PLAYER PAGE
Siyamthemba Ngcobo
2120136165King Cetshwayo (KUR)Personal
Main rating
| Rating | 1387.8 |
| K-factor | 32 |
| Floor | 966.6 |
| Highest | 1492.8 (2025-11-01) |
| Min/Max +/- allowed | 109 |
| Rating Change () | |
| Games | 10 |
| Score | 4.5 |
| We | 6 |
| SWe | -1.27 |
| Temp +/- | -40.7 |
| Penalties | 0 |
| Weight perform | 1239 |
| Final +/- | -40.7 |
| New Rating () | |
| Rating | 1347.1 |
| K-factor | 32 |
| Floor | 966.6 |
| Highest | 1492.8 (2025-11-01) |
| Min/Max +/- allowed | 109.3 |
Standard rating
| Rating | 1378.1 |
| K-factor | 32 |
| Floor | 1001.7 |
| Highest | 1532 (2025-11-01) |
| Min/Max +/- allowed | 103.3 |
| Rating Change () | |
| Games | 10 |
| Score | 4.5 |
| We | 5.89 |
| SWe | -1.39 |
| Temp +/- | -44.6 |
| Penalties | 0 |
| Weight perform | 1249.4 |
| Final +/- | -44.6 |
| New Rating () | |
| Rating | 1333.5 |
| K-factor | 32 |
| Floor | 1001.7 |
| Highest | 1532 (2025-11-01) |
| Min/Max +/- allowed | 103.3 |
Rapid rating
| Rating | 1303 |
| K-factor | 36 |
| Floor | 871.7 |
| Highest | 1371.7 (2025-09-01) |
| Min/Max +/- allowed | 129.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1224.9 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1303 |
| K-factor | 36 |
| Floor | 871.7 |
| Highest | 1371.7 (2025-09-01) |
| Min/Max +/- allowed | 129.8 |
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 | 2026 KwaZulu Natal Closed II (U16 Girls) | Standard | 2026-09-26 | 2026-09-27 | Ethekwini (KED) | 5 | 1387.8 | 5 | 2 | 1209 | -29.7 | Details |
| 2 | 4th Annual UNIZULU Chess Tournament 2026 (Open) | Standard | 2026-09-12 | 2026-09-12 | King Cetshwayo (KUR) | 5 | 1387.8 | 5 | 2.5 | 1324 | -11 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 King Cetshwayo Inter-School Teams (High School) | Rapid | 2026-08-01 | 2026-08-01 | King Cetshwayo (KUR) | 5 | 1387.8 | 5 | 3.5 | 1283.7 | -5.3 | Details |
| 2 | 2026 KwaZulu Natal Closed Championship (U16 Girls) | Standard | 2026-06-27 | 2026-06-28 | Ethekwini (KED) | 5 | 1400.6 | 5 | 3.5 | 1274.5 | -7.5 | Details |
| 3 | 2026 King Cetshwayo Winter Open (Open) | Standard | 2026-05-23 | 2026-05-23 | King Cetshwayo (KUR) | 5 | 1440.4 | 3 | 1 | 1099.5 | -32.9 | Details |
| 4 | 2026 King Cetshwayo 1st FIDE Open (B) | Standard | 2026-04-18 | 2026-04-19 | King Cetshwayo (KUR) | 5 | 1440.4 | 5 | 3 | 1407.2 | -6.9 | Details |
| 5 | 2026 King Cetshwayo Championship (U16) | Standard | 2026-02-28 | 2026-02-28 | King Cetshwayo (KUR) | 5 | 1477.6 | 5 | 2.5 | 1243.9 | -37.2 | Details |
| 6 | 2026 King Cetshwayo Chess Open (U16) | Standard | 2026-02-07 | 2026-02-07 | King Cetshwayo (KUR) | 5 | 1462.1 | 5 | 4 | 1484.7 | 3.2 | Details |
| 7 | 2025 SALGA KZN DSAC Games (U14 Female) | Standard | 2025-12-05 | 2025-12-07 | Umgungunglovu (KUP) | 7 | 1477.4 | 7 | 4.5 | 1422.4 | -8 | Details |
| 8 | 2025 King Cetshwayo Summer Open (U14) | Standard | 2025-10-25 | 2025-10-25 | King Cetshwayo (KUR) | 5 | 1399.3 | 5 | 5 | 1668.9 | 27.2 | Details |
