| Dec 20, 2025 | Boesel | 1–0 | Trenz | Round 3: Boesel, Alexander - Trenz, Finn | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Dec 12, 2025 | Boesel | ½–½ | Guelsen | Round 5: Boesel, Alexander - Guelsen, Taylan | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Dec 12, 2025 | Peters | 0–1 | Boesel | Round 4: Peters, Frank - Boesel, Alexander | English Opening: Agincourt Defense | |
| Nov 1, 2025 | Boesel | 0–1 | Kummerow | Runde 7: Boesel, Alexander - Kummerow, Heiko | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Nov 1, 2025 | Hauernherm | 0–1 | Boesel | Runde 6: Hauernherm, Stefan - Boesel, Alexander | Zukertort Opening | |
| Nov 1, 2025 | Boesel | ½–½ | Aden | Runde 5: Boesel, Alexander - Aden, Keno | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Oct 31, 2025 | de Vries | 0–1 | Boesel | Runde 4: de Vries, Carsten - Boesel, Alexander | Caro-Kann Defense: Exchange Variation | |
| Oct 31, 2025 | Boesel | 0–1 | Hedke | Runde 3: Boesel, Alexander - Hedke, Fred | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 30, 2025 | Keyser | 1–0 | Boesel | Runde 2: Keyser, Robin - Boesel, Alexander | King's Indian Attack | |
| Oct 30, 2025 | Boesel | 1–0 | Neumann | Runde 1: Boesel, Alexander - Neumann, Hannes | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Oct 18, 2025 | Mamedov | 1–0 | Boesel | Runde 9: Mamedov, Aflatun - Boesel, Alexander | Nimzo-Larsen Attack: Classical Variation | |
| Oct 17, 2025 | Boesel | 1–0 | Marcziter | Runde 8: Boesel, Alexander - Marcziter, Dmitrii | Sicilian Defense: O'Kelly Variation, Venice System | |
| Oct 16, 2025 | Boesel | ½–½ | Klemenz | Runde 7: Boesel, Alexander - Klemenz, Luca | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Oct 15, 2025 | Baumeister | 0–1 | Boesel | Runde 6: Baumeister, Sven - Boesel, Alexander | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 14, 2025 | Picatoste Verdejo | 0–1 | Boesel | Runde 5: Picatoste Verdejo, Sergio - Boesel, Alexander | King's Indian Attack | |
| Oct 12, 2025 | Cassel | ½–½ | Boesel | Runde 3: Cassel, Silas - Boesel, Alexander | Queen's Pawn Game: Symmetrical Variation | |
| Oct 11, 2025 | Boesel | 0–1 | Poetsch | Runde 1: Boesel, Alexander - Poetsch, Hagen | Sicilian Defense: Moscow Variation, Main Line | |
| Sep 21, 2025 | Zetocha | 1–0 | Boesel | exe:Slovakia open Bratislava 25 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 20, 2025 | Boesel | 0–1 | Lahav | exe:Slovakia open Bratislava 25 | French Defense: Knight Variation | |
| Sep 19, 2025 | Boesel | ½–½ | Koelber | exe:Slovakia open Bratislava 25 | Sicilian Defense: Moscow Variation | |
| Sep 18, 2025 | Vasynda | 0–1 | Boesel | exe:Slovakia open Bratislava 25 | Queen's Gambit Declined: Modern Variation | |
| Sep 17, 2025 | Boesel | ½–½ | Jendrowiak | exe:Slovakia open Bratislava 25 | Italian Game: Giuoco Pianissimo | |
| Sep 16, 2025 | Simon | 0–1 | Boesel | exe:Slovakia open Bratislava 25 | Queen's Gambit Declined: Three Knights Variation | |
| Sep 15, 2025 | Krupa | ½–½ | Boesel | exe:Slovakia open Bratislava 25 | Caro-Kann Defense: Panov Attack | |
| Sep 14, 2025 | Boesel | 0–1 | Farkas | exe:Slovakia open Bratislava 25 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 13, 2025 | Boesel | 1–0 | Jursa | exe:Slovakia open Bratislava 25 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Mar 1, 2025 | Boesel | 1–0 | Reis | Silves Chess Tournament 2025 | Italian Game: Giuoco Pianissimo, Normal | |
| Mar 7, 2025 | Boesel | 1–0 | Ferreira | Round 9: Boesel, Alexander - Ferreira, Eduardo Jose | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Mar 6, 2025 | Paulino | 0–1 | Boesel | Round 8: Paulino, Jose - Boesel, Alexander | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Mar 5, 2025 | Ryabukhin | 1–0 | Boesel | Round 7: Ryabukhin, Roman - Boesel, Alexander | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Mar 4, 2025 | Boesel | 1–0 | Esteves | Round 5: Boesel, Alexander - Esteves, Goncalo Maria Franco V. | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Mar 4, 2025 | Boesel | 1–0 | Van Ree | Round 6: Boesel, Alexander - Van Ree, Thailo | Sicilian Defense: Moscow Variation | |
| Mar 3, 2025 | Almeida | 1–0 | Boesel | Round 4: Almeida, Joao Pedro Dias - Boesel, Alexander | Caro-Kann Defense: Endgame Variation | |
| Mar 2, 2025 | Boesel | 0–1 | Sanz Wawer | Round 3: Boesel, Alexander - Sanz Wawer, Daniel | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Mar 2, 2025 | Espinosa Aranda | 0–1 | Boesel | Round 2: Espinosa Aranda, Angel - Boesel, Alexander | Caro-Kann Defense: Endgame Offer | |
| Oct 19, 2024 | Boesel | 1–0 | Naveen Kumar P | Round 9: Boesel, Alexander - Naveen Kumar P | French Defense: Rubinstein Variation, Blackburne Defense | |
| Oct 18, 2024 | Kamp | 0–1 | Boesel | Round 8: Kamp, Adrian - Boesel, Alexander | Caro-Kann Defense: Accelerated Panov Attack | |
| Oct 17, 2024 | Boesel | 1–0 | Heidemann | Round 7: Boesel, Alexander - Heidemann, Kristjan | Sicilian Defense: Hyperaccelerated Dragon | |
| Oct 16, 2024 | Cheng | 0–1 | Boesel | Round 6: Cheng, Noah - Boesel, Alexander | Nimzo-Larsen Attack: Classical Variation | |
| Oct 15, 2024 | Boesel | ½–½ | Sepe | Round 5: Boesel, Alexander - Sepe, Giovanni Paolo | Sicilian Defense: Moscow Variation | |
| Oct 14, 2024 | Marcziter | 1–0 | Boesel | Round 4: Marcziter, Dmitrii - Boesel, Alexander | Queen's Gambit Declined: Modern Variation | |
| Oct 13, 2024 | Boesel | 1–0 | Olbrich | Round 3: Boesel, Alexander - Olbrich, Leonard | Sicilian Defense: Moscow Variation | |
| Oct 13, 2024 | Wichtrup | ½–½ | Boesel | Round 2: Wichtrup, Jan-Louis - Boesel, Alexander | Catalan Opening: Closed | |
| Oct 12, 2024 | Boesel | 1–0 | Costello | Round 1: Boesel, Alexander - Costello, Colin A | Italian Game: Giuoco Pianissimo, Normal | |
| Nov 3, 2024 | Braun | 1–0 | Boesel | Round 7: Braun, Julian - Boesel, Alexander | Sicilian Defense: Four Knights Variation | |
| Nov 2, 2024 | Boesel | 1–0 | Meyer | Round 6: Boesel, Alexander - Meyer, Thorsten | Pirc Defense: Austrian Attack | |
| Nov 2, 2024 | Noennig | 1–0 | Boesel | Round 5: Noennig, Jakob - Boesel, Alexander | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| Nov 1, 2024 | Boesel | 1–0 | Schaefer | Round 4: Boesel, Alexander - Schaefer, Maik | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Nov 1, 2024 | Herzwurm | 1–0 | Boesel | Round 3: Herzwurm, Robert - Boesel, Alexander | Sicilian Defense: Closed | |
| Oct 31, 2024 | Boesel | 0–1 | Bracker | Round 2: Boesel, Alexander - Bracker, Frank | Sicilian Defense: Taimanov Variation | |
| Oct 31, 2024 | Dorr | 0–1 | Boesel | Round 1: Dorr, Joerg - Boesel, Alexander | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 21, 2022 | Boesel | * | Shafi | open | ? | |
| Jul 19, 2022 | Boesel | * | Naumann | open | ? | |
