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

Item	Main	Standard	Rapid	Blitz
Rating	1199.4	1199.2	1200	1200
Raw rating	1199.4	1199.2	1200	1200
Weighted rating	1199.3	1199.1	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	1199.1	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
2026-01-01	1199.4	1199.2	1200	1200
2025-11-30	1199.4	1199.2	1200	1200
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
2024-11-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	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

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	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

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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