PLAYER PAGE
Personal
Sonti, K (Kamvalethu)
Chess SA id
1100139766FIDE id
14361566Date of birth
2010-01-21 (U18)Gender
MaleRegion
Nelson Mandela Bay (ENM)Citizen
RSATitles
Chess SA registered
NoLast active game
2025-12-20Personal details last changed
1900-01-01Junior GPX Games
Junior GPX Points
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| Rating | 1431.8 | 1433 | 1196.5 | 1200 |
| Raw rating | 1431.8 | 1433 | 1184.9 | 1200 |
| Weighted rating | 1320.6 | 1318.7 | 1196.5 | 1200 |
| Weighted performance | 1398.4 | 1408.9 | 0 | 0 |
| Floor | 931.8 | 933 | 700 | 700 |
| K-factor | 32 | 32 | 36 | 36 |
| Min/Max rating change allowed | 119.2 | 119 | 169.4 | 165.8 |
| Highest rating | 1431.82026-01-01 | 14332026-01-01 | 12002018-10-01 | 12002018-10-01 |
| Highest raw rating | 1431.82026-01-01 | 14332026-01-01 | 12002024-02-01 | 12002024-02-01 |
| Highest weighted rating | 1390.12018-10-01 | 1384.22018-10-01 | 12002018-10-01 | 12002018-10-01 |
| Highest weighted performance | 1402.32025-08-01 | 1408.92026-01-01 | 12002024-02-01 | 12002024-02-01 |
| Prediction | ||||
|---|---|---|---|---|
| Item | Main | Standard | Rapid | Blitz |
| Rating change | 0 | 0 | -1.1 | 0 |
| New rating | 1431.8 | 1433 | 1195.5 | 1200 |
| Analysis | ||||
| Rating | 1431.8 | 1433 | 1196.5 | 1200 |
| Raw rating | 1431.8 | 1433 | 1184.9 | 1200 |
| Weighted rating | 1320.6 | 1318.7 | 1196.5 | |
| Weighted performance | 1398.4 | 1408.9 | 0 | |
| K-factor | 32 | 32 | 36 | 36 |
| Floor | 931.8 | 933 | 700 | 700 |
| Max/Min rating change allowed | 119.2 | 119 | 169.4 | 165.8 |
| Games | 0 | 0 | 0 | 0 |
| Score | 0 | 0 | 0 | 0 |
| Expected score | 0 | 0 | 0 | 0 |
| Score-Expected | 0 | 0 | 0 | 0 |
| Temp raw +/- | 0 | 0 | 0 | 0 |
| Final raw +/- | 0 | 0 | 0 | 0 |
| New raw rating | 1431.8 | 1433 | 1184.9 | 1200 |
| New weighted rating | 1334.7 | 1333.1 | 1195.5 | 1200 |
| New weighted performance | 1389.2 | 1399.6 | 0 | 0 |
| Temp new rating | 1431.8 | 1433 | 1195.5 | 1200 |
| Temp new rating +/- | 0 | 0 | -1.1 | 0 |
| Final new rating +/- | 0 | 0 | -1.1 | 0 |
| New rating | 1431.8 | 1433 | 1195.5 | 1200 |
| New K-factor | 32 | 32 | 36 | 36 |
| New floor | 931.8 | 933 | 700 | 700 |
| Item | Main | Standard | Rapid | Blitz |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | |
| 70 | 64 | 6 | 0 | |
| 37 | 37 | 0 | 0 | |
| 29 | 29 | 0 | 0 | |
| 21 | 21 | 0 | 0 | |
| 0 | 0 | 0 | 0 | |
| History | 157 | 151 | 6 | 0 |
| Games since | |||||||||||||||||
| Main107 | Standard101 | Rapid6 | Blitz0 | ||||||||||||||
| Gender | Male | ||||||||||||||||
| Age group | U16 | ||||||||||||||||
| Region | Nelson Mandela Bay (ENM) | ||||||||||||||||
