PLAYER PAGE
Zachariah Human
1120153447Tshwane (GTP)Personal
Main rating
| Rating | 1353.9 |
| K-factor | 32 |
| Floor | 917.7 |
| Highest | 1469.4 (2026-01-01) |
| Min/Max +/- allowed | 113 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1291.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1353.9 |
| K-factor | 32 |
| Floor | 917.7 |
| Highest | 1469.4 (2026-01-01) |
| Min/Max +/- allowed | 113 |
Standard rating
| Rating | 1354 |
| K-factor | 32 |
| Floor | 929.2 |
| Highest | 1463.5 (2026-01-01) |
| Min/Max +/- allowed | 113.9 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 1291.5 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1354 |
| K-factor | 32 |
| Floor | 929.2 |
| Highest | 1463.5 (2026-01-01) |
| Min/Max +/- allowed | 113.9 |
Rapid 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 |
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 |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 2026 Tshwane Chess Registration Tournament (C1) | Standard | 2026-01-31 | 2026-01-31 | Tshwane (GTP) | 5 | 1453.4 | 4 | 0 | 942.3 | 0 | Details |
| 2 | Gauteng Inter-Region at Emerald Resort 2025 (U14 Candidates) | Standard | 2025-12-06 | 2025-12-07 | Sedibeng (GSV) | 5 | 1411.7 | 5 | 4 | 1567.5 | 0 | Details |
| 3 | D4 Development Cup 2025 (U13) | Standard | 2025-10-17 | 2025-10-17 | Tshwane (GTP) | 5 | 1355.3 | 5 | 4 | 1531 | 0 | Details |
| 4 | 2025 Gauteng Schools Provincial Individual Chess Championship (U13 Boys) | Standard | 2025-09-27 | 2025-09-27 | Tshwane (GTP) | 5 | 1324.2 | 5 | 3 | 1509.1 | 0 | Details |
| 5 | 2025 Etienne Lewis Closed Chess Tournament (U14) | Standard | 2025-08-08 | 2025-08-10 | Tshwane (GTP) | 7 | 1308.1 | 7 | 3 | 1362.1 | 0 | Details |
| 6 | 2025 Menlo Open (U14) | Standard | 2025-07-26 | 2025-07-26 | Tshwane (GTP) | 5 | 1283.9 | 5 | 3 | 1415 | 0 | Details |
| 7 | 2025 Elise Steenkamp Open Chess Tournament (Rook) | Standard | 2025-06-14 | 2025-06-16 | Tshwane (GTP) | 7 | 1336.8 | 7 | 3 | 1169.8 | 0 | Details |
| 8 | 2025 JMCA Open Chess Tournament (C) | Standard | 2025-06-07 | 2025-06-07 | Tshwane (GTP) | 5 | 1336.8 | 5 | 1 | 1076.8 | 0 | Details |
| 9 | 2025 Gauteng North School Individual Championships D1 (U13 Open) | Standard | 2025-05-17 | 2025-05-17 | Tshwane (GTP) | 5 | 1286 | 5 | 4.5 | 1581.8 | 0 | Details |
| 10 | 2025 Blou Bul Open Chess Tournament (D1) | Standard | 2025-02-08 | 2025-02-08 | Tshwane (GTP) | 5 | 1313.3 | 5 | 2 | 1150.2 | 0 | Details |
| 11 | Gauteng Inter-Region at UJ 2024 (U14 Candidates) | Standard | 2024-12-07 | 2024-12-08 | Johannesburg Metro (GJM) | 5 | 1351.9 | 5 | 1.5 | 1151.2 | 0 | Details |
| 12 | Lardies Ope 2024 (B) | Standard | 2024-10-26 | 2024-10-26 | Tshwane (GTP) | 5 | 1330.4 | 5 | 3 | 1445.7 | 0 | Details |
