Chess South Africa Ratings Database

PLAYER PAGE

Personal

Chen, K (Kelvin)

Chess SA id

1100137041

FIDE id

Date of birth

2010-04-15 (U16)

Gender

Male

Region

iLembe (KIK)

Citizen

RSA

Titles

Chess SA registered

Last active game

2023-08-26

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1257	1135.2	1335.1	1200
Raw rating	1257	1135.2	1335.1	1200
Weighted rating	1257	1135.2	1335.1	1200
Weighted performance	873.7	0	0	0
Floor	757	700	835.1	700
K-factor	36	36	36	36
Min/Max rating change allowed	152.9	181.9	136.8	165.8
Highest rating	1364.3 2022-02-01	1200 2018-10-01	1442.9 2022-02-01	1200 2018-10-01
Highest raw rating	1257 2024-02-01	1200 2020-01-01	1335.1 2024-02-01	1200 2024-02-01
Highest weighted rating	1257 2025-07-01	1200 2018-10-01	1335.1 2025-07-01	1200 2018-10-01
Highest weighted performance	1364.3 2022-02-01	1200 2020-01-01	1442.9 2022-02-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1257	1135.2	1335.1	1200
Analysis
Rating	1257	1135.2	1335.1	1200
Raw rating	1257	1135.2	1335.1	1200
Weighted rating	1257	1135.2	1335.1
Weighted performance	873.7	0	0
K-factor	36	36	36	36
Floor	757	700	835.1	700
Max/Min rating change allowed	152.9	181.9	136.8	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	1257	1135.2	1335.1	1200
New weighted rating	1257	1135.2	1335.1	1200
New weighted performance	873.2	0	0	0
Temp new rating	1257	1135.2	1335.1	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1257	1135.2	1335.1	1200
New K-factor	36	36	36	36
New floor	757	700	835.1	700

Item	Main	Standard	Rapid
	0	0	0
	0	0	0
	0	0	0
	10	0	10
	15	5	10
	0	0	0
History	25	5	20

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	U16
Region	iLembe (KIK)
Province	KwaZulu Natal (KZ)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	25	16	64	119	1219.6	1338.6
Standard	5	1	20	-255	1208.8	953.8
Rapid	20	15	75	212.5	1222.3	1434.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1257	1135.2	1335.1	1200
2025-09-01	1257	1135.2	1335.1	1200
2025-08-01	1257	1135.2	1335.1	1200
2025-07-01	1257	1135.2	1335.1	1200
2025-06-01	1257	1135.2	1335.1	1200
2025-05-01	1257	1135.2	1335.1	1200
2025-04-01	1257	1135.2	1335.1	1200
2025-03-01	1257	1135.2	1335.1	1200
2025-02-01	1257	1135.2	1335.1	1200
2025-01-01	1257	1135.2	1335.1	1200
2024-12-01	1257	1135.2	1335.1	1200
2024-11-01	1257	1135.2	1335.1	1200
2024-10-01	1257	1135.2	1335.1	1200
2024-09-01	1257	1135.2	1335.1	1200
2024-08-01	1257	1135.2	1335.1	1200
2024-07-01	1257	1135.2	1335.1	1200
2024-06-01	1257	1135.2	1335.1	1200
2024-08-01	1257	1135.2	1335.1	1200
2024-04-01	1257	1135.2	1335.1	1200
2024-03-01	1257	1135.2	1335.1	1200
2024-02-01	1257	1135.2	1335.1	1200
2024-01-01	1257	1135.2	1335.1	1200
2023-12-01	1257	1135.2	1335.1	1200
2023-11-01	1257	1135.2	1335.1	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	St James Rapid Rated Tournament 2023 (Senior)	2023-08-26	2023-08-26	Rapid	Ethekwini (KED)	5	5	3.5	Yes	Analysis
2	Umhlali Preparatory Rapid 2023 (Senior Primary)	2023-05-20	2023-05-20	Rapid	iLembe (KIK)	5	5	4.5	Yes	Analysis
3	Westville Senior Primary School Individual Invitational Chess Tournament 2023 (Senior Primary)	2023-04-22	2023-04-22	Rapid	Ethekwini (KED)	7	0	0	No	Analysis
4	Umhlali Preparatory Rapid 2022 (Senior Primary)	2022-05-14	2022-05-14	Rapid	iLembe (KIK)	6	6	4	Yes	Analysis
5	2022 ECA 1st Youth Trials (U14)	2022-03-05	2022-03-06	Standard	Ethekwini (KED)	6	5	1	Yes	Analysis
6	Ashton Ballito Championship 2022 (B)	2022-02-19	2022-02-19	Rapid	iLembe (KIK)	5	4	3	Yes	Analysis

