Relived Michael Beale gave his players top marks for their fortitude to beat Aberdeen 3-2 at the death.
But the Englishman was less pleased with his new side's overall performance, rating it just five out of ten.
Rangers looked doomed to defeat for much of the second half after Leighton Clarkson's outstanding half-volley put them 2-1 in front but two injury-time goals from substitute Scott Arfield brought all three points to Ibrox.
