Trierweiler, Joachim - Ottenburg, Ralph, ch-Frankfurt A, 2024-06-17, 1/2-1/21. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. Nc3 Nc6 1/2-1/2|< << Flip >> >|