| 9 | 2025 King Cetshwayo SALGA Selections (U14 Girls) | Rapid | 2025-10-18 | 2025-10-18 | King Cetshwayo (KUR) | 5 | 1399.3 | 5 | 4.5 | 1594.1 | 14.4 | Details |
| 10 | 2025 Umhlathuze Mayoral Cup (U14 Girls) | Standard | 2025-09-20 | 2025-09-20 | King Cetshwayo (KUR) | 5 | 1448.7 | 5 | 4.5 | 1677.2 | 21.7 | Details |
| 11 | 2025 KZN Provincial Trials (U14) | Rapid | 2025-09-06 | 2025-09-06 | Ethekwini (KED) | 6 | 1448.7 | 6 | 1 | 1029.5 | -35.4 | Details |
| 12 | 2025 KwaZulu-Natal Women Championship (Teams) | Rapid | 2025-08-23 | 2025-08-23 | King Cetshwayo (KUR) | 6 | 1448.7 | 6 | 3 | 1252.2 | -17.2 | Details |
| 13 | 2025 King Cetshwayo Inter-School Teams Junior Primary (Intermediate) | Rapid | 2025-08-02 | 2025-08-02 | King Cetshwayo (KUR) | 5 | 1421.3 | 5 | 4 | 1654.6 | 17.2 | Details |
| 14 | 2025 King Cetshwayo Winter Open (U14) | Standard | 2025-05-17 | 2025-05-17 | King Cetshwayo (KUR) | 5 | 1389.4 | 5 | 4 | 1471.9 | 9 | Details |
| 15 | 2025 King Cetshwayo Anniversary (U14 Girls) | Standard | 2025-04-12 | 2025-04-12 | King Cetshwayo (KUR) | 5 | 1332.2 | 5 | 4 | 1548.8 | 20.4 | Details |
| 16 | 2025 Kinng Cetshwayo Championship (U14 Girls) | Standard | 2025-03-01 | 2025-03-01 | King Cetshwayo (KUR) | 5 | 1349.1 | 5 | 2.5 | 1245.1 | -9.3 | Details |
| 17 | 2025 King Cetshwayo Open (U14) | Standard | 2025-02-15 | 2025-02-15 | King Cetshwayo (KUR) | 5 | 1331.6 | 5 | 3 | 1438.2 | 9.6 | Details |
| 18 | 2024 King Cetshwayo Junior & Intermediate Tournament 2024 (U14) | Standard | 2024-11-02 | 2024-11-02 | King Cetshwayo (KUR) | 5 | 1264.7 | 5 | 5 | 1637.6 | 37.2 | Details |
| 19 | 2024 Umhlthuze Mayoral Cup (U14) | Rapid | 2024-10-19 | 2024-10-19 | King Cetshwayo (KUR) | 5 | 1281.5 | 5 | 2 | 1154 | -9.4 | Details |
| 20 | 2024 King Cetswayo Chess Womens Championship (Open) | Rapid | 2024-08-24 | 2024-08-24 | King Cetshwayo (KUR) | 5 | 1295.1 | 2 | 1 | 1022.6 | -7.6 | Details |
| 21 | 2024 Nelson Mandela Chess Tournament (U14) | Standard | 2024-07-20 | 2024-07-20 | King Cetshwayo (KUR) | 5 | 1351.4 | 5 | 3 | 1290.6 | -5.1 | Details |
| 22 | South African Open Chess Championship 2024 (C) | Standard | 2024-07-04 | 2024-07-07 | Ethekwini (KED) | 7 | 1351.4 | 6 | 3 | 1151.1 | -26.1 | Details |
| 23 | 2024 King Cetshwayo Winter Open (U14) | Standard | 2024-06-08 | 2024-06-08 | King Cetshwayo (KUR) | 5 | 1366 | 5 | 3 | 1272.3 | -8.3 | Details |
| 24 | 2024 King Cesthwayo Chess Anniversary (U14) | Standard | 2024-04-20 | 2024-04-21 | King Cetshwayo (KUR) | 7 | 1346.3 | 7 | 5 | 1420.4 | 11 | Details |
| 25 | 2024 King Cetshwayo Chess Open (B) | Standard | 2024-02-17 | 2024-02-18 | King Cetshwayo (KUR) | 7 | 1326.5 | 7 | 4.5 | 1391.8 | 8.3 | Details |
| 26 | 2023 KZN SALGA Games Chess Tournament 2023 | Standard | 2023-12-08 | 2023-12-10 | Ethekwini (KED) | 7 | 1275.3 | 6 | 4 | 1467 | 22.4 | Details |
| 27 | 2023 King Cetshwayo Junior & Intermediate Chess Tournament (U12) | Rapid | 2023-10-28 | 2023-10-28 | King Cetshwayo (KUR) | 5 | 1209.6 | 5 | 4 | 1460.6 | 16.5 | Details |
