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Kamvalethu Sonti

1100139766
Nelson Mandela Bay (ENM)
Personal
Main rating
Rating 1391.6
K-factor 32
Floor 931.8
Highest 1431.8 (2026-01-01)
Min/Max +/- allowed 119
Rating Change
()
Games 5
Score 2
We 2.72
SWe -0.59
Temp +/- -19
Penalties 0
Weight perform 1305.3
Final +/- -19
New Rating
()
Rating 1372.6
K-factor 32
Floor 931.8
Highest 1431.8 (2026-01-01)
Min/Max +/- allowed 119.2
Standard rating
Rating 1382.2
K-factor 32
Floor 933
Highest 1433 (2026-01-01)
Min/Max +/- allowed 119
Rating Change
()
Games 5
Score 2
We 2.69
SWe -0.69
Temp +/- -22
Penalties 0
Weight perform 1305.3
Final +/- -22
New Rating
()
Rating 1360.2
K-factor 32
Floor 933
Highest 1433 (2026-01-01)
Min/Max +/- allowed 119
Rapid rating
Rating 1194.5
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 1194.5
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
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 NMBCU Trials 3 2026 (U18) Standard 2026-04-18 2026-04-18 Nelson Mandela Bay (ENM) 5 1391.6 5 2 1276.7 -19 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 NMBCU Trials 2 (U18) Standard 2026-03-06 2026-03-07 Nelson Mandela Bay (ENM) 6 1401.6 6 2.5 1348.7 -10 Details
2 Pearson Chess Festival 2026 (B) Standard 2026-02-27 2026-02-28 Nelson Mandela Bay (ENM) 5 1423.1 4 2 1292.3 -10 Details
3 NMBCU Trial 1 2026 (U18) Standard 2026-02-20 2026-02-21 Nelson Mandela Bay (ENM) 5 1423.1 5 3 1378.8 -3.7 Details
4 Fide in the Bay 2026 (B) Standard 2026-01-24 2026-01-24 Nelson Mandela Bay (ENM) 5 1431.8 5 3 1381.8 -5.5 Details
5 2025 Mzansi Individual Championships (U16 Open) Classical 2025-12-17 2025-12-20 Nelson Mandela Bay (ENM) 6 1417.3 6 2.5 1504.8 12.2 Details
6 2025 Mzansi Inter Provincial Team Championships (U16 Open) Standard 2025-12-15 2025-12-17 Nelson Mandela Bay (ENM) 6 1417.3 6 2.5 1391.8 -3 Details
7 UCC Rapid Open Oct 2025 (A) Rapid 2025-10-25 2025-10-25 Nelson Mandela Bay (ENM) 6 1421.3 6 2.5 1376 -2.5 Details
8 EC Closed 2025 (U16 Open) Standard 2025-09-06 2025-09-07 Nelson Mandela Bay (ENM) 6 1402.3 6 3 1493 11.8 Details
9 FIDE in the Bay 2025 (B) Standard 2025-08-30 2025-08-30 Nelson Mandela Bay (ENM) 5 1402.3 0 0 0 0 Details
10 Eastern Cape Inter-Regional Individual Chess Championship 2025 (U16 Open) Standard 2025-07-11 2025-07-12 Amathole (EAL) 6 1370.6 6 2.5 1325.7 -5.3 Details
11 Eastern Cape Inter-Regional Team Chess Championship 2025 (U16) Standard 2025-07-10 2025-07-11 Amathole (EAL) 5 1370.6 3 2 1542.2 9.3 Details
12 NMBCU Closed 2025 (U16) Standard 2025-06-13 2025-06-14 Nelson Mandela Bay (ENM) 6 1351.7 6 3 1442 10.5 Details
13 NMBCU Open 2025 (B) Standard 2025-05-23 2025-05-24 Nelson Mandela Bay (ENM) 6 1344.6 5 2 1433.1 8 Details
14 NMBCU Trial 4 2025 (U16) Standard 2025-05-09 2025-05-10 Nelson Mandela Bay (ENM) 6 1344.6 6 2.5 1310.7 -4 Details
15 NMB 3rd Trials 2025 (U16) Standard 2025-04-11 2025-04-12 Nelson Mandela Bay (ENM) 6 1385.5 6 2.5 1190 -22.7 Details
16 NMB 2nd Trials 2025 (U16) Standard 2025-03-07 2025-03-08 Nelson Mandela Bay (ENM) 6 1390.1 5 2.5 1355.7 -4 Details
17 UCC Strategic Moves 2025 (A) Standard 2025-02-28 2025-03-01 Nelson Mandela Bay (ENM) 5 1390.1 5 2.5 1355.5 -2.8 Details
18 Pearson High Chess Festival 2025 (B) Standard 2025-02-21 2025-02-22 Nelson Mandela Bay (ENM) 5 1200.1 5 3.5 1551.9 34.9 Details
19 NMBCH Trial 1 2025 (U16) Standard 2025-02-14 2025-02-15 Nelson Mandela Bay (ENM) 6 1200.1 6 3.5 1445.1 28.6 Details
20 NMBCU vs BCC Derby Chess Invitational 2025 (Open A) Standard 2025-01-10 2025-01-11 Nelson Mandela Bay (ENM) 5 1182 5 2.5 1290.6 10.1 Details
21 Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Premier) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1136.8 7 3.5 1271.1 22.8 Details
22 NMBCU Closed 2024 (U16) Standard 2024-09-20 2024-09-21 Nelson Mandela Bay (ENM) 6 1137.8 6 2 1134.4 -0.5 Details
23 NMBCU Trial 5 2024 (U16) Standard 2024-08-16 2024-08-17 Nelson Mandela Bay (ENM) 6 1097.3 6 2.5 1273 20.3 Details
24 NMBCU Trial 3 2024 (U16) Standard 2024-05-10 2024-05-11 Nelson Mandela Bay (ENM) 6 1111.9 2 0 926 -7.3 Details
25 NMBCU Trials 2 2024 (U16) Standard 2024-04-12 2024-04-13 Nelson Mandela Bay (ENM) 6 1143.1 5 1 991.6 -15.6 Details
26 Madibaz Chess Tournament 2024 (B) Standard 2024-03-01 2024-03-02 Nelson Mandela Bay (ENM) 5 1146.8 5 2 1137.6 -1.8 Details
27 NMBCU Trials 1 2024 (U16) Standard 2024-02-16 2024-02-16 Nelson Mandela Bay (ENM) 6 1174 6 2 1056.7 -13.8 Details
28 NMBCU Closed 2023 (U14) Standard 2023-08-11 2023-08-12 Nelson Mandela Bay (ENM) 6 1153.6 6 3 1199.6 5.3 Details
29 NMBCU Trial 4 2023 (U14) Standard 2023-07-28 2023-07-29 Nelson Mandela Bay (ENM) 6 1126 6 3 1232.5 12.3 Details
30 EP Trials 3 2023 (U14) Standard 2023-05-05 2023-05-06 Nelson Mandela Bay (ENM) 6 1107.1 6 3 1187.8 9.3 Details
31 NMB 2nd Trials 2023 (U14) Standard 2023-03-24 2023-03-25 Nelson Mandela Bay (ENM) 6 1075.2 6 3 1212 15.9 Details
32 2023 Pearson Open Chess Tournament (C) Standard 2023-02-24 2023-02-25 Nelson Mandela Bay (ENM) 5 1060.9 5 2 1144.1 7.3 Details
33 2022 NMBCU Closed 2022 (U14) Standard 2022-08-19 2022-08-20 Nelson Mandela Bay (ENM) 5 1099.1 5 1.5 1018.6 -8.6 Details
34 2022 NMBCU Trial 4 (U14) Standard 2022-08-12 2022-08-13 Nelson Mandela Bay (ENM) 6 1099.1 6 2 1010.1 -10.5 Details
35 2022 NMB Junior Trials 2 (U12) Standard 2022-05-13 2022-05-14 Nelson Mandela Bay (ENM) 6 1137.6 5 1 932.7 -19.4 Details
36 2022 NMB Junior Trials 1 (U12) Standard 2022-04-22 2022-04-23 Nelson Mandela Bay (ENM) 6 1200 5 1.5 871.8 -31.2 Details
Game statistics ( )
Games 5
Wins 1
Draws 2
Losses 2
White 3
Black 2
White wins 1
Black wins 0
Score 2
Percent 40
Dp -85
AOR 1361.7
Performance 1276.7
Game statistics ()
Games 25
Wins 7
Draws 11
Losses 7
White 13
Black 12
White wins 4
Black wins 3
Score 12.5
Percent 50
Dp 0
AOR 1337.9
Performance 1337.9
Game statistics (History)
Games 194
Wins 51
Draws 68
Losses 75
White 99
Black 95
White wins 28
Black wins 23
Score 85
Percent 43.8
Dp -52.6
AOR 1315.2
Performance 1262.6
Rankings (Main)
National
Overall 3622
Gender 3048
Age group 541
Gender/Age 452
Provincial
Overall 395
Gender 336
Age group 71
Gender/Age 65
Regional
Overall 135
Gender 116
Age group 27
Gender/Age 25
Rankings (Standard)
National
Overall 3458
Gender 2890
Age group 524
Gender/Age 438
Provincial
Overall 385
Gender 324
Age group 69
Gender/Age 63
Regional
Overall 130
Gender 111
Age group 26
Gender/Age 24
Rankings (Rapid)
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 (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 5
Score 2
Percent 40
Aor 1361.7
Dp -85
Prat 1276.7
Performance ()
Games 25
Score 12.5
Percent 50
Aor 1337.9
Dp 0
Prat 1337.9
Performance (12 months)
Games 75
Score 35
Percent 46.7
Aor 1419
Dp -28.3
Prat 1390.7
Performance (History)
Games 194
Score 85
Percent 43.8
Aor 1315.2
Dp -52.6
Prat 1262.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Brown, N (Nathan) 7 2 5 2022 NMBCU Closed 2022 (U14) 2025 Mzansi Individual Championships (U16 Open) Details
Overall 2 Murray, J (Jaydon) 6 4 2 2022 NMB Junior Trials 1 (U12) EC Closed 2025 (U16 Open) Details
Overall 3 Dugmore, D (Deacon) 5 4 1 NMBCU Trial 4 2023 (U14) NMBCU Trial 1 2026 (U18) Details
Overall 4 Gie, L (Luca) 4 3 1 NMBCU Trials 2 2024 (U16) NMBCU Trial 1 2026 (U18) Details
Overall 5 Blandy, L (Levi) 4 2 2 2022 NMBCU Trial 4 (U14) 2026 NMBCU Trials 2 (U18) Details
Standard 1 Brown, N (Nathan) 7 2 5 2022 NMBCU Closed 2022 (U14) 2025 Mzansi Individual Championships (U16 Open) Details
Standard 2 Murray, J (Jaydon) 6 4 2 2022 NMB Junior Trials 1 (U12) EC Closed 2025 (U16 Open) Details
Standard 3 Surmon, E (Ethan) 4 2 2 NMBCU vs BCC Derby Chess Invitational 2025 (Open A) NMBCU Closed 2025 (U16) Details
Standard 4 Blandy, L (Levi) 4 2 2 2022 NMBCU Trial 4 (U14) 2026 NMBCU Trials 2 (U18) Details
Standard 5 Ackerdien, S (Saud) 4 4 0 NMB 2nd Trials 2023 (U14) Eastern Cape Inter-Regional Individual Chess Championship 2025 (U16 Open) Details