PLAYER PAGE

Iowan Mann

1130152987
Bojanala Platina (NBR)
Personal
Main rating
Rating 1809.8
K-factor 24
Floor 1337
Highest 1837 (2026-09-01)
Min/Max +/- allowed 67
Rating Change
()
Games 5
Score 3
We 2.35
SWe 0.54
Temp +/- 13
Penalties 0
Weight perform 1817.4
Final +/- +13
New Rating
()
Rating 1822.7
K-factor 24
Floor 1337
Highest 1837 (2026-09-01)
Min/Max +/- allowed 66.9
Standard rating
Rating 1810.8
K-factor 24
Floor 1345.6
Highest 1845.6 (2026-08-01)
Min/Max +/- allowed 66.1
Rating Change
()
Games 5
Score 3
We 2.43
SWe 0.57
Temp +/- 13.7
Penalties 0
Weight perform 1843.9
Final +/- +33.1
New Rating
()
Rating 1843.9
K-factor 24
Floor 1345.6
Highest 1845.6 (2026-08-01)
Min/Max +/- allowed 66.1
Rapid rating
Rating 1656.4
K-factor 28
Floor 1156.4
Highest 1656.4 (2026-09-01)
Min/Max +/- allowed 86.5
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1630
Final +/- 0
New Rating
()
Rating 1656.4
K-factor 28
Floor 1156.4
Highest 1656.4 (2026-09-01)
Min/Max +/- allowed 86.5
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 Bojanala's Battle Of Mount Cambridge 2.0 (Queens) Standard 2026-10-10 2026-10-10 Bojanala Platina (NBR) 5 1809.8 5 3 1936.6 13 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 2026 Centurion Chess Club Open Tournament (A) Standard 2026-09-19 2026-09-19 Tshwane (GTP) 5 1837 3 0 1270.8 -40.5 Details
2 2026 Bojanala Closed Circuit Championship 2 of 4 (U18) Standard 2026-09-05 2026-09-05 Bojanala Platina (NBR) 5 1837 5 5 1894.2 13.3 Details
3 EN Teams 2026 (U13) Rapid 2026-08-15 2026-08-15 Ekurhuleni (GE) 5 1837 5 4.5 1814.6 7.9 Details
4 Ekurhuleni 3rd Standard Tournament 2026 (A) Standard 2026-08-08 2026-08-08 Ekurhuleni (GE) 5 1837 5 2 1683.1 -1.3 Details
5 Eureka Open 01 August 2026 (A) Standard 2026-08-01 2026-08-01 Sedibeng (GSV) 5 1837 5 4 1853.1 2.4 Details
6 Knights Watch Winter Classic 2026 (B) Standard 2026-07-04 2026-07-05 Johannesburg Metro (GJM) 5 1789.4 5 5 2076.1 38.6 Details
7 Ekurhuleni Open 2026 (A) Standard 2026-05-23 2026-05-23 Ekurhuleni (GE) 5 1814.5 4 0 1564.6 -23.6 Details
8 Benoni Cluster Laerskole Teams Mix 2026 (U13) Rapid 2026-06-13 2026-06-13 Ekurhuleni (GE) 5 1814.5 5 4.5 1711.9 -1.5 Details
9 Ekurhuleni 1st Trial 2026 (A+B) Standard 2026-04-11 2026-04-11 Ekurhuleni (GE) 5 1781.5 5 3 1721 -8.9 Details
10 Ekurhuleni North District Individuals 2026 (U13 Boys) Standard 2026-05-09 2026-05-09 Ekurhuleni (GE) 5 1781.5 5 5 1841.1 14.9 Details
11 2026 Milos Ristic Teams Open (Junior) Standard 2026-05-02 2026-05-02 Tshwane (GTP) 5 1781.5 5 5 1973.8 27 Details
12 Benoni Laerskole Cluster 2026 (U13 Boys) Rapid 2026-04-25 2026-04-25 Ekurhuleni (GE) 5 1780.5 5 5 1682.2 1 Details
