Mark Heimann
Country
USA
Birth Year
1993
Gender
M
Title
Grandmaster
FIDE ID
2028441
FIDE Rating
2518
FIDE Rating Graph
Games
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2026-01-04 | Cornerstone NY Swiss 2026 | Sunnyvale USA | 5.4 | Rohan Rajaram | Mark Heimann | 0-1 | 65 | Open |
| 2 | 2026-01-04 | Cornerstone NY Swiss 2026 | Sunnyvale USA | 4.1 | Aleksey Sorokin | Mark Heimann | 1-0 | 34 | Open |
| 3 | 2026-01-03 | Cornerstone NY Swiss 2026 | Sunnyvale USA | 3.3 | Mark Heimann | Rushaan Mahajan | 1-0 | 57 | Open |
| 4 | 2026-01-03 | Cornerstone NY Swiss 2026 | Sunnyvale USA | 2.2 | Teemu Virtanen | Mark Heimann | 1/2-1/2 | 65 | Open |
| 5 | 2026-01-02 | Cornerstone NY Swiss 2026 | Sunnyvale USA | 1.3 | Mark Heimann | Vishva Nanugonda | 1-0 | 42 | Open |
| 6 | 2025-11-30 | American Open 2025 | Garden Grove, CA USA | 9.3 | Mark Heimann | Maili-Jade Ouellet | 1-0 | 44 | Open |
| 7 | 2025-11-29 | American Open 2025 | Garden Grove, CA USA | 8.3 | Hanchi Yao | Mark Heimann | 0-1 | 74 | Open |
| 8 | 2025-11-29 | American Open 2025 | Garden Grove, CA USA | 7.1 | Mark Heimann | Arman Mikaelyan | 0-1 | 52 | Open |
| 9 | 2025-11-28 | American Open 2025 | Garden Grove, CA USA | 6.2 | Saksham Rautela | Mark Heimann | 0-1 | 48 | Open |
| 10 | 2025-11-28 | American Open 2025 | Garden Grove, CA USA | 5.2 | Mark Heimann | Karolis Juksta | 1/2-1/2 | 56 | Open |
| 11 | 2025-11-27 | American Open 2025 | Garden Grove, CA USA | 4.2 | Ann Chumpitaz | Mark Heimann | 0-1 | 56 | Open |
| 12 | 2025-11-27 | American Open 2025 | Garden Grove, CA USA | 3.1 | Mark Heimann | Dylan Tang | 1/2-1/2 | 35 | Open |
| 13 | 2025-11-26 | American Open 2025 | Garden Grove, CA USA | 2.1 | Irina Utiatskaja | Mark Heimann | 0-1 | 37 | Open |
| 14 | 2025-11-25 | American Open 2025 | Garden Grove, CA USA | 1.1 | Mark Heimann | Glenn Zhang | 1-0 | 35 | Open |
| 15 | 2025-08-04 | 34th Kavala Open 2025 | Kavala GRE | 9.7 | Gediz Avsar | Mark Heimann | 1/2-1/2 | 51 | Open |
| 16 | 2025-08-02 | 34th Kavala Open 2025 | Kavala GRE | 7.2 | Mark Heimann | Kacper Drozdowski | 1/2-1/2 | 49 | Open |
| 17 | 2025-08-01 | 34th Kavala Open 2025 | Kavala GRE | 6.1 | Aaryan Varshney | Mark Heimann | 1/2-1/2 | 20 | Open |
| 18 | 2025-07-31 | 34th Kavala Open 2025 | Kavala GRE | 5.4 | Mark Heimann | Aaron Jacobson | 1-0 | 67 | Open |
| 19 | 2025-07-30 | 34th Kavala Open 2025 | Kavala GRE | 4.2 | Qingfeng Cao | Mark Heimann | 1/2-1/2 | 31 | Open |
| 20 | 2025-07-29 | 34th Kavala Open 2025 | Kavala GRE | 3.2 | Mark Heimann | Rosh Jain | 1-0 | 48 | Open |
| 21 | 2025-07-29 | 34th Kavala Open 2025 | Kavala GRE | 2.7 | Georgios Ketzetzis | Mark Heimann | 0-1 | 34 | Open |
| 22 | 2025-07-28 | 34th Kavala Open 2025 | Kavala GRE | 1.1 | Mark Heimann | Lizaveta Liashkevich | 1-0 | 33 | Open |
| 23 | 2024-12-30 | 34th North American Open | Las Vegas USA | 9.7 | Yan Liu | Mark Heimann | 1/2-1/2 | 36 | Open |
| 24 | 2024-12-29 | 34th North American Open | Las Vegas USA | 8.5 | Mark Heimann | Jianchao Zhou | 1/2-1/2 | 25 | Open |
| 25 | 2024-12-29 | 34th North American Open | Las Vegas USA | 7.9 | Mark Heimann | Naveen Prabhu | 1-0 | 41 | Open |
| 26 | 2024-12-28 | 34th North American Open | Las Vegas USA | 6.2 | John M Burke | Mark Heimann | 1-0 | 60 | Open |
| 27 | 2024-12-28 | 34th North American Open | Las Vegas USA | 5.1 | Mark Heimann | Ryan Amburgy | 1-0 | 53 | Open |
| 28 | 2024-12-27 | 34th North American Open | Las Vegas USA | 4.5 | Evan Park | Mark Heimann | 1/2-1/2 | 24 | Open |
| 29 | 2024-12-27 | 34th North American Open | Las Vegas USA | 3.4 | Mark Heimann | Zoey Tang | 1/2-1/2 | 136 | Open |
| 30 | 2024-12-26 | 34th North American Open | Las Vegas USA | 2.1 | Sung Ho Yim | Mark Heimann | 0-1 | 40 | Open |
