| 27 ago 2026 | Kavri, Yusuf Eren 2147 | Yalcinkaya, Efe 2306 | 1-0 | E11 Defensa Bogoindia: Nimzowitsch Variation | 9th Istanbul International Open | A Category | 72 | Ver |
| 27 ago 2026 | Yalcinkaya, Efe 2306 | Okur, Batin 2127 | 1-0 | B10 Defensa Caro-Kann: Two Knights Attack | 9th Istanbul International Open | A Category | 26 | Ver |
| 26 ago 2026 | Bahmani, Koorosh 2106 | Yalcinkaya, Efe 2306 | 1-0 | D85 Defensa Grünfeld: Exchange Variation, Modern Exchange Variation | 9th Istanbul International Open | A Category | 33 | Ver |
| 25 ago 2026 | Yalcinkaya, Efe 2306 | Ozturk, Efe 2078 | 1-0 | C11 Defensa Francesa: Classical Variation, Burn Variation, Morozevich Line | 9th Istanbul International Open | A Category | 38 | Ver |
| 25 ago 2026 | Bozorg, Morteza 2066 | Yalcinkaya, Efe 2306 | 0-1 | B56 Defensa Siciliana: Classical Variation | 9th Istanbul International Open | A Category | 37 | Ver |
| 24 ago 2026 | Yalcinkaya, Efe 2306 | Nirvan Bhamidi 2198 | 0-1 | B12 Defensa Caro-Kann: Advance Variation, Short Variation | 9th Istanbul International Open | A Category | 42 | Ver |
| 1 ago 2026 | Yalcinkaya, Efe 2318 | Coicev, Matei-Andrei 2337 | ½-½ | B12 Defensa Caro-Kann: Advance Variation, Botvinnik-Carls Defense | European Youth Team Chess Championship - Open18 | 39 | Ver |
| 5 jul 2026 | Yalcinkaya, Efe 2318 | Klein, Levent 2164 | ½-½ | B12 Defensa Caro-Kann: Advance Variation, Short Variation | 12th Cesme International Open Chess Tournament | 30 | Ver |
| 4 jul 2026 | Yilmaz, Kerem Tuna 2061 | Yalcinkaya, Efe 2318 | ½-½ | B50 Defensa Siciliana: Delayed Alapin Variation, with d6 | 12th Cesme International Open Chess Tournament | 49 | Ver |
| 3 jul 2026 | Yalcinkaya, Efe 2318 | Oz, Ege 2120 | 1-0 | B32 Defensa Siciliana: Kalashnikov Variation | 12th Cesme International Open Chess Tournament | 49 | Ver |
| 2 jul 2026 | Rasulov, Vugar 2538 | Yalcinkaya, Efe 2318 | 1-0 | B58 Defensa Siciliana: Boleslavsky Variation | 12th Cesme International Open Chess Tournament | 45 | Ver |
| 2 jul 2026 | Yalcinkaya, Efe 2318 | Shinkorenko, Ivan Al 2091 | 1-0 | C78 Apertura Española (Ruy López): Morphy Defense, Møller Variation | 12th Cesme International Open Chess Tournament | 51 | Ver |
| 1 jul 2026 | Mahdian, Anousha 2078 | Yalcinkaya, Efe 2318 | ½-½ | A48 Ataque Torre: Fianchetto Defense | 12th Cesme International Open Chess Tournament | 51 | Ver |
| 30 jun 2026 | Yalcinkaya, Efe 2318 | Kosakowski, Jakub 2549 | ½-½ | C70 Apertura Española (Ruy López): Morphy Defense, Classical Defense Deferred | 12th Cesme International Open Chess Tournament | 17 | Ver |
| 30 jun 2026 | Yalcinkaya, Efe 2318 | Daghli, Arash 2429 | ½-½ | C60 Apertura Española (Ruy López): Fianchetto Defense | 12th Cesme International Open Chess Tournament | 26 | Ver |
| 29 jun 2026 | Obidjonov, Oriyat 2175 | Yalcinkaya, Efe 2318 | 0-1 | B62 Defensa Siciliana: Richter-Rauzer Variation | 12th Cesme International Open Chess Tournament | 47 | Ver |
| 3 may 2026 | Celebi, Mehmet Alper 2186 | Yalcinkaya, Efe 2304 | ½-½ | C69 Apertura Española (Ruy López): Exchange Variation, Alapin Gambit | Türkiye Küçükler ve Yıldızlar Takım Satranç Yarışmaları 2026 | U18 | 14 | Ver |
| 20 dic 2025 | Yalcinkaya, Efe 2089 | Ersoz, Teoman Guney 2101 | 0-1 | B96 Defensa Siciliana: Najdorf Variation | FIDE World U9-U17 Rapid & Blitz Chess Championships | Blitz (Boards 1-100) | 38 | Ver |
| 19 dic 2025 | Yalcinkaya, Efe 2089 | Yildiz, Serdar Murat 2248 | ½-½ | B45 Defensa Siciliana: Taimanov Variation | FIDE World U9-U17 Rapid & Blitz Chess Championships | Blitz (Boards 1-100) | 81 | Ver |
| 19 dic 2025 | Yalcinkaya, Efe 2089 | Borischik, Sergey 2366 | 1-0 | B07 Defensa Moderna: Geller's System | FIDE World U9-U17 Rapid & Blitz Chess Championships | Blitz (Boards 1-100) | 44 | Ver |