13 Bojanala's Battle Of Mount Cambridge 2026 (Prestige) Standard 2026-03-21 2026-03-21 Bojanala Platina (NBR) 5 1766.3 5 3 1857.6 11.5 Details
14 Bojanala Closed Chess Championships 2026 (U14) Classical 2026-02-13 2026-02-15 Bojanala Platina (NBR) 5 1772.9 5 3.5 1802.1 2.8 Details
15 EG Janesn Open 2026 (U15) Standard 2026-02-07 2026-02-07 Ekurhuleni (GE) 5 1772.9 5 4 1715.6 -3.8 Details
16 2026 JMC Kick off Tournament (A) Standard 2026-02-01 2026-02-01 Johannesburg Metro (GJM) 5 1772.9 5 2 1767.5 -3.5 Details
17 Bojanala Wildcard Chess Championships 2026 (Open) Standard 2026-01-24 2026-01-24 Bojanala Platina (NBR) 5 1764.9 5 3 1804 2.4 Details
18 2025 African Youth Chess Championship Classical 2025-12-07 2025-12-13 Zimbabwe (ZIM) 9 1687.9 9 6.5 1944.5 55 Details
19 Bojanala's Circuit Championships 4 of 4 2025 (Open) Standard 2025-11-01 2025-11-01 Bojanala Platina (NBR) 5 1727.2 3 2 1699.3 -0.8 Details
20 Chess Power House October Open 2025 (A) Standard 2025-10-25 2025-10-25 Ekurhuleni (GE) 5 1727.2 4 1 1565.9 -12.6 Details
21 Bojanala's Battle Of Mount Cambridge 2025 (Rooks) Standard 2025-10-11 2025-10-11 Bojanala Platina (NBR) 5 1637.6 5 4 1796.1 14.9 Details
22 2025 Gauteng Schools Provincial Individual Chess Championship (U13 Boys) Standard 2025-09-27 2025-09-27 Tshwane (GTP) 5 1637.6 5 5 1896.6 26.2 Details
23 Bojanala's FIDE On The Orion Express 2025 (Knights) Classical 2025-10-04 2025-10-05 Bojanala Platina (NBR) 7 1637.6 7 5.5 1707 12.6 Details
24 Tshwane Chess Club Clash 2025 (Open) Standard 2025-09-13 2025-09-13 Tshwane (GTP) 5 1637.8 5 2.5 1590 -3.8 Details
25 2025 Alekhine Open (B) Standard 2025-09-06 2025-09-07 Tshwane (GTP) 5 1637.8 5 3 1624.3 -0.6 Details
26 Chess Power House Aug Open 2025 (A) Standard 2025-08-16 2025-08-16 Ekurhuleni (GE) 5 1657.3 5 1 1429.6 -21.6 Details
27 Benoni Primary School Cluster Teams 2025 (U13A) Rapid 2025-08-02 2025-08-02 Ekurhuleni (GE) 7 1657.3 7 7 1724.6 7.6 Details
28 Eureka Chess Open 26 July 2025 (A) Standard 2025-07-26 2025-07-26 Sedibeng (GSV) 5 1636.4 5 3 1832.5 17.9 Details
29 2025 Wynie Robbertse Chess Tournament (B) Standard 2025-07-19 2025-07-19 Tshwane (GTP) 5 1636.4 5 3.5 1689.7 6 Details
30 South African Open 2025 (B) Classical 2025-06-28 2025-07-05 Johannesburg Metro (GJM) 11 1636.4 11 5 1341.8 -74.8 Details
31 Ekurhuleni North School District Finals 2025 (U13 Boys) Standard 2025-06-14 2025-06-14 Ekurhuleni (GE) 5 1627.1 5 5 1770.5 14.9 Details
32 Bojanala's Pre-Exam 2025 (Queens) Standard 2025-05-31 2025-05-31 Bojanala Platina (NBR) 5 1627.1 5 2 1548.9 -8.3 Details
33 Moja Chess Extravaganza 2025 (B) Classical 2025-04-26 2025-05-01 Johannesburg Metro (GJM) 9 1662.4 8 2.5 1555.7 -20.2 Details
34 JMC Crawford Sandton 2025 (A) Standard 2025-05-10 2025-05-10 Johannesburg Metro (GJM) 5 1662.4 5 1.5 1619.2 -5 Details