| 13 | D1 Gauteng North District School Closed 2024 (U13) | Standard | 2024-08-03 | 2024-08-03 | Tshwane (GTP) | 5 | 1314 | 5 | 3 | 1414 | 0 | Details |
| 14 | 2024 Elise Steenkamp Open Chess Tournament (Queens) | Standard | 2024-06-15 | 2024-06-17 | Tshwane (GTP) | 7 | 1331.1 | 7 | 4 | 1260.7 | 0 | Details |
| 15 | 2024 Gauteng North School District Individual Championships - D1 (U13 Boys) | Standard | 2024-05-11 | 2024-05-11 | Tshwane (GTP) | 5 | 1263 | 5 | 4 | 1487 | 0 | Details |
| 16 | 2024 Milos Ristic Open Chess Tournament (U14) | Standard | 2024-04-27 | 2024-04-27 | Tshwane (GTP) | 5 | 1220.2 | 5 | 3 | 1377.7 | 0 | Details |
| 17 | 2024 Lubowski Open Chess Tournament (D2) | Standard | 2024-03-23 | 2024-03-24 | Tshwane (GTP) | 5 | 1174.1 | 5 | 2 | 1141.5 | 0 | Details |
| 18 | 2024 Chris Greyling Open Chess Tournament (D1) | Standard | 2024-03-16 | 2024-03-16 | Tshwane (GTP) | 5 | 1174.1 | 5 | 4 | 1397.6 | 0 | Details |
| 19 | 2024 Tshwane Chess AHS Open Chess Tournament (D2) | Standard | 2024-02-24 | 2024-02-24 | Tshwane (GTP) | 5 | 1179.4 | 5 | 2 | 1112.5 | 0 | Details |
| 20 | 2024 Tshwane Chess OPEN Registration Tournament (D1) | Standard | 2024-01-27 | 2024-01-27 | Tshwane (GTP) | 5 | 1112.2 | 5 | 3 | 1302 | 0 | Details |
| 21 | 2024 Gauteng Inter-Region Chess Championship (U12C) | Standard | 2024-01-13 | 2024-01-14 | Tshwane (GTP) | 5 | 1112.2 | 5 | 3 | 1244 | 0 | Details |
| 22 | 2023 Gauteng Noord (D) | Standard | 2023-10-14 | 2023-10-15 | Tshwane (GTP) | 5 | 1106.3 | 5 | 2 | 1125.2 | 0 | Details |
| 23 | 2023 Tuks Open Chess Tournament (D) | Standard | 2023-10-07 | 2023-10-07 | Tshwane (GTP) | 5 | 1106.3 | 4 | 1 | 1155.1 | 0 | Details |
| 24 | 2023 Alekhine Open Tournament (D) | Standard | 2023-09-09 | 2023-09-09 | Tshwane (GTP) | 5 | 1166.9 | 5 | 1 | 821 | 0 | Details |
| 25 | 2023 Etienne Lewis Closed Tournament (U12) | Standard | 2023-08-25 | 2023-08-27 | Tshwane (GTP) | 7 | 1173.7 | 7 | 3 | 1143.8 | 0 | Details |
| 26 | 2023 Mid Gauteng Open Tournament (D) | Standard | 2023-05-06 | 2023-05-06 | Tshwane (GTP) | 5 | 1190.1 | 5 | 2 | 1104.3 | 0 | Details |
| 27 | Silver Lakes Open Chess Tournament (D) | Standard | 2023-04-15 | 2023-04-15 | Tshwane (GTP) | 5 | 1200 | 5 | 1.5 | 944.7 | 0 | Details |
| 28 | 2023 Milos Ristic Open Tournament (D2) | Standard | 2023-04-27 | 2023-04-27 | Tshwane (GTP) | 5 | 1200 | 5 | 4 | 1411.8 | 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 | 4 |
| Wins | 0 |
| Draws | 0 |
| Losses | 4 |
| White | 2 |
| Black | 2 |
| White wins | 0 |
| Black wins | 0 |
| Score | 0 |
| Percent | 0 |
| Dp | -425 |
| AOR | 1367.3 |
| Performance | 942.3 |
Game statistics (History)
| Games | 146 |
| Wins | 73 |
| Draws | 3 |
| Losses | 70 |
