Riga is an assault river crossing by the Swedes and so they have minimal cavalry support at first. The Saxons and Russians are spread out along the river line and so only some will be available. In the real battle the Swedes arrived in a series of 'waves'. The first 'wave' brushed aside the small Saxon force near the landing point and then the Saxons/Russians mounted a series of assaults to dilodge them. With extra forces arriving on both sides as time went on. The Swedes were covering a ponton bridge that was being set up by them for the rest of the army to use. The Saxon/Russians didn't manage to defeat the covering force and once the bridge had been built they withdrew. This scenario covers only the crossing and securing of the bridgehead at Riga so the majority of the forces present are not represented.

The map is 28 BW deep and 23 BW wide (170 cm x 140 cm for a 60mm
base). Swedes start deployed on either side of the pontoon bridge and
the Saxons and Russians as shown. The Swedish second wave arrives at a
location of the Swedes choice along the river on turn 2.
There are four sections to the bridge. Starting on turn 3 a section may
be added to the bridge if the Swedes roll 4 or
higher on a d6. When the bridge is complete the Swedes can start sending
the cavalry across.
The game ends on turn 10. The winner is the one who controls the crossing point.
Historically the Swedes set fire to the local brush to cover the crossing of the second wave, Should the Swedes do this in the game the second wave will be placed at the beginning of turn 2 without any indication of thier location to the allies. Should the fires not be set the allies will be informed of the intended deployment zone in turn 1. However setting the fires will prevent the Swedish gunboats from firing on the allies.
At the end of each Swedish turn roll a d6 for each 3BW section of river. Should a 6 be rolled the smoke will dissapate in that section
First wave
1st Brigade Life Guards
2nd Brigade
Light Gun
Second wave
3rd Brigade
4th Brigade
5th Brigade
Light Gun
Fire Support
Reserve
4 brigades of 4 stands of Trained, Determined Galloping Horse
1st Brigade
2nd Brigade
3rