Chess South Africa Ratings Database

PLAYER PAGE

Personal

Yokwana, K (Koena)

Chess SA id

1130319064

FIDE id

Date of birth

2013-02-28 (U14)

Gender

Male

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-05-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1046.1

Item	Main	Standard	Rapid	Blitz
Rating	1199.4	1199.2	1200	1200
Raw rating	1199.4	1199.2	1200	1200
Weighted rating	1199.3	1199.2	1200	1200
Weighted performance	0	0	0	0
Floor	699.9	699.9	700	700
K-factor	40	40	36	36
Min/Max rating change allowed	166	166	165.8	165.8
Highest rating	1199.9 2025-04-03	1199.9 2025-04-03	1200 2025-05-05	1200 2025-05-05
Highest raw rating	1199.9 2025-04-03	1199.9 2025-04-03	1200 2025-05-05	1200 2025-05-05
Highest weighted rating	1199.9 2025-04-03	1199.9 2025-04-03	1200 2025-05-05	1200 2025-05-05
Highest weighted performance	0 1900-01-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1199.4	1199.2	1200	1200
Analysis
Rating	1199.4	1199.2	1200	1200
Raw rating	1199.4	1199.2	1200	1200
Weighted rating	1199.3	1199.2	1200
Weighted performance	0	0	0
K-factor	40	40	36	36
Floor	699.9	699.9	700	700
Max/Min rating change allowed	166	166	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	1199.4	1199.2	1200	1200
New weighted rating	1199.3	1199.1	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1199.4	1199.2	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1199.4	1199.2	1200	1200
New K-factor	40	40	36	36
New floor	699.9	699.9	700	700

Item	Main	Standard
	0	0
	13	13
	0	0
	0	0
	0	0
	0	0
History	13	13

Games since
	Main 13	Standard 13		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 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	13	3.5	26.92	-196.2	1244.8	1048.6
Standard	13	3.5	26.92	-196.2	1244.8	1048.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	13	3.5	26.92	-196.2	1244.8	1048.6
Standard	13	3.5	26.92	-196.2	1244.8	1048.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1199.4	1199.2	1200	1200
2025-09-30	1199.4	1199.2	1200	1200
2025-09-01	1199.4	1199.2	1200	1200
2025-08-01	1199.4	1199.2	1200	1200
2025-07-01	1199.4	1199.2	1200	1200
2025-06-01	1198.9	1198.4	1200	1200
2025-05-01	1194	1192.4	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-05-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Buffalo City Chess Trials 3 (U14)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
2	2025 Buffalo City Chess Trials 2 (U14)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	4	0.5	Yes	Analysis
3	2025 Buffalo City Chess Trials 1 (U14)	2025-03-22	2025-03-22	Standard	Buffalo City (EBC)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Buffalo City Chess Trials 3 (U14)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
2	2025 Buffalo City Chess Trials 2 (U14)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	4	0.5	Yes	Analysis
3	2025 Buffalo City Chess Trials 1 (U14)	2025-03-22	2025-03-22	Standard	Buffalo City (EBC)	5	4	1	Yes	Analysis

#	Games	Start				End
1	1	Tournament 2025 Buffalo City Chess Trials 3				Tournament 2025 Buffalo City Chess Trials 3
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, D (Darin)				Opponent Van Der Merwe, D (Darin)
2	1	Tournament 2025 Buffalo City Chess Trials 3				Tournament 2025 Buffalo City Chess Trials 3
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Mgweba, L (Luphawu)				Opponent Mgweba, L (Luphawu)
3	1	Tournament 2025 Buffalo City Chess Trials 2				Tournament 2025 Buffalo City Chess Trials 2
		date 2025-04-12	rnd 1	type Standard	result 0.5	date 2025-04-12	rnd 1	type Standard	result 0.5
		Opponent Ncapayi, Z (Zazi)				Opponent Ncapayi, Z (Zazi)

