ARBITER PAGE
Personal
Ferreira, M (Marius)
Chess SA id
164009376FIDE id
14306930Date of birth
1964-04-06Gender
MaleRegion
Tshwane (GTP)Citizen
RSATitles
IAAOC registered
YesFIDE licenced
No| # | Event | Start | End | Rated | Title | Status |
|---|---|---|---|---|---|---|
| 1 | USSA Chess Championships 2025 | 2025-12-03 | 2025-12-03 | 2025-12-24 | IA | Chief Arbiter |
| 2 | 2025 Mzansi Individual Championships | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 3 | 2025 Mzansi Inter Provincial Team Championships | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 4 | Gauteng Inter-Region at Emerald Resort 2025 | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 5 | D4 Development Cup 2025 | 2025-10-17 | 2025-10-17 | 2025-11-19 | IA | Chief Arbiter |
| 6 | 2025 Gauteng Schools Provincial Individual Chess Championship | 2025-09-27 | 2025-09-27 | 2025-10-11 | IA | Chief Arbiter |
| 7 | Tshwane Chess Club Clash 2025 | 2025-09-13 | 2025-09-13 | 2025-09-16 | IA | Chief Arbiter |
| 8 | 2025 Alekhine Open | 2025-09-06 | 2025-09-06 | 2025-09-07 | IA | Chief Arbiter |
| 9 | Rookies Tournament Secunda 2025 | 2025-08-08 | 2025-08-08 | 2025-08-30 | IA | Chief Arbiter |
| 10 | 2025 Tshwane South School District CLOSED League Championship | 2025-08-16 | 2025-08-16 | 2025-08-24 | IA | Chief Arbiter |
| 11 | 2025 Menlo Open | 2025-07-26 | 2025-07-26 | 2025-07-30 | IA | Deputy Chief Arbiter |
| 12 | Centurion Club Closed Chess Tournament 2025 | 2025-05-10 | 2025-05-10 | 2025-05-13 | IA | Chief Arbiter |
| 13 | South African Junior Closed Chess Championships 2025 | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 14 | Lubowski Open 2025 | 2025-03-21 | 2025-03-21 | 2025-03-28 | IA | Chief Arbiter |
| 15 | 2025 KSNG Open | 2025-02-22 | 2025-02-22 | 2025-02-27 | IA | Chief Arbiter |
| 16 | Mzansi Interprovincial Youth Chess Championships 2024 | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 17 | CCC Blitz 2024 | 2024-12-04 | 2024-12-04 | 2024-12-09 | IA | Chief Arbiter |
| 18 | USSA Chess Championships 2024 | 2024-12-01 | 2024-12-01 | 2024-12-09 | IA | Chief Arbiter |
| 19 | Gauteng Inter-Region at UJ 2024 | 2024-12-06 | 2024-12-07 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 20 | CPH Boksburg Open 2024 | 2024-10-26 | 2024-10-26 | 2024-10-27 | IA | Chief Arbiter |
| 21 | Ekurhuleni Trails 3 2024 | 2024-08-24 | 2024-08-24 | 2024-09-05 | IA | Chief Arbiter |
| 22 | 2024 Etienne Lewis | 2024-08-31 | 2024-08-31 | 2024-09-02 | IA | Chief Arbiter |
| 23 | 2024 Jacaranda Round Robin Open Chess Tournament | 2024-08-17 | 2024-08-17 | 2024-08-20 | IA | Deputy Chief Arbiter |
| 24 | D4 Tshwane South District Schools Teams Chess Tournament 2024 | 2024-08-03 | 2024-08-03 | 2024-08-09 | IA | Chief Arbiter |
| 25 | Menlopark Open Chess Tournament 2024 | 2024-07-13 | 2024-07-13 | 2024-07-19 | IA | Arbiter |
| 26 | CUCSA Region VI Games 2024 | 2024-07-09 | 2024-07-11 | 2024-07-19 | IA | Chief Arbiter |
| 27 | 2024 Chess Unlimited Invitational | 2024-07-06 | 2024-07-06 | 2024-07-16 | IA | Chief Arbiter |
| 28 | 2024 Tshwane South School District CLOSED Individual Championships | 2024-05-11 | 2024-05-11 | 2024-05-17 | IA | Deputy Chief Arbiter |
| 29 | 2024 Mid Gauteng Open Chess Tournament | 2024-05-02 | 2024-05-02 | 2024-05-10 | IA | Deputy Chief Arbiter |
| 30 | South African Junior Closed Chess Championship 2024 | 2024-04-27 | 2024-05-01 | 2024-05-09 | IA | Chief Arbiter |
| 31 | USSA Closed Championships 2024 | 2024-04-12 | 2024-04-14 | 2024-04-22 | IA | Chief Arbiter |
| 32 | 2024 Chris Greyling Open Chess Tournament | 2024-03-16 | 2024-03-16 | 2024-03-21 | IA | Deputy Chief Arbiter |
| 33 | 2024 Constantiapark Open | 2024-02-17 | 2024-02-17 | 2024-02-26 | IA | Chief Arbiter |
| 34 | 2024 Tshwane Chess OPEN Registration Tournament | 2024-01-27 | 2024-01-27 | 2024-01-30 | IA | Deputy Chief Arbiter |
| 35 | 2024 Gauteng Inter-Region Chess Championship | 2024-01-13 | 2024-01-14 | 2024-01-22 | IA | Arbiter |
| 36 | CCC Blitz All 2023 | 2023-12-06 | 2023-12-06 | 2023-12-11 | IA | Chief Arbiter |
