Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Eyabo Ndumndum

2100131154
Buffalo City (EBC)
Personal
Main rating
Rating 1365
K-factor 32
Floor 930.7
Highest 1510.8 (2025-09-30)
Min/Max +/- allowed 106
Rating Change
()
Games 6
Score 4
We 2.92
SWe 1.01
Temp +/- 32.3
Penalties 0
Weight perform 1377
Final +/- +32.3
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 1356
K-factor 32
Floor 948.4
Highest 1511 (2025-09-30)
Min/Max +/- allowed 106.5
Rating Change
()
Games 6
Score 4
We 2.81
SWe 1.19
Temp +/- 38.1
Penalties 0
Weight perform 1377
Final +/- +38.1
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 1336.1
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
# 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
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 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
2 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
3 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
4 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
5 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
6 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
7 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
8 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
9 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
10 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
11 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
12 EC Open 2025 (Open) Standard 2025-05-02 2025-05-02 Buffalo City (EBC) 7 1305.9 7 3 1336 3.8 Details
13 UFH Open 2025 (B) Standard 2025-04-19 2025-04-20 Buffalo City (EBC) 7 1307.2 7 3 1182.9 -18.4 Details
14 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
15 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
16 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
17 BC Closed 2025 Standard 2025-03-01 2025-03-02 Buffalo City (EBC) 5 1320.4 0 0 0 0 Details
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 7th Annual UFH Heritage Open 2024 (B) Standard 2024-09-21 2024-09-22 Amathole (EAL) 7 1352.7 0 0 0 0 Details
26 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
27 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
28 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
29 UFH Open 2024 (B) Standard 2024-04-13 2024-04-14 Amathole (EAL) 7 1312.7 7 3 1190.4 -17.3 Details
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
44 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
45 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
46 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
47 BC Trials 2 2020 (U12B) Standard 2020-02-29 2020-02-29 Buffalo City (EBC) 5 1200 4 1 923.4 -21.6 Details
48 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 6
Wins 4
Draws 0
Losses 2
White 3
Black 3
White wins 1
Black wins 3
Score 4
Percent 66.7
Dp 141.7
AOR 1375.9
Performance 1517.6
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 4200
Gender 697
Age group 641
Gender/Age 110
Provincial
Overall 445
Gender 71
Age group 80
Gender/Age 7
Regional
Overall 143
Gender 29
Age group 28
Gender/Age 3
Rankings (Standard)
National
Overall 4008
Gender 676
Age group 627
Gender/Age 105
Provincial
Overall 433
Gender 67
Age group 83
Gender/Age 7
Regional
Overall 148
Gender 28
Age group 31
Gender/Age 3
Rankings (Rapid)
National
Overall 1420
Gender 224
Age group 185
Gender/Age 27
Provincial
Overall 132
Gender 16
Age group 25
Gender/Age 5
Regional
Overall 37
Gender 5
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 6
Score 4
Percent 66.7
Aor 1375.9
Dp 141.7
Prat 1517.6
Performance ()
Games 16
Score 9.5
Percent 59.4
Aor 1338.5
Dp 79.7
Prat 1418.1
Performance (12 months)
Games 68
Score 39.5
Percent 58.1
Aor 1363.5
Dp 68.8
Prat 1432.3
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 Mjanyana, K (Kazimla) 5 3 2 Rapid Feb Leg 1 2025 (U16) 2026 Buffalo City Chess Trials 3 (U18) Details
Overall 2 August, S (Siyolise) 5 3 2 2023 BCM Schools Winter Games District Championships (U15 Girls) EC Closed 2025 (U16 Girls) Details
Overall 3 Beecum, V (Viha) 5 4 1 Junior Vikings 2023 (U14A+U16A) EC Closed 2025 (U16 Girls) Details
Overall 4 Ndumndum, O (Olwethu) 4 1 3 BC Chess Trials 1 of 5 2023 (U14A) Buffalo City Vikings Chess Trials 2024 (U14A) Details
Overall 5 George, A (Alaina) 4 3 1 Chess Vikings Exam Rapid 2023 (B) Eastern Cape Inter-Regional Individual Chess Championship 2025 (U16 Girls) 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) 4 3 1 Junior Vikings 2023 (U14A+U16A) EC Closed 2025 (U16 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 Zumani, L (Liyanda) 3 2 1 BC Trials 2 2022 (U14B+U16B) 2025 Buffalo City Chess Trials 2 (U16) Details
Standard 5 George, A (Alaina) 3 2 1 EL Junior Closed 2024 (U16) Eastern Cape Inter-Regional Individual Chess Championship 2025 (U16 Girls) Details
Rapid 1 Mbana, N (Ndinani) 2 1 1 Rapid Feb Leg 1 2025 (U16) Rapid Feb 2nd Leg 2025 (Prestige) Details
Rapid 2 Mjanyana, K (Kazimla) 2 0 2 Rapid Feb Leg 1 2025 (U16) Beacon Bay Christmas Rapid Tournament 2025 Details