#	Games	Start				End
1	11	Tournament Umhlali Preparatory Rapid 2022				Tournament St James Rapid Rated Tournament 2023
		date 2022-05-14	rnd 3	type Rapid	result 1	date 2023-08-26	rnd 2	type Rapid	result 1
		Opponent Peters, M (Miykael)				Opponent Chetty, Y (Yuvesh)
2	4	Tournament Ashton Ballito Championship 2022				Tournament Ashton Ballito Championship 2022
		date 2022-02-19	rnd 2	type Rapid	result 0.5	date 2022-02-19	rnd 5	type Rapid	result 1
		Opponent Yunnie, D (Daniel)				Opponent Sivigobind, C (Chloe)
3	2	Tournament St James Rapid Rated Tournament 2023				Tournament St James Rapid Rated Tournament 2023
		date 2023-08-26	rnd 4	type Rapid	result 1	date 2023-08-26	rnd 5	type Rapid	result 0.5
		Opponent Thiart, A (Arko)				Opponent Omile, T (Tobenna)

#	Games	Start				End
1	1	Tournament 2022 ECA 1st Youth Trials				Tournament 2022 ECA 1st Youth Trials
		date 2022-03-06	rnd 5	type Standard	result 1	date 2022-03-06	rnd 5	type Standard	result 1
		Opponent Zungu, S (Sibusiso)				Opponent Zungu, S (Sibusiso)

#	Games	Start				End
1	11	Tournament Umhlali Preparatory Rapid 2022				Tournament St James Rapid Rated Tournament 2023
		date 2022-05-14	rnd 3	type Rapid	result 1	date 2023-08-26	rnd 2	type Rapid	result 1
		Opponent Peters, M (Miykael)				Opponent Chetty, Y (Yuvesh)
2	4	Tournament Ashton Ballito Championship 2022				Tournament Ashton Ballito Championship 2022
		date 2022-02-19	rnd 2	type Rapid	result 0.5	date 2022-02-19	rnd 5	type Rapid	result 1
		Opponent Yunnie, D (Daniel)				Opponent Sivigobind, C (Chloe)
3	2	Tournament St James Rapid Rated Tournament 2023				Tournament St James Rapid Rated Tournament 2023
		date 2023-08-26	rnd 4	type Rapid	result 1	date 2023-08-26	rnd 5	type Rapid	result 0.5
		Opponent Thiart, A (Arko)				Opponent Omile, T (Tobenna)

No games found.

#	Games	Start				End

#	Games	Start				End
1	8	Tournament Umhlali Preparatory Rapid 2022				Tournament Umhlali Preparatory Rapid 2023
		date 2022-05-14	rnd 3	type Rapid	result 1	date 2023-05-20	rnd 4	type Rapid	result 1
		Opponent Peters, M (Miykael)				Opponent Bang, K (Keshav)
2	2	Tournament St James Rapid Rated Tournament 2023				Tournament St James Rapid Rated Tournament 2023
		date 2023-08-26	rnd 1	type Rapid	result 1	date 2023-08-26	rnd 2	type Rapid	result 1
		Opponent Dube, S (Siphesihle)				Opponent Chetty, Y (Yuvesh)
3	2	Tournament Ashton Ballito Championship 2022				Tournament Ashton Ballito Championship 2022
		date 2022-02-19	rnd 4	type Rapid	result 1	date 2022-02-19	rnd 5	type Rapid	result 1
		Opponent Tong, X (Xinheng)				Opponent Sivigobind, C (Chloe)

