Turn 23. Axis #8. Asian Front. China. Sian, Attack Planning.
(1) I'm letting you in on some of my real time attack planning, in this case as IJA's Hata's & Umezu's Army Groups (Northern China) staffs.
(2) Constraints given are that neither HQ will provide HQ support due to the inability to oil such HQs because of broken CP lines in the South China Sea.
(3) Also, only 1 of 4 NEI oil is left this turn after USN strategic bombing has knocked out the other 3.
(4) After much back and forth between these HQs and Tokyo, Imperial Japanese HQs (in Tokyo) has agreed to the full use of the 6 imperial Japanese army & 1 IJN air wings in country, even though they can't be oiled this turn.
(5) However, with one major caveat, which is that their use provides the "best" chance of taking Sian if Hata & Umezu commit their armies to the assault.
(6) So, the first examination by the attack planners was determination of the base odds (i.e., odds with land units only constrained by no HQs/HQ support).
(7) Base odds are low at +2.462, which gives only 7.8% of taking Sian ASSUMING the CCP elects to fight an assault vs blitz, which gives the lowest PWIN %.
(8) Hata's & Umezu's staff documents this assumption, that is assault, on the basis of being conservative in their planning. That is, the estimates of victory provide are the lower for assault vs blitz, though CCP may wish to fight a blitz to maximize CCP units survival.
(9) There are two air support strike packages considered: (1) All 7 wings used in ground support (Max ground support) and (2) 2 wings (max air actions available) used for ground strike & remaining 5 wings used in ground support.
(10) Strike package 1 raises the assault odds to +4.615A and PWIN to 18.7%. Note that these odds are a GIVEN if strike package 1 is used.
(11) Odds with strike package 2 aren't a given because of the probabilistic nature of the outcome of a ground strike.
(12) So three cases, (2a) expected, (2b) worst(all miss) and (2c) better than expected were considered.
(13) The expected case (2a) gives +2.2 of the possible +5 (2 armies, 1 div) in ground strike flip bonus, or +6.046A & 28.4% PWIN.
(14) Worse case (2b, all missed) gives the lowest land combat odds for this package, which is +3.846A & 14.2% PWIN.
(15) Better than expected (2c, both armies flipped, 19% chance of that) gives +7.846A & 43.6% PWIN.
(16) No staff attack planning report/briefing would be complete without a recommendation for their boss, or in this case their bosses.
(17) Recommendations. Strike Package 2, commit to the land combat if +2 or greater (of the +5) flips are achieved and expect for the Bushido attitude of the attacking IJA troops to take Sian.
(18) If 0 or +1 is achieved wait and ground strike again in a later fined weather impulse using 2 of the remaining (organized) air wings.
(19) Headed off for a short walk with my dog and will resolve the 2 ground strikes after that (most likely).
(20) How do you like insight into my real time play? For me, since changing to this style 2 turns ago, I'm actually thinking through in more detail my play and finding it more enjoyable.
(21) So thanks to all of you that are following.

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