If Japan conquers all China and India plus all Dutch East Indies saving N.Guinea, the economics are 78 for Japan and 70 for allies. So if at least one of China and India can hold enough to make USA and Australia come into the rescue, the game at that point could be balanced: if Japan goes quick, they won and if not, they lost. Any case, I doubt Japan can smash both India and China before those 6 rounds you say with easy
Japan has a few other things going for her:
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MASSIVE advantage in IPCs in starting forces. Japan has aircraft to burn - many many to burn, in fact. And in naval forces, Japan also starts with a sizable advantage. The spare aircraft means that Japan can freely hold onto Truk and Japan with little to no naval forces. And if naval forces ARE necessary, Japan needs to spend merely 16 IPCs for a ‘fully loaded’ CV while the US has to spend 37 (Japan has more than enough planes floating around to arm 3-4 CVs with little problem).
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Coordination. All of Japan’s combat power moves at once. She can attack with 100% of her strength in one phase. The Allies, even if they reach naval/air parity cannot use it offensively as easily because it’s going to be split between 3 turns.
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Interior lines. Japan is centrally located. With the new Naval/Air base in PI, Japan can centralize her strength and deal with any incursions with the vast bulk of her fleet/air arm. The Allies are scattered into 2-3 different power bases. This dramatically weakens there ability to close in with the Japanese as they can be crushed piecemeal.
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Economic security. Japan’s econ is based as far away from the primary threat of the US as possible. It’s a minimum of 3 turns for anything based in the US (ie, that the US is buying) to reach anything that Japan truly cares about. Holding the Central/Eastern Pacific islands is no longer necessary for Japan. In AA50, Japan got a bonus and the US lost a bonus if the Japanese fought there. Not so anymore. The Japanese DO get a bonus for the Coral Sea, but it’s small beans on this scale. And if they allow it go to the Allies, it goes to the Anzacs, not the US, meaning that’s not a problem to let the Allies have it. The Anzacs make so little money that they will rarely be a major threat.
I dont have the time to do it at the moment, but I would wager that a quick ‘realistic’ econ count of starting units puts Japan SO far ahead that the Allies would need 6+ turns of max production to begin to equal it. That means that Japan has a LOT of free time before she has to start worrying about economic parity at all. It certainly doesnt help the Allies to engage in penny-packets and lose more than they kill (which tends to happen in massed naval battles since the expensive stuff dies last).
I guess a trick will be moving USA fighters to Australia and later to India to help gurkas survive a bit more (probably abbusing of ACs). This move was pretty good both in Revised and AA50, 42 scenario. I guess the same will apply here
So far, our games have ended without the Japanese needing to take Australia. Sure if we wanted to play for 4+ more hours to achieve the ‘book’ win it would have to happen but the games were decided before Japan ever had to set foot on Australia. Once Japan has near economic parity with the US and a clear backfield, the game is over. Everything else is just mop up or hoping for ridiculous luck to turn the tide.
Undediced yet, waiting playing some games to say if this is balanced. At least is a better situation than in AA50
We thought that AA50 was fairly well balanced. The better players tended to win regardless of which side they played. Was it perfect? Maybe not, but none of us ever felt like we won or lost based solely on which side we were playing.
So far in AAP40, the Allied players have been left scratching their heads thinking “Gee, I dont really see what more we could have done except rolled better” and that is not exactly satisfying. I personally think that if the Japanese player is methodical and doesnt take risks that they will win the vast majority of the time barring horrible luck (and I’m not even convinced of that due one of our games WITH horrible Japanese luck still being a win for the Japanese).