| Province | Eastern Cape (EC) | ||||||||||||||||
| Main | RSA | Province | Region | ||||||||||||||
| Overall | 2011 | 250 | 87 | ||||||||||||||
| Male | 1653 | 210 | 73 | ||||||||||||||
| U16 | 291 | 42 | 25 | ||||||||||||||
| U16 Male | 226 | 33 | 21 | ||||||||||||||
| Standard | RSA | Province | Region | ||||||||||||||
| Overall | 1896 | 243 | 83 | ||||||||||||||
| Male | 1553 | 205 | 70 | ||||||||||||||
| U16 | 274 | 39 | 22 | ||||||||||||||
| U16 Male | 213 | 32 | 20 | ||||||||||||||
| Rapid | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Blitz | RSA | Province | Region | ||||||||||||||
| Overall | -1 | -1 | -1 | ||||||||||||||
| Male | -1 | -1 | -1 | ||||||||||||||
| U16 | -1 | -1 | -1 | ||||||||||||||
| U16 Male | -1 | -1 | -1 | ||||||||||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 0 | 0 | 0 | 0 | 0 | 0 |
| Standard | 0 | 0 | 0 | 0 | 0 | 0 |
| Rapid | 0 | 0 | 0 | 0 | 0 | 0 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 70 | 34.5 | 49.29 | -6.1 | 1392.6 | 1386.5 |
| Standard | 64 | 32 | 50 | 0 | 1387.5 | 1387.5 |
| Rapid | 6 | 2.5 | 41.67 | -70.8 | 1446.9 | 1376.1 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| History | ||||||
| Games | Score | % | Dp | AvgOpp | Performance | |
| Main | 157 | 67.5 | 42.99 | -59.6 | 1296 | 1236.5 |
| Standard | 151 | 65 | 43.05 | -59.1 | 1290 | 1230.9 |
| Rapid | 6 | 2.5 | 41.67 | -70.8 | 1446.9 | 1376.1 |
| Blitz | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Main | Standard | Rapid | Blitz |
| 2026-01-01 | 1431.8 | 1433 | 1184.9 | 1200 |
| 2025-11-30 | 1417.4 | 1418.9 | 1184.9 | 1200 |
| 2025-11-01 | 1417.4 | 1418.9 | 1184.9 | 1200 |
| 2025-09-30 | 1421.2 | 1418.9 | 1200 | 1200 |
| 2025-09-01 | 1402.3 | 1402 | 1200 | 1200 |
| 2025-08-01 | 1402.3 | 1402 | 1200 | 1200 |
| 2025-07-01 | 1370.6 | 1367.9 | 1200 | 1200 |
| 2025-06-01 | 1351.7 | 1343.7 | 1200 | 1200 |
| 2025-05-01 | 1344.6 | 1330.4 | 1200 | 1200 |
| 2025-04-01 | 1385.5 | 1377.5 | 1200 | 1200 |
| 2025-03-01 | 1390.1 | 1384.2 | 1200 | 1200 |
| 2025-02-01 | 1200.1 | 1203.4 | 1200 | 1200 |
| 2025-01-01 | 1182 | 1184.9 | 1200 | 1200 |
| 2024-12-01 | 1136.8 | 1139.7 | 1200 | 1200 |
| 2024-11-01 | 1136.8 | 1139.7 | 1200 | 1200 |
| 2024-10-01 | 1136.8 | 1139.7 | 1200 | 1200 |
| 2024-09-01 | 1137.8 | 1141.7 | 1200 | 1200 |
| 2024-11-01 | 1097.3 | 1089.3 | 1200 | 1200 |
| 2024-07-01 | 1097.3 | 1089.3 | 1200 | 1200 |
| 2024-06-01 | 1097.3 | 1089.3 | 1200 | 1200 |
| 2024-05-01 | 1111.9 | 1105.7 | 1200 | 1200 |
| 2024-04-01 | 1143.1 | 1142.1 | 1200 | 1200 |
| 2024-03-01 | 1146.8 | 1144.1 | 1200 | 1200 |
| 2024-02-01 | 1174 | 1177.3 | 1200 | 1200 |
Comming soon.
Tournaments
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|
Last 500 tournaments since 01 January 2018
| # | Tournament | Start | End | Type | Host | Rounds | Games | Score | Cfr | Analysis |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025 Mzansi Individual Championships (U16 Open) | 2025-12-17 | 2025-12-20 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 2.5 | Yes | Analysis |
| 2 | 2025 Mzansi Inter Provincial Team Championships (U16 Open) | 2025-12-15 | 2025-12-17 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 2.5 | Yes | Analysis |
| 3 | UCC Rapid Open Oct 2025 (A) | 2025-10-25 | 2025-10-25 | Rapid | Nelson Mandela Bay (ENM) | 6 | 6 | 2.5 | Yes | Analysis |
| 4 | EC Closed 2025 (U16 Open) | 2025-09-06 | 2025-09-07 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 3 | Yes | Analysis |
| 5 | FIDE in the Bay 2025 (B) | 2025-08-30 | 2025-08-30 | Standard | Nelson Mandela Bay (ENM) | 5 | 0 | 0 | No | Analysis |
| 6 | Eastern Cape Inter-Regional Individual Chess Championship 2025 (U16 Open) | 2025-07-11 | 2025-07-12 | Standard | Amathole (EAL) | 6 | 6 | 2.5 | Yes | Analysis |
| 7 | Eastern Cape Inter-Regional Team Chess Championship 2025 (U16) | 2025-07-10 | 2025-07-11 | Standard | Amathole (EAL) | 5 | 3 | 2 | Yes | Analysis |
| 8 | NMBCU Closed 2025 (U16) | 2025-06-13 | 2025-06-14 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 3 | Yes | Analysis |
| 9 | NMBCU Open 2025 (B) | 2025-05-23 | 2025-05-24 | Standard | Nelson Mandela Bay (ENM) | 6 | 5 | 2 | Yes | Analysis |
| 10 | NMBCU Trial 4 2025 (U16) | 2025-05-09 | 2025-05-10 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 2.5 | Yes | Analysis |
| 11 | NMB 3rd Trials 2025 (U16) | 2025-04-11 | 2025-04-12 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 2.5 | Yes | Analysis |
| 12 | NMB 2nd Trials 2025 (U16) | 2025-03-07 | 2025-03-08 | Standard | Nelson Mandela Bay (ENM) | 6 | 5 | 2.5 | Yes | Analysis |
| 13 | UCC Strategic Moves 2025 (A) | 2025-02-28 | 2025-03-01 | Standard | Nelson Mandela Bay (ENM) | 5 | 5 | 2.5 | Yes | Analysis |
| 14 | Pearson High Chess Festival 2025 (B) | 2025-02-21 | 2025-02-22 | Standard | Nelson Mandela Bay (ENM) | 5 | 5 | 3.5 | Yes | Analysis |
| 15 | NMBCH Trial 1 2025 (U16) | 2025-02-14 | 2025-02-15 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 3.5 | Yes | Analysis |
| 16 | NMBCU vs BCC Derby Chess Invitational 2025 (Open A) | 2025-01-10 | 2025-01-11 | Standard | Nelson Mandela Bay (ENM) | 5 | 5 | 2.5 | Yes | Analysis |
| 17 | Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Premier) | 2024-12-16 | 2024-12-19 | Standard | Capricorn (LCP) | 7 | 7 | 3.5 | Yes | Analysis |
| 18 | NMBCU Closed 2024 (U16) | 2024-09-20 | 2024-09-21 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 2 | Yes | Analysis |
| 19 | NMBCU Trial 5 2024 (U16) | 2024-08-16 | 2024-08-17 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 2.5 | Yes | Analysis |
| 20 | NMBCU Trial 3 2024 (U16) | 2024-05-10 | 2024-05-11 | Standard | Nelson Mandela Bay (ENM) | 6 | 2 | 0 | Yes | Analysis |
| 21 | NMBCU Trials 2 2024 (U16) | 2024-04-12 | 2024-04-13 | Standard | Nelson Mandela Bay (ENM) | 6 | 5 | 1 | Yes | Analysis |
| 22 | Madibaz Chess Tournament 2024 (B) | 2024-03-01 | 2024-03-02 | Standard | Nelson Mandela Bay (ENM) | 5 | 5 | 2 | Yes | Analysis |
| 23 | NMBCU Trials 1 2024 (U16) | 2024-02-16 | 2024-02-16 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 2 | Yes | Analysis |
