Chess South Africa Ratings Database

PLAYER PAGE

Personal

Ndebia, Y (Yanis)

Chess SA id

1090300238

FIDE id

Date of birth

2009-09-20 (U18)

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

12.2

Junior GPX Points

1153.1

Item	Main	Standard	Rapid	Blitz
Rating	1255.2	1228.7	1199.9	1200
Raw rating	1255.2	1228.7	1199.9	1200
Weighted rating	1193	1176.8	1199.8	1200
Weighted performance	1131.8	0	0	0
Floor	755.2	728.7	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	153.3	159.2	165.9	165.8
Highest rating	1255.2 2025-06-01	1228.7 2025-06-01	1200 2024-04-01	1200 2024-04-01
Highest raw rating	1255.2 2025-06-01	1228.7 2025-06-01	1200 2024-04-01	1200 2024-04-01
Highest weighted rating	1255.2 2024-11-01	1228.7 2024-11-01	1200 2024-04-01	1200 2024-04-01
Highest weighted performance	1255.2 2025-06-01	1200 2024-12-01	1200 2024-04-01	1200 2024-04-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1255.2	1228.7	1199.9	1200
Analysis
Rating	1255.2	1228.7	1199.9	1200
Raw rating	1255.2	1228.7	1199.9	1200
Weighted rating	1193	1176.8	1199.8
Weighted performance	1131.8	0	0
K-factor	36	36	36	36
Floor	755.2	728.7	700	700
Max/Min rating change allowed	153.3	159.2	165.9	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	1255.2	1228.7	1199.9	1200
New weighted rating	1198.9	1181.5	1199.8	1200
New weighted performance	1131.4	0	0	0
Temp new rating	1255.2	1228.7	1199.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1255.2	1228.7	1199.9	1200
New K-factor	36	36	36	36
New floor	755.2	728.7	700	700

Item	Main	Standard	Rapid
	0	0	0
	21	10	11
	13	13	0
	0	0	0
	0	0	0
	0	0	0
History	34	23	11

Games since
	Main 34	Standard 23		Rapid 11		Blitz 0
Gender	Male
Age group	U18
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U18	-1		-1		-1
U18 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	21	10.5	50	0	1297.8	1297.8
Standard	10	5.5	55	42.5	1330.7	1373.2
Rapid	11	5	45.45	-38.6	1267.8	1229.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	34	14	41.18	-75	1266.7	1191.7
Standard	23	9	39.13	-92.4	1266.1	1173.8
Rapid	11	5	45.45	-38.6	1267.8	1229.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1255.2	1228.7	1199.9	1200
2025-09-01	1255.2	1228.7	1199.9	1200
2025-08-01	1255.2	1228.7	1199.9	1200
2025-07-01	1255.2	1228.7	1199.9	1200
2025-06-01	1255.2	1228.7	1199.9	1200
2025-05-01	1229.6	1216.1	1199.8	1200
2025-04-01	1166.5	1148.9	1199.8	1200
2025-03-01	1166.5	1148.9	1198.5	1200
2025-02-01	1154.7	1148.3	1200	1200
2025-01-01	1129.9	1120.4	1200	1200
2024-12-01	1129.9	1120.4	1200	1200
2024-11-01	1129.9	1120.4	1200	1200
2024-10-01	1129.9	1120.4	1200	1200
2024-09-01	1129.9	1120.4	1200	1200
2024-08-01	1129.9	1120.4	1200	1200
2024-07-01	1150.2	1142.4	1200	1200
2024-06-01	1150.2	1142.4	1200	1200
2024-08-01	1150.2	1142.4	1200	1200
2024-04-01	1136.9	1124.4	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
2023-11-01	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 (U18)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
2	2025 Buffalo City Chess Trials 2 (U18)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
3	Rapid Feb 2nd Leg 2025 (U16-Adult)	2025-02-22	2025-02-22	Rapid	Buffalo City (EBC)	7	5	3	Yes	Analysis
4	Rapid Feb Leg 1 2025 (U18-Adult)	2025-02-15	2025-02-15	Rapid	Buffalo City (EBC)	7	6	2	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 (U18)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
2	2025 Buffalo City Chess Trials 2 (U18)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
3	Rapid Feb 2nd Leg 2025 (U16-Adult)	2025-02-22	2025-02-22	Rapid	Buffalo City (EBC)	7	5	3	Yes	Analysis
4	Rapid Feb Leg 1 2025 (U18-Adult)	2025-02-15	2025-02-15	Rapid	Buffalo City (EBC)	7	6	2	Yes	Analysis
5	BC 4th HS Trials 204 (B)	2024-07-20	2024-07-20	Standard	Buffalo City (EBC)	5	5	1.5	Yes	Analysis
6	2nd Buffalo City Chess Trials 2024 (U16A)	2024-04-06	2024-04-06	Standard	Buffalo City (EBC)	5	1	0	Yes	Analysis
7	2nd Buffalo City Chess Trials 2024 (High School B)	2024-04-06	2024-04-06	Standard	Buffalo City (EBC)	5	3	2	Yes	Analysis
8	1st BC Chess Trials 2024 (U16A)	2024-03-02	2024-03-02	Standard	Buffalo City (EBC)	5	4	0	Yes	Analysis

#	Games	Start				End
1	4	Tournament 2025 Buffalo City Chess Trials 2				Tournament 2025 Buffalo City Chess Trials 2
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Zamxaka, N (Ntsika)				Opponent Furstenburg, O (Olivier)
2	3	Tournament Rapid Feb Leg 1 2025				Tournament Rapid Feb 2nd Leg 2025
		date 2025-02-15	rnd 7	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Gakishe, H (Hlumelo)				Opponent Agcohile, G (Gwamyu)
3	2	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 3	type Standard	result 1
		Opponent Qushu, A (Amlinde)				Opponent Furstenburg, O (Olivier)

#	Games	Start				End
1	4	Tournament 2025 Buffalo City Chess Trials 2				Tournament 2025 Buffalo City Chess Trials 2
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Zamxaka, N (Ntsika)				Opponent Furstenburg, O (Olivier)
2	2	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 3	type Standard	result 1
		Opponent Qushu, A (Amlinde)				Opponent Furstenburg, O (Olivier)
3	1	Tournament BC 4th HS Trials 204				Tournament BC 4th HS Trials 204
		date 2024-07-20	rnd 4	type Standard	result 0.5	date 2024-07-20	rnd 4	type Standard	result 0.5
		Opponent Asim, A (Ali)				Opponent Asim, A (Ali)

#	Games	Start				End
1	3	Tournament Rapid Feb Leg 1 2025				Tournament Rapid Feb 2nd Leg 2025
		date 2025-02-15	rnd 7	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Gakishe, H (Hlumelo)				Opponent Agcohile, G (Gwamyu)
2	1	Tournament Rapid Feb 2nd Leg 2025				Tournament Rapid Feb 2nd Leg 2025
		date 2025-02-22	rnd 7	type Rapid	result 1	date 2025-02-22	rnd 7	type Rapid	result 1
		Opponent Zumani, L (Liyanda)				Opponent Zumani, L (Liyanda)
3	1	Tournament Rapid Feb Leg 1 2025				Tournament Rapid Feb Leg 1 2025
		date 2025-02-15	rnd 4	type Rapid	result 1	date 2025-02-15	rnd 4	type Rapid	result 1
		Opponent Bijumon, R (Reshikesh)				Opponent Bijumon, R (Reshikesh)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Rapid Feb Leg 1 2025				Tournament Rapid Feb 2nd Leg 2025
		date 2025-02-15	rnd 7	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Gakishe, H (Hlumelo)				Opponent Agcohile, G (Gwamyu)
2	2	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 3	type Standard	result 1
		Opponent Qushu, A (Amlinde)				Opponent Furstenburg, O (Olivier)
3	2	Tournament 2025 Buffalo City Chess Trials 2				Tournament 2025 Buffalo City Chess Trials 2
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Mathew, N (Noel)				Opponent Furstenburg, O (Olivier)

#	Games	Start				End
1	2	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 3	type Standard	result 1
		Opponent Qushu, A (Amlinde)				Opponent Furstenburg, O (Olivier)
2	2	Tournament 2025 Buffalo City Chess Trials 2				Tournament 2025 Buffalo City Chess Trials 2
		date 2025-04-12	rnd 4	type Standard	result 1	date 2025-04-12	rnd 5	type Standard	result 1
		Opponent Mathew, N (Noel)				Opponent Furstenburg, O (Olivier)
3	1	Tournament 2025 Buffalo City Chess Trials 2				Tournament 2025 Buffalo City Chess Trials 2
		date 2025-04-12	rnd 2	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Zamxaka, N (Ntsika)				Opponent Zamxaka, N (Ntsika)

#	Games	Start				End
1	3	Tournament Rapid Feb Leg 1 2025				Tournament Rapid Feb 2nd Leg 2025
		date 2025-02-15	rnd 7	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Gakishe, H (Hlumelo)				Opponent Agcohile, G (Gwamyu)
2	1	Tournament Rapid Feb 2nd Leg 2025				Tournament Rapid Feb 2nd Leg 2025
		date 2025-02-22	rnd 7	type Rapid	result 1	date 2025-02-22	rnd 7	type Rapid	result 1
		Opponent Zumani, L (Liyanda)				Opponent Zumani, L (Liyanda)
3	1	Tournament Rapid Feb Leg 1 2025				Tournament Rapid Feb Leg 1 2025
		date 2025-02-15	rnd 4	type Rapid	result 1	date 2025-02-15	rnd 4	type Rapid	result 1
		Opponent Bijumon, R (Reshikesh)				Opponent Bijumon, R (Reshikesh)

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	Furstenburg ,O (Olivier)	2	2	425	2	2	425	0	0	0	0	0	0
1	Furstenburg ,O (Olivier)	2	1300.6	1725.6	2	1303.7	1725.6	0	0	0	0	0	0
2	Asim ,A (Ali)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
2	Asim ,A (Ali)	2	1209.2	996.7	2	1211.2	996.7	0	0	0	0	0	0
3	Bijumon ,R (Reshikesh)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
3	Bijumon ,R (Reshikesh)	2	1281.7	1494.2	1	1324.7	1281.7	1	1187.2	1706.7	0	0	0
4	Shenxane ,S (Somelele)	2	0	-425	0	0	0	2	0	-425	0	0	0
4	Shenxane ,S (Somelele)	2	1289.4	864.4	0	0	0	2	1200	864.4	0	0	0
5	Nyumbeka ,D (Dia-Sozo)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Nyumbeka ,D (Dia-Sozo)	1	1200	775	1	1200	775	0	0	0	0	0	0
6	Ndumndum ,E (Eyabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Ndumndum ,E (Eyabo)	1	1314.2	889.2	1	1301.1	889.2	0	0	0	0	0	0
7	Magobiyane ,S (Sandile)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Magobiyane ,S (Sandile)	1	1517	1092	1	1454.4	1092	0	0	0	0	0	0
8	Maweni ,C (Cwenga)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Maweni ,C (Cwenga)	1	1281.5	856.5	1	1283.2	856.5	0	0	0	0	0	0
9	Snyman ,B (Booysen)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Snyman ,B (Booysen)	1	1200	775	1	1200	775	0	0	0	0	0	0
10	Bele ,A (Akahluma)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Bele ,A (Akahluma)	1	1207.9	782.9	1	1228.2	782.9	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

Ndebia, Y (Yanis)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms