**Short answer**: this block destroyed some reward

**Long answer:**
Like you pointed out the formula is 2222222/((2796.435+2600)/9)^2 =

**6.18099740 DASH**

As we are using int64_t for the calculation only the integer value is used -->

**6 DASH**
Now we are in 2nd year of Dash, which means this is reduced by 1/14 ~= 7.1% --> 6 * (1-(1/14)) =

**5.57142857 DASH**

So the matching reward for difficulty 2796.435 is

**5.57142857 DASH**, which means

whoever mined this block left out

**0.91857142 DASH**, which may appear weird, but still makes

up a valid block - the formula does only calculate the maximum amount ("ceiling function") to

be mined, the miner can claim everything below.

Btw: The next block

http://explorer.darkcoin.io/block/0000000000076a1a29de640d7f16f962a271c967aaae1dec3f0f1b0ac40b4366
with difficulty 2723.625 generated the maximum number of coins:

**5.57142858 DASH**

Hope that helps