| 24 | NMBCU Closed 2023 (U14) | 2023-08-11 | 2023-08-12 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 3 | Yes | Analysis |
| 25 | NMBCU Trial 4 2023 (U14) | 2023-07-28 | 2023-07-29 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 3 | Yes | Analysis |
| 26 | EP Trials 3 2023 (U14) | 2023-05-05 | 2023-05-06 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 3 | Yes | Analysis |
| 27 | NMB 2nd Trials 2023 (U14) | 2023-03-24 | 2023-03-25 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 3 | Yes | Analysis |
| 28 | 2023 Pearson Open Chess Tournament (C) | 2023-02-24 | 2023-02-25 | Standard | Nelson Mandela Bay (ENM) | 5 | 5 | 2 | Yes | Analysis |
| 29 | 2022 NMBCU Closed 2022 (U14) | 2022-08-19 | 2022-08-20 | Standard | Nelson Mandela Bay (ENM) | 5 | 5 | 1.5 | Yes | Analysis |
| 30 | 2022 NMBCU Trial 4 (U14) | 2022-08-12 | 2022-08-13 | Standard | Nelson Mandela Bay (ENM) | 6 | 6 | 2 | Yes | Analysis |
| 31 | 2022 NMB Junior Trials 2 (U12) | 2022-05-13 | 2022-05-14 | Standard | Nelson Mandela Bay (ENM) | 6 | 5 | 1 | Yes | Analysis |
| 32 | 2022 NMB Junior Trials 1 (U12) | 2022-04-22 | 2022-04-23 | Standard | Nelson Mandela Bay (ENM) | 6 | 5 | 1.5 | Yes | Analysis |
Top 3 Streaks
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 11 | TournamentNMBCH Trial 1 2025 | TournamentUCC Strategic Moves 2025 | ||||||
| date2025-02-15 | rnd3 | typeStandard | result0.5 | date2025-03-01 | rnd2 | typeStandard | result1 | ||
| OpponentRamasammy-Cook, J (Joshua) | OpponentRamasammy-Cook, N (Namasivayan) | ||||||||
| 2 | 9 | TournamentEC Closed 2025 | TournamentUCC Rapid Open Oct 2025 | ||||||
| date2025-09-06 | rnd2 | typeStandard | result0.5 | date2025-10-25 | rnd4 | typeRapid | result0.5 | ||
| OpponentOosthuizen, S (Stefan) | OpponentMndai, O (Okuhle) | ||||||||
| 3 | 7 | TournamentEastern Cape Inter-Regional Team Chess Championship 2025 | TournamentEastern Cape Inter-Regional Individual Chess Championship 2025 | ||||||
| date2025-07-10 | rnd2 | typeStandard | result0.5 | date2025-07-12 | rnd4 | typeStandard | result0.5 | ||
| OpponentMagwa, S (Sanele) | OpponentToko, K (Kungawo) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 11 | TournamentNMBCH Trial 1 2025 | TournamentUCC Strategic Moves 2025 | ||||||
| date2025-02-15 | rnd3 | typeStandard | result0.5 | date2025-03-01 | rnd2 | typeStandard | result1 | ||
| OpponentRamasammy-Cook, J (Joshua) | OpponentRamasammy-Cook, N (Namasivayan) | ||||||||
| 2 | 7 | TournamentEastern Cape Inter-Regional Team Chess Championship 2025 | TournamentEastern Cape Inter-Regional Individual Chess Championship 2025 | ||||||
| date2025-07-10 | rnd2 | typeStandard | result0.5 | date2025-07-12 | rnd4 | typeStandard | result0.5 | ||
| OpponentMagwa, S (Sanele) | OpponentToko, K (Kungawo) | ||||||||
| 3 | 6 | TournamentNMB 2nd Trials 2025 | TournamentNMB 3rd Trials 2025 | ||||||
| date2025-03-08 | rnd3 | typeStandard | result1 | date2025-04-12 | rnd2 | typeStandard | result0.5 | ||
| OpponentHeneke, R (Ruan) | OpponentMagwa, S (Sanele) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentNMB 2nd Trials 2023 | TournamentNMB 2nd Trials 2023 | ||||||
| date2023-03-25 | rnd3 | typeStandard | result1 | date2023-03-25 | rnd5 | typeStandard | result1 | ||
| OpponentFortune, J (Jamie) | OpponentAckerdien, S (Saud) | ||||||||
| 2 | 2 | TournamentPearson High Chess Festival 2025 | TournamentPearson High Chess Festival 2025 | ||||||
