"50,972 killed, captured or missing" . . "Roslavl\u2013Novozybkov offensive" . . . "261,696 men" . "1941-09-12" . "28,603 wounded or sick" . "Soviet Union" . . "German victory" . . "more than 140 tanks" . "Unofficial figures including replacements:" . . . . . . . "Germany" . "Unknown" . . "around 100,000 casualties" . . . "259 tanks" . "Roslavl-Novosybkov operation" . . . . ":Roslavl\u2013Novozybkov offensive" . . . "Roslavl\u2013Novozybkov offensive" . "Official figures:" . .