35 Chess Molecules Open Tournament 2025 (A) Rapid 2025-04-19 2025-04-19 Johannesburg Metro (GJM) 5 1666.4 5 3 1376.1 -19.3 Details
36 Benoni Primary School Cluster 12 April 2025 (U13 Open) Standard 2025-04-12 2025-04-12 Ekurhuleni (GE) 5 1666.4 5 5 1642.2 1.7 Details
37 South African Junior Closed Chess Championships 2025 (U12 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1666.4 9 6 1739.8 14.8 Details
38 2025 Chris Greyling Open Chess Tournament (A) Standard 2025-03-15 2025-03-15 Tshwane (GTP) 5 1685 5 2 1596 -9.5 Details
39 Bojanala Circuit Championships 1 of 4 2025 Standard 2025-03-01 2025-03-01 Bojanala Platina (NBR) 5 1685 5 3.5 1635.7 -4 Details
40 Knight Riders Open Chess Tournament 2025 (A) Standard 2025-02-22 2025-02-22 Johannesburg Metro (GJM) 5 1642.6 5 2.5 1817 9.1 Details
41 Laer Volkskool Open 15 Feb 2025 (A+B) Standard 2025-02-15 2025-02-15 Sedibeng (GSV) 5 1642.6 5 3.5 1644.2 -0.3 Details
42 Bojanala Closed Chess Championships 2025 (U12) Classical 2025-01-31 2025-02-02 Bojanala Platina (NBR) 5 1642.6 5 4 1699.9 6.2 Details
43 Bojanala Wildcard 2025 (Queens) Standard 2025-01-25 2025-01-25 Bojanala Platina (NBR) 5 1652.5 5 2.5 1567.8 -7.1 Details
44 Bojanala's Merry Chess-Mas 2024 (Queens) Standard 2024-12-07 2024-12-07 Bojanala Platina (NBR) 5 1665.7 5 2 1561.7 -9.5 Details
45 Queens Gambit Chess Open 2024 (A) Standard 2024-11-23 2024-11-23 Sedibeng (GSV) 5 1655.9 5 3.5 1733.6 7 Details
46 CPH Boksburg Open 2024 (A) Standard 2024-10-25 2024-10-26 Ekurhuleni (GE) 5 1647.4 4 1 1536.9 -9.8 Details
47 Laerskool Doringkloof Primary Open Chess Tournament 2024 (A) Standard 2024-10-19 2024-10-19 Tshwane (GTP) 5 1647.4 5 2 1657.1 -2 Details
48 Bojanala's Circuit Championships 4 of 4 204 (U18+U20) Standard 2024-10-12 2024-10-12 Bojanala Platina (NBR) 5 1647.4 5 4 1697.9 5.6 Details
49 2024 Gauteng North Open Chess Tournament (A) Standard 2024-10-05 2024-10-06 Tshwane (GTP) 5 1647.4 5 3 1763.4 12.2 Details
50 Bojanala Circuit Championships 3 of 4 2024 (U16) Standard 2024-09-14 2024-09-14 Bojanala Platina (NBR) 5 1656.7 5 3.5 1570.3 -4 Details
Game statistics ( )
Games 5
Wins 3
Draws 0
Losses 2
White 3
Black 2
White wins 2
Black wins 1
Score 3
Percent 60
Dp 85
AOR 1851.6
Performance 1936.6
Game statistics ()
Games 87
Wins 59
Draws 5
Losses 23
White 48
Black 39
White wins 35
Black wins 24
Score 61.5
Percent 70.7
Dp 175.9
AOR 1614.3
Performance 1790.1
Game statistics (History)
Games 487
Wins 309
Draws 47
Losses 131
White 243
Black 244
White wins 159
Black wins 150
Score 332.5
Percent 68.3
Dp 155.3
AOR 1484
Performance 1639.4
Rankings (Main)
National
Overall 253
Gender 238
Age group 6
Gender/Age 6
Provincial
Overall 22
Gender 21
Age group 3
Gender/Age 3
Regional
Overall 21
Gender 20
Age group 3
Gender/Age 3
Rankings (Standard)
National
Overall 239
Gender 224
Age group 6
Gender/Age 6
Provincial
Overall 21
Gender 20
Age group 3
Gender/Age 3
Regional
Overall 20
Gender 19
Age group 3
Gender/Age 3
Rankings (Rapid)
National
Overall 123
Gender 121
Age group 6
Gender/Age 6
Provincial
Overall 4
Gender 4
Age group 2
Gender/Age 2
Regional
Overall 4
Gender 4
Age group 2
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 5
Score 3
Percent 60
Aor 1851.6
Dp 85
Prat 1936.6
Performance ()
Games 87
Score 61.5
Percent 70.7
Aor 1614.3
Dp 175.9
Prat 1790.1
Performance (12 months)
Games 99
Score 70
Percent 70.7
Aor 1625.4
Dp 176
Prat 1801.4
Performance (History)
Games 487
Score 332.5
Percent 68.3
Aor 1484
Dp 155.3
Prat 1639.4
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Van Loggerenberg, E (Elandre) 8 2 6 Benoni Primary School Cluster Individuals 2024 (U11 Boys) EN Teams 2026 (U13) Details
Overall 2 Changara, A (Alvis Tafadzwa) 5 3 2 Bojanala's Battle Of Mount Cambridge 2023 (Rooks) Bojanala Closed Chess Championships 2026 (U14) Details
Overall 3 Dikane, O (Oageng) 4 3 1 Bojanala's Circuit Championships 4 of 4 204 (U18+U20) 2026 JMC Kick off Tournament (A) Details
Overall 4 Pretorius, S (Sarel) 4 2 2 Bojanala Closed Chess Championships Finals 2024 (U12) Bojanala's FIDE On The Orion Express 2025 (Knights) Details
Overall 5 Motau, N (Neelo) 4 2 2 Bojanala Closed Chess Championships Stage 1 2024 (U12) South African Junior Closed Chess Championships 2025 (U12 Open) Details
Standard 1 Changara, A (Alvis Tafadzwa) 5 3 2 Bojanala's Battle Of Mount Cambridge 2023 (Rooks) Bojanala Closed Chess Championships 2026 (U14) Details
Standard 2 Motau, N (Neelo) 4 2 2 Bojanala Closed Chess Championships Stage 1 2024 (U12) South African Junior Closed Chess Championships 2025 (U12 Open) Details
Standard 3 Dikane, O (Oageng) 4 3 1 Bojanala's Circuit Championships 4 of 4 204 (U18+U20) 2026 JMC Kick off Tournament (A) Details
Standard 4 Pretorius, S (Sarel) 4 2 2 Bojanala Closed Chess Championships Finals 2024 (U12) Bojanala's FIDE On The Orion Express 2025 (Knights) Details
Standard 5 Van Loggerenberg, E (Elandre) 4 1 3 Ekurhuleni North Primary Schools District Individual Finals 2024 (U11 Boys) Ekurhuleni North School District Finals 2025 (U13 Boys) Details
Rapid 1 Van Loggerenberg, E (Elandre) 4 1 3 Benoni Primary School Cluster Individuals 2024 (U11 Boys) EN Teams 2026 (U13) Details
Rapid 2 Du Plessis, D (Danie) 3 1 2 Benoni Primary School Cluster Teams 2025 (U13A) Benoni Cluster Laerskole Teams Mix 2026 (U13) Details
Rapid 3 Mayanga, D (David) 2 1 1 Benoni Laerskole Cluster 2026 (U13 Boys) Benoni Cluster Laerskole Teams Mix 2026 (U13) Details