| 28 | 2023 King Cetswayo SALGA Elimination (U14 Girls) | Rapid | 2023-10-14 | 2023-10-14 | King Cetshwayo (KUR) | 5 | 1209.6 | 5 | 4.5 | 1532.4 | 20.2 | Details |
| 29 | UniZulu Tournament 2023 (U10+U12) | Standard | 2023-09-23 | 2023-09-23 | King Cetshwayo (KUR) | 6 | 1205.1 | 6 | 3 | 1226.5 | 2.5 | Details |
| 30 | 2023 King Cetshwayo Winter Open (U12) | Rapid | 2023-07-29 | 2023-07-29 | King Cetshwayo (KUR) | 6 | 1194.6 | 6 | 3.5 | 1270.9 | 5.9 | Details |
| 31 | 2023 King Cetshwayo Chess Anniversary (U12) | Standard | 2023-04-22 | 2023-04-23 | King Cetshwayo (KUR) | 7 | 1210.4 | 7 | 3 | 1141 | -8.8 | Details |
| 32 | 2022 Salga KZN Dsr Games KC Team Selections (U14) | Rapid | 2022-10-15 | 2022-10-15 | King Cetshwayo (KUR) | 5 | 1239.6 | 5 | 2 | 1108.4 | -7.9 | Details |
| 33 | 2022 King Cetshwayo Junior & Intermediate (U12) | Rapid | 2022-10-29 | 2022-10-29 | King Cetshwayo (KUR) | 5 | 1239.6 | 5 | 2 | 1099.1 | -8.5 | Details |
| 34 | 2022 Unizulu Chess Tournament (U10-U14) | Standard | 2022-09-03 | 2022-09-04 | King Cetshwayo (KUR) | 7 | 1230.3 | 7 | 4 | 1272.1 | 5 | Details |
| 35 | 2022 Mlalazi Chess Championship (Junior) | Rapid | 2022-05-14 | 2022-05-14 | King Cetshwayo (KUR) | 5 | 1214.6 | 4 | 2 | 1188.9 | -1.3 | Details |
| 36 | 2022 King Cetshwayo Championship (U14) | Standard | 2022-05-28 | 2022-05-29 | King Cetshwayo (KUR) | 7 | 1214.6 | 7 | 4 | 1286 | 10.5 | Details |
| 37 | 2022 King Cetshwayo Anniversary (U10-U14) | Standard | 2022-03-12 | 2022-03-13 | King Cetshwayo (KUR) | 7 | 1209.8 | 6 | 3 | 1233.4 | 2.8 | Details |
| 38 | 2022 King Cetshwayo Open (U10-U14) | Standard | 2022-02-19 | 2022-02-20 | King Cetshwayo (KUR) | 7 | 1217.3 | 7 | 4 | 1142.1 | -4.5 | Details |
| 39 | 2021 King Cetshwayo Christmas Tournament (U10) | Standard | 2021-11-27 | 2021-11-28 | King Cetshwayo (KUR) | 7 | 1200 | 4 | 2.5 | 1310.3 | 8.6 | 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 | 38 |
| Wins | 20 |
| Draws | 4 |
| Losses | 14 |
| White | 21 |
| Black | 17 |
| White wins | 11 |
| Black wins | 9 |
| Score | 22 |
| Percent | 57.9 |
| Dp | 67.1 |
| AOR | 1233.8 |
| Performance | 1300.9 |
Game statistics (History)
| Games | 219 |
| Wins | 128 |
| Draws | 12 |
| Losses | 79 |
| White | 109 |
| Black | 110 |
| White wins | 64 |
| Black wins | 64 |
| Score | 134 |
| Percent | 61.2 |
| Dp | 95.1 |
| AOR | 1233.9 |
| Performance | 1329 |
Rankings (Main)
| National | |
| Overall | 3832 |
| Gender | 606 |
| Age group | 535 |
| Gender/Age | 106 |
| Provincial | |
| Overall | 254 |
| Gender | 36 |
| Age group | 39 |
| Gender/Age | 7 |
| Regional | |
| Overall | 49 |
| Gender | 7 |
| Age group | 9 |
| Gender/Age | 3 |
Rankings (Standard)
| National | |
| Overall | 3571 |
| Gender | 609 |
| Age group | 534 |
| Gender/Age | 106 |
| Provincial | |
| Overall | 209 |
| Gender | 29 |
| Age group | 35 |
| Gender/Age | 7 |
| Regional | |
| Overall | 39 |
| Gender | 4 |
| Age group | 7 |
| Gender/Age | 3 |
Rankings (Rapid)
| National | |
| Overall | 2054 |
