Surname or Chess SA id..
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Tristann Posthumus

1090154889
Ekurhuleni (GE)
Personal
Main rating
Rating 1394.2
K-factor 36
Floor 894.2
Highest 1543.3 (2023-05-01)
Min/Max +/- allowed 102
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1311.6
Final +/- 0
New Rating
()
Rating 1394.2
K-factor 36
Floor 894.2
Highest 1543.3 (2023-05-01)
Min/Max +/- allowed 101.7
Standard rating
Rating 1401.1
K-factor 32
Floor 901.1
Highest 1419 (2024-05-01)
Min/Max +/- allowed 121.4
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1311.6
Final +/- 0
New Rating
()
Rating 1401.1
K-factor 32
Floor 901.1
Highest 1419 (2024-05-01)
Min/Max +/- allowed 121.4
Rapid rating
Rating 1306.6
K-factor 36
Floor 834.6
Highest 1627.8 (2023-05-01)
Min/Max +/- allowed 90.1
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1306.6
K-factor 36
Floor 834.6
Highest 1627.8 (2023-05-01)
Min/Max +/- allowed 90.1
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
No tournaments found.
# 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 East Rand Chess Club Open 2025 (B) Standard 2025-08-09 2025-08-09 Ekurhuleni (GE) 5 1341.7 5 3 1543.6 0 Details
2 East Rand Chess Club Open 2025 (B) Standard 2025-08-09 2025-08-09 Ekurhuleni (GE) 5 1341.7 5 3 1543.6 0 Details
3 Ekurhuleni North Schools Teams 2025 (U19 Open) Standard 2025-08-16 2025-08-16 Ekurhuleni (GE) 5 1387.1 4 2.5 1365.3 0 Details
4 Ekurhuleni North Chess Club Open Tournament 2025 (B) Standard 2025-08-09 2025-08-09 Ekurhuleni (GE) 5 1387.1 5 1 1031.8 0 Details
5 Benoni High School Cluster 2025 (U19) Standard 2025-05-10 2025-05-10 Ekurhuleni (GE) 5 1332.9 4 4 1717.7 0 Details
6 Gauteng Top Schools 2024 (U15 Open) Rapid 2024-10-05 2024-10-05 Ekurhuleni (GE) 5 1349.5 5 2 1228.7 0 Details
7 Ekurhuleni North Chess Club Open Tournament 2024 (B) Standard 2024-08-09 2024-08-09 Ekurhuleni (GE) 5 1358.2 5 1 965.1 0 Details
8 Ekurhuleni North Schools Finals - Teams 2024 (U15 Open) Standard 2024-08-03 2024-08-03 Ekurhuleni (GE) 5 1358.2 5 5 1634.8 0 Details
9 Gauteng Schools Individuals Finals 2024 (U15 Boys) Standard 2024-08-17 2024-08-17 Ekurhuleni (GE) 5 1358.2 5 3 1426 0 Details
10 Ekurhuleni North High School Individuals 2024 (U15 Boys) Standard 2024-05-18 2024-05-18 Ekurhuleni (GE) 5 1313.7 4 3 1456 0 Details
11 Benoni Cluster High Schools Teams 2024 (U15) Rapid 2024-05-11 2024-05-11 Ekurhuleni (GE) 5 1313.7 5 4 1456 0 Details
12 Westwood Open 2024 (A) Standard 2024-04-13 2024-04-13 Ekurhuleni (GE) 5 1284.7 5 3 1458.1 0 Details
13 Benoni High Schools Cluster Individuals 2024 (U15 Boys) Rapid 2024-03-16 2024-03-16 Ekurhuleni (GE) 5 1265 5 3 1382.5 0 Details
14 Ekurhuleni Chess Spring Tournament 2023 (D) Standard 2023-09-23 2023-09-23 Ekurhuleni (GE) 5 1252.7 5 3 1313.4 0 Details
15 Benoni Cluster High School League 2023 (U15 Open) Rapid 2023-05-06 2023-05-06 Ekurhuleni (GE) 5 1200 5 5 1621.8 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 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 (History)
Games 72
Wins 43
Draws 5
Losses 24
White 39
Black 43
White wins 29
Black wins 18
Score 45.5
Percent 63.2
Dp 112.2
AOR 1293.2
Performance 1405.3
Rankings (Main)
National
Overall 3405
Gender 2885
Age group 517
Gender/Age 429
Provincial
Overall 1179
Gender 988
Age group 195
Gender/Age 162
Regional
Overall 197
Gender 160
Age group 36
Gender/Age 30
Rankings (Standard)
National
Overall 2955
Gender 2499
Age group 441
Gender/Age 365
Provincial
Overall 1060
Gender 896
Age group 175
Gender/Age 146
Regional
Overall 172
Gender 145
Age group 30
Gender/Age 26
Rankings (Rapid)
National
Overall 1846
Gender 1529
Age group 240
Gender/Age 200
Provincial
Overall 317
Gender 264
Age group 35
Gender/Age 30
Regional
Overall 106
Gender 77
Age group 12
Gender/Age 9
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 23
Score 13.5
Percent 58.7
Aor 1357.7
Dp 73.9
Prat 1431.6
Performance (History)
Games 72
Score 45.5
Percent 63.2
Aor 1293.2
Dp 112.2
Prat 1405.3
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Bothma, L (Liandri) 3 3 0 Westwood Open 2024 (A) Ekurhuleni North Chess Club Open Tournament 2025 (B) Details
Overall 2 Jolly, K (Kian) 2 2 0 Ekurhuleni North Chess Club Open Tournament 2024 (B) Ekurhuleni North Chess Club Open Tournament 2025 (B) Details
Overall 3 Du Toit, J (Jaunre) 2 0 2 Ekurhuleni North Chess Club Open Tournament 2024 (B) Ekurhuleni North Chess Club Open Tournament 2025 (B) Details
Overall 4 Pillay, Z (Zac) 2 0 2 East Rand Chess Club Open 2025 (B) East Rand Chess Club Open 2025 (B) Details
Overall 5 Nengovhela, M (Manakela) 2 0 2 East Rand Chess Club Open 2025 (B) East Rand Chess Club Open 2025 (B) Details
Standard 1 Bothma, L (Liandri) 3 3 0 Westwood Open 2024 (A) Ekurhuleni North Chess Club Open Tournament 2025 (B) Details
Standard 2 Netshimbupfe, Y (Yoanda) 2 0 2 Ekurhuleni North Chess Club Open Tournament 2024 (B) Ekurhuleni North Chess Club Open Tournament 2025 (B) Details
Standard 3 Hamilton-Hall, R (Riley) 2 1 1 Benoni High School Cluster 2025 (U19) Ekurhuleni North Schools Teams 2025 (U19 Open) Details
Standard 4 Pillay, Z (Zac) 2 0 2 East Rand Chess Club Open 2025 (B) East Rand Chess Club Open 2025 (B) Details
Standard 5 Nengovhela, M (Manakela) 2 0 2 East Rand Chess Club Open 2025 (B) East Rand Chess Club Open 2025 (B) Details
Rapid 1 Myburgh, X (Xuan) 2 1 1 Benoni Cluster High School League 2023 (U15 Open) Benoni High Schools Cluster Individuals 2024 (U15 Boys) Details