PLAYER PAGE

Zachariah Human

1120153447
Tshwane (GTP)
Personal
Main rating
Rating 1242.7
K-factor 32
Floor 917.7
Highest 1469.4 (2026-01-01)
Min/Max +/- allowed 113
Rating Change
()
Games 5
Score 3
We 3.63
SWe -0.79
Temp +/- -25.3
Penalties 0
Weight perform 1113.4
Final +/- -25.3
New Rating
()
Rating 1217.4
K-factor 32
Floor 917.7
Highest 1469.4 (2026-01-01)
Min/Max +/- allowed 113
Standard rating
Rating 1228.4
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 1149.3
Final +/- 0
New Rating
()
Rating 1228.4
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 5
Score 3
We 3.52
SWe -1.02
Temp +/- -36.5
Penalties 0
Weight perform 0
Final +/- -36.5
New Rating
()
Rating 1163.5
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 Gauteng Top Schools Teams 2026 (U15 Open) Rapid 2026-08-28 2026-08-28 Ekurhuleni (GE) 5 1242.7 5 3 1122.7 -14.9 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 Gauteng North School D3 Team League Finals (U15) Standard 2026-08-22 2026-08-22 Tshwane (GTP) 5 1242.7 5 3 1148 -20.3 Details
2 2026 Etienne Lewis (U16) Standard 2026-08-08 2026-08-10 Tshwane (GTP) 7 1242.7 7 3 1221 -22.2 Details
3 2026 Tshwane North D3 Cluster 4&5 Teams (U15) Standard 2026-07-25 2026-07-25 Tshwane (GTP) 5 1242.7 5 3 1131.1 -20.8 Details
4 Elise Steenkamp 2026 (Rook) Standard 2026-06-13 2026-06-15 Tshwane (GTP) 7 1338.3 7 3 1212 -32.3 Details
5 2026 Milos Ristic Teams Open (Open) Standard 2026-05-02 2026-05-02 Tshwane (GTP) 5 1352.9 5 1 1254 -14.6 Details
6 2026 PBHS Open (C) Standard 2026-04-25 2026-04-25 Tshwane (GTP) 5 1357.7 5 2 1320.3 -4.8 Details
7 2026 D3 Tshwane North School Cluster 4&5 Individuals (U15 Mixed) Standard 2026-04-11 2026-04-11 Tshwane (GTP) 5 1265 5 3 1366.6 19.1 Details
8 2026 Lubowski Open Chess Tournament (D2) Standard 2026-03-21 2026-03-22 Tshwane (GTP) 5 1353.9 5 3.5 1405.1 10.5 Details
9 2026 Silver Lakes Open Chess Tournament (C) Standard 2026-03-07 2026-03-07 Tshwane (GTP) 5 1353.9 5 2 1304.3 -6.7 Details
10 2026 Tshwane Chess Registration Tournament (C1) Standard 2026-01-31 2026-01-31 Tshwane (GTP) 5 1453.4 4 0 942.3 -39.8 Details
11 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 18 Details
12 D4 Development Cup 2025 (U13) Standard 2025-10-17 2025-10-17 Tshwane (GTP) 5 1355.3 5 4 1531 16.6 Details
13 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 17.3 Details
14 2025 Gauteng North School District CLOSED League Finals - D1 (U13 Open) Standard 2025-08-16 2025-08-16 Tshwane (GTP) 5 1200 5 4 1526.7 32.5 Details
15 2025 Etienne Lewis Closed Chess Tournament (U14) Standard 2025-08-08 2025-08-10 Tshwane (GTP) 7 1308.1 7 3 1362.1 9 Details
16 2025 Menlo Open (U14) Standard 2025-07-26 2025-07-26 Tshwane (GTP) 5 1283.9 5 3 1415 13.4 Details
17 2025 Elise Steenkamp Open Chess Tournament (Rook) Standard 2025-06-14 2025-06-16 Tshwane (GTP) 7 1336.8 7 3 1169.8 -26.5 Details
18 2025 JMCA Open Chess Tournament (C) Standard 2025-06-07 2025-06-07 Tshwane (GTP) 5 1336.8 5 1 1076.8 -26.1 Details
19 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 28.2 Details
20 2025 Blou Bul Open Chess Tournament (D1) Standard 2025-02-08 2025-02-08 Tshwane (GTP) 5 1313.3 5 2 1150.2 -15.1 Details
21 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 -21.4 Details
22 Lardies Ope 2024 (B) Standard 2024-10-26 2024-10-26 Tshwane (GTP) 5 1330.4 5 3 1445.7 12 Details
23 D1 Gauteng North District School Closed 2024 (U13) Standard 2024-08-03 2024-08-03 Tshwane (GTP) 5 1314 5 3 1414 9.1 Details
24 2024 Elise Steenkamp Open Chess Tournament (Queens) Standard 2024-06-15 2024-06-17 Tshwane (GTP) 7 1331.1 7 4 1260.7 -9.6 Details