| Gender | 355 |
| Age group | 346 |
| Gender/Age | 74 |
| Provincial | |
| Overall | 214 |
| Gender | 39 |
| Age group | 37 |
| Gender/Age | 10 |
| Regional | |
| Overall | 39 |
| Gender | 8 |
| Age group | 5 |
| Gender/Age | 2 |
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 | 38 |
| Score | 22 |
| Percent | 57.9 |
| Aor | 1233.8 |
| Dp | 67.1 |
| Prat | 1300.9 |
Performance (12 months)
| Games | 45 |
| Score | 26.5 |
| Percent | 58.9 |
| Aor | 1244.2 |
| Dp | 75.6 |
| Prat | 1319.8 |
Performance (History)
| Games | 219 |
| Score | 134 |
| Percent | 61.2 |
| Aor | 1233.9 |
| Dp | 95.1 |
| Prat | 1329 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Pillay, G (Giuliana) | 8 | 4 | 4 | 2022 King Cetshwayo Open (U10-U14) | 2025 Umhlathuze Mayoral Cup (U14 Girls) | Details |
| Overall | 2 | Hlophe, M (Mayenziwe) | 5 | 3 | 2 | 2022 Unizulu Chess Tournament (U10-U14) | 2025 King Cetshwayo SALGA Selections (U14 Girls) | Details |
| Overall | 3 | Beharry, A (Aurora) | 5 | 4 | 1 | 2023 King Cetshwayo Chess Anniversary (U12) | 2025 King Cetshwayo Inter-School Teams Junior Primary (Intermediate) | Details |
| Overall | 4 | Ndlovu, U (Uminathi) | 5 | 3 | 2 | 2024 King Cesthwayo Chess Anniversary (U14) | 2026 King Cetshwayo Inter-School Teams (High School) | Details |
| Overall | 5 | Mulholland, ER (Emmy) | 5 | 3 | 2 | 2023 King Cetshwayo Chess Anniversary (U12) | 2025 King Cetshwayo Anniversary (U14 Girls) | Details |
| Standard | 1 | Mulholland, ER (Emmy) | 5 | 3 | 2 | 2023 King Cetshwayo Chess Anniversary (U12) | 2025 King Cetshwayo Anniversary (U14 Girls) | Details |
| Standard | 2 | Pillay, G (Giuliana) | 5 | 3 | 2 | 2022 King Cetshwayo Open (U10-U14) | 2025 Umhlathuze Mayoral Cup (U14 Girls) | Details |
| Standard | 3 | Ndlovu, U (Uminathi) | 4 | 2 | 2 | 2024 King Cesthwayo Chess Anniversary (U14) | 2026 KwaZulu Natal Closed Championship (U16 Girls) | Details |
| Standard | 4 | Botha, L (Louis) | 4 | 1 | 3 | 2021 King Cetshwayo Christmas Tournament (U10) | 2024 King Cetshwayo Chess Open (B) | Details |
| Standard | 5 | Gqibitole, WO (Wonga) | 3 | 3 | 0 | 2022 King Cetshwayo Anniversary (U10-U14) | 2024 King Cetshwayo Chess Open (B) | Details |
| Rapid | 1 | Hlophe, M (Mayenziwe) | 3 | 1 | 2 | 2024 Umhlthuze Mayoral Cup (U14) | 2025 King Cetshwayo SALGA Selections (U14 Girls) | Details |
| Rapid | 2 | Pillay, G (Giuliana) | 3 | 1 | 2 | 2022 King Cetshwayo Junior & Intermediate (U12) | 2023 King Cetshwayo Junior & Intermediate Chess Tournament (U12) | Details |
| Rapid | 3 | Mchunu, Y (Yethu) | 2 | 2 | 0 | 2023 King Cetshwayo Winter Open (U12) | 2023 King Cetshwayo Junior & Intermediate Chess Tournament (U12) | Details |
| Rapid | 4 | Musliah, S (Shayan) | 2 | 0 | 2 | 2023 King Cetshwayo Winter Open (U12) | 2025 King Cetshwayo Inter-School Teams Junior Primary (Intermediate) | Details |
| Rapid | 5 | Buthelezi, D (Deneo) | 2 | 0 | 2 | 2022 Salga KZN Dsr Games KC Team Selections (U14) | 2023 King Cetswayo SALGA Elimination (U14 Girls) | Details |