Problem 453470:
Problem 453470:
GM D. Campora (2437) - GM I. Ivanisevic (2623)
50th Biel Master Open Biel SUI, 2017.07.31 Campora - Ivanisevic, Biel 2017
50th Biel Master Open Biel SUI, 2017.07.31 Campora - Ivanisevic, Biel 2017