| date2025-02-21 | rnd2 | typeStandard | result1 | date2025-02-22 | rnd3 | typeStandard | result1 | ||
| OpponentNonjakazi, O (Onako) | OpponentNorris, N (Nathan) | ||||||||
| 3 | 2 | TournamentNMBCH Trial 1 2025 | TournamentNMBCH Trial 1 2025 | ||||||
| date2025-02-15 | rnd4 | typeStandard | result1 | date2025-02-15 | rnd5 | typeStandard | result1 | ||
| OpponentGie, M (Mckenzie) | OpponentBotlhole, E (Erato) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | TournamentNMB 2nd Trials 2023 | TournamentNMB 2nd Trials 2023 | ||||||
| date2023-03-25 | rnd3 | typeStandard | result1 | date2023-03-25 | rnd5 | typeStandard | result1 | ||
| OpponentFortune, J (Jamie) | OpponentAckerdien, S (Saud) | ||||||||
| 2 | 2 | TournamentPearson High Chess Festival 2025 | TournamentPearson High Chess Festival 2025 | ||||||
| date2025-02-21 | rnd2 | typeStandard | result1 | date2025-02-22 | rnd3 | typeStandard | result1 | ||
| OpponentNonjakazi, O (Onako) | OpponentNorris, N (Nathan) | ||||||||
| 3 | 2 | TournamentNMBCH Trial 1 2025 | TournamentNMBCH Trial 1 2025 | ||||||
| date2025-02-15 | rnd4 | typeStandard | result1 | date2025-02-15 | rnd5 | typeStandard | result1 | ||
| OpponentGie, M (Mckenzie) | OpponentBotlhole, E (Erato) | ||||||||
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
| # | Games | Start | End | ||||||
|---|---|---|---|---|---|---|---|---|---|
Top 10 opponents most often played
| # | Opponent | Main | Standard | Rapid | Blitz | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | Gms | Score | Dp | ||
| Aor | Prat | Aor | Prat | Aor | Prat | Aor | Prat | ||||||
| 1 | Brown ,N (Nathan) | 6 | 2.5 | -70.8 | 6 | 2.5 | -70.8 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1399.9 | 1329.1 | 1401.6 | 1329.1 | 0 | 0 | 0 | 0 | ||||||
| 2 | Murray ,J (Jaydon) | 6 | 1.5 | -212.5 | 6 | 1.5 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1311.9 | 1099.4 | 1314.1 | 1099.4 | 0 | 0 | 0 | 0 | ||||||
| 3 | Sihewula ,A (Achuma) | 4 | 1 | -212.5 | 4 | 1 | -212.5 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1256.8 | 1044.3 | 1271.2 | 1044.3 | 0 | 0 | 0 | 0 | ||||||
| 4 | Surmon ,E (Ethan) | 4 | 2 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1268.1 | 1268.1 | 1267.7 | 1268.1 | 0 | 0 | 0 | 0 | ||||||
| 5 | Coetzee ,S (Schalk) | 4 | 1.5 | -106.2 | 4 | 1.5 | -106.2 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1349.9 | 1243.6 | 1346.5 | 1243.6 | 0 | 0 | 0 | 0 | ||||||
| 6 | Gie ,M (Mckenzie) | 4 | 2 | 0 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1217.1 | 1217.1 | 1216.6 | 1217.1 | 0 | 0 | 0 | 0 | ||||||
| 7 | Ackerdien ,S (Saud) | 4 | 1.5 | -106.2 | 4 | 1.5 | -106.2 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1353.6 | 1247.3 | 1352.6 | 1247.3 | 0 | 0 | 0 | 0 | ||||||
| 8 | Dugmore ,D (Deacon) | 4 | 0.5 | -318.8 | 3 | 0 | -425 | 1 | 0.5 | 0 | 0 | 0 | 0 |
| 1462.6 | 1143.8 | 1418.5 | 1037.6 | 1192.8 | 1462.6 | 0 | 0 | ||||||
| 9 | Coetzee ,S (Samual) | 3 | 1 | -141.7 | 3 | 1 | -141.7 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1566.8 | 1425.2 | 1555.3 | 1425.2 | 0 | 0 | 0 | 0 | ||||||
| 10 | Driscoll ,J (Jessica Darby) | 3 | 0 | -425 | 3 | 0 | -425 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1149.8 | 724.8 | 1150.3 | 724.8 | 0 | 0 | 0 | 0 | ||||||
Norms
| # | Norm | Tournament | Start | End | Rounds | Games | Score | Details |
|---|---|---|---|---|---|---|---|---|