| 37 | CCC Midstream Rapid 2023 | 2023-11-27 | 2023-11-27 | 2023-11-30 | IA | Chief Arbiter |
| 38 | Africawide Chess Championship 2023 | 2023-11-04 | 2023-11-04 | 2023-11-30 | IA | Deputy Chief Arbiter |
| 39 | 2023 Moja Chess Extravaganza | 2023-10-03 | 2023-10-03 | 2023-10-05 | IA | Deputy Chief Arbiter |
| 40 | 2023 Tuks Open Chess Tournament | 2023-10-07 | 2023-10-07 | 2023-10-15 | IA | Chief Arbiter |
| 41 | 2023 Centurion Chess Open | 2023-09-23 | 2023-09-23 | 2023-09-30 | IA | Chief Arbiter |
| 42 | 2023 Centurion Club Championships | 2023-07-19 | 2023-09-06 | 2023-09-13 | IA | Chief Arbiter |
| 43 | Govin Mbeki Teams Chess Tournament 2023 | 2023-08-18 | 2023-08-18 | 2023-08-24 | IA | Chief Arbiter |
| 44 | 2023 Gauteng North School District CLOSED League Championships | 2023-08-05 | 2023-08-05 | 2023-08-14 | IA | Chief Arbiter |
| 45 | 2023 Tshwane South School District CLOSED League Championship | 2023-07-29 | 2023-07-29 | 2023-07-31 | IA | Chief Arbiter |
| 46 | Wynie Robbertse Open Tournament 2023 | 2023-06-03 | 2023-06-03 | 2023-06-12 | IA | Deputy Chief Arbiter |
| 47 | 2023 2nd Gauteng Universities Chess Tournament | 2023-05-06 | 2023-05-06 | 2023-05-12 | IA | Chief Arbiter |
| 48 | Gauteng Open Arnold Classic 2023 | 2023-05-19 | 2023-05-19 | 2023-05-31 | IA | Chief Arbiter |
| 49 | 2023 Milos Ristic Open Tournament | 2023-04-27 | 2023-04-27 | 2023-04-30 | IA | Chief Arbiter |
| 50 | 2023 Piet Robbertse Fide Rated Open Chess Tournament | 2023-02-04 | 2023-02-04 | 2023-02-10 | IA | Chief Arbiter |
| 51 | 2022 Wynie Robbertse Open | 2022-10-08 | 2022-10-08 | 2022-10-17 | IA | Chief Arbiter |
| 52 | 2022 Etienne Lewis | 2022-09-03 | 2022-09-03 | 2022-09-06 | IA | Chief Arbiter |
| 53 | 2022 Menlo Open Tournament | 2022-07-23 | 2022-07-23 | 2022-07-27 | IA | Deputy Chief Arbiter |
| 54 | 2022 Blou Bul Open | 2022-06-25 | 2022-06-25 | 2022-06-30 | IA | Chief Arbiter |
| 55 | 2022 Centurion Club Championships | 2022-05-11 | 2022-06-22 | 2022-06-30 | IA | Chief Arbiter |
| 56 | 2022 Lubowski Open Tournament | 2022-04-09 | 2022-04-09 | 2022-04-13 | IA | Chief Arbiter |
| 57 | Chessheroes Choo Choo Challenge 2022 | 2022-01-08 | 2022-01-08 | 2022-01-11 | IA | Chief Arbiter |
| 58 | 2022 Tshwane Chess Open Registration Tournament | 2022-01-29 | 2022-01-29 | 2022-01-31 | IA | Chief Arbiter |
| 59 | 2021 CCC Inhouse Blitz | 2021-11-24 | 2021-11-24 | 2021-11-30 | IA | Chief Arbiter |
| 60 | 2021 CCC Inhouse | 2021-10-20 | 2021-11-17 | 2021-11-30 | IA | Chief Arbiter |
| 61 | 2021 Etienne Lewis Closed Trials | 2021-09-24 | 2021-09-24 | 2021-09-26 | IA | Arbiter |
| 62 | 2021 Gauteng North Open Tournament | 2021-08-28 | 2021-08-29 | 2021-08-31 | IA | Chief Arbiter |
| 63 | 2021 Lubowski Open Tournament | 2021-05-01 | 2021-05-02 | 2021-05-07 | IA | Chief Arbiter |
| 64 | 2021 Blou Bul Tournament | 2021-04-10 | 2021-04-10 | 2021-04-15 | IA | Chief Arbiter |
| 65 | 2020 CC Annual Opener | 2020-01-29 | 2020-03-11 | 2020-03-25 | IA | Chief Arbiter |
| 66 | 2020 Tuks Open | 2020-02-22 | 2020-02-22 | 2020-02-26 | IA | Deputy Chief Arbiter |
| 67 | 2020 Piet Robbertse | 2020-01-31 | 2020-02-02 | 2020-02-13 | IA | Chief Arbiter |
| 68 | 2020 Constantiapark Open Chess Tournament | 2020-02-08 | 2020-02-08 | 2020-02-13 | IA | Chief Arbiter |
| 69 | 2019 South African Junior Team Championships | 2020-01-04 | 2020-01-08 | 2020-01-12 | IA | Arbiter |
| 70 | 2019 TC SAJCC Prep Tournament | 2019-11-30 | 2019-11-30 | 2019-11-30 | IA | Chief Arbiter |
| 71 | Matlosana Mall 2019 | 2019-10-04 | 2019-10-04 | 2019-10-06 | IA | Chief Arbiter |
| 72 | 2019 Centurion Chess Tournament | 2019-10-02 | 2019-10-30 | 2019-10-30 | IA | Chief Arbiter |
| 73 | 2019 Centurion Open | 2019-09-28 | 2019-09-28 | 2019-09-30 | IA | Chief Arbiter |
| 74 | 2019 CCC Karl Gstettner Open | 2019-07-10 | 2019-08-21 | 2019-08-31 | IA | Chief Arbiter |
| 75 | 2019 D15 Tshwane West Schools League Final | 2019-08-17 | 2019-08-17 | 2019-08-18 | IA | Chief Arbiter |
| 76 | Ehlanzeni Open 2019 | 2019-07-20 | 2019-07-20 | 2019-07-22 | IA | Deputy Chief Arbiter |
| 77 | 2019 Menlo Open | 2019-07-13 | 2019-07-13 | 2019-07-31 | IA | Deputy Chief Arbiter |
| 78 | 2019 Super 12 Laerskole | 2019-05-04 | 2019-05-04 | 2019-05-28 | IA | Arbiter |
| 79 | 2019 Blou Bul | 2019-02-16 | 2019-02-16 | 2019-02-18 | IA | Chief Arbiter |
| 80 | 2019 Piet Robbertse | 2019-02-02 | 2019-02-03 | 2019-02-05 | IA | Deputy Chief Arbiter |
| 81 | Chess Unlimited Open 2019 | 2019-01-26 | 2019-01-26 | 2019-01-30 | IA | Deputy Chief Arbiter |
| 82 | South African Junior Team Championships 2018 | 2018-12-16 | 2018-12-20 | 2018-12-24 | IA | Arbiter |
| 83 | 2018 Centurion Chess Club Open | 2018-09-29 | 2018-09-29 | 2018-09-30 | IA | Chief Arbiter |
| 84 | 2018 Alekhine Open | 2018-08-11 | 2018-08-11 | 2018-08-17 | IA | Chief Arbiter |
| 85 | 2018 Menlo Open Chess Tournament | 2018-07-21 | 2018-07-21 | 2018-07-30 | IA | Deputy Chief Arbiter |
| 86 | 2018 Chris Greyling Open | 2018-04-21 | 2018-04-21 | 2018-04-23 | IA | Chief Arbiter |
| 87 | 2018 D3 Tshwane North Individual Chess Championships | 2018-03-24 | 2018-03-24 | 2018-03-31 | IA | Chief Arbiter |
| 88 | 2018 Piet Robbertse Chess Tournament | 2018-02-03 | 2018-02-03 | 2018-02-11 | IA | Arbiter |
| 89 | 2018 - D7 High Schools Individuals | 2018-02-24 | 2018-02-24 | 2018-02-27 | IA | Arbiter |
| 90 | 2018 Tshwane Registration Open Chess Tournament | 2018-01-27 | 2018-01-27 | 2018-01-31 | IA | Deputy Chief Arbiter |
| 91 | South African Junior Team Championships 2017 | 2018-01-04 | 2018-01-08 | 2018-01-18 | IA | Arbiter |
| 92 | 2017 Gauteng North Open | 2017-10-21 | 2017-10-22 | 1900-01-01 | FA | Deputy Chief Arbiter |
| 93 | 2017 Gauteng Schools Team Finals | 2017-09-09 | 2017-09-09 | 1900-01-01 | FA | Arbiter |
| 94 | 2017 D3 Tshwane North Team Finals Team | 2017-08-12 | 2017-08-12 | 1900-01-01 | FA | Deputy Chief Arbiter |
| 95 | Lowveld Open Tournament 2017 | 2017-08-26 | 2017-08-26 | 1900-01-01 | FA | Chief Arbiter |
| 96 | Malelane Open Tournament 2017 | 2017-07-29 | 2017-07-29 | 1900-01-01 | FA | Chief Arbiter |
| 97 | Penryn Open Tournament 2017 | 2017-06-24 | 2017-06-24 | 1900-01-01 | FA | Chief Arbiter |
| 98 | 2017 Mid Gauteng Open | 2017-06-03 | 2017-06-03 | 1900-01-01 | FA | Deputy Chief Arbiter |
| 99 | 2017 Gauteng North | 2017-05-20 | 2017-05-20 | 1900-01-01 | FA | Arbiter |
| 100 | 2017 D4 Individuals | 1900-01-01 | 1900-01-01 | 1900-01-01 | FA | Arbiter |
| 101 | 2017 Piet Robbertse | 2017-01-27 | 2017-01-29 | 1900-01-01 | FA | Arbiter |
| 102 | South African Junior Team Championships 2016 | 2016-12-16 | 2016-12-19 | 1900-01-01 | FA | Arbiter |
| 103 | 2016 Thutong Open Chess Tournament Open | 2016-11-19 | 2016-11-19 | 1900-01-01 | FA | Chief Arbiter |
| 104 | 2016 Guateng North Open | 2016-10-15 | 2016-10-15 | 1900-01-01 | FA | Chief Arbiter |
| 105 | Lowveld Open 2016 | 2016-09-10 | 2016-09-10 | 1900-01-01 | FA | Deputy Chief Arbiter |
| 106 | 2016 Tshwane Chess Etienne Lewis Trials | 2016-09-01 | 2016-09-04 | 1900-01-01 | FA | Deputy Chief Arbiter |
| 107 | Lubowski Open Chess Tournament 2016 | 2016-05-21 | 2016-05-21 | 1900-01-01 | FA | Deputy Chief Arbiter |
| 108 | Gauteng Schools D15 Individual Trials 2016 | 2016-04-23 | 2016-04-23 | 1900-01-01 | FA | Deputy Chief Arbiter |
| 109 | Piet Robbertse 2016 | 2016-01-30 | 2016-01-30 | 1900-01-01 | FA | Arbiter |
| 110 | South African Junior Team Championships 2015 | 2016-01-04 | 2016-01-07 | 1900-01-01 | FA | Arbiter |
| 111 | Tshwane Chess - Etienne Lewis | 2015-09-23 | 2015-09-25 | 1900-01-01 | FA | Arbiter |
| 112 | Alekhine Open 2015 | 2015-08-01 | 2015-08-01 | 1900-01-01 | FA | Chief Arbiter |
| 113 | South African Open 2015 | 2015-07-03 | 2015-07-11 | 1900-01-01 | FA | Arbiter |
| 114 | Waterkloof Open | 2015-03-07 | 2015-03-07 | 1900-01-01 | FA | Arbiter |
| 115 | Blou Bul Open | 2015-02-14 | 2015-02-14 | 1900-01-01 | FA | Chief Arbiter |
| 116 | World Youth Chess Championships 2014 | 1900-01-01 | 1900-01-01 | 1900-01-01 | FA | Arbiter |
| 117 | Piet Robbertse 2015 | 2015-01-29 | 2015-02-01 | 1900-01-01 | FA | Deputy Chief Arbiter |
| 118 | Gn Open 2014 | 2014-10-25 | 2014-10-25 | 1900-01-01 | FA | Chief Arbiter |
| 119 | Etienne Lewis | 2014-08-07 | 2014-08-10 | 1900-01-01 | FA | Chief Arbiter |
| 120 | Kcf Lesotho Challenge | 2014-01-09 | 2014-01-12 | 1900-01-01 | FA | Chief Arbiter |
Limited to last 20 events
| # | Event | Start | End | Rated | Title | Status |
|---|---|---|---|---|---|---|
| 1 | USSA Chess Championships 2025 (Open) | 2025-12-01 | 2025-12-05 | 2025-12-24 | IA | Chief Arbiter |
| 2 | USSA Chess Championships 2025 (Ladies) | 2025-12-01 | 2025-12-05 | 2025-12-24 | IA | Chief Arbiter |
| 3 | USSA Chess Championships 2025 (Blitz) | 2025-12-03 | 2025-12-03 | 2025-12-24 | IA | Chief Arbiter |
| 4 | 2025 Mzansi Individual Championships (Adult) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 5 | 2025 Mzansi Individual Championships (U20 Open) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 6 | 2025 Mzansi Individual Championships (U20 Girls) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 7 | 2025 Mzansi Individual Championships (U18 Open) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 8 | 2025 Mzansi Individual Championships (U18 Girls) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 9 | 2025 Mzansi Individual Championships (U16 Open) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 10 | 2025 Mzansi Individual Championships (U16 Girls) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 11 | 2025 Mzansi Individual Championships (U14 Open) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 12 | 2025 Mzansi Individual Championships (U14 Girls) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 13 | 2025 Mzansi Individual Championships (U12 Open) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 14 | 2025 Mzansi Individual Championships (U12 Girls) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 15 | 2025 Mzansi Individual Championships (U10 Open) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 16 | 2025 Mzansi Individual Championships (U10 Girls) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 17 | 2025 Mzansi Individual Championships (U8 Open) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 18 | 2025 Mzansi Individual Championships (U8 Girls) | 2025-12-17 | 2025-12-20 | 2025-12-20 | IA | Fair Play Officer |
| 19 | 2025 Mzansi Inter Provincial Team Championships (Adults) | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 20 | 2025 Mzansi Inter Provincial Team Championships (U20 Open) | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 21 | 2025 Mzansi Inter Provincial Team Championships (U20 Girls) | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 22 | 2025 Mzansi Inter Provincial Team Championships (U18 Open) | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 23 | 2025 Mzansi Inter Provincial Team Championships (U18 Girls) | 2025-12-15 | 2025-12-16 | 2025-12-20 | IA | Fair Play Officer |
| 24 | 2025 Mzansi Inter Provincial Team Championships (U16 Open) | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 25 | 2025 Mzansi Inter Provincial Team Championships (U16 Girls) | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 26 | 2025 Mzansi Inter Provincial Team Championships (U14 Open) | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 27 | 2025 Mzansi Inter Provincial Team Championships (U14 Girls) | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 28 | 2025 Mzansi Inter Provincial Team Championships (U12 Combined) | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 29 | 2025 Mzansi Inter Provincial Team Championships (U10 Combined) | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 30 | 2025 Mzansi Inter Provincial Team Championships (U8 Open) | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 31 | 2025 Mzansi Inter Provincial Team Championships (U8 Girls) | 2025-12-15 | 2025-12-17 | 2025-12-20 | IA | Fair Play Officer |
| 32 | Gauteng Inter-Region at Emerald Resort 2025 (Adults+Seniors) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 33 | Gauteng Inter-Region at Emerald Resort 2025 (U20) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 34 | Gauteng Inter-Region at Emerald Resort 2025 (U18 Championship) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 35 | Gauteng Inter-Region at Emerald Resort 2025 (U16 Championship) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 36 | Gauteng Inter-Region at Emerald Resort 2025 (U16+18 Candidates) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 37 | Gauteng Inter-Region at Emerald Resort 2025 (U16+U18 Girls) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 38 | Gauteng Inter-Region at Emerald Resort 2025 (U14 Championship) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 39 | Gauteng Inter-Region at Emerald Resort 2025 (U14 Candidates) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 40 | Gauteng Inter-Region at Emerald Resort 2025 (U14 Girls) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 41 | Gauteng Inter-Region at Emerald Resort 2025 (U12 Championship) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 42 | Gauteng Inter-Region at Emerald Resort 2025 (U12 Candidates) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 43 | Gauteng Inter-Region at Emerald Resort 2025 (U12 Girls) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 44 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Championship) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 45 | Gauteng Inter-Region at Emerald Resort 2025 (U10 Candidates) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 46 | Gauteng Inter-Region at Emerald Resort 2025 (U8+U10 Girls) | 2025-12-06 | 2025-12-07 | 2025-12-08 | IA | Deputy Chief Arbiter |
| 47 | D4 Development Cup 2025 (U18) | 2025-10-17 | 2025-10-17 | 2025-11-19 | IA | Chief Arbiter |
| 48 | D4 Development Cup 2025 (U13) | 2025-10-17 | 2025-10-17 | 2025-11-19 | IA | Chief Arbiter |
| 49 | D4 Development Cup 2025 (U11) | 2025-10-17 | 2025-10-17 | 2025-11-19 | IA | Chief Arbiter |
| 50 | D4 Development Cup 2025 (U9) | 2025-10-17 | 2025-10-17 | 2025-11-19 | IA | Chief Arbiter |
| 51 | 2025 Gauteng Schools Provincial Individual Chess Championship (U15 Boys) | 2025-09-27 | 2025-09-27 | 2025-10-11 | IA | Chief Arbiter |
| 52 | 2025 Gauteng Schools Provincial Individual Chess Championship (U15 Girls) | 2025-09-27 | 2025-09-27 | 2025-10-11 | IA | Chief Arbiter |
| 53 | 2025 Gauteng Schools Provincial Individual Chess Championship (U13 Boys) | 2025-09-27 | 2025-09-27 | 2025-10-11 | IA | Chief Arbiter |
| 54 | 2025 Gauteng Schools Provincial Individual Chess Championship (U13 Girls) | 2025-09-27 | 2025-09-27 | 2025-10-11 | IA | Chief Arbiter |
| 55 | 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Boys) | 2025-09-27 | 2025-09-27 | 2025-10-11 | IA | Chief Arbiter |
| 56 | 2025 Gauteng Schools Provincial Individual Chess Championship (U11 Girls) | 2025-09-27 | 2025-09-27 | 2025-10-11 | IA | Chief Arbiter |
| 57 | Tshwane Chess Club Clash 2025 (Prestige) | 2025-09-13 | 2025-09-13 | 2025-09-16 | IA | Chief Arbiter |
| 58 | Tshwane Chess Club Clash 2025 (Ladies) | 2025-09-13 | 2025-09-13 | 2025-09-16 | IA | Chief Arbiter |
| 59 | Tshwane Chess Club Clash 2025 (Open) | 2025-09-13 | 2025-09-13 | 2025-09-16 | IA | Chief Arbiter |
| 60 | 2025 Alekhine Open (A) | 2025-09-06 | 2025-09-07 | 2025-09-07 | IA | Chief Arbiter |
| 61 | 2025 Alekhine Open (B) | 2025-09-06 | 2025-09-07 | 2025-09-07 | IA | Chief Arbiter |
| 62 | 2025 Alekhine Open (C) | 2025-09-06 | 2025-09-07 | 2025-09-07 | IA | Chief Arbiter |
| 63 | 2025 Alekhine Open (D) | 2025-09-06 | 2025-09-07 | 2025-09-07 | IA | Chief Arbiter |
| 64 | 2025 Alekhine Open (E) | 2025-09-06 | 2025-09-06 | 2025-09-07 | IA | Chief Arbiter |
| 65 | 2025 Alekhine Open (F) | 2025-09-06 | 2025-09-06 | 2025-09-07 | IA | Chief Arbiter |
| 66 | Rookies Tournament Secunda 2025 (Open) | 2025-08-08 | 2025-08-08 | 2025-08-30 | IA | Chief Arbiter |
| 67 | Rookies Tournament Secunda 2025 (Girls) | 2025-08-08 | 2025-08-08 | 2025-08-30 | IA | Chief Arbiter |
| 68 | Rookies Tournament Secunda 2025 (U13) | 2025-08-08 | 2025-08-08 | 2025-08-30 | IA | Chief Arbiter |
| 69 | Rookies Tournament Secunda 2025 (U11) | 2025-08-08 | 2025-08-08 | 2025-08-30 | IA | Chief Arbiter |
| 70 | Rookies Tournament Secunda 2025 (U9) | 2025-08-08 | 2025-08-08 | 2025-08-30 | IA | Chief Arbiter |
| 71 | 2025 Tshwane South School District CLOSED League Championship (U19A) | 2025-08-16 | 2025-08-16 | 2025-08-24 | IA | Chief Arbiter |
| 72 | 2025 Tshwane South School District CLOSED League Championship (U19B) | 2025-08-16 | 2025-08-16 | 2025-08-24 | IA | Chief Arbiter |
| 73 | 2025 Tshwane South School District CLOSED League Championship (U17A) | 2025-08-16 | 2025-08-16 | 2025-08-24 | IA | Chief Arbiter |
| 74 | 2025 Tshwane South School District CLOSED League Championship (U15A) | 2025-08-16 | 2025-08-16 | 2025-08-24 | IA | Chief Arbiter |
| 75 | 2025 Tshwane South School District CLOSED League Championship (U13A) | 2025-08-15 | 2025-08-15 | 2025-08-24 | IA | Chief Arbiter |
| 76 | 2025 Tshwane South School District CLOSED League Championship (U13B) | 2025-08-15 | 2025-08-15 | 2025-08-24 | IA | Chief Arbiter |
| 77 | 2025 Tshwane South School District CLOSED League Championship (U11A) | 2025-08-15 | 2025-08-15 | 2025-08-24 | IA | Chief Arbiter |
| 78 | 2025 Tshwane South School District CLOSED League Championship (U11B) | 2025-08-15 | 2025-08-15 | 2025-08-24 | IA | Chief Arbiter |
| 79 | 2025 Tshwane South School District CLOSED League Championship (U9A) | 2025-08-15 | 2025-08-15 | 2025-08-24 | IA | Chief Arbiter |
| 80 | 2025 Tshwane South School District CLOSED League Championship (U9B) | 2025-08-15 | 2025-08-15 | 2025-08-24 | IA | Chief Arbiter |
| 81 | 2025 Menlo Open (A) | 2025-07-26 | 2025-07-26 | 2025-07-30 | IA | Deputy Chief Arbiter |
| 82 | 2025 Menlo Open (B) | 2025-07-26 | 2025-07-26 | 2025-07-30 | IA | Deputy Chief Arbiter |
| 83 | 2025 Menlo Open (U14) | 2025-07-26 | 2025-07-26 | 2025-07-30 | IA | Deputy Chief Arbiter |
| 84 | 2025 Menlo Open (U12) | 2025-07-26 | 2025-07-26 | 2025-07-30 | IA | Deputy Chief Arbiter |
| 85 | 2025 Menlo Open (U10) | 2025-07-26 | 2025-07-26 | 2025-07-30 | IA | Deputy Chief Arbiter |
| 86 | 2025 Menlo Open (U8) | 2025-07-26 | 2025-07-26 | 2025-07-30 | IA | Deputy Chief Arbiter |
| 87 | Centurion Club Closed Chess Tournament 2025 | 2025-05-10 | 2025-05-10 | 2025-05-13 | IA | Chief Arbiter |
| 88 | South African Junior Closed Chess Championships 2025 (U20 Open) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 89 | South African Junior Closed Chess Championships 2025 (U20 Girls) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 90 | South African Junior Closed Chess Championships 2025 (U18 Open) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 91 | South African Junior Closed Chess Championships 2025 (U18 Girls) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 92 | South African Junior Closed Chess Championships 2025 (U16 Open) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 93 | South African Junior Closed Chess Championships 2025 (U16 Girls) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 94 | South African Junior Closed Chess Championships 2025 (U14 Open) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 95 | South African Junior Closed Chess Championships 2025 (U14 Girls) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 96 | South African Junior Closed Chess Championships 2025 (U12 Open) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 97 | South African Junior Closed Chess Championships 2025 (U12 Girls) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 98 | South African Junior Closed Chess Championships 2025 (U10 Open) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 99 | South African Junior Closed Chess Championships 2025 (U10 Girls) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 100 | South African Junior Closed Chess Championships 2025 (U8 Open) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 101 | South African Junior Closed Chess Championships 2025 (U8 Girls) | 2025-03-31 | 2025-04-05 | 2025-04-09 | IA | Arbiter |
| 102 | Lubowski Open 2025 (A) | 2025-03-21 | 2025-03-22 | 2025-03-28 | IA | Chief Arbiter |
| 103 | Lubowski Open 2025 (B) | 2025-03-21 | 2025-03-22 | 2025-03-28 | IA | Chief Arbiter |
| 104 | Lubowski Open 2025 (C) | 2025-03-21 | 2025-03-22 | 2025-03-28 | IA | Chief Arbiter |
| 105 | Lubowski Open 2025 (D1) | 2025-03-21 | 2025-03-22 | 2025-03-28 | IA | Chief Arbiter |
| 106 | Lubowski Open 2025 (D2) | 2025-03-21 | 2025-03-22 | 2025-03-28 | IA | Chief Arbiter |
| 107 | Lubowski Open 2025 (E+F) | 2025-03-21 | 2025-03-21 | 2025-03-28 | IA | Chief Arbiter |
| 108 | 2025 KSNG Open (A) | 2025-02-22 | 2025-02-22 | 2025-02-27 | IA | Chief Arbiter |
| 109 | 2025 KSNG Open (B) | 2025-02-22 | 2025-02-22 | 2025-02-27 | IA | Chief Arbiter |
| 110 | 2025 KSNG Open (C) | 2025-02-22 | 2025-02-22 | 2025-02-27 | IA | Chief Arbiter |
| 111 | 2025 KSNG Open (D) | 2025-02-22 | 2025-02-22 | 2025-02-27 | IA | Chief Arbiter |
| 112 | 2025 KSNG Open (U12) | 2025-02-22 | 2025-02-22 | 2025-02-27 | IA | Chief Arbiter |
| 113 | 2025 KSNG Open (U10) | 2025-02-22 | 2025-02-22 | 2025-02-27 | IA | Chief Arbiter |
| 114 | Mzansi Interprovincial Youth Chess Championships 2024 (Adult Open Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 115 | Mzansi Interprovincial Youth Chess Championships 2024 (Adult Ladies Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 116 | Mzansi Interprovincial Youth Chess Championships 2024 (U20 Open Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 117 | Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Championship) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 118 | Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Candidates) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 119 | Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 120 | Mzansi Interprovincial Youth Chess Championships 2024 (U18 Girls Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 121 | Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Championship) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 122 | Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Premier) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 123 | Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Candidates) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 124 | Mzansi Interprovincial Youth Chess Championships 2024 (U16 Open Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 125 | Mzansi Interprovincial Youth Chess Championships 2024 (U16 Girls Championship) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 126 | Mzansi Interprovincial Youth Chess Championships 2024 (U16 Girls Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 127 | Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Championship) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 128 | Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Premier) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 129 | Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Candidates) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 130 | Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open A) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 131 | Mzansi Interprovincial Youth Chess Championships 2024 (U14 Open Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 132 | Mzansi Interprovincial Youth Chess Championships 2024 (U14 Girls Championship) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 133 | Mzansi Interprovincial Youth Chess Championships 2024 (U14 Girls Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 134 | Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Championship) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 135 | Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Premier) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 136 | Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Candidates) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 137 | Mzansi Interprovincial Youth Chess Championships 2024 (U12 Open Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 138 | Mzansi Interprovincial Youth Chess Championships 2024 (U12 Girls Championship) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 139 | Mzansi Interprovincial Youth Chess Championships 2024 (U12 Girls Candidates) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 140 | Mzansi Interprovincial Youth Chess Championships 2024 (U12 Girls Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 141 | Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Championship) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 142 | Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Candidates) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 143 | Mzansi Interprovincial Youth Chess Championships 2024 (U10 Open Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 144 | Mzansi Interprovincial Youth Chess Championships 2024 (U10 Girls Championship) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 145 | Mzansi Interprovincial Youth Chess Championships 2024 (U8 Open Championship) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 146 | Mzansi Interprovincial Youth Chess Championships 2024 (U8 Open Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 147 | Mzansi Interprovincial Youth Chess Championships 2024 (U8+U10 Girls Combined) | 2024-12-16 | 2024-12-19 | 2024-12-27 | IA | Arbiter |
| 148 | CCC Blitz 2024 | 2024-12-04 | 2024-12-04 | 2024-12-09 | IA | Chief Arbiter |
| 149 | USSA Chess Championships 2024 (Open) | 2024-11-29 | 2024-12-03 | 2024-12-09 | IA | Chief Arbiter |
| 150 | USSA Chess Championships 2024 (Ladies) | 2024-11-29 | 2024-12-03 | 2024-12-09 | IA | Chief Arbiter |
| 151 | USSA Chess Championships 2024 (Blitz) | 2024-12-01 | 2024-12-01 | 2024-12-09 | IA | Chief Arbiter |
| 152 | Gauteng Inter-Region at UJ 2024 (Adult+Senior) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 153 | Gauteng Inter-Region at UJ 2024 (U20) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 154 | Gauteng Inter-Region at UJ 2024 (U18 Open) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 155 | Gauteng Inter-Region at UJ 2024 (U18 Candidates) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 156 | Gauteng Inter-Region at UJ 2024 (U16 Open) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 157 | Gauteng Inter-Region at UJ 2024 (U16 Candidates) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 158 | Gauteng Inter-Region at UJ 2024 (U16+U18 Girls) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 159 | Gauteng Inter-Region at UJ 2024 (U14 Open) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 160 | Gauteng Inter-Region at UJ 2024 (U14 Candidates) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 161 | Gauteng Inter-Region at UJ 2024 (U14 Girls) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 162 | Gauteng Inter-Region at UJ 2024 (U12 Open) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 163 | Gauteng Inter-Region at UJ 2024 (U12 Candidates) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 164 | Gauteng Inter-Region at UJ 2024 (U12 Girls) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 165 | Gauteng Inter-Region at UJ 2024 (U10 Open) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 166 | Gauteng Inter-Region at UJ 2024 (U10 Candidates) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 167 | Gauteng Inter-Region at UJ 2024 (u10 gIRLS) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 168 | Gauteng Inter-Region at UJ 2024 (U8 Open) | 2024-12-07 | 2024-12-08 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 169 | Gauteng Inter-Region at UJ 2024 (U8 Mixed) | 2024-12-06 | 2024-12-07 | 2024-12-09 | IA | Deputy Chief Arbiter |
| 170 | CPH Boksburg Open 2024 (Prestige 1) | 2024-10-25 | 2024-10-26 | 2024-10-27 | IA | Chief Arbiter |
| 171 | CPH Boksburg Open 2024 (Prestige 2) | 2024-10-25 | 2024-10-26 | 2024-10-27 | IA | Chief Arbiter |
| 172 | CPH Boksburg Open 2024 (A) | 2024-10-25 | 2024-10-26 | 2024-10-27 | IA | Chief Arbiter |
| 173 | CPH Boksburg Open 2024 (B) | 2024-10-26 | 2024-10-26 | 2024-10-27 | IA | Chief Arbiter |
| 174 | CPH Boksburg Open 2024 (C) | 2024-10-26 | 2024-10-26 | 2024-10-27 | IA | Chief Arbiter |
| 175 | CPH Boksburg Open 2024 (D) | 2024-10-26 | 2024-10-26 | 2024-10-27 | IA | Chief Arbiter |