| 31 | 2024-12-07 | Saint Louis Masters 2024 | Saint Louis USA | 9.6 | Ivan Saric | Mark Heimann | 1-0 | 25 | Open |
| 32 | 2024-12-06 | Saint Louis Masters 2024 | Saint Louis USA | 8.3 | Mark Heimann | Ray Robson | 1/2-1/2 | 28 | Open |
| 33 | 2024-12-06 | Saint Louis Masters 2024 | Saint Louis USA | 7.1 | Fabiano Caruana | Mark Heimann | 1-0 | 38 | Open |
| 34 | 2024-12-05 | Saint Louis Masters 2024 | Saint Louis USA | 6.5 | Mark Heimann | Nikolas Theodorou | 1-0 | 25 | Open |
| 35 | 2024-12-05 | Saint Louis Masters 2024 | Saint Louis USA | 5.3 | Aram Hakobyan | Mark Heimann | 1/2-1/2 | 47 | Open |
| 36 | 2024-12-04 | Saint Louis Masters 2024 | Saint Louis USA | 4.12 | Mark Heimann | Viktor Matviishen | 1-0 | 47 | Open |
| 37 | 2024-12-04 | Saint Louis Masters 2024 | Saint Louis USA | 3.9 | Mark Heimann | Abhimanyu Mishra | 1/2-1/2 | 21 | Open |
| 38 | 2024-12-03 | Saint Louis Masters 2024 | Saint Louis USA | 2.8 | Illya Nyzhnyk | Mark Heimann | 1/2-1/2 | 14 | Open |
| 39 | 2024-12-03 | Saint Louis Masters 2024 | Saint Louis USA | 1.6 | Grigoriy Oparin | Mark Heimann | 0-1 | 53 | Open |
| 40 | 2024-12-01 | US Chess Masters 2024 | Charlotte USA | 9.1 | Mark Heimann | Fabiano Caruana | 0-1 | 50 | Open |
| 41 | 2024-12-01 | US Chess Masters 2024 | Charlotte USA | 8.6 | Mikhail Al. Antipov | Mark Heimann | 0-1 | 59 | Open |
| 42 | 2024-11-30 | US Chess Masters 2024 | Charlotte USA | 7.15 | Mark Heimann | Yair Parkhov | 1-0 | 119 | Open |
| 43 | 2024-11-30 | US Chess Masters 2024 | Charlotte USA | 6.11 | Robby Kevlishvili | Mark Heimann | 1/2-1/2 | 67 | Open |
| 44 | 2024-11-29 | US Chess Masters 2024 | Charlotte USA | 5.7 | Mark Heimann | Illya Nyzhnyk | 1/2-1/2 | 15 | Open |
| 45 | 2024-11-29 | US Chess Masters 2024 | Charlotte USA | 4.11 | Olexandr Bortnyk | Mark Heimann | 0-1 | 53 | Open |
| 46 | 2024-10-06 | 1000GM Oct GpA | San Jose CA USA | 5.4 | Mark Heimann | Aditya Arutla | 1/2-1/2 | 20 | Open |
| 47 | 2024-10-06 | 1000GM Oct GpA | San Jose CA USA | 4.4 | Mark Heimann | Steve Wongso | 1-0 | 69 | Open |
| 48 | 2024-10-05 | 1000GM Oct GpA | San Jose CA USA | 3.4 | Rohan Rajaram | Mark Heimann | 0-1 | 68 | Open |
| 49 | 2024-10-05 | 1000GM Oct GpA | San Jose CA USA | 2.4 | Mark Heimann | Ethan Guo | 1/2-1/2 | 30 | Open |
| 50 | 2024-10-04 | 1000GM Oct GpA | San Jose CA USA | 1.4 | Rose Atwell | Mark Heimann | 0-1 | 46 | Open |
| 51 | 2024-08-30 | 25th Sants Open 2024 | Barcelona ESP | 8.16 | Laurence E Webb | Mark Heimann | 1-0 | 67 | Open |
| 52 | 2024-08-28 | 25th Sants Open 2024 | Barcelona ESP | 6.15 | Leo Valle Luis | Mark Heimann | 1-0 | 44 | Open |
| 53 | 2024-08-27 | 25th Sants Open 2024 | Barcelona ESP | 5.3 | Mark Heimann | Kacper Piorun | 0-1 | 63 | Open |
| 54 | 2024-08-26 | 25th Sants Open 2024 | Barcelona ESP | 4.11 | Mark Heimann | Vicent Serrano Batova | 1-0 | 60 | Open |
| 55 | 2024-08-25 | 25th Sants Open 2024 | Barcelona ESP | 3.15 | Stamatis Argiroudis | Mark Heimann | 0-1 | 46 | Open |
| 56 | 2024-08-24 | 25th Sants Open 2024 | Barcelona ESP | 2.17 | Mark Heimann | Marcal Gomez Navais | 1-0 | 41 | Open |
| 57 | 2024-08-13 | 11th Washington Int 2024 | Rockville USA | 8.12 | Mark Heimann | Joseph Zeltsan | 1-0 | 43 | Open |
| 58 | 2024-08-13 | 11th Washington Int 2024 | Rockville USA | 7.6 | Karen H. Grigoryan | Mark Heimann | 1-0 | 41 | Open |
| 59 | 2024-08-12 | 11th Washington Int 2024 | Rockville USA | 6.12 | Mark Heimann | Megan Althea Paragua | 1-0 | 50 | Open |
| 60 | 2024-08-12 | 11th Washington Int 2024 | Rockville USA | 5.5 | Jianchao Zhou | Mark Heimann | 1/2-1/2 | 50 | Open |
| 61 | 2024-08-11 | 11th Washington Int 2024 | Rockville USA | 4.14 | Aryan Gutla | Mark Heimann | 0-1 | 47 | Open |
| 62 | 2024-08-11 | 11th Washington Int 2024 | Rockville USA | 3.4 | Mark Heimann | John M Burke | 0-1 | 42 | Open |
| 63 | 2024-06-09 | National Open 2024 | Las Vegas USA | 9.5 | Rahul Srivatshav P | Mark Heimann | 1-0 | 60 | Open |
| 64 | 2024-06-09 | National Open 2024 | Las Vegas USA | 8.4 | Mark Heimann | Varuzhan Akobian | 1-0 | 47 | Open |
| 65 | 2024-06-08 | National Open 2024 | Las Vegas USA | 7.24 | Filip Pancevski | Mark Heimann | 0-1 | 50 | Open |
| 66 | 2024-06-08 | National Open 2024 | Las Vegas USA | 6.27 | Mark Heimann | Samrug Narayanan | 1-0 | 91 | Open |
| 67 | 2024-06-07 | National Open 2024 | Las Vegas USA | 5.7 | Jingyao Tin | Mark Heimann | 1-0 | 50 | Open |
| 68 | 2024-06-07 | National Open 2024 | Las Vegas USA | 4.3 | Mark Heimann | Dean Ippolito | 1-0 | 35 | Open |
| 69 | 2024-06-06 | National Open 2024 | Las Vegas USA | 3.29 | Luis Carlos Torres Rosas | Mark Heimann | 0-1 | 51 | Open |
| 70 | 2024-06-06 | National Open 2024 | Las Vegas USA | 2.18 | Mark Heimann | Rose Atwell | 0-1 | 58 | Open |
| 71 | 2024-06-05 | National Open 2024 | Las Vegas USA | 1.23 | Gokhale Rishabh Chandrashekhar | Mark Heimann | 0-1 | 37 | Open |
| 72 | 2024-05-27 | 1000GM Memorial Day 2024 | San Francisco USA | 9.3 | Mark Heimann | Rahul Srivatshav P | 1/2-1/2 | 37 | Open |
| 73 | 2024-05-27 | 1000GM Memorial Day 2024 | San Francisco USA | 8.2 | Vojtech Plat | Mark Heimann | 1/2-1/2 | 24 | Open |
| 74 | 2024-05-26 | 1000GM Memorial Day 2024 | San Francisco USA | 7.7 | Gabriel James Koop Bick | Mark Heimann | 0-1 | 31 | Open |
| 75 | 2024-05-26 | 1000GM Memorial Day 2024 | San Francisco USA | 6.1 | Mark Heimann | Josiah Stearman | 0-1 | 39 | Open |
| 76 | 2024-05-25 | 1000GM Memorial Day 2024 | San Francisco USA | 5.1 | Mark Heimann | Joshua Sheng | 1/2-1/2 | 62 | Open |
| 77 | 2024-05-25 | 1000GM Memorial Day 2024 | San Francisco USA | 4.6 | Vladimir Georgiev | Mark Heimann | 0-1 | 39 | Open |
| 78 | 2024-05-24 | 1000GM Memorial Day 2024 | San Francisco USA | 3.8 | Mark Heimann | Shaashwath Sivakumar | 1-0 | 22 | Open |
| 79 | 2024-05-24 | 1000GM Memorial Day 2024 | San Francisco USA | 2.13 | Rishabh Chinni | Mark Heimann | 0-1 | 26 | Open |
| 80 | 2024-05-23 | 1000GM Memorial Day 2024 | San Francisco USA | 1.9 | Mark Heimann | Aditya Arutla | 1/2-1/2 | 51 | Open |
| 81 | 2024-05-12 | 1000GM May GpA | Sunnyvale USA | 5.1 | Mark Heimann | Dylan Tang | 1-0 | 40 | Open |
| 82 | 2024-05-12 | 1000GM May GpA | Sunnyvale USA | 4.1 | Paul Y Iinuma | Mark Heimann | 0-1 | 33 | Open |
| 83 | 2024-05-11 | 1000GM May GpA | Sunnyvale USA | 3.1 | Mark Heimann | Rose Atwell | 1/2-1/2 | 40 | Open |
| 84 | 2024-05-11 | 1000GM May GpA | Sunnyvale USA | 2.1 | Sebastian Suarez | Mark Heimann | 0-1 | 52 | Open |
| 85 | 2024-05-11 | 1000GM May GpA | Sunnyvale USA | 1.1 | Mark Heimann | Nathan Yan | 1-0 | 27 | Open |
| 86 | 2024-04-21 | 1000GM April Gp1 | San Jose CA USA | 5.5 | Shaaketh Sivakumar | Mark Heimann | 0-1 | 39 | Open |
| 87 | 2024-04-21 | 1000GM April Gp1 | San Jose CA USA | 4.1 | Mark Heimann | Rose Atwell | 1/2-1/2 | 72 | Open |
| 88 | 2024-04-03 | III Menorca Open 2024 | Ciutadella de Menorca ESP | 2.7 | Alan Pichot | Mark Heimann | 1-0 | 51 | Open |
| 89 | 2024-04-01 | 8th Semana Santa Alicante | San Vicente ESP | 9.5 | Tong(QD) Xiao | Mark Heimann | 1/2-1/2 | 18 | Open |
| 90 | 2024-03-31 | 8th Semana Santa Alicante | San Vicente ESP | 8.1 | Mark Heimann | Abel Lazaro Pujol | 1-0 | 31 | Open |
| 91 | 2024-03-31 | 8th Semana Santa Alicante | San Vicente ESP | 7.1 | Kirill Alekseenko | Mark Heimann | 1-0 | 33 | Open |
| 92 | 2024-03-30 | 8th Semana Santa Alicante | San Vicente ESP | 6.4 | Mark Heimann | Denis Makhnev | 1-0 | 17 | Open |
| 93 | 2024-03-29 | 8th Semana Santa Alicante | San Vicente ESP | 5.7 | Mark Heimann | Pier Luigi Basso | 1-0 | 58 | Open |
| 94 | 2024-03-29 | 8th Semana Santa Alicante | San Vicente ESP | 4.2 | Vasyl Ivanchuk | Mark Heimann | 1/2-1/2 | 14 | Open |
| 95 | 2024-03-10 | 1000GM Mar Schev Gp1 | Santa Clara, CA USA | 5.3 | Mark Heimann | Rose Atwell | 1-0 | 69 | Open |
| 96 | 2024-03-10 | 1000GM Mar Schev Gp1 | Santa Clara, CA USA | 4.4 | Ethan Guo | Mark Heimann | 1/2-1/2 | 43 | Open |
| 97 | 2024-03-09 | 1000GM Mar Schev Gp1 | Santa Clara, CA USA | 3.5 | Nathan Yan | Mark Heimann | 0-1 | 51 | Open |
| 98 | 2024-03-09 | 1000GM Mar Schev Gp1 | Santa Clara, CA USA | 2.1 | Mark Heimann | Shelev Oberoi | 1-0 | 0 | Open |
| 99 | 2024-03-09 | 1000GM Mar Schev Gp1 | Santa Clara, CA USA | 1.2 | Aditya Arutla | Mark Heimann | 1/2-1/2 | 63 | Open |
| 100 | 2023-12-07 | 4th elllobregat Open 2023 | Sant Boi ESP | 8.42 | Mark Heimann | Akbarali Abdukhakimov | 0-1 | 33 | Open |
| 101 | 2023-12-06 | 4th elllobregat Open 2023 | Sant Boi ESP | 7.4 | Savitha Shri B | Mark Heimann | 1-0 | 48 | Open |
| 102 | 2023-12-05 | 4th elllobregat Open 2023 | Sant Boi ESP | 6.46 | Mark Heimann | Antonio Torrecillas Martinez | 1-0 | 62 | Open |
| 103 | 2023-12-04 | 4th elllobregat Open 2023 | Sant Boi ESP | 5.65 | Ismael Amador Garcia | Mark Heimann | 0-1 | 37 | Open |
| 104 | 2023-12-03 | 4th elllobregat Open 2023 | Sant Boi ESP | 4.65 | Mark Heimann | Carles Martin Barcelo | 1/2-1/2 | 36 | Open |
| 105 | 2023-12-02 | 4th elllobregat Open 2023 | Sant Boi ESP | 3.47 | Khagan Ahmad | Mark Heimann | 1-0 | 104 | Open |
| 106 | 2023-12-01 | 4th elllobregat Open 2023 | Sant Boi ESP | 2.2 | Mark Heimann | Kirill Alekseenko | 0-1 | 42 | Open |
| 107 | 2023-11-30 | 4th elllobregat Open 2023 | Sant Boi ESP | 1.61 | Marius Gramb | Mark Heimann | 0-1 | 32 | Open |
| 108 | 2023-11-26 | US Chess Masters 2023 | Charlotte USA | 9.9 | Guillermo Vazquez | Mark Heimann | 1-0 | 38 | Open |
| 109 | 2023-11-26 | US Chess Masters 2023 | Charlotte USA | 8.17 | Jingyao Tin | Mark Heimann | 1/2-1/2 | 56 | Open |
| 110 | 2023-11-25 | US Chess Masters 2023 | Charlotte USA | 7.13 | Mark Heimann | Dambasuren Batsuren | 1/2-1/2 | 36 | Open |
| 111 | 2023-11-25 | US Chess Masters 2023 | Charlotte USA | 6.15 | Lazaro Bruzon Batista | Mark Heimann | 0-1 | 71 | Open |
| 112 | 2023-11-24 | US Chess Masters 2023 | Charlotte USA | 5.9 | Mark Heimann | Titas Stremavicius | 1/2-1/2 | 30 | Open |
| 113 | 2023-11-24 | US Chess Masters 2023 | Charlotte USA | 4.15 | Tanguy Ringoir | Mark Heimann | 1/2-1/2 | 30 | Open |
| 114 | 2023-11-23 | US Chess Masters 2023 | Charlotte USA | 3.3 | Mark Heimann | John M Burke | 1/2-1/2 | 61 | Open |
| 115 | 2023-11-06 | 1000GM Nov GM 2023 | Fort Lauderdale USA | 9.5 | Robby Kevlishvili | Mark Heimann | 1-0 | 57 | Open |
| 116 | 2023-11-06 | 1000GM Nov GM 2023 | Fort Lauderdale USA | 8.2 | Mark Heimann | Jakub Fus | 1/2-1/2 | 69 | Open |
| 117 | 2023-11-05 | 1000GM Nov GM 2023 | Fort Lauderdale USA | 7.4 | Kostya Kavutskiy | Mark Heimann | 0-1 | 25 | Open |
| 118 | 2023-11-05 | 1000GM Nov GM 2023 | Fort Lauderdale USA | 6.3 | Mark Heimann | Josiah Stearman | 0-1 | 63 | Open |
| 119 | 2023-11-04 | 1000GM Nov GM 2023 | Fort Lauderdale USA | 5.3 | Alexander Fishbein | Mark Heimann | 0-1 | 35 | Open |
| 120 | 2023-11-04 | 1000GM Nov GM 2023 | Fort Lauderdale USA | 4.4 | Mark Heimann | Luka Budisavljevic | 1/2-1/2 | 66 | Open |
| 121 | 2023-11-03 | 1000GM Nov GM 2023 | Fort Lauderdale USA | 3.2 | Bach Ngo | Mark Heimann | 1-0 | 37 | Open |
| 122 | 2023-11-03 | 1000GM Nov GM 2023 | Fort Lauderdale USA | 2.5 | Mark Heimann | Ekin Baris Ozenir | 1-0 | 30 | Open |
| 123 | 2023-11-02 | 1000GM Nov GM 2023 | Fort Lauderdale USA | 1.1 | Joshua Posthuma | Mark Heimann | 1/2-1/2 | 33 | Open |
| 124 | 2023-09-04 | Silicon Valley Fall | Sunnyvale USA | 8.12 | Mark Heimann | Cemil Can Ali Marandi | 1/2-1/2 | 36 | Open |
| 125 | 2023-09-03 | Silicon Valley Fall | Sunnyvale USA | 7.6 | Mikhail Al. Antipov | Mark Heimann | 1-0 | 35 | Open |
