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

PLAYER PAGE

Khwezi Sonti

1130150799
Nelson Mandela Bay (ENM)
Personal
Main rating
Rating 1603.5
K-factor 28
Floor 1103.5
Highest 1603.5 (2026-06-01)
Min/Max +/- allowed 93
Rating Change
()
Games 16
Score 8.5
We 11.53
SWe -0.5
Temp +/- -13.9
Penalties 0
Weight perform 1497.1
Final +/- -13.9
New Rating
()
Rating 1589.6
K-factor 28
Floor 1103.5
Highest 1603.5 (2026-06-01)
Min/Max +/- allowed 93.3
Standard rating
Rating 1603.5
K-factor 28
Floor 1103.5
Highest 1603.5 (2026-06-01)
Min/Max +/- allowed 93.3
Rating Change
()
Games 7
Score 5
We 4.95
SWe 0.05
Temp +/- 1.4
Penalties 0
Weight perform 1597.8
Final +/- +1.4
New Rating
()
Rating 1605
K-factor 28
Floor 1105
Highest 1605 (2026-07-01)
Min/Max +/- allowed 93.1
Rapid rating
Rating 1233.8
K-factor 36
Floor 733.8
Highest 1256.6 (2024-11-01)
Min/Max +/- allowed 153
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1233.8
K-factor 36
Floor 733.8
Highest 1256.6 (2024-11-01)
Min/Max +/- allowed 153
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 9
Score 3.5
We 3.45
SWe -0.46
Temp +/- -16.5
Penalties 0
Weight perform 0
Final +/- -16.5
New Rating
()
Rating 1183.5
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 South African Open Championship 2026 (U13 Boys) Classical 2026-07-02 2026-07-05 Cape Town (WCT) 7 1603.5 7 5 1615.5 2.1 Details
2 South African Open Championship 2026 (Blitz) Blitz 2026-06-27 2026-06-27 Cape Town (WCT) 9 1603.5 9 3.5 1344.6 -15.6 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 NMBCU Trials 6 2026 (U14+U16) Standard 2026-05-22 2026-05-23 Nelson Mandela Bay (ENM) 6 1560.8 6 4.5 1634.5 14.1 Details
2 NMBCU Trials 5 2026 (U14) Standard 2026-05-15 2026-05-16 Nelson Mandela Bay (ENM) 6 1560.8 6 3.5 1610.4 11.6 Details
3 2026 NMBCU Trials 4 (U14) Standard 2026-04-24 2026-04-25 Nelson Mandela Bay (ENM) 6 1465.4 6 4.5 1697.2 43.4 Details
4 NMBCU Trials 3 2026 (U14) Standard 2026-04-18 2026-04-18 Nelson Mandela Bay (ENM) 5 1465.4 5 2.5 1514.7 6.5 Details
5 2026 NMBCU Trials 2 (U14) Standard 2026-03-06 2026-03-07 Nelson Mandela Bay (ENM) 6 1454.7 6 3 1489.8 6.5 Details
6 Pearson Chess Festival 2026 (C) Standard 2026-02-27 2026-02-28 Nelson Mandela Bay (ENM) 5 1410 5 4 1593.7 17.3 Details
7 NMBCU Trial 1 2026 (U14) Standard 2026-02-20 2026-02-21 Nelson Mandela Bay (ENM) 5 1410 5 2 1388 -3.2 Details
8 Fide in the Bay 2026 (B) Standard 2026-01-24 2026-01-24 Nelson Mandela Bay (ENM) 5 1420.1 5 3 1384.1 -2.7 Details
9 2025 Mzansi Individual Championships (U14 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1403.4 6 3 1462.1 8.2 Details
10 2025 Mzansi Inter Provincial Team Championships (U14 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1403.4 6 3 1391.6 -1.3 Details
11 Fide in the Bay 2025 (B) Standard 2025-11-29 2025-11-29 Nelson Mandela Bay (ENM) 5 1380.3 5 3.5 1520.6 14.4 Details
12 UCC Rapid Open Oct 2025 (A) Rapid 2025-10-25 2025-10-25 Nelson Mandela Bay (ENM) 6 1376.6 6 3 1511 7.3 Details
13 Fide in the Bay 2025 (B) Rapid 2025-10-04 2025-10-04 Nelson Mandela Bay (ENM) 7 1376.6 6 3 1268.6 -5 Details
14 EC Closed 2025 (U14 Boys) Standard 2025-09-06 2025-09-07 Nelson Mandela Bay (ENM) 6 1389.2 6 2 1330.8 -7.9 Details
15 FIDE in the Bay 2025 (B) Standard 2025-08-30 2025-08-30 Nelson Mandela Bay (ENM) 5 1384.5 5 2 1175.3 -19.6 Details
16 UCC Mind Over Board 2025 (B) Classical 2025-08-01 2025-08-03 Nelson Mandela Bay (ENM) 5 1384.5 5 3.5 1569.1 22.6 Details
17 Eastern Cape Inter-Regional Individual Chess Championship 2025 (U14 Open) Standard 2025-07-11 2025-07-12 Amathole (EAL) 6 1371.2 6 3.5 1398.8 3.3 Details
18 Eastern Cape Inter-Regional Team Chess Championship 2025 (U14) Standard 2025-07-10 2025-07-11 Amathole (EAL) 5 1371.2 5 3 1429.9 5.1 Details
19 NMBCU Closed 2025 (U14) Standard 2025-06-13 2025-06-14 Nelson Mandela Bay (ENM) 6 1359 6 3 1424.3 7.6 Details
20 NMBCU Open 2025 (B) Standard 2025-05-23 2025-05-24 Nelson Mandela Bay (ENM) 6 1346 6 2 1256.2 -10.9 Details
21 NMBCU Trial 4 2025 (U14) Standard 2025-05-09 2025-05-10 Nelson Mandela Bay (ENM) 6 1346 6 3 1502.6 18.1 Details
22 Karen Ashworth 2025 (B) Standard 2025-04-26 2025-04-26 Nelson Mandela Bay (ENM) 5 1346 5 2.5 1348.1 0.8 Details
23 NMB 3rd Trials 2025 (U14) Standard 2025-04-11 2025-04-12 Nelson Mandela Bay (ENM) 6 1379.1 6 3.5 1356.7 -2.5 Details
24 South African Junior Closed Chess Championships 2025 (U12 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1379.1 9 3 1289.8 -18.2 Details
25 NMB 2nd Trials 2025 (U14) Standard 2025-03-07 2025-03-08 Nelson Mandela Bay (ENM) 6 1376.3 5 1.5 1238.1 -12.8 Details
26 UCC Strategic Moves 2025 (B) Standard 2025-02-28 2025-03-01 Nelson Mandela Bay (ENM) 5 1376.3 5 4 1524.3 14.7 Details
27 Pearson High Chess Festival 2025 (C) Standard 2025-02-21 2025-02-22 Nelson Mandela Bay (ENM) 5 1445 5 3 1323.6 -12.3 Details
28 NMBCH Trial 1 2025 (U14) Standard 2025-02-14 2025-02-15 Nelson Mandela Bay (ENM) 6 1445 6 2.5 1181.8 -30.5 Details
29 NMBCU vs BCC Derby Chess Invitational 2025 (U12) Standard 2025-01-10 2025-01-11 Nelson Mandela Bay (ENM) 5 1274.7 5 4.5 1747.7 46.6 Details
30 Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Premier) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1238.3 6 3 1384.2 20.4 Details
31 NMBCU Top Schools 2024 (Senior Primary) Rapid 2024-10-12 2024-10-12 Nelson Mandela Bay (ENM) 5 1212.7 5 3 1368.5 14.2 Details
32 NMBCU Closed 2024 (U12) Standard 2024-09-20 2024-09-21 Nelson Mandela Bay (ENM) 6 1174.3 5 3 1372.9 19.3 Details
33 NMBCU Trial 5 2024 (U12) Standard 2024-08-16 2024-08-17 Nelson Mandela Bay (ENM) 6 1152.7 6 2.5 1246 10.8 Details
34 NMBCU Trials 4 2024 (U12) Standard 2024-07-12 2024-07-13 Nelson Mandela Bay (ENM) 6 1157.7 6 2 1138 -2.5 Details
35 NMBCU Trial 3 2024 (U12) Standard 2024-05-10 2024-05-11 Nelson Mandela Bay (ENM) 6 1192.2 5 1 1008.7 -17.3 Details
36 NMBCU Trials 2 2024 (U12) Standard 2024-04-12 2024-04-13 Nelson Mandela Bay (ENM) 6 1147.7 5 3 1271.1 11.3 Details
37 Madibaz Chess Tournament 2024 (B) Standard 2024-03-01 2024-03-02 Nelson Mandela Bay (ENM) 5 1143.4 5 2 1158.9 2.2 Details
38 NMBCU Trials 1 2024 (U12) Standard 2024-02-16 2024-02-16 Nelson Mandela Bay (ENM) 6 1100.6 6 3.5 1284.4 21.4 Details
39 NMBCU Closed 2023 (U12) Standard 2023-08-11 2023-08-12 Nelson Mandela Bay (ENM) 6 1048.5 6 3 1271.9 25.9 Details
40 NMBCU Trial 4 2023 (U12) Standard 2023-07-28 2023-07-29 Nelson Mandela Bay (ENM) 6 1046.2 5 1 1058 1.2 Details
41 EP Trials 3 2023 (U12) Standard 2023-05-05 2023-05-06 Nelson Mandela Bay (ENM) 6 1062.8 5 1 987.9 -8.5 Details
42 NMB 2nd Trials 2023 (U12) Standard 2023-03-24 2023-03-25 Nelson Mandela Bay (ENM) 6 1139.2 5 0 739.1 -38.3 Details
43 2023 Pearson Open Chess Tournament (D) Standard 2023-02-24 2023-02-25 Nelson Mandela Bay (ENM) 5 1200 4 0 812.4 -30.4 Details
Game statistics ( )
Games 7
Wins 5
Draws 0
Losses 2
White 4
Black 3
White wins 2
Black wins 3
Score 5
Percent 71.4
Dp 182.1
AOR 1433.4
Performance 1615.5
Game statistics ()
Games 60
Wins 32
Draws 7
Losses 21
White 30
Black 30
White wins 16
Black wins 16
Score 35.5
Percent 59.2
Dp 77.9
AOR 1445.5
Performance 1523.4
Game statistics (History)
Games 254
Wins 110
Draws 31
Losses 113
White 124
Black 130
White wins 61
Black wins 49
Score 125.5
Percent 49.4
Dp -5
AOR 1359
Performance 1354
Rankings (Main)
National
Overall 1052
Gender 966
Age group 63
Gender/Age 49
Provincial
Overall 106
Gender 102
Age group 9
Gender/Age 8
Regional
Overall 50
Gender 47
Age group 5
Gender/Age 4
Rankings (Standard)
National
Overall 966
Gender 883
Age group 68
Gender/Age 54
Provincial
Overall 102
Gender 97
Age group 12
Gender/Age 11
Regional
Overall 44
Gender 41
Age group 6
Gender/Age 5
Rankings (Rapid)
National
Overall 3531
Gender 2813
Age group 756
Gender/Age 553
Provincial
Overall 279
Gender 230
Age group 46
Gender/Age 29
Regional
Overall 85
Gender 75
Age group 9
Gender/Age 6
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 7
Score 5
Percent 71.4
Aor 1433.4
Dp 182.1
Prat 1615.5
Performance ()
Games 60
Score 35.5
Percent 59.2
Aor 1445.5
Dp 77.9
Prat 1523.4
Performance (12 months)
Games 105
Score 58.5
Percent 55.7
Aor 1423
Dp 48.6
Prat 1471.5
Performance (History)
Games 254
Score 125.5
Percent 49.4
Aor 1359
Dp -5
Prat 1354
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Adams, C (Ciara) 8 3 5 2023 Pearson Open Chess Tournament (D) NMBCU Trials 5 2026 (U14) Details
Overall 2 Nell, C (Chelsea Jane) 6 2 4 NMBCU Trial 4 2023 (U12) 2026 NMBCU Trials 4 (U14) Details
Overall 3 Du Toit, H (Hayden) 6 2 4 EP Trials 3 2023 (U12) 2026 NMBCU Trials 2 (U14) Details
Overall 4 Koutsouvelis, M (Matthew) 6 4 2 NMBCU Closed 2024 (U12) NMBCU Trials 6 2026 (U14+U16) Details
Overall 5 Van Huyssteen, N (Nathan) 6 2 4 NMBCU Trials 2 2024 (U12) 2026 NMBCU Trials 4 (U14) Details
Standard 1 Adams, C (Ciara) 8 3 5 2023 Pearson Open Chess Tournament (D) NMBCU Trials 5 2026 (U14) Details
Standard 2 Nell, C (Chelsea Jane) 6 2 4 NMBCU Trial 4 2023 (U12) 2026 NMBCU Trials 4 (U14) Details
Standard 3 Van Huyssteen, N (Nathan) 6 2 4 NMBCU Trials 2 2024 (U12) 2026 NMBCU Trials 4 (U14) Details
Standard 4 Du Toit, H (Hayden) 6 2 4 EP Trials 3 2023 (U12) 2026 NMBCU Trials 2 (U14) Details
Standard 5 Koutsouvelis, M (Matthew) 6 4 2 NMBCU Closed 2024 (U12) NMBCU Trials 6 2026 (U14+U16) Details