Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Ndumiso Mboyisa

198082030
Ethekwini (KED)
Personal
Main rating
Rating 1670.4
K-factor 28
Floor 1180.3
Highest 1680.3 (2025-11-01)
Min/Max +/- allowed 84
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1044.4
Final +/- 0
New Rating
()
Rating 1670.4
K-factor 28
Floor 1180.3
Highest 1680.3 (2025-11-01)
Min/Max +/- allowed 83.6
Standard rating
Rating 1899.9
K-factor 24
Floor 1399.9
Highest 1899.9 (2024-02-01)
Min/Max +/- allowed 61.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 497.9
Final +/- 0
New Rating
()
Rating 1899.9
K-factor 24
Floor 1399.9
Highest 1899.9 (2024-02-01)
Min/Max +/- allowed 61.2
Rapid rating
Rating 1162.4
K-factor 40
Floor 662.4
Highest 1200 (2024-02-01)
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 1162.4
K-factor 40
Floor 662.4
Highest 1200 (2024-02-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 997.2
K-factor 40
Floor 500
Highest 1263 (2018-07-01)
Min/Max +/- allowed 151.6
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 997.2
K-factor 40
Floor 500
Highest 1263 (2018-07-01)
Min/Max +/- allowed 151.6
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 Amajuba Mayoral Cup 2025 (Adults) Rapid 2025-11-15 2025-11-15 Amajuba (KAN) 6 1680.5 6 4 1395.8 0 Details
2 Newcastle Mayoral Cup 2025 (Adult) Rapid 2025-10-18 2025-10-18 Amajuba (KAN) 7 1679.3 6 6 1635.8 0 Details
3 JNW Club - Trinityhouse Randpark Ridge Open 2020 (A) Standard 2020-02-22 2020-02-22 Johannesburg Metro (GJM) 5 1596.1 5 3 1812.8 0 Details
4 2018 KZN District Club Championship Standard 2018-09-29 2018-09-30 Ethekwini (KED) 6 1623.8 5 3 1467.4 0 Details
5 2018 Amajuba District Selections Standard 2018-09-15 2018-09-15 Amajuba (KAN) 5 1623.8 5 4 1393.8 0 Details
6 Ekurhuleni Open 2018 (A) Standard 2018-08-18 2018-08-18 Ekurhuleni (GE) 5 1498.8 5 3 1861.5 0 Details
7 2018 USSA Championship (Open) Standard 2018-07-02 2018-07-06 Gert Sibande (MGS) 9 1174.2 8 5 1710.4 0 Details
8 2018 USSA Championship (Blitz) Blitz 2018-07-04 2018-07-04 Gert Sibande (MGS) 9 1174.2 9 5 1293.1 0 Details
9 Witfield Open 2018 (B) Standard 2018-07-21 2018-07-21 Ekurhuleni (GE) 5 1174.2 5 5 1713.4 0 Details
10 The Outpost Chess Club Open 2018 (B) Standard 2018-03-16 2018-03-17 Johannesburg Metro (GJM) 6 1117.4 6 4 1359.4 0 Details
11 JCC Wits 2018 (B) Standard 2018-02-25 2018-02-25 Johannesburg Metro (GJM) 5 840.8 5 4 1586.3 0 Details
12 Elspark Open 2018 (A) Standard 2018-02-10 2018-02-10 Ekurhuleni (GE) 5 840.8 5 3 1772.2 0 Details
13 Brakpan Open 2018 (A) Standard 2018-02-24 2018-02-24 Ekurhuleni (GE) 5 840.8 5 2 1409.1 0 Details
14 2017 Salga Games Standard 2017-12-08 2017-12-10 Kwazulu Natal (KZN) 6 786 6 3 1165 0 Details
15 2017 Kzn District Club Championship Standard 2017-09-30 2017-10-01 Kwazulu Natal (KZN) 6 684 5 5 1316 0 Details
16 2017 South African Open (B) Classical 2017-07-14 2017-07-22 Kwazulu Natal (KZN) 11 500 0 0 0 0 Details
17 2017 South African Open (C) Standard 2017-07-15 2017-07-16 Kwazulu Natal (KZN) 6 500 5 5 1284 0 Details
18 Ekurhuleni Open Springs (Hts) Standard 2017-03-24 2017-03-25 Ekurhuleni (GE) 6 500 0 0 0 0 Details
19 2016 Kzn Schools Provincial Trials (Girls Under 18) Standard 2016-06-04 2016-06-05 Kwazulu Natal (KZN) 5 0 0 0 0 0 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 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 (History)
Games 75
Wins 50
Draws 2
Losses 23
White 37
Black 38
White wins 26
Black wins 24
Score 51
Percent 68
Dp 153
AOR 1403.7
Performance 1556.7
Rankings (Main)
National
Overall 604
Gender 568
Age group 335
Gender/Age 321
Provincial
Overall 38
Gender 38
Age group 17
Gender/Age 17
Regional
Overall 34
Gender 34
Age group 16
Gender/Age 16
Rankings (Standard)
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
Rankings (Rapid)
National
Overall 5580
Gender 4192
Age group 660
Gender/Age 593
Provincial
Overall 740
Gender 526
Age group 105
Gender/Age 85
Regional
Overall 374
Gender 281
Age group 65
Gender/Age 57
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 12
Score 10
Percent 83.3
Aor 1232.5
Dp 283.3
Prat 1515.8
Performance (History)
Games 75
Score 51
Percent 68
Aor 1403.7
Dp 153
Prat 1556.7
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Van Jaarsveld, A (Anje) 2 1 1 The Outpost Chess Club Open 2018 (B) JNW Club - Trinityhouse Randpark Ridge Open 2020 (A) Details
Overall 2 Thwala, W (Wandile) 2 1 1 Newcastle Mayoral Cup 2025 (Adult) Amajuba Mayoral Cup 2025 (Adults) Details
Overall 3 Aldum, JP (Johannes Petrus) 2 2 0 Elspark Open 2018 (A) Witfield Open 2018 (B) Details
Overall 4 Ngwenya, P (Phumlani) 2 0 2 Newcastle Mayoral Cup 2025 (Adult) Amajuba Mayoral Cup 2025 (Adults) Details
Overall 5 Khumalo, S (Siphosethu) 2 2 0 Newcastle Mayoral Cup 2025 (Adult) Amajuba Mayoral Cup 2025 (Adults) Details
Standard 1 Mbedza, R (Richard) 2 1 1 Elspark Open 2018 (A) Ekurhuleni Open 2018 (A) Details
Standard 2 Aldum, JP (Johannes Petrus) 2 2 0 Elspark Open 2018 (A) Witfield Open 2018 (B) Details
Standard 3 Van Jaarsveld, A (Anje) 2 1 1 The Outpost Chess Club Open 2018 (B) JNW Club - Trinityhouse Randpark Ridge Open 2020 (A) Details
Rapid 1 Thwala, W (Wandile) 2 1 1 Newcastle Mayoral Cup 2025 (Adult) Amajuba Mayoral Cup 2025 (Adults) Details
Rapid 2 Ngwenya, P (Phumlani) 2 0 2 Newcastle Mayoral Cup 2025 (Adult) Amajuba Mayoral Cup 2025 (Adults) Details
Rapid 3 Khumalo, S (Siphosethu) 2 2 0 Newcastle Mayoral Cup 2025 (Adult) Amajuba Mayoral Cup 2025 (Adults) Details