Chess South Africa Ratings Database

PLAYER PAGE

Personal

Yankey, K (Kelvin)

Chess SA id

101067224

FIDE id

Date of birth

2001-07-31 (Adult)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2018-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1091.1	1100.3	717.6	717.6
Raw rating	1091.1	1100.3	717.6	717.6
Weighted rating	1091.1	1100.3	717.6	717.6
Weighted performance	119.4	120	0	0
Floor	642.3	655.1	500	500
K-factor	40	40	40	40
Min/Max rating change allowed	193.6	191.1	329.7	329.7
Highest rating	1200 2024-11-01	1200 2024-11-01	1200 2024-03-01	1200 2024-03-01
Highest raw rating	1142.3 2018-10-01	1155.1 2018-10-01	717.6 2024-03-01	717.6 2024-03-01
Highest weighted rating	1142.3 2024-11-01	1155.1 2024-11-01	717.6 2024-11-01	717.6 2024-11-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-03-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1091.1	1100.3	717.6	717.6
Analysis
Rating	1091.1	1100.3	717.6	717.6
Raw rating	1091.1	1100.3	717.6	717.6
Weighted rating	1091.1	1100.3	717.6
Weighted performance	119.4	120	0
K-factor	40	40	40	40
Floor	642.3	655.1	500	500
Max/Min rating change allowed	193.6	191.1	329.7	329.7
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	1091.1	1100.3	717.6	717.6
New weighted rating	1091.1	1100.3	717.6	717.6
New weighted performance	119.1	119.6	0	0
Temp new rating	1091.1	1100.3	717.6	717.6
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1091.1	1100.3	717.6	717.6
New K-factor	40	40	40	40
New floor	642.3	655.1	500	500

Item	Main	Standard
	0	0
	0	0
	0	0
	0	0
	0	0
	0	0
History	85	85

Games since
	Main 0	Standard 0		Rapid 0		Blitz 0
Gender	Male
Age group	Adult
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
Adult	-1		-1		-1
Adult 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	37	20.5	55.41	45.9	1054	1100
Standard	37	20.5	55.41	45.9	1054	1100
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1091.1	1100.3	717.6	717.6
2025-09-01	1091.1	1100.3	717.6	717.6
2025-08-01	1091.1	1100.3	717.6	717.6
2025-07-01	1091.1	1100.3	717.6	717.6
2025-06-01	1091.1	1100.3	717.6	717.6
2025-05-01	1091.1	1100.3	717.6	717.6
2025-04-01	1091.1	1100.3	717.6	717.6
2025-03-01	1091.1	1100.3	717.6	717.6
2025-02-01	1091.1	1100.3	717.6	717.6
2025-01-01	1091.1	1100.3	717.6	717.6
2024-12-01	1091.1	1100.3	717.6	717.6
2024-11-01	1091.1	1100.3	717.6	717.6
2024-10-01	1091.1	1100.3	717.6	717.6
2024-09-01	1091.1	1100.3	717.6	717.6
2024-08-01	1091.1	1100.3	717.6	717.6
2024-07-01	1091.1	1100.3	717.6	717.6
2024-06-01	1091.1	1100.3	717.6	717.6
2024-08-01	1091.1	1100.3	717.6	717.6
2024-04-01	1091.1	1100.3	717.6	717.6
2024-03-01	1091.1	1100.3	717.6	717.6
2024-02-01	1091.1	1100.3	717.6	717.6
2024-01-01	1091.1	1100.3	717.6	717.6
2023-12-01	1091.1	1100.3	717.6	717.6
2023-11-01	1091.1	1100.3	717.6	717.6

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	South African Junior Team Championships 2018 (U18B)	2018-12-16	2018-12-20	Standard	4 Knights (4K)	7	7	3	Yes	Analysis
2	Vikings vs South Park 2nd Open 2018	2018-09-08	2018-09-08	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
3	4th Buffalo Trials 2018 (U20+Adults)	2018-04-21	2018-04-21	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
4	Buffalo Trails 3rd 2018 (U18A-Adult)	2018-03-25	2018-03-25	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
5	2nd Buffalo Trials 2018 (U18A)	2018-03-03	2018-03-03	Standard	Buffalo City (EBC)	5	5	1.5	Yes	Analysis
6	Buffalo City 1st Chess Trials 2018 (U18A)	2018-02-03	2018-02-03	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
7	South African Junior Team Championships 2017 (U20B)	2018-01-04	2018-01-08	Standard	4 Knights (4K)	7	6	3.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament 4th Buffalo Trials 2018				Tournament Vikings vs South Park 2nd Open 2018
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-09-08	rnd 3	type Standard	result 1
		Opponent Dyantyi, K (Kanyisa)				Opponent Chang, S (Samuel)
2	5	Tournament Buffalo City 1st Chess Trials 2018				Tournament 2nd Buffalo Trials 2018
		date 2018-02-03	rnd 2	type Standard	result 1	date 2018-03-03	rnd 1	type Standard	result 0.5
		Opponent Cotterell, C (Charmaine)				Opponent Burwana, C (Camaroon)
3	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 2	type Standard	result 1	date 2018-01-06	rnd 5	type Standard	result 1
		Opponent Veldsman, C (Carmin)				Opponent Von Wielligh, A (Anri)

#	Games	Start				End
1	7	Tournament 4th Buffalo Trials 2018				Tournament Vikings vs South Park 2nd Open 2018
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-09-08	rnd 3	type Standard	result 1
		Opponent Dyantyi, K (Kanyisa)				Opponent Chang, S (Samuel)
2	5	Tournament Buffalo City 1st Chess Trials 2018				Tournament 2nd Buffalo Trials 2018
		date 2018-02-03	rnd 2	type Standard	result 1	date 2018-03-03	rnd 1	type Standard	result 0.5
		Opponent Cotterell, C (Charmaine)				Opponent Burwana, C (Camaroon)
3	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 2	type Standard	result 1	date 2018-01-06	rnd 5	type Standard	result 1
		Opponent Veldsman, C (Carmin)				Opponent Von Wielligh, A (Anri)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament 4th Buffalo Trials 2018				Tournament 4th Buffalo Trials 2018
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-04-21	rnd 4	type Standard	result 1
		Opponent Dyantyi, K (Kanyisa)				Opponent Cungcu, O (Olunje)
2	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 2	type Standard	result 1	date 2018-01-06	rnd 5	type Standard	result 1
		Opponent Veldsman, C (Carmin)				Opponent Von Wielligh, A (Anri)
3	2	Tournament Vikings vs South Park 2nd Open 2018				Tournament Vikings vs South Park 2nd Open 2018
		date 2018-09-08	rnd 2	type Standard	result 1	date 2018-09-08	rnd 3	type Standard	result 1
		Opponent Driffield, G (Gary)				Opponent Chang, S (Samuel)

#	Games	Start				End
1	3	Tournament 4th Buffalo Trials 2018				Tournament 4th Buffalo Trials 2018
		date 2018-04-21	rnd 2	type Standard	result 1	date 2018-04-21	rnd 4	type Standard	result 1
		Opponent Dyantyi, K (Kanyisa)				Opponent Cungcu, O (Olunje)
2	3	Tournament South African Junior Team Championships 2017				Tournament South African Junior Team Championships 2017
		date 2018-01-04	rnd 2	type Standard	result 1	date 2018-01-06	rnd 5	type Standard	result 1
		Opponent Veldsman, C (Carmin)				Opponent Von Wielligh, A (Anri)
3	2	Tournament Vikings vs South Park 2nd Open 2018				Tournament Vikings vs South Park 2nd Open 2018
		date 2018-09-08	rnd 2	type Standard	result 1	date 2018-09-08	rnd 3	type Standard	result 1
		Opponent Driffield, G (Gary)				Opponent Chang, S (Samuel)

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	Kamadyaapa ,O (Oscar)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
1	Kamadyaapa ,O (Oscar)	2	1049.2	836.7	2	1081.6	836.7	0	0	0	0	0	0
2	Driffield ,G (Gary)	1	1	425	1	1	425	0	0	0	0	0	0
2	Driffield ,G (Gary)	1	1292.3	1717.3	1	1316.8	1717.3	0	0	0	0	0	0
3	Burwana ,C (Camaroon)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
3	Burwana ,C (Camaroon)	1	993	993	1	993	993	0	0	0	0	0	0
4	Rampersad ,T (Trisha)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Rampersad ,T (Trisha)	1	1146.3	721.3	1	1169.8	721.3	0	0	0	0	0	0
5	Adams ,W-D (Wazeerud-Deen)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Adams ,W-D (Wazeerud-Deen)	1	1176	751	1	1179.3	751	0	0	0	0	0	0
6	Songezo ,Q (Qubungu)	1	1	425	1	1	425	0	0	0	0	0	0
6	Songezo ,Q (Qubungu)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
7	Pheko ,L (Lebohang)	1	1	425	1	1	425	0	0	0	0	0	0
7	Pheko ,L (Lebohang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
8	Chimbwanda ,P (Panashe)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Chimbwanda ,P (Panashe)	1	1807.4	1382.4	1	1807.4	1382.4	0	0	0	0	0	0
9	Austin ,B (Billy-James)	1	1	425	1	1	425	0	0	0	0	0	0
9	Austin ,B (Billy-James)	1	1022.4	1447.4	1	1012.8	1447.4	0	0	0	0	0	0
10	Fekade ,G (Gcisa)	1	1	425	1	1	425	0	0	0	0	0	0
10	Fekade ,G (Gcisa)	1	1052.3	1477.3	1	1029.2	1477.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Yankey, 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