| White | 75 |
| Black | 71 |
| White wins | 39 |
| Black wins | 34 |
| Score | 74.5 |
| Percent | 51 |
| Dp | 8.7 |
| AOR | 1255 |
| Performance | 1263.7 |
Rankings (Main)
| National | |
| Overall | 4328 |
| Gender | 3634 |
| Age group | 655 |
| Gender/Age | 508 |
| Provincial | |
| Overall | 1453 |
| Gender | 1215 |
| Age group | 225 |
| Gender/Age | 171 |
| Regional | |
| Overall | 515 |
| Gender | 418 |
| Age group | 79 |
| Gender/Age | 59 |
Rankings (Standard)
| National | |
| Overall | 3917 |
| Gender | 3270 |
| Age group | 595 |
| Gender/Age | 462 |
| Provincial | |
| Overall | 1393 |
| Gender | 1165 |
| Age group | 223 |
| Gender/Age | 170 |
| Regional | |
| Overall | 516 |
| Gender | 420 |
| Age group | 84 |
| Gender/Age | 63 |
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 | 0 |
| Score | 0 |
| Percent | 0 |
| Aor | 0 |
| Dp | 0 |
| Prat | 0 |
Performance ()
| Games | 4 |
| Score | 0 |
| Percent | 0 |
| Aor | 1367.3 |
| Dp | -425 |
| Prat | 942.3 |
Performance (12 months)
| Games | 48 |
| Score | 25.5 |
| Percent | 53.1 |
| Aor | 1325.5 |
| Dp | 26.6 |
| Prat | 1352 |
Performance (History)
| Games | 146 |
| Score | 74.5 |
| Percent | 51 |
| Aor | 1255 |
| Dp | 8.7 |
| Prat | 1263.7 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Labuscagne, W (Waldo) | 3 | 2 | 1 | 2024 Lubowski Open Chess Tournament (D2) | 2025 Elise Steenkamp Open Chess Tournament (Rook) | Details |
| Overall | 2 | Theron, C (Carla) | 2 | 1 | 1 | Lardies Ope 2024 (B) | 2025 Etienne Lewis Closed Chess Tournament (U14) | Details |
| Overall | 3 | Le Roux, E (Etienne) | 2 | 2 | 0 | 2023 Etienne Lewis Closed Tournament (U12) | 2025 Etienne Lewis Closed Chess Tournament (U14) | Details |
| Overall | 4 | Human, S (Samuel) | 2 | 0 | 2 | 2024 Lubowski Open Chess Tournament (D2) | 2025 Gauteng North School Individual Championships D1 (U13 Open) | Details |
| Overall | 5 | Segalo, O (Ogone) | 2 | 2 | 0 | 2023 Milos Ristic Open Tournament (D2) | 2023 Mid Gauteng Open Tournament (D) | Details |
| Standard | 1 | Labuscagne, W (Waldo) | 3 | 2 | 1 | 2024 Lubowski Open Chess Tournament (D2) | 2025 Elise Steenkamp Open Chess Tournament (Rook) | Details |
| Standard | 2 | Haupt, A (Abigail) | 2 | 2 | 0 | 2023 Milos Ristic Open Tournament (D2) | 2023 Alekhine Open Tournament (D) | Details |
| Standard | 3 | Boshoff, R (Reinhardt) | 2 | 0 | 2 | 2023 Gauteng Noord (D) | 2025 Etienne Lewis Closed Chess Tournament (U14) | Details |
| Standard | 4 | Le Roux, E (Etienne) | 2 | 2 | 0 | 2023 Etienne Lewis Closed Tournament (U12) | 2025 Etienne Lewis Closed Chess Tournament (U14) | Details |
| Standard | 5 | Theron, C (Carla) | 2 | 1 | 1 | Lardies Ope 2024 (B) | 2025 Etienne Lewis Closed Chess Tournament (U14) | Details |