard	result 1	date 2023-02-04	rnd 5	type Standard	result 1
		Opponent Morrison, C (Callum)				Opponent Morrison, C (Callum)
3	1	Tournament District South Schools Chess Individual Trials 2023				Tournament District South Schools Chess Individual Trials 2023
		date 2023-02-03	rnd 2	type Standard	result 1	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Moodley, K (Kovendan)				Opponent Moodley, K (Kovendan)

#	Games	Start				End
1	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 5	type Standard	result 1	date 2023-03-04	rnd 5	type Standard	result 1
		Opponent Kabuanga, A (Andre)				Opponent Kabuanga, A (Andre)
2	1	Tournament District South Schools Chess Individual Trials 2023				Tournament District South Schools Chess Individual Trials 2023
		date 2023-02-04	rnd 5	type Standard	result 1	date 2023-02-04	rnd 5	type Standard	result 1
		Opponent Morrison, C (Callum)				Opponent Morrison, C (Callum)
3	1	Tournament District South Schools Chess Individual Trials 2023				Tournament District South Schools Chess Individual Trials 2023
		date 2023-02-03	rnd 2	type Standard	result 1	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Moodley, K (Kovendan)				Opponent Moodley, K (Kovendan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 5	type Standard	result 1	date 2023-03-04	rnd 5	type Standard	result 1
		Opponent Kabuanga, A (Andre)				Opponent Kabuanga, A (Andre)
2	1	Tournament District South Schools Chess Individual Trials 2023				Tournament District South Schools Chess Individual Trials 2023
		date 2023-02-04	rnd 5	type Standard	result 1	date 2023-02-04	rnd 5	type Standard	result 1
		Opponent Morrison, C (Callum)				Opponent Morrison, C (Callum)
3	1	Tournament District South Schools Chess Individual Trials 2023				Tournament District South Schools Chess Individual Trials 2023
		date 2023-02-03	rnd 2	type Standard	result 1	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Moodley, K (Kovendan)				Opponent Moodley, K (Kovendan)

#	Games	Start				End
1	1	Tournament Cape Town Metro Schools Chess Closed Individuals 2023				Tournament Cape Town Metro Schools Chess Closed Individuals 2023
		date 2023-03-04	rnd 5	type Standard	result 1	date 2023-03-04	rnd 5	type Standard	result 1
		Opponent Kabuanga, A (Andre)				Opponent Kabuanga, A (Andre)
2	1	Tournament District South Schools Chess Individual Trials 2023				Tournament District South Schools Chess Individual Trials 2023
		date 2023-02-04	rnd 5	type Standard	result 1	date 2023-02-04	rnd 5	type Standard	result 1
		Opponent Morrison, C (Callum)				Opponent Morrison, C (Callum)
3	1	Tournament District South Schools Chess Individual Trials 2023				Tournament District South Schools Chess Individual Trials 2023
		date 2023-02-03	rnd 2	type Standard	result 1	date 2023-02-03	rnd 2	type Standard	result 1
		Opponent Moodley, K (Kovendan)				Opponent Moodley, K (Kovendan)

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	Jonkers ,T (Tristan)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Jonkers ,T (Tristan)	1	1421.1	996.1	1	1413.4	996.1	0	0	0	0	0	0
2	Kabuanga ,A (Andre)	1	1	425	1	1	425	0	0	0	0	0	0
2	Kabuanga ,A (Andre)	1	1178.8	1603.8	1	1184.4	1603.8	0	0	0	0	0	0
3	Uhuaba ,A (Adam)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Uhuaba ,A (Adam)	1	1227.2	802.2	1	1192	802.2	0	0	0	0	0	0
4	Winter ,C (Cuthanzario)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Winter ,C (Cuthanzario)	1	1419	994	1	1329.3	994	0	0	0	0	0	0
5	Morrison ,C (Callum)	1	1	425	1	1	425	0	0	0	0	0	0
5	Morrison ,C (Callum)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	De Kock ,W (Wade)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	De Kock ,W (Wade)	1	1200	775	1	1200	775	0	0	0	0	0	0
7	Nabela ,A (Alutshitshi)	1	1	425	1	1	425	0	0	0	0	0	0
7	Nabela ,A (Alutshitshi)	1	1270.5	1695.5	1	1243	1695.5	0	0	0	0	0	0
8	Moodley ,K (Kovendan)	1	1	425	1	1	425	0	0	0	0	0	0
8	Moodley ,K (Kovendan)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
9	Solomon ,D (Daniel)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Solomon ,D (Daniel)	1	1399.5	974.5	1	1392.1	974.5	0	0	0	0	0	0
10	Gluckman ,L (Levi)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Gluckman ,L (Levi)	1	683.6	258.6	1	698	258.6	0	0	0	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

Chen, Y (Yi Xiao)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms