Chess South Africa Ratings Database

PLAYER PAGE

Personal

Duba, K (Khanyisile)

Chess SA id

2090154507

FIDE id

Date of birth

2009-11-26 (U18)

Gender

Female

Region

Ngaka Modiri Molema (NNM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-10-18

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1272.5

Item	Main	Standard	Rapid	Blitz
Rating	1212.8	1211.7	1178.6	1200
Raw rating	1212.8	1211.7	1178.6	1200
Weighted rating	1192.6	1188.3	1178	1200
Weighted performance	1185.7	1186.3	0	0
Floor	729	731.9	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	162.8	163.1	170.9	165.8
Highest rating	1229 2025-06-01	1231.9 2025-06-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1229 2025-06-01	1231.9 2025-06-01	1200 2019-12-01	1200 2024-02-01
Highest weighted rating	1229 2018-10-01	1231.9 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1214.2 2025-06-01	1214.5 2019-12-01	1200 2019-12-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1212.8	1211.7	1178.6	1200
Analysis
Rating	1212.8	1211.7	1178.6	1200
Raw rating	1212.8	1211.7	1178.6	1200
Weighted rating	1192.6	1188.3	1178
Weighted performance	1185.7	1186.3	0
K-factor	36	36	36	36
Floor	729	731.9	700	700
Max/Min rating change allowed	162.8	163.1	170.9	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	1212.8	1211.7	1178.6	1200
New weighted rating	1196.3	1192.8	1178.1	1200
New weighted performance	1178.5	1179.1	0	0
Temp new rating	1212.8	1211.7	1178.6	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1212.8	1211.7	1178.6	1200
New K-factor	36	36	36	36
New floor	729	731.9	700	700

Item	Main	Standard	Rapid
	0	0	0
	15	15	0
	24	24	0
	19	12	7
	0	0	0
	0	0	0
History	58	51	7

Games since
	Main 39	Standard 39		Rapid 0		Blitz 0
Gender	Female
Age group	U18
Region	Ngaka Modiri Molema (NNM)
Province	Northwest (NW)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Standard
	RSA		Province		Region
Overall	3977		279		32
Female	939		54		5
U18	605		38		6
U18 Female	109		9		2
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U18	-1		-1		-1
U18 Female	-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	15	7.5	50	0	1216.1	1216.1
Standard	15	7.5	50	0	1216.1	1216.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	58	23.5	40.52	-80.6	1225.3	1144.7
Standard	51	20.5	40.2	-83.3	1223.3	1140
Rapid	7	3	42.86	-60.7	1239.4	1178.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1212.8	1211.7	1178.6	1200
2025-09-30	1208.6	1205.6	1178.6	1200
2025-09-01	1229	1231.9	1178.6	1200
2025-08-01	1229	1231.9	1178.6	1200
2025-07-01	1229	1231.9	1178.6	1200
2025-06-01	1229	1231.9	1178.6	1200
2025-05-01	1214.7	1214.3	1178.6	1200
2025-04-01	1214.7	1214.3	1178.6	1200
2025-03-01	1214.7	1214.3	1178.6	1200
2025-02-01	1214.7	1214.3	1178.6	1200
2025-01-01	1214.7	1214.3	1177	1200
2024-12-01	1214.7	1214.3	1177	1200
2024-11-01	1145.1	1141.3	1177	1200
2024-10-01	1145.1	1141.3	1177	1200
2024-09-01	1145.1	1141.3	1177	1200
2024-08-01	1085.9	1059.6	1177	1200
2024-07-01	1085.9	1059.6	1177	1200
2024-09-01	1085.9	1059.6	1177	1200
2024-05-01	1100.8	1072.9	1177	1200
2024-04-01	1111	1079.4	1177	1200
2024-03-01	1111	1079.4	1177	1200
2024-02-01	1111	1079.4	1177	1200
2024-01-01	1111	1079.4	1177	1200
2023-12-01	1111	1079.4	1177	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	Justice Tlamama Open Chess 2025 (U18)	2025-10-18	2025-10-18	Standard	Ngaka Modiri Molema (NNM)	5	5	2.5	Yes	Analysis
2	Heritage Day Chess 2025 (Open)	2025-09-27	2025-09-27	Standard	Ngaka Modiri Molema (NNM)	5	5	2	Yes	Analysis
3	Freedom Day Tournament 2025 (Open)	2025-05-17	2025-05-17	Standard	Ngaka Modiri Molema (NNM)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Justice Tlamama Open Chess 2025 (U18)	2025-10-18	2025-10-18	Standard	Ngaka Modiri Molema (NNM)	5	5	2.5	Yes	Analysis
2	Heritage Day Chess 2025 (Open)	2025-09-27	2025-09-27	Standard	Ngaka Modiri Molema (NNM)	5	5	2	Yes	Analysis
3	Freedom Day Tournament 2025 (Open)	2025-05-17	2025-05-17	Standard	Ngaka Modiri Molema (NNM)	5	5	3	Yes	Analysis
4	Justice Tlamama Honorary Open Chess 2024 (U15)	2024-11-01	2024-11-01	Standard	Ngaka Modiri Molema (NNM)	5	5	3	Yes	Analysis
5	North West Schools Finals 2024 (U15 Girls)	2024-08-24	2024-08-24	Standard	Ngaka Modiri Molema (NNM)	5	5	3	Yes	Analysis
6	NMM School League 2024 (U15 Girls)	2024-08-10	2024-08-10	Standard	Ngaka Modiri Molema (NNM)	5	5	2.5	Yes	Analysis
7	Freedom Day Open Chess Tournament 2024 (Open)	2024-05-04	2024-05-04	Standard	Ngaka Modiri Molema (NNM)	5	4	1	Yes	Analysis
8	Heritage Day Chess Tournament 2024 (Open)	2024-04-06	2024-04-06	Standard	Ngaka Modiri Molema (NNM)	5	5	1.5	Yes	Analysis
9	NWU Rapid Chess Tournament 2023	2023-09-09	2023-09-09	Rapid	Ngaka Modiri Molema (NNM)	7	7	3	Yes	Analysis
10	North West Selection Tournament 2023 (U15 Girls)	2023-06-02	2023-06-03	Standard	Ngaka Modiri Molema (NNM)	7	7	1	Yes	Analysis
11	Freedom Day Tournament 2023 (B)	2023-04-29	2023-04-29	Standard	Ngaka Modiri Molema (NNM)	5	5	1	Yes	Analysis

#	Games	Start				End
1	3	Tournament Justice Tlamama Open Chess 2025				Tournament Justice Tlamama Open Chess 2025
		date 2025-10-18	rnd 2	type Standard	result 0.5	date 2025-10-18	rnd 4	type Standard	result 1
		Opponent Majaja, A (Amogelang)				Opponent Kokoeng, B (Bokamoso)
2	3	Tournament Justice Tlamama Honorary Open Chess 2024				Tournament Freedom Day Tournament 2025
		date 2024-11-01	rnd 4	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Modise, M (Mosa)				Opponent Seadimo, B (Bokamoso)
3	2	Tournament Freedom Day Tournament 2025				Tournament Heritage Day Chess 2025
		date 2025-05-17	rnd 5	type Standard	result 1	date 2025-09-27	rnd 1	type Standard	result 1
		Opponent Itumeleng, O (Onalenna)				Opponent Lemme, M (Modire)

#	Games	Start				End
1	3	Tournament Justice Tlamama Honorary Open Chess 2024				Tournament Freedom Day Tournament 2025
		date 2024-11-01	rnd 4	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Modise, M (Mosa)				Opponent Seadimo, B (Bokamoso)
2	2	Tournament North West Schools Finals 2024				Tournament North West Schools Finals 2024
		date 2024-08-24	rnd 2	type Standard	result 1	date 2024-08-24	rnd 3	type Standard	result 1
		Opponent Tlholoe, K (Kelebogile)				Opponent Mokoena, T (Thato)
3	2	Tournament NMM School League 2024				Tournament NMM School League 2024
		date 2024-08-10	rnd 2	type Standard	result 1	date 2024-08-10	rnd 3	type Standard	result 1
		Opponent Shezi, N (Ntswaki)				Opponent Sebako, K (Kealeboga)

#	Games	Start				End
1	2	Tournament NWU Rapid Chess Tournament 2023				Tournament NWU Rapid Chess Tournament 2023
		date 2023-09-09	rnd 3	type Rapid	result 1	date 2023-09-09	rnd 4	type Rapid	result 1
		Opponent Baloyi, M (Makungu)				Opponent Selefo, GN (Gosiame Nelson)
2	1	Tournament NWU Rapid Chess Tournament 2023				Tournament NWU Rapid Chess Tournament 2023
		date 2023-09-09	rnd 7	type Rapid	result 1	date 2023-09-09	rnd 7	type Rapid	result 1
		Opponent Mtyali, M (Mpendulo)				Opponent Mtyali, M (Mpendulo)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Justice Tlamama Honorary Open Chess 2024				Tournament Freedom Day Tournament 2025
		date 2024-11-01	rnd 4	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Modise, M (Mosa)				Opponent Seadimo, B (Bokamoso)
2	2	Tournament North West Schools Finals 2024				Tournament North West Schools Finals 2024
		date 2024-08-24	rnd 2	type Standard	result 1	date 2024-08-24	rnd 3	type Standard	result 1
		Opponent Tlholoe, K (Kelebogile)				Opponent Mokoena, T (Thato)
3	2	Tournament NMM School League 2024				Tournament NMM School League 2024
		date 2024-08-10	rnd 2	type Standard	result 1	date 2024-08-10	rnd 3	type Standard	result 1
		Opponent Shezi, N (Ntswaki)				Opponent Sebako, K (Kealeboga)

#	Games	Start				End
1	3	Tournament Justice Tlamama Honorary Open Chess 2024				Tournament Freedom Day Tournament 2025
		date 2024-11-01	rnd 4	type Standard	result 1	date 2025-05-17	rnd 1	type Standard	result 1
		Opponent Modise, M (Mosa)				Opponent Seadimo, B (Bokamoso)
2	2	Tournament North West Schools Finals 2024				Tournament North West Schools Finals 2024
		date 2024-08-24	rnd 2	type Standard	result 1	date 2024-08-24	rnd 3	type Standard	result 1
		Opponent Tlholoe, K (Kelebogile)				Opponent Mokoena, T (Thato)
3	2	Tournament NMM School League 2024				Tournament NMM School League 2024
		date 2024-08-10	rnd 2	type Standard	result 1	date 2024-08-10	rnd 3	type Standard	result 1
		Opponent Shezi, N (Ntswaki)				Opponent Sebako, K (Kealeboga)

#	Games	Start				End
1	2	Tournament NWU Rapid Chess Tournament 2023				Tournament NWU Rapid Chess Tournament 2023
		date 2023-09-09	rnd 3	type Rapid	result 1	date 2023-09-09	rnd 4	type Rapid	result 1
		Opponent Baloyi, M (Makungu)				Opponent Selefo, GN (Gosiame Nelson)
2	1	Tournament NWU Rapid Chess Tournament 2023				Tournament NWU Rapid Chess Tournament 2023
		date 2023-09-09	rnd 7	type Rapid	result 1	date 2023-09-09	rnd 7	type Rapid	result 1
		Opponent Mtyali, M (Mpendulo)				Opponent Mtyali, M (Mpendulo)

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	Kokoeng ,B (Bokamoso)	3	3	425	3	3	425	0	0	0	0	0	0
1	Kokoeng ,B (Bokamoso)	3	1204.9	1629.9	3	1205.7	1629.9	0	0	0	0	0	0
2	Tselapedi ,Z (Zanele)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Tselapedi ,Z (Zanele)	2	1210.3	785.3	2	1212.2	785.3	0	0	0	0	0	0
3	Sponkane ,K (Katlego)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
3	Sponkane ,K (Katlego)	2	1229.6	1017.1	2	1229.7	1017.1	0	0	0	0	0	0
4	Tshuma ,C (Cherpet)	1	0	-425	1	0	-425	0	0	0	0	0	0
4	Tshuma ,C (Cherpet)	1	1200	775	1	1200	775	0	0	0	0	0	0
5	Tlou ,N (Nthabiseng)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Tlou ,N (Nthabiseng)	1	1196.3	771.3	1	1194.4	771.3	0	0	0	0	0	0
6	Kanakatse ,B (Bokamoso)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Kanakatse ,B (Bokamoso)	1	1345.9	920.9	1	1346.4	920.9	0	0	0	0	0	0
7	Mokgothu ,O (Omphemetse)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mokgothu ,O (Omphemetse)	1	1270.5	845.5	1	1314.5	845.5	0	0	0	0	0	0
8	Matlhokweng ,K (Kefilwe)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Matlhokweng ,K (Kefilwe)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Nkwe ,T (Tumalano)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Nkwe ,T (Tumalano)	1	1420.5	995.5	1	1411.6	995.5	0	0	0	0	0	0
10	Namugangu ,P (Placide)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Namugangu ,P (Placide)	1	1393.6	968.6	1	1395.7	968.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Duba, K (Khanyisile)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms