Why no kill chance here?

[PoorOldSpike]

To its credit, the CM program does take into account the angle at which a shot strikes a tank, and oblique is the most difficult to penetrate as these tests confirm. In shots 3 and 7 the kill chance reads 'None'.
I rotated the KV-1 in small anti-clockwise increments and logged the readouts from the PzIII's L/60 gun firing AP-











PS-And just for the record in the last two shots below I replaced the panzer with one fring Tungsten, and as expected the penetration was much better; it could penetrate at any angle, even oblique-