#	Games	Start				End
1	1	Tournament 2022 ECA 1st Youth Trials				Tournament 2022 ECA 1st Youth Trials
		date 2022-03-06	rnd 5	type Standard	result 1	date 2022-03-06	rnd 5	type Standard	result 1
		Opponent Zungu, S (Sibusiso)				Opponent Zungu, S (Sibusiso)

#	Games	Start				End
1	8	Tournament Umhlali Preparatory Rapid 2022				Tournament Umhlali Preparatory Rapid 2023
		date 2022-05-14	rnd 3	type Rapid	result 1	date 2023-05-20	rnd 4	type Rapid	result 1
		Opponent Peters, M (Miykael)				Opponent Bang, K (Keshav)
2	2	Tournament St James Rapid Rated Tournament 2023				Tournament St James Rapid Rated Tournament 2023
		date 2023-08-26	rnd 1	type Rapid	result 1	date 2023-08-26	rnd 2	type Rapid	result 1
		Opponent Dube, S (Siphesihle)				Opponent Chetty, Y (Yuvesh)
3	2	Tournament Ashton Ballito Championship 2022				Tournament Ashton Ballito Championship 2022
		date 2022-02-19	rnd 4	type Rapid	result 1	date 2022-02-19	rnd 5	type Rapid	result 1
		Opponent Tong, X (Xinheng)				Opponent Sivigobind, C (Chloe)

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	Zungu ,S (Sibusiso)	2	1.5	212.5	1	1	425	1	0.5	0	0	0	0
1	Zungu ,S (Sibusiso)	2	1210.1	1422.6	1	1200	1635.1	1	1200	1210.1	0	0	0
2	Tong ,H (Henry)	1	0	-425	1	0	-425	0	0	0	0	0	0
2	Tong ,H (Henry)	1	1200	775	1	1200	775	0	0	0	0	0	0
3	Zungu ,L (Lindokuhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Zungu ,L (Lindokuhle)	1	1203	778	1	1200	778	0	0	0	0	0	0
4	Naicker ,B (Breycen)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Naicker ,B (Breycen)	1	1140.7	715.7	1	1134.2	715.7	0	0	0	0	0	0
5	Bang ,K (Keshav)	1	1	425	0	0	0	1	1	425	0	0	0
5	Bang ,K (Keshav)	1	1278.3	1703.3	0	0	0	1	1331.6	1703.3	0	0	0
6	Chetty ,Y (Yuvesh)	1	1	425	0	0	0	1	1	425	0	0	0
6	Chetty ,Y (Yuvesh)	1	1165.7	1590.7	0	0	0	1	1158	1590.7	0	0	0
7	Naidoo ,V (Viya)	1	1	425	0	0	0	1	1	425	0	0	0
7	Naidoo ,V (Viya)	1	1176.6	1601.6	0	0	0	1	1154.3	1601.6	0	0	0
8	Yunnie ,D (Daniel)	1	0.5	0	0	0	0	1	0.5	0	0	0	0
8	Yunnie ,D (Daniel)	1	1226.4	1226.4	0	0	0	1	1226	1226.4	0	0	0
9	Valiallah ,A (Adam)	1	0	-425	0	0	0	1	0	-425	0	0	0
9	Valiallah ,A (Adam)	1	1200	775	0	0	0	1	1200	775	0	0	0
10	Nsibande ,K (Khayalakhe)	1	1	425	0	0	0	1	1	425	0	0	0
10	Nsibande ,K (Khayalakhe)	1	1154.4	1579.4	0	0	0	1	1146.4	1579.4	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Chen, K (Kelvin)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms