Hello Axel!

In Odessa the vessels scuttled 2 times.
First time as blockships with the purposes of anti-landing defence 30.06.41:
OREL (no Oreli) 5152 grt
PETR VELIKIJ 5619 grt
PLEKHANOV 3344 grt
PSKOV 3549 grt
VOJKOV 2052 grt

Second time because of impossibility of evacuation 14-16.10.41 (31 vessels, boats, cutters and etc):

CHICHERIN (x Princess Eugenija Oldenbugskaja b. 1903 in Kiel/1853 grt was scuttled on 15.10.41

On the Soviet data all these 6 vessels were raised the German salvors and in 1944 they were found in the Romanian ports.
PETR VELIKIJ after the war repaired Warnemunde, with 1953 Yakutia (DGMP).
Damaged BALAKLAVA in September, 1941 was removed from Odessa on Caucasus. She was scuttled for creation of artificial harbour in a mouth of the river Hopi 16.10.42 (no 1941). In 1944 she was raised by the Soviet salvors.

Best regards
Alexander