25 2024 Gauteng North School District Individual Championships - D1 (U13 Boys) Standard 2024-05-11 2024-05-11 Tshwane (GTP) 5 1263 5 4 1487 22.6 Details
26 2024 Milos Ristic Open Chess Tournament (U14) Standard 2024-04-27 2024-04-27 Tshwane (GTP) 5 1220.2 5 3 1377.7 14.8 Details
27 2024 Lubowski Open Chess Tournament (D2) Standard 2024-03-23 2024-03-24 Tshwane (GTP) 5 1174.1 5 2 1141.5 -4.5 Details
28 2024 Chris Greyling Open Chess Tournament (D1) Standard 2024-03-16 2024-03-16 Tshwane (GTP) 5 1174.1 5 4 1397.6 21.2 Details
29 2024 Tshwane Chess AHS Open Chess Tournament (D2) Standard 2024-02-24 2024-02-24 Tshwane (GTP) 5 1179.4 5 2 1112.5 -7.3 Details
30 2024 Tshwane Chess OPEN Registration Tournament (D1) Standard 2024-01-27 2024-01-27 Tshwane (GTP) 5 1112.2 5 3 1302 17.9 Details
31 2024 Gauteng Inter-Region Chess Championship (U12C) Standard 2024-01-13 2024-01-14 Tshwane (GTP) 5 1112.2 5 3 1244 15.4 Details
32 2023 Gauteng Noord (D) Standard 2023-10-14 2023-10-15 Tshwane (GTP) 5 1106.3 5 2 1125.2 1.1 Details
33 2023 Tuks Open Chess Tournament (D) Standard 2023-10-07 2023-10-07 Tshwane (GTP) 5 1106.3 4 1 1155.1 2.2 Details
34 2023 Alekhine Open Tournament (D) Standard 2023-09-09 2023-09-09 Tshwane (GTP) 5 1166.9 5 1 821 -33.8 Details
35 2023 Etienne Lewis Closed Tournament (U12) Standard 2023-08-25 2023-08-27 Tshwane (GTP) 7 1173.7 7 3 1143.8 -3.9 Details
36 2023 Mid Gauteng Open Tournament (D) Standard 2023-05-06 2023-05-06 Tshwane (GTP) 5 1190.1 5 2 1104.3 -9.1 Details
37 Silver Lakes Open Chess Tournament (D) Standard 2023-04-15 2023-04-15 Tshwane (GTP) 5 1200 5 1.5 944.7 -25.6 Details
38 2023 Milos Ristic Open Tournament (D2) Standard 2023-04-27 2023-04-27 Tshwane (GTP) 5 1200 5 4 1411.8 20.1 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 58
Wins 26
Draws 1
Losses 31
White 26
Black 32
White wins 8
Black wins 18
Score 26.5
Percent 45.7
Dp -36.6
AOR 1261.8
Performance 1225.2
Game statistics (History)
Games 205
Wins 103
Draws 4
Losses 98
White 101
Black 104
White wins 49
Black wins 54
Score 105
Percent 51.2
Dp 10.4
AOR 1255.1
Performance 1265.5
Rankings (Main)
National
Overall 8904
Gender 7136
Age group 1501
Gender/Age 1161
Provincial
Overall 3082
Gender 2441
Age group 543
Gender/Age 411
Regional
Overall 966
Gender 769
Age group 174
Gender/Age 137
Rankings (Standard)
National
Overall 8237
Gender 6440
Age group 1414
Gender/Age 1075
Provincial
Overall 2964
Gender 2285
Age group 538
Gender/Age 392
Regional
Overall 1028
Gender 797
Age group 194
Gender/Age 150
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 58
Score 26.5
Percent 45.7
Aor 1261.8
Dp -36.6
Prat 1225.2
Performance (12 months)
Games 63
Score 30.5
Percent 48.4
Aor 1265.8
Dp -13.5
Prat 1252.3
Performance (History)
Games 205
Score 105
Percent 51.2
Aor 1255.1
Dp 10.4
Prat 1265.5
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 Maponya, W (Warona) 2 2 0 2023 Gauteng Noord (D) 2026 D3 Tshwane North School Cluster 4&5 Individuals (U15 Mixed) Details
Overall 3 Haupt, J (Joshua) 2 1 1 2025 JMCA Open Chess Tournament (C) 2026 PBHS Open (C) 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 Boshoff, R (Reinhardt) 2 0 2 2023 Gauteng Noord (D) 2025 Etienne Lewis Closed Chess Tournament (U14) Details
Standard 3 Jansen, A (Alexia) 2 1 1 Lardies Ope 2024 (B) 2026 PBHS Open (C) Details
Standard 4 Boshoff, M (Milah) 2 1 1 2023 Gauteng Noord (D) 2026 Silver Lakes Open Chess Tournament (C) Details
Standard 5 Pooe, L (Lebogang) 2 0 2 Gauteng Inter-Region at Emerald Resort 2025 (U14 Candidates) 2026 Etienne Lewis (U16) Details