Chess South Africa Ratings Database

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Personal

Ndumndum, E (Eyabo)

Chess SA id

2100131154

FIDE id

14373645

Date of birth

2010-10-11 (U18)

Gender

Female

Region

Buffalo City (EBC)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-12-20

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1391.3	1378.7	1337.6	1200
Raw rating	1370.6	1362.6	1337.6	1200
Weighted rating	1351.8	1353.7	1266.4	1200
Weighted performance	1391.3	1378.7	1253.6	0
Floor	930.7	948.4	837.6	700
K-factor	32	32	36	36
Min/Max rating change allowed	130	131.5	136.3	165.8
Highest rating	1510.8 2025-09-30	1511 2025-09-30	1337.6 2026-01-01	1200 2018-10-01
Highest raw rating	1430.7 2025-09-30	1448.4 2025-09-30	1337.6 2026-01-01	1200 2024-02-01
Highest weighted rating	1351.8 2026-01-01	1353.7 2026-01-01	1266.4 2026-01-01	1200 2018-10-01
Highest weighted performance	1510.8 2025-09-30	1511 2025-09-30	1317.8 2023-11-01	1200 2024-02-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-9.2	-9.2	0	0
New rating	1382.1	1369.5	1337.6	1200
Analysis
Rating	1391.3	1378.7	1337.6	1200
Raw rating	1370.6	1362.6	1337.6	1200
Weighted rating	1351.8	1353.7	1266.4
Weighted performance	1391.3	1378.7	1253.6
K-factor	32	32	36	36
Floor	930.7	948.4	837.6	700
Max/Min rating change allowed	130	131.5	136.3	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	1370.6	1362.6	1337.6	1200
New weighted rating	1354.7	1356.1	1272.3	1200
New weighted performance	1382.1	1369.5	1244.7	0
Temp new rating	1382.1	1369.5	1337.6	1200
Temp new rating +/-	-9.2	-9.2	0	0
Final new rating +/-	-9.2	-9.2	0	0
New rating	1382.1	1369.5	1337.6	1200
New K-factor	32	32	36	36
New floor	930.7	948.4	837.6	700

Item	Main	Standard	Rapid
	0	0	0
	74	56	18
	56	56	0
	51	39	12
	19	19	0
	0	0	0
History	208	178	30

Games since
	Main 130	Standard 112		Rapid 18		Blitz 0
Gender	Female
Age group	U16
Region	Buffalo City (EBC)
Province	Eastern Cape (EC)
Main
	RSA		Province		Region
Overall	1431		171		60
Female	196		20		10
U16	186		29		5
U16 Female	38		6		3
Standard
	RSA		Province		Region
Overall	1369		165		64
Female	199		19		11
U16	189		29		5
U16 Female	39		6		3
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 Female	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Female	-1		-1		-1
U16	-1		-1		-1
U16 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	74	43	58.11	68.9	1318.3	1387.2
Standard	56	33	58.93	75.9	1314.2	1390.1
Rapid	18	10	55.56	47.2	1330.8	1378.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	208	113.5	54.57	38.8	1269.6	1308.4
Standard	178	96.5	54.21	35.8	1262.8	1298.6
Rapid	30	17	56.67	56.7	1309.5	1366.2
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2026-01-01	1370.6	1362.6	1337.6	1200
2025-11-30	1430.7	1448.4	1259.8	1200
2025-11-01	1430.7	1448.4	1259.8	1200
2025-09-30	1430.7	1448.4	1259.8	1200
2025-09-01	1403.6	1419.9	1259.8	1200
2025-08-01	1329	1329.2	1259.8	1200
2025-07-01	1329.3	1329.8	1259.7	1200
2025-06-01	1329.3	1329.8	1259.7	1200
2025-05-01	1305.9	1300.1	1259.7	1200
2025-04-01	1307.2	1293.5	1259.7	1200
2025-03-01	1320.4	1303.1	1259.7	1200
2025-02-01	1306.4	1303.1	1261.2	1200
2025-01-01	1306.4	1303.1	1261.2	1200
2024-12-01	1292	1281.9	1261.2	1200
2024-11-01	1292	1281.9	1261.2	1200
2024-10-01	1352.7	1356.8	1261.2	1200
2024-09-01	1352.7	1356.8	1261.2	1200
2024-11-01	1312.3	1316.5	1261.2	1200
2024-07-01	1312.3	1316.5	1261.2	1200
2024-06-01	1312.3	1316.5	1261.2	1200
2024-05-01	1281.9	1284.8	1261.2	1200
2024-04-01	1312.7	1308.5	1261.2	1200
2024-03-01	1314.2	1301.1	1261.2	1200
2024-02-01	1266.4	1236.7	1261.2	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 Mzansi Individual Championships (U16 Girls)	2025-12-17	2025-12-20	Standard	Nelson Mandela Bay (ENM)	6	6	3	Yes	Analysis
2	2025 Mzansi Inter Provincial Team Championships (U16 Girls)	2025-12-15	2025-12-17	Standard	Nelson Mandela Bay (ENM)	6	6	2	Yes	Analysis
3	Beacon Bay Christmas Rapid Tournament 2025	2025-11-29	2025-11-29	Rapid	Buffalo City (EBC)	6	6	5	Yes	Analysis
4	EC Closed 2025 (U16 Girls)	2025-09-06	2025-09-07	Standard	Nelson Mandela Bay (ENM)	6	6	4.5	Yes	Analysis
5	Buffalo City Chess Junior Closed 2025 (U16 Girls)	2025-08-16	2025-08-16	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
6	BC Schools Chess Festival 2025 (U15 Girls)	2025-07-26	2025-07-26	Standard	Buffalo City (EBC)	5	4	3	Yes	Analysis
7	Eastern Cape Inter-Regional Individual Chess Championship 2025 (U16 Girls)	2025-07-11	2025-07-12	Standard	Amathole (EAL)	6	5	2.5	Yes	Analysis
8	Eastern Cape Inter-Regional Team Chess Championship 2025 (U16)	2025-07-10	2025-07-11	Standard	Amathole (EAL)	5	3	1	Yes	Analysis
9	2025 Buffalo City Chess Trials 3 (U16)	2025-05-10	2025-05-10	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
10	EC Open 2025 (Open)	2025-05-02	2025-05-02	Standard	Buffalo City (EBC)	7	7	3	Yes	Analysis
11	UFH Open 2025 (B)	2025-04-19	2025-04-20	Standard	Buffalo City (EBC)	7	7	3	Yes	Analysis
12	2025 Buffalo City Chess Trials 2 (U16)	2025-04-12	2025-04-12	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
13	2025 Buffalo City Chess Trials 1 (U16)	2025-03-22	2025-03-22	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
14	Vikings Classical March 2025 (B)	2025-03-15	2025-03-15	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
15	BC Closed 2025	2025-03-01	2025-03-02	Standard	Buffalo City (EBC)	5	0	0	No	Analysis
16	Rapid Feb 2nd Leg 2025 (Prestige)	2025-02-22	2025-02-22	Rapid	Buffalo City (EBC)	7	6	2	Yes	Analysis
17	Rapid Feb Leg 1 2025 (U16)	2025-02-15	2025-02-15	Rapid	Buffalo City (EBC)	7	6	5	Yes	Analysis
18	Beacon Bay Feb Rapid Chess Tournament 2025 (A)	2025-02-01	2025-02-01	Rapid	Buffalo City (EBC)	6	6	3	Yes	Analysis
19	Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Candidates)	2024-12-16	2024-12-19	Standard	Capricorn (LCP)	7	5	2	Yes	Analysis
20	Gompo Chess Club Open December 2024 (B)	2024-12-07	2024-12-07	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
21	EL Junior Closed 2024 (U16)	2024-11-23	2024-11-23	Standard	Buffalo City (EBC)	5	5	2.5	Yes	Analysis
22	East London Open 2024 (B)	2024-10-05	2024-10-05	Standard	Buffalo City (EBC)	5	4	0.5	Yes	Analysis
23	7th Annual UFH Heritage Open 2024 (B)	2024-09-21	2024-09-22	Standard	Amathole (EAL)	7	0	0	No	Analysis
24	Buffalo City District Schools Chess All Ages Championships 2024 (U15 Girls)	2024-08-10	2024-08-10	Standard	Buffalo City (EBC)	5	5	3.5	Yes	Analysis
25	EL Schools Chess All Ages Festival 2024 (U15 Girls)	2024-08-03	2024-08-03	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
26	BC Chess HS Trials 3 2024 (U16)	2024-05-04	2024-05-04	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
27	UFH Open 2024 (B)	2024-04-13	2024-04-14	Standard	Amathole (EAL)	7	7	3	Yes	Analysis
28	2nd Buffalo City Chess Trials 2024 (U16A)	2024-04-06	2024-04-06	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
29	1st BC Chess Trials 2024 (U16A)	2024-03-02	2024-03-02	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
30	Buffalo City Vikings Chess Trials 2024 (U14A)	2024-02-03	2024-02-03	Standard	Buffalo City (EBC)	5	5	4	Yes	Analysis
31	Chess Vikings Exam Rapid 2023 (B)	2023-11-04	2023-11-04	Rapid	Buffalo City (EBC)	7	7	5	Yes	Analysis
32	Gompo Library Chess Club Launch 2023 (U14)	2023-10-28	2023-10-28	Rapid	Buffalo City (EBC)	5	5	2	Yes	Analysis
33	BC 5th Trials 2023 (U14A)	2023-09-02	2023-09-02	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
34	4th BC HS Trials 2023 (U16A)	2023-08-26	2023-08-26	Standard	Cape Winelands (WCW)	5	5	2	Yes	Analysis
35	2023 EC Schools Provincial Winter Games (U15 Girls)	2023-06-02	2023-06-03	Standard	Buffalo City (EBC)	6	6	3	Yes	Analysis
36	EL Schools Winter Trials 2023 (U15 Girls)	2023-05-13	2023-05-13	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
37	2023 BCM Schools Winter Games District Championships (U15 Girls)	2023-05-20	2023-05-20	Standard	Buffalo City (EBC)	5	5	2	Yes	Analysis
38	BC Chess Trials 1 of 5 2023 (U14A)	2023-04-22	2023-04-22	Standard	Buffalo City (EBC)	5	5	1.5	Yes	Analysis
39	2nd Junior Vikings 2023 (U14A+U16A)	2023-02-23	2023-02-23	Standard	Buffalo City (EBC)	5	4	1	Yes	Analysis
40	Junior Vikings 2023 (U14A+U16A)	2023-02-11	2023-02-11	Standard	Buffalo City (EBC)	5	4	2	Yes	Analysis
41	Pedro Booyse Top Schools 2022 (U13 Open)	2022-07-23	2022-07-23	Standard	West Coast (WCU)	5	4	1	Yes	Analysis
42	BC Trials 3 2022 (U14B+U16B)	2022-03-05	2022-03-05	Standard	Buffalo City (EBC)	5	5	5	Yes	Analysis
43	BC Trials 2 2022 (U14B+U16B)	2022-02-19	2022-02-19	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
44	BC Trials 1 2022 (U14B+U16B)	2022-02-11	2022-02-11	Standard	Buffalo City (EBC)	5	5	3	Yes	Analysis
45	BC Trials 2 2020 (U12B)	2020-02-29	2020-02-29	Standard	Buffalo City (EBC)	5	4	1	Yes	Analysis
46	BC Trials 1 2020 (U12B)	2020-02-15	2020-02-15	Standard	Buffalo City (EBC)	5	4	0.5	Yes	Analysis

#	Games	Start				End
1	7	Tournament BC Schools Chess Festival 2025				Tournament EC Closed 2025
		date 2025-07-26	rnd 5	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Zonela, A (Ayabulela)				Opponent Tadesse, I (Isabella)
2	6	Tournament BC Chess HS Trials 3 2024				Tournament EL Schools Chess All Ages Festival 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Bushe, L (Luthando)				Opponent Delacy, C (Chloe)
3	6	Tournament BC Trials 3 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-03-05	rnd 1	type Standard	result 1	date 2022-07-23	rnd 1	type Standard	result 1
		Opponent Mhlambiso, Q (Qiniso)				Opponent Huysamen, A (Albertus)

#	Games	Start				End
1	7	Tournament BC Schools Chess Festival 2025				Tournament EC Closed 2025
		date 2025-07-26	rnd 5	type Standard	result 1	date 2025-09-06	rnd 1	type Standard	result 1
		Opponent Zonela, A (Ayabulela)				Opponent Tadesse, I (Isabella)
2	6	Tournament BC Chess HS Trials 3 2024				Tournament EL Schools Chess All Ages Festival 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Bushe, L (Luthando)				Opponent Delacy, C (Chloe)
3	6	Tournament BC Trials 3 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-03-05	rnd 1	type Standard	result 1	date 2022-07-23	rnd 1	type Standard	result 1
		Opponent Mhlambiso, Q (Qiniso)				Opponent Huysamen, A (Albertus)

#	Games	Start				End
1	4	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 7	type Rapid	result 1
		Opponent Smith, W (Will)				Opponent Beecum, V (Viha)
2	4	Tournament Chess Vikings Exam Rapid 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 6	type Rapid	result 1
		Opponent Jagers, N (Noah)				Opponent Bwema, D (David)
3	3	Tournament Gompo Library Chess Club Launch 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-11-04	rnd 1	type Rapid	result 1
		Opponent Ndumndum, O (Olwethu)				Opponent Scheeld, L (Liam)

No games found.

#	Games	Start				End

#	Games	Start				End
1	6	Tournament BC Chess HS Trials 3 2024				Tournament EL Schools Chess All Ages Festival 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Bushe, L (Luthando)				Opponent Delacy, C (Chloe)
2	6	Tournament BC Trials 3 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-03-05	rnd 1	type Standard	result 1	date 2022-07-23	rnd 1	type Standard	result 1
		Opponent Mhlambiso, Q (Qiniso)				Opponent Huysamen, A (Albertus)
3	4	Tournament 2025 Buffalo City Chess Trials 1				Tournament 2025 Buffalo City Chess Trials 2
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Mnyaka, I (Isiphile)				Opponent Sinam, K (Kwakhanya)

#	Games	Start				End
1	6	Tournament BC Chess HS Trials 3 2024				Tournament EL Schools Chess All Ages Festival 2024
		date 2024-05-04	rnd 3	type Standard	result 1	date 2024-08-03	rnd 3	type Standard	result 1
		Opponent Bushe, L (Luthando)				Opponent Delacy, C (Chloe)
2	6	Tournament BC Trials 3 2022				Tournament Pedro Booyse Top Schools 2022
		date 2022-03-05	rnd 1	type Standard	result 1	date 2022-07-23	rnd 1	type Standard	result 1
		Opponent Mhlambiso, Q (Qiniso)				Opponent Huysamen, A (Albertus)
3	4	Tournament 2025 Buffalo City Chess Trials 1				Tournament 2025 Buffalo City Chess Trials 2
		date 2025-03-22	rnd 4	type Standard	result 1	date 2025-04-12	rnd 2	type Standard	result 1
		Opponent Mnyaka, I (Isiphile)				Opponent Sinam, K (Kwakhanya)

#	Games	Start				End
1	4	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 7	type Rapid	result 1
		Opponent Smith, W (Will)				Opponent Beecum, V (Viha)
2	4	Tournament Chess Vikings Exam Rapid 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-11-04	rnd 3	type Rapid	result 1	date 2023-11-04	rnd 6	type Rapid	result 1
		Opponent Jagers, N (Noah)				Opponent Bwema, D (David)
3	3	Tournament Gompo Library Chess Club Launch 2023				Tournament Chess Vikings Exam Rapid 2023
		date 2023-10-28	rnd 4	type Rapid	result 1	date 2023-11-04	rnd 1	type Rapid	result 1
		Opponent Ndumndum, O (Olwethu)				Opponent Scheeld, L (Liam)

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	August ,S (Siyolise)	5	2.5	0	5	2.5	0	0	0	0	0	0	0
1	August ,S (Siyolise)	5	1423.1	1423.1	5	1415.7	1423.1	0	0	0	0	0	0
2	Beecum ,V (Viha)	5	2	-85	4	1	-212.5	1	1	425	0	0	0
2	Beecum ,V (Viha)	5	1551.4	1466.4	4	1554.2	1338.9	1	1411.6	1976.4	0	0	0
3	George ,A (Alaina)	4	2	0	3	2	141.7	1	0	-425	0	0	0
3	George ,A (Alaina)	4	1313.5	1313.5	3	1276.6	1455.2	1	1337.3	888.5	0	0	0
4	Ndumndum ,O (Olwethu)	4	2	0	3	1	-141.7	1	1	425	0	0	0
4	Ndumndum ,O (Olwethu)	4	1238.3	1238.3	3	1230.1	1096.7	1	1207.2	1663.3	0	0	0
5	Zumani ,L (Liyanda)	3	1	-141.7	3	1	-141.7	0	0	0	0	0	0
5	Zumani ,L (Liyanda)	3	1239.9	1098.2	3	1232.7	1098.2	0	0	0	0	0	0
6	Manuel ,I (Inile)	3	3	425	2	2	425	1	1	425	0	0	0
6	Manuel ,I (Inile)	3	1225.5	1650.5	2	1241.1	1650.5	1	1200	1650.5	0	0	0
7	Mjanyana ,K (Kazimla)	3	3	425	2	2	425	1	1	425	0	0	0
7	Mjanyana ,K (Kazimla)	3	1300	1725	2	1333.9	1725	1	1200	1725	0	0	0
8	Jikijela ,A (Awenkosi)	3	2	141.7	2	1	0	1	1	425	0	0	0
8	Jikijela ,A (Awenkosi)	3	1124.2	1265.9	2	1066.2	1124.2	1	1184.5	1549.2	0	0	0
9	Mjiji ,M (Milani)	2	1.5	212.5	2	1.5	212.5	0	0	0	0	0	0
9	Mjiji ,M (Milani)	2	1107.1	1319.6	2	1106.8	1319.6	0	0	0	0	0	0
10	Mpondo ,A (Ambesiwe)	2	0.5	-212.5	2	0.5	-212.5	0	0	0	0	0	0
10	Mpondo ,A (Ambesiwe)	2	1200	987.5	2	1200	987.5	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

Ndumndum, E (Eyabo)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms