Internal ONLY Splitting - An Explanation

Splitting is the division of availability of a group of matching physical room types.

For example, you have 10 matching physical rooms that consist of 1 Double Bed and 1 Single Bed.
However, you sell those physical rooms to OTA website guests as a Double and Single (known as a Triple on Booking.com), as a Double, as a Twin and as a Single.
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​How do you divide 10 physical rooms between the four different configurations?
​Traditionally you would have divided the availability in your head and entered the number of rooms available for each of the four options (as a Double and Single, as a Double, as a Twin and as a Single).

So you might decide to give 2 as a Double and Single, 3 as a Double, 3 as a Twin and 2 as a Single.  That's all 10 divided or Split between the four options.

You are giving percentages of the total availability to different room types on the OTA website.
You have given 20% as a Double and Single, 30% as a Double, 30% as a Twin and 20% as a Single.  That's 100% divided or Split between the four options.

If you sell a room the availability of one of the room types is reduced.  If you sell all your Doubles the remaining availability on the other room types doesn't get used to increase the Double availability.
You have to manually reduce the number of the other room options and increase the number of Doubles.  Throughout the day you have to constantly keep an eye on your availability and ensure you have availability for all room options.
​This is time consuming and, if you don't intervene, could be losing you sales of Doubles.
​Furthermore, you could make a mistake and enter too much availability and receive a DOUBLE BOOKING!

If we take the percentages above and apply them automatically to fluctuating availability, we remove the need to manually work out how much of the availability to give to each room option on the OTA.
As the availability reduces, the amount sent to each room option on the OTA automatically adjusts.
As the availability increase, the amount sent to each room option on the OTA automatically adjusts.
Below you can see a table showing how the availability will be split as the availability is reduced.

But you can't sell a fraction of a room!
​That's right, you can't.  Only the absolute value, or rounded down, availability is sent to the OTA.  
​What happens to the fractions?
You can choose one room option to get a rounded up value.  We call this Prioritised Split.  If we Prioritise Split the Double and remove the fractions of rooms we get the below table.

16th has 9 available, 17th has 8 available, 18th has 7 available, 19th has 6 available, 20th has 5 available, 21st has 4 available, 22nd has 3 available, 23rd has 2 available, 24th has 1 available, 25th has 0 available, 26th has 0 available

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If we Prioritise Split the Single and remove the fractions of rooms we get the below table.

As the availability of your physical rooms reduces, the availability on the OTA for each room option also automatically adjusts.

I don't want to sell any Singles on the weekend!
​No problem.  Just close out your Single Occupancy Rate on the days you don't want to sell it.

0 availability will be sent for the Single.
You will notice with the Single Priority Split that closing the Single results in 0 Total Availability being sent, once your availability goes below 4.  This is not ideal, so it is advisable for the priority split to be set on a room option you are unlikely to want to close out.

Please Note: You can have a different Split for each OTA.