| 126 | 2023-09-03 | Silicon Valley Fall | Sunnyvale USA | 6.1 | Mark Heimann | Raja Harshit | 1/2-1/2 | 60 | Open |
| 127 | 2023-09-02 | Silicon Valley Fall | Sunnyvale USA | 5.6 | Giorgi Margvelashvili | Mark Heimann | 1/2-1/2 | 55 | Open |
| 128 | 2023-09-02 | Silicon Valley Fall | Sunnyvale USA | 4.15 | Mark Heimann | Henry Deng | 1-0 | 59 | Open |
| 129 | 2023-09-01 | Silicon Valley Fall | Sunnyvale USA | 3.15 | Jiangwei Yu | Mark Heimann | 0-1 | 49 | Open |
| 130 | 2023-09-01 | Silicon Valley Fall | Sunnyvale USA | 2.7 | Mark Heimann | Viktor Matviishen | 0-1 | 21 | Open |
| 131 | 2023-08-31 | Silicon Valley Fall | Sunnyvale USA | 1.25 | Niko Pompe | Mark Heimann | 0-1 | 28 | Open |
| 132 | 2023-08-06 | 1000GM Aug GM 2023 | Fort Lauderdale USA | 9.1 | Vladimir Georgiev | Mark Heimann | 1/2-1/2 | 6 | Open |
| 133 | 2023-08-06 | 1000GM Aug GM 2023 | Fort Lauderdale USA | 8.1 | Mark Heimann | Sam Schmakel | 1-0 | 39 | Open |
| 134 | 2023-08-05 | 1000GM Aug GM 2023 | Fort Lauderdale USA | 7.1 | G. Petar Arnaudov | Mark Heimann | 0-1 | 72 | Open |
| 135 | 2023-08-05 | 1000GM Aug GM 2023 | Fort Lauderdale USA | 6.1 | Mark Heimann | Terry Luo | 1-0 | 43 | Open |
| 136 | 2023-08-04 | 1000GM Aug GM 2023 | Fort Lauderdale USA | 5.1 | Harshid Kunka | Mark Heimann | 1-0 | 69 | Open |
| 137 | 2023-08-04 | 1000GM Aug GM 2023 | Fort Lauderdale USA | 4.1 | Mark Heimann | Nikola Mitkov | 0-1 | 68 | Open |
| 138 | 2023-08-03 | 1000GM Aug GM 2023 | Fort Lauderdale USA | 3.1 | Aaron Jacobson | Mark Heimann | 1/2-1/2 | 49 | Open |
| 139 | 2023-08-03 | 1000GM Aug GM 2023 | Fort Lauderdale USA | 2.1 | Mark Heimann | Ezra Paul Chambers | 1-0 | 73 | Open |
| 140 | 2023-08-02 | 1000GM Aug GM 2023 | Fort Lauderdale USA | 1.1 | Mark Heimann | Maximillian Lu | 1/2-1/2 | 59 | Open |
| 141 | 2023-06-18 | National Open 2023 | Las Vegas USA | 8.14 | Mark Heimann | Teddie Wen | 1-0 | 54 | Open |
| 142 | 2023-06-17 | National Open 2023 | Las Vegas USA | 6.14 | Mark Heimann | Aryan Gutla | 0-1 | 74 | Open |
| 143 | 2023-06-16 | National Open 2023 | Las Vegas USA | 5.12 | Alexander Costello | Mark Heimann | 1/2-1/2 | 45 | Open |
| 144 | 2023-06-16 | National Open 2023 | Las Vegas USA | 4.6 | Mark Heimann | Semen Khanin | 1/2-1/2 | 31 | Open |
| 145 | 2023-06-15 | National Open 2023 | Las Vegas USA | 3.12 | Evan Ai | Mark Heimann | 1/2-1/2 | 67 | Open |
| 146 | 2023-06-15 | National Open 2023 | Las Vegas USA | 2.18 | Mark Heimann | Henry Deng | 1-0 | 58 | Open |
| 147 | 2023-06-14 | National Open 2023 | Las Vegas USA | 1.25 | Sho Glashausser | Mark Heimann | 0-1 | 34 | Open |
| 148 | 2023-06-11 | CAN Transnational Classic | Montreal CAN | 9.3 | Mateusz Bartel | Mark Heimann | 1-0 | 40 | Open |
| 149 | 2023-06-11 | CAN Transnational Classic | Montreal CAN | 8.6 | Mark Heimann | Arturs Neiksans | 1-0 | 42 | Open |
| 150 | 2023-06-10 | CAN Transnational Classic | Montreal CAN | 7.9 | Mark Heimann | Cristhian Cruz | 1-0 | 32 | Open |
| 151 | 2023-06-10 | CAN Transnational Classic | Montreal CAN | 6.8 | Nikita Meshkovs | Mark Heimann | 1/2-1/2 | 40 | Open |
| 152 | 2023-06-09 | CAN Transnational Classic | Montreal CAN | 5.16 | Mark Heimann | Koosha Jaferian | 1-0 | 55 | Open |
| 153 | 2023-06-09 | CAN Transnational Classic | Montreal CAN | 4.8 | Razvan Preotu | Mark Heimann | 1-0 | 37 | Open |
| 154 | 2023-06-08 | CAN Transnational Classic | Montreal CAN | 3.3 | Mark Heimann | Awonder Liang | 0-1 | 38 | Open |
| 155 | 2023-06-07 | CAN Transnational Classic | Montreal CAN | 2.1 | Isan Reynaldo Ortiz Suarez | Mark Heimann | 0-1 | 41 | Open |
| 156 | 2023-06-06 | CAN Transnational Classic | Montreal CAN | 1.24 | Mark Heimann | Donald Johnson | 1-0 | 43 | Open |
| 157 | 2023-02-26 | 1000GM LA GM 2023 | Los Angeles USA | 9.1 | Justin Wang | Mark Heimann | 1/2-1/2 | 33 | Open |
| 158 | 2023-02-25 | 1000GM LA GM 2023 | Los Angeles USA | 8.2 | Mark Heimann | Robert Shlyakhtenko | 0-1 | 31 | Open |
| 159 | 2023-02-25 | 1000GM LA GM 2023 | Los Angeles USA | 7.3 | Robby Kevlishvili | Mark Heimann | 1/2-1/2 | 0 | Open |
| 160 | 2023-02-24 | 1000GM LA GM 2023 | Los Angeles USA | 6.1 | Mark Heimann | Luka Budisavljevic | 1-0 | 31 | Open |
| 161 | 2023-02-24 | 1000GM LA GM 2023 | Los Angeles USA | 5.1 | Joseph Levine | Mark Heimann | 1-0 | 54 | Open |
| 162 | 2023-02-23 | 1000GM LA GM 2023 | Los Angeles USA | 4.2 | Mark Heimann | Carlos Sandoval Mercado | 1-0 | 54 | Open |
| 163 | 2023-02-23 | 1000GM LA GM 2023 | Los Angeles USA | 3.2 | Mark Heimann | Kostya Kavutskiy | 1/2-1/2 | 50 | Open |
| 164 | 2023-02-22 | 1000GM LA GM 2023 | Los Angeles USA | 2.2 | Josiah Stearman | Mark Heimann | 1/2-1/2 | 57 | Open |
| 165 | 2023-02-22 | 1000GM LA GM 2023 | Los Angeles USA | 1.2 | Mark Heimann | Arman Mikaelyan | 0-1 | 53 | Open |
| 166 | 2022-12-11 | 1000GM Bay Area GM 2022 | San Jose CA USA | 9.2 | Max Gedajlovic | Mark Heimann | 1/2-1/2 | 4 | Open |
| 167 | 2022-12-11 | 1000GM Bay Area GM 2022 | San Jose CA USA | 8.5 | Mark Heimann | Emilio Cordova | 1/2-1/2 | 6 | Open |
| 168 | 2022-12-10 | 1000GM Bay Area GM 2022 | San Jose CA USA | 7.1 | Mark Heimann | Vladimir Belous | 1/2-1/2 | 6 | Open |
| 169 | 2022-12-10 | 1000GM Bay Area GM 2022 | San Jose CA USA | 6.5 | Aleksandr Ostrovskiy | Mark Heimann | 1/2-1/2 | 25 | Open |
| 170 | 2022-12-09 | 1000GM Bay Area GM 2022 | San Jose CA USA | 5.2 | Mark Heimann | Josiah Stearman | 1/2-1/2 | 52 | Open |
| 171 | 2022-12-09 | 1000GM Bay Area GM 2022 | San Jose CA USA | 4.4 | Alexander Katz | Mark Heimann | 1-0 | 40 | Open |
| 172 | 2022-12-08 | 1000GM Bay Area GM 2022 | San Jose CA USA | 3.3 | Mark Heimann | Harshid Kunka | 1-0 | 45 | Open |
| 173 | 2022-12-08 | 1000GM Bay Area GM 2022 | San Jose CA USA | 2.3 | Samrug Narayanan | Mark Heimann | 0-1 | 65 | Open |
| 174 | 2022-12-07 | 1000GM Bay Area GM 2022 | San Jose CA USA | 1.4 | Mark Heimann | Titas Stremavicius | 1/2-1/2 | 37 | Open |
| 175 | 2022-10-30 | 1000GM Hollywood Masters | Los Angeles USA | 9.3 | Mark Heimann | Titas Stremavicius | 1/2-1/2 | 113 | Open |
| 176 | 2022-10-29 | 1000GM Hollywood Masters | Los Angeles USA | 8.7 | Arman Mikaelyan | Mark Heimann | 0-1 | 32 | Open |
| 177 | 2022-10-29 | 1000GM Hollywood Masters | Los Angeles USA | 7.9 | Mark Heimann | Ehsan Ghaem Maghami | 1/2-1/2 | 21 | Open |
| 178 | 2022-10-28 | 1000GM Hollywood Masters | Los Angeles USA | 6.15 | Dante M Beukes | Mark Heimann | 0-1 | 41 | Open |
| 179 | 2022-10-28 | 1000GM Hollywood Masters | Los Angeles USA | 5.8 | Mark Heimann | Robby Kevlishvili | 0-1 | 37 | Open |
| 180 | 2022-10-27 | 1000GM Hollywood Masters | Los Angeles USA | 4.16 | Keaton Kiewra | Mark Heimann | 0-1 | 34 | Open |
| 181 | 2022-10-27 | 1000GM Hollywood Masters | Los Angeles USA | 3.22 | Mark Heimann | Zachary Dukic | 1-0 | 33 | Open |
| 182 | 2022-10-26 | 1000GM Hollywood Masters | Los Angeles USA | 2.3 | Lazaro Bruzon Batista | Mark Heimann | 1-0 | 43 | Open |
| 183 | 2022-09-05 | 1000GM Labor Day IM 2022 | Los Angeles USA | 9.5 | Bryan Xie | Mark Heimann | 0-1 | 55 | Open |
| 184 | 2022-09-04 | 1000GM Labor Day IM 2022 | Los Angeles USA | 8.3 | Rushaan Mahajan | Mark Heimann | 0-1 | 63 | Open |
| 185 | 2022-09-04 | 1000GM Labor Day IM 2022 | Los Angeles USA | 7.1 | Mark Heimann | Shelev Oberoi | 1-0 | 80 | Open |
| 186 | 2022-09-03 | 1000GM Labor Day IM 2022 | Los Angeles USA | 6.1 | Matyas Marek | Mark Heimann | 1/2-1/2 | 44 | Open |
| 187 | 2022-09-03 | 1000GM Labor Day IM 2022 | Los Angeles USA | 5.4 | Mark Heimann | Maili-Jade Ouellet | 1/2-1/2 | 81 | Open |
| 188 | 2022-09-02 | 1000GM Labor Day IM 2022 | Los Angeles USA | 4.3 | Rohan Talukdar | Mark Heimann | 1/2-1/2 | 34 | Open |
| 189 | 2022-09-02 | 1000GM Labor Day IM 2022 | Los Angeles USA | 3.3 | Mark Heimann | Mike Zaloznyy | 1-0 | 48 | Open |
| 190 | 2022-09-01 | 1000GM Labor Day IM 2022 | Los Angeles USA | 2.3 | Razvan Preotu | Mark Heimann | 1/2-1/2 | 43 | Open |
| 191 | 2022-09-01 | 1000GM Labor Day IM 2022 | Los Angeles USA | 1.2 | Mark Heimann | Samrug Narayanan | 1/2-1/2 | 44 | Open |
| 192 | 2022-06-12 | National Open 2022 | Las Vegas USA | 9.7 | Henry Deng | Mark Heimann | 1/2-1/2 | 57 | Open |
| 193 | 2022-06-11 | National Open 2022 | Las Vegas USA | 7.7 | Mark Heimann | Alexander Katz | 1-0 | 94 | Open |
| 194 | 2022-06-11 | National Open 2022 | Las Vegas USA | 6.4 | M Siddarth | Mark Heimann | 1-0 | 35 | Open |
| 195 | 2022-06-10 | National Open 2022 | Las Vegas USA | 5.1 | Mark Heimann | Sabina-Francesca Foisor | 1-0 | 74 | Open |
| 196 | 2022-06-10 | National Open 2022 | Las Vegas USA | 4.13 | Lucas Jiang | Mark Heimann | 0-1 | 21 | Open |
| 197 | 2022-06-09 | National Open 2022 | Las Vegas USA | 3.1 | Mark Heimann | Vladimir Akopian | 0-1 | 30 | Open |
| 198 | 2022-06-09 | National Open 2022 | Las Vegas USA | 2.1 | Shelev Oberoi | Mark Heimann | 0-1 | 73 | Open |
| 199 | 2022-06-08 | National Open 2022 | Las Vegas USA | 1.16 | Mark Heimann | Evan Ai | 1-0 | 51 | Open |
| 200 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 9 | Mark Heimann | Andrey Tsvetkov | 1-0 | 33 | Open |
| 201 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 8 | Aleksey Goganov | Mark Heimann | 1-0 | 37 | Open |
| 202 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 7 | Mark Heimann | Narayanan S L | 1-0 | 36 | Open |
| 203 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 6 | Bogdan Belyakov | Mark Heimann | 0-1 | 33 | Open |
| 204 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 5 | Mark Heimann | Raunak Sadhwani | 0-1 | 63 | Open |
| 205 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 4 | Mark Heimann | Miroslav Simonovic | 1-0 | 28 | Open |
| 206 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 3 | Oleksiy Solovchuk | Mark Heimann | 0-1 | 46 | Open |
| 207 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 2 | Mark Heimann | Bao Nghia Dong | 1-0 | 40 | Open |
| 208 | 2020-06-30 | Titled Tuesday 30th June | chess.com INT | 1 | Sargis A. Manukyan | Mark Heimann | 0-1 | 42 | Open |
| 209 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 9 | Rasmus Svane | Mark Heimann | 0-1 | 45 | Open |
| 210 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 8 | Mark Heimann | Jose Antonio Herrera Reyes | 1-0 | 40 | Open |
| 211 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 7 | Piotr Piesik | Mark Heimann | 0-1 | 50 | Open |
| 212 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 6 | Mark Heimann | Semetei Tologon tegin | 1-0 | 50 | Open |
| 213 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 5 | Dragos-Andrei Antonica | Mark Heimann | 0-1 | 80 | Open |
| 214 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 4 | Mark Heimann | Ann Chumpitaz | 1-0 | 57 | Open |
| 215 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 3 | Mark Heimann | Timofey Iljin | 0-1 | 64 | Open |
| 216 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 2 | Olesya Shevtchenko | Mark Heimann | 0-1 | 53 | Open |
| 217 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 1 | Mark Heimann | Savva Vetokhin | 0-1 | 83 | Open |
| 218 | 2020-06-23 | Titled Tuesday 23rd June | chess.com INT | 10 | Aleksandar Indjic | Mark Heimann | 1-0 | 29 | Open |
| 219 | 2019-02-07 | PRO League Group Stage | chess.com INT | 5 | Mark Heimann | Katarzyna Toma | 1-0 | 73 | Open |
| 220 | 2018-11-11 | Ivy League Challenge 2018 | Toronto CAN | 5.1 | Haizhou Xu | Mark Heimann | 0-1 | 28 | Open |
| 221 | 2018-11-10 | Ivy League Challenge 2018 | Toronto CAN | 4.1 | Mark Heimann | Sean Lei | 1-0 | 48 | Open |
| 222 | 2018-11-10 | Ivy League Challenge 2018 | Toronto CAN | 3.1 | Varun Krishnan | Mark Heimann | 1-0 | 51 | Open |
| 223 | 2018-11-09 | Ivy League Challenge 2018 | Toronto CAN | 2.1 | Mark Heimann | Ram Vishwanathan | 1-0 | 0 | Open |
| 224 | 2018-11-09 | Ivy League Challenge 2018 | Toronto CAN | 1.1 | Aaron Balleisen | Mark Heimann | 0-1 | 48 | Open |
| 225 | 2018-03-07 | PRO League Group Stage | chess.com INT | 9 | Eduardo Iturrizaga Bonelli | Mark Heimann | 1-0 | 37 | Open |
| 226 | 2018-03-07 | PRO League Group Stage | chess.com INT | 9 | Julio Becerra Rivero | Mark Heimann | 0-1 | 20 | Open |
| 227 | 2018-03-07 | PRO League Group Stage | chess.com INT | 9 | Mark Heimann | Yuniesky Quesada Perez | 1-0 | 36 | Open |
| 228 | 2018-03-07 | PRO League Group Stage | chess.com INT | 9 | Mark Heimann | Nicholas Rosenthal | 1-0 | 72 | Open |
| 229 | 2017-10-26 | SPICE Cup Open 2017 | Saint Louis USA | 9.12 | Mark Heimann | Rogelio Barcenilla | 0-1 | 51 | Open |
| 230 | 2017-10-25 | SPICE Cup Open 2017 | Saint Louis USA | 8.11 | Raven Sturt | Mark Heimann | 1/2-1/2 | 53 | Open |
| 231 | 2017-10-25 | SPICE Cup Open 2017 | Saint Louis USA | 7.16 | Mark Heimann | Julian Proleiko | 1-0 | 28 | Open |
| 232 | 2017-10-24 | SPICE Cup Open 2017 | Saint Louis USA | 6.15 | Mark Heimann | Angelo Young | 1-0 | 41 | Open |
| 233 | 2017-10-23 | SPICE Cup Open 2017 | Saint Louis USA | 5.12 | Kannappan Priyadharshan | Mark Heimann | 1-0 | 35 | Open |
| 234 | 2017-10-23 | SPICE Cup Open 2017 | Saint Louis USA | 4.21 | Mark Heimann | Kaleb Gosdin | 1-0 | 33 | Open |
| 235 | 2017-10-22 | SPICE Cup Open 2017 | Saint Louis USA | 3.19 | Kamile Baginskaite | Mark Heimann | 1/2-1/2 | 11 | Open |
| 236 | 2017-10-22 | SPICE Cup Open 2017 | Saint Louis USA | 2.14 | Dariusz Swiercz | Mark Heimann | 1-0 | 51 | Open |
| 237 | 2017-10-21 | SPICE Cup Open 2017 | Saint Louis USA | 1.3 | Mark Heimann | Ray Robson | 1/2-1/2 | 37 | Open |
| 238 | 2017-07-22 | Dayton Masters 2017 | Dayton USA | 9 | Warren Elliott | Mark Heimann | 0-1 | 37 | Open |
| 239 | 2017-07-21 | Dayton Masters 2017 | Dayton USA | 8 | Mark Heimann | Akshat Chandra | 1/2-1/2 | 48 | Open |
| 240 | 2017-07-21 | Dayton Masters 2017 | Dayton USA | 7 | William Sedlar | Mark Heimann | 0-1 | 63 | Open |
| 241 | 2017-07-20 | Dayton Masters 2017 | Dayton USA | 6 | Mark Heimann | Shankar Gauri | 0-1 | 47 | Open |
| 242 | 2017-07-20 | Dayton Masters 2017 | Dayton USA | 5 | Vladimir Georgiev | Mark Heimann | 1-0 | 12 | Open |
| 243 | 2017-07-19 | Dayton Masters 2017 | Dayton USA | 4 | Mark Heimann | Carl Boor | 1-0 | 20 | Open |
| 244 | 2017-07-19 | Dayton Masters 2017 | Dayton USA | 3 | Ben Li | Mark Heimann | 1/2-1/2 | 48 | Open |
| 245 | 2017-07-18 | Dayton Masters 2017 | Dayton USA | 2 | Mark Heimann | Kannappan Priyadharshan | 1/2-1/2 | 35 | Open |
| 246 | 2017-07-18 | Dayton Masters 2017 | Dayton USA | 1 | Sergei Azarov | Mark Heimann | 1-0 | 37 | Open |
| 247 | 2017-07-02 | 45th Annual World Open | Philadelphia USA | 4 | Tan Nguyen | Mark Heimann | 0-1 | 71 | Open |
| 248 | 2017-07-01 | 45th Annual World Open | Philadelphia USA | 2.8 | Mark Heimann | Illya Nyzhnyk | 0-1 | 37 | Open |
| 249 | 2016-12-28 | Pan-Am Intercollegiate | Kenner USA | 3.3 | Francesco Rambaldi | Mark Heimann | 1-0 | 97 | Open |
| 250 | 2012-12-29 | Pan-Am Intercollegiate 2012 | Princeton USA | 5 | Giorgi Margvelashvili | Mark Heimann | 1/2-1/2 | 67 | Open |
| 251 | 2012-12-28 | Pan-Am Intercollegiate 2012 | Princeton USA | 2 | Mark Heimann | Ray Robson | 0-1 | 99 | Open |
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