#	Games	Start				End
1	1	Tournament 2025 Buffalo City Chess Trials 3				Tournament 2025 Buffalo City Chess Trials 3
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, D (Darin)				Opponent Van Der Merwe, D (Darin)
2	1	Tournament 2025 Buffalo City Chess Trials 3				Tournament 2025 Buffalo City Chess Trials 3
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Mgweba, L (Luphawu)				Opponent Mgweba, L (Luphawu)
3	1	Tournament 2025 Buffalo City Chess Trials 2				Tournament 2025 Buffalo City Chess Trials 2
		date 2025-04-12	rnd 1	type Standard	result 0.5	date 2025-04-12	rnd 1	type Standard	result 0.5
		Opponent Ncapayi, Z (Zazi)				Opponent Ncapayi, Z (Zazi)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	1	Tournament 2025 Buffalo City Chess Trials 3				Tournament 2025 Buffalo City Chess Trials 3
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, D (Darin)				Opponent Van Der Merwe, D (Darin)
2	1	Tournament 2025 Buffalo City Chess Trials 3				Tournament 2025 Buffalo City Chess Trials 3
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Mgweba, L (Luphawu)				Opponent Mgweba, L (Luphawu)
3	1	Tournament 2025 Buffalo City Chess Trials 1				Tournament 2025 Buffalo City Chess Trials 1
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Mantyoyi, Z (Zingce)				Opponent Mantyoyi, Z (Zingce)

#	Games	Start				End
1	1	Tournament 2025 Buffalo City Chess Trials 3				Tournament 2025 Buffalo City Chess Trials 3
		date 2025-05-10	rnd 4	type Standard	result 1	date 2025-05-10	rnd 4	type Standard	result 1
		Opponent Van Der Merwe, D (Darin)				Opponent Van Der Merwe, D (Darin)
2	1	Tournament 2025 Buffalo City Chess Trials 3				Tournament 2025 Buffalo City Chess Trials 3
		date 2025-05-10	rnd 2	type Standard	result 1	date 2025-05-10	rnd 2	type Standard	result 1
		Opponent Mgweba, L (Luphawu)				Opponent Mgweba, L (Luphawu)
3	1	Tournament 2025 Buffalo City Chess Trials 1				Tournament 2025 Buffalo City Chess Trials 1
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-03-22	rnd 4	type Standard	result 1
		Opponent Mantyoyi, Z (Zingce)				Opponent Mantyoyi, Z (Zingce)

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	Cewuka ,L (Lunje)	2	0	-425	2	0	-425	0	0	0	0	0	0
1	Cewuka ,L (Lunje)	2	1373.6	948.6	2	1300.8	948.6	0	0	0	0	0	0
2	Marais ,D (Damon)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Marais ,D (Damon)	2	1259.7	834.7	2	1263.3	834.7	0	0	0	0	0	0
3	Mantyoyi ,Z (Zingce)	1	1	425	1	1	425	0	0	0	0	0	0
3	Mantyoyi ,Z (Zingce)	1	1208.4	1633.4	1	1212.9	1633.4	0	0	0	0	0	0
4	Kwelani ,A (Amvuyele)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Kwelani ,A (Amvuyele)	1	1380.9	955.9	1	1383.7	955.9	0	0	0	0	0	0
5	Mgweba ,L (Luphawu)	1	1	425	1	1	425	0	0	0	0	0	0
5	Mgweba ,L (Luphawu)	1	1154.9	1579.9	1	1145.3	1579.9	0	0	0	0	0	0
6	Phokoje ,K (Kaone)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Phokoje ,K (Kaone)	1	1198.4	773.4	1	1198.4	773.4	0	0	0	0	0	0
7	Balfour ,O (Omeleza)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Balfour ,O (Omeleza)	1	1146.3	721.3	1	1138.5	721.3	0	0	0	0	0	0
8	Van Der Merwe ,D (Darin)	1	1	425	1	1	425	0	0	0	0	0	0
8	Van Der Merwe ,D (Darin)	1	1179.1	1604.1	1	1175.6	1604.1	0	0	0	0	0	0
9	Ncapayi ,Z (Zazi)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Ncapayi ,Z (Zazi)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
10	Khobothi ,L (Liseko)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Khobothi ,L (Liseko)	1	1221	796	1	1197.5	796	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

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PLAYER PAGE

Personal

Yokwana, K (Koena)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms