Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

Eyabo Ndumndum

2100131154
Buffalo City (EBC)
Personal
Main rating
Rating 1397.3
K-factor 32
Floor 930.7
Highest 1510.8 (2025-09-30)
Min/Max +/- allowed 106
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1340.7
Final +/- 0
New Rating
()
Rating 1397.3
K-factor 32
Floor 930.7
Highest 1510.8 (2025-09-30)
Min/Max +/- allowed 106.5
Standard rating
Rating 1394.2
K-factor 32
Floor 948.4
Highest 1511 (2025-09-30)
Min/Max +/- allowed 106.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1340.7
Final +/- 0
New Rating
()
Rating 1394.2
K-factor 32
Floor 948.4
Highest 1511 (2025-09-30)
Min/Max +/- allowed 106.5
Rapid rating
Rating 1337.6
K-factor 36
Floor 837.6
Highest 1337.6 (2026-01-01)
Min/Max +/- allowed 136.3
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1297.5
Final +/- 0
New Rating
()
Rating 1337.6
K-factor 36
Floor 837.6
Highest 1337.6 (2026-01-01)
Min/Max +/- allowed 136.3
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Eastern Cape Open 2026 (U16-U20 Girls) Standard 2026-04-11 2026-04-12 Buffalo City (EBC) 7 1365 6 4 1517.6 32.3 Details
2 2026 Buffalo City Chess Trials 3 (U18) Standard 2026-03-21 2026-03-21 Buffalo City (EBC) 5 1378.6 5 2.5 1297.8 -13.6 Details
3 2026 Buffalo City Chess Trials 1 (U18) Standard 2026-02-07 2026-02-07 Buffalo City (EBC) 5 1376.3 5 3 1419.2 3.2 Details
4 2025 Mzansi Individual Championships (U16 Girls) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1478.1 6 3 1339.7 -19 Details
5 2025 Mzansi Inter Provincial Team Championships (U16 Girls) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1478.1 6 2 1229.9 -28.9 Details
6 Beacon Bay Christmas Rapid Tournament 2025 Rapid 2025-11-29 2025-11-29 Buffalo City (EBC) 6 1478.1 6 5 1668.5 10.5 Details
7 EC Closed 2025 (U16 Girls) Standard 2025-09-06 2025-09-07 Nelson Mandela Bay (ENM) 6 1461.5 6 4.5 1602.2 17.3 Details
8 Buffalo City Chess Junior Closed 2025 (U16 Girls) Standard 2025-08-16 2025-08-16 Buffalo City (EBC) 5 1329 5 4 1600.7 27.2 Details
9 BC Schools Chess Festival 2025 (U15 Girls) Standard 2025-07-26 2025-07-26 Buffalo City (EBC) 5 1329 4 3 1511.1 14.3 Details
10 Eastern Cape Inter-Regional Individual Chess Championship 2025 (U16 Girls) Standard 2025-07-11 2025-07-12 Amathole (EAL) 6 1329.3 5 2.5 1348.1 2.5 Details
11 Eastern Cape Inter-Regional Team Chess Championship 2025 (U16) Standard 2025-07-10 2025-07-11 Amathole (EAL) 5 1329.3 3 1 1272.6 -2.7 Details
12 2025 Buffalo City Chess Trials 3 (U16) Standard 2025-05-10 2025-05-10 Buffalo City (EBC) 5 1305.9 4 2 1426.1 9.3 Details
13 EC Open 2025 (Open) Standard 2025-05-02 2025-05-02 Buffalo City (EBC) 7 1305.9 7 3 1336 3.8 Details
14 UFH Open 2025 (B) Standard 2025-04-19 2025-04-20 Buffalo City (EBC) 7 1307.2 7 3 1182.9 -18.4 Details
15 2025 Buffalo City Chess Trials 2 (U16) Standard 2025-04-12 2025-04-12 Buffalo City (EBC) 5 1307.2 5 3 1333.6 2 Details
16 2025 Buffalo City Chess Trials 1 (U16) Standard 2025-03-22 2025-03-22 Buffalo City (EBC) 5 1307.2 5 4 1473.9 15.6 Details
17 Vikings Classical March 2025 (B) Standard 2025-03-15 2025-03-15 Buffalo City (EBC) 5 1320.4 5 3 1250.5 -7.3 Details
18 BC Closed 2025 Standard 2025-03-01 2025-03-02 Buffalo City (EBC) 5 1320.4 0 0 0 0 Details
19 Rapid Feb 2nd Leg 2025 (Prestige) Rapid 2025-02-22 2025-02-22 Buffalo City (EBC) 7 1306.4 6 2 1234.5 -4 Details
20 Rapid Feb Leg 1 2025 (U16) Rapid 2025-02-15 2025-02-15 Buffalo City (EBC) 7 1306.4 6 5 1637.7 15.4 Details
21 Beacon Bay Feb Rapid Chess Tournament 2025 (A) Rapid 2025-02-01 2025-02-01 Buffalo City (EBC) 6 1306.4 6 3 1262.1 -3.7 Details
22 Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Candidates) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1292 5 2 1217.7 -9.6 Details
23 Gompo Chess Club Open December 2024 (B) Standard 2024-12-07 2024-12-07 Buffalo City (EBC) 5 1292 5 3 1407.4 12 Details
24 EL Junior Closed 2024 (U16) Standard 2024-11-23 2024-11-23 Buffalo City (EBC) 5 1292 5 2.5 1355.7 5.6 Details
25 East London Open 2024 (B) Standard 2024-10-05 2024-10-05 Buffalo City (EBC) 5 1352.7 4 0.5 919.1 -33.7 Details
26 7th Annual UFH Heritage Open 2024 (B) Standard 2024-09-21 2024-09-22 Amathole (EAL) 7 1352.7 0 0 0 0 Details
27 Buffalo City District Schools Chess All Ages Championships 2024 (U15 Girls) Standard 2024-08-10 2024-08-10 Buffalo City (EBC) 5 1312.3 5 3.5 1396.4 7.6 Details
28 EL Schools Chess All Ages Festival 2024 (U15 Girls) Standard 2024-08-03 2024-08-03 Buffalo City (EBC) 5 1312.3 5 4 1439 13.3 Details
29 BC Chess HS Trials 3 2024 (U16) Standard 2024-05-04 2024-05-04 Buffalo City (EBC) 5 1281.9 5 4 1444.4 15.1 Details
30 UFH Open 2024 (B) Standard 2024-04-13 2024-04-14 Amathole (EAL) 7 1312.7 7 3 1190.4 -17.3 Details
31 2nd Buffalo City Chess Trials 2024 (U16A) Standard 2024-04-06 2024-04-06 Buffalo City (EBC) 5 1312.7 5 3 1306.1 0.2 Details
32 1st BC Chess Trials 2024 (U16A) Standard 2024-03-02 2024-03-02 Buffalo City (EBC) 5 1314.2 5 3 1309.2 -0.8 Details
33 Buffalo City Vikings Chess Trials 2024 (U14A) Standard 2024-02-03 2024-02-03 Buffalo City (EBC) 5 1266.4 5 4 1530.6 26.6 Details
34 Chess Vikings Exam Rapid 2023 (B) Rapid 2023-11-04 2023-11-04 Buffalo City (EBC) 7 1230.2 7 5 1486.3 20.2 Details
35 Gompo Library Chess Club Launch 2023 (U14) Rapid 2023-10-28 2023-10-28 Buffalo City (EBC) 5 1238.9 5 2 1155.2 -4.9 Details
36 BC 5th Trials 2023 (U14A) Standard 2023-09-02 2023-09-02 Buffalo City (EBC) 5 1219.4 5 3 1323.5 10.8 Details
37 4th BC HS Trials 2023 (U16A) Standard 2023-08-26 2023-08-26 Cape Winelands (WCW) 5 1211.3 5 2 1251.1 4.5 Details
38 2023 EC Schools Provincial Winter Games (U15 Girls) Standard 2023-06-02 2023-06-03 Buffalo City (EBC) 6 1198.2 6 3 1263 7.5 Details
39 EL Schools Winter Trials 2023 (U15 Girls) Standard 2023-05-13 2023-05-13 Buffalo City (EBC) 5 1178.5 5 3 1280.4 10.6 Details
40 2023 BCM Schools Winter Games District Championships (U15 Girls) Standard 2023-05-20 2023-05-20 Buffalo City (EBC) 5 1178.5 5 2 1172.4 0 Details
41 BC Chess Trials 1 of 5 2023 (U14A) Standard 2023-04-22 2023-04-22 Buffalo City (EBC) 5 1206.3 5 1.5 1039.6 -15.6 Details
42 2nd Junior Vikings 2023 (U14A+U16A) Standard 2023-02-23 2023-02-23 Buffalo City (EBC) 5 1229.3 4 1 981.3 -19.4 Details
43 Junior Vikings 2023 (U14A+U16A) Standard 2023-02-11 2023-02-11 Buffalo City (EBC) 5 1229.3 4 2 1313.6 6.5 Details
44 Pedro Booyse Top Schools 2022 (U13 Open) Standard 2022-07-23 2022-07-23 West Coast (WCU) 5 1254.1 4 1 1079.1 -13.8 Details
45 BC Trials 3 2022 (U14B+U16B) Standard 2022-03-05 2022-03-05 Buffalo City (EBC) 5 1164.1 5 5 1619.2 45.2 Details
46 BC Trials 2 2022 (U14B+U16B) Standard 2022-02-19 2022-02-19 Buffalo City (EBC) 5 1100.7 5 3 1305.9 19.3 Details
47 BC Trials 1 2022 (U14B+U16B) Standard 2022-02-11 2022-02-11 Buffalo City (EBC) 5 1100.7 5 3 1235.7 12.4 Details
48 BC Trials 2 2020 (U12B) Standard 2020-02-29 2020-02-29 Buffalo City (EBC) 5 1200 4 1 923.4 -21.6 Details
49 BC Trials 1 2020 (U12B) Standard 2020-02-15 2020-02-15 Buffalo City (EBC) 5 1200 4 0.5 841.2 -28.1 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 16
Wins 9
Draws 1
Losses 6
White 8
Black 8
White wins 4
Black wins 5
Score 9.5
Percent 59.4
Dp 79.7
AOR 1338.5
Performance 1418.1
Game statistics (History)
Games 242
Wins 125
Draws 16
Losses 101
White 122
Black 120
White wins 59
Black wins 66
Score 133
Percent 55
Dp 42.1
AOR 1281.3
Performance 1323.4
Rankings (Main)
National
Overall 3692
Gender 575
Age group 547
Gender/Age 92
Provincial
Overall 399
Gender 59
Age group 73
Gender/Age 8
Regional
Overall 133
Gender 24
Age group 26
Gender/Age 3
Rankings (Standard)
National
Overall 3369
Gender 554
Age group 506
Gender/Age 86
Provincial
Overall 370
Gender 59
Age group 68
Gender/Age 8
Regional
Overall 133
Gender 25
Age group 26
Gender/Age 3
Rankings (Rapid)
National
Overall 1516
Gender 232
Age group 186
Gender/Age 25
Provincial
Overall 120
Gender 17
Age group 19
Gender/Age 3
Regional
Overall 41
Gender 9
Age group 6
Gender/Age 1
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 16
Score 9.5
Percent 59.4
Aor 1338.5
Dp 79.7
Prat 1418.1
Performance (12 months)
Games 45
Score 28
Percent 62.2
Aor 1356.9
Dp 103.9
Prat 1460.8
Performance (History)
Games 242
Score 133
Percent 55
Aor 1281.3
Dp 42.1
Prat 1323.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Beecum, V (Viha) 6 5 1 Junior Vikings 2023 (U14A+U16A) Eastern Cape Open 2026 (U16-U20 Girls) Details
Overall 2 Mjanyana, K (Kazimla) 5 3 2 Rapid Feb Leg 1 2025 (U16) 2026 Buffalo City Chess Trials 3 (U18) Details
Overall 3 August, S (Siyolise) 5 3 2 2023 BCM Schools Winter Games District Championships (U15 Girls) EC Closed 2025 (U16 Girls) Details
Overall 4 George, A (Alaina) 4 3 1 Chess Vikings Exam Rapid 2023 (B) Eastern Cape Inter-Regional Individual Chess Championship 2025 (U16 Girls) Details
Overall 5 Ndumndum, O (Olwethu) 4 1 3 BC Chess Trials 1 of 5 2023 (U14A) Buffalo City Vikings Chess Trials 2024 (U14A) Details
Standard 1 August, S (Siyolise) 5 3 2 2023 BCM Schools Winter Games District Championships (U15 Girls) EC Closed 2025 (U16 Girls) Details
Standard 2 Beecum, V (Viha) 5 4 1 Junior Vikings 2023 (U14A+U16A) Eastern Cape Open 2026 (U16-U20 Girls) Details
Standard 3 Ndumndum, O (Olwethu) 3 1 2 BC Chess Trials 1 of 5 2023 (U14A) Buffalo City Vikings Chess Trials 2024 (U14A) Details
Standard 4 Foslara, MS (Mikhulu Simanye) 3 0 3 1st BC Chess Trials 2024 (U16A) Eastern Cape Open 2026 (U16-U20 Girls) Details
Standard 5 Mjanyana, K (Kazimla) 3 3 0 Vikings Classical March 2025 (B) 2026 Buffalo City Chess Trials 3 (U18) Details
Rapid 1 Mjanyana, K (Kazimla) 2 0 2 Rapid Feb Leg 1 2025 (U16) Beacon Bay Christmas Rapid Tournament 2025 Details
Rapid 2 Mbana, N (Ndinani) 2 1 1 Rapid Feb Leg 1 2025 (U16) Rapid Feb 2nd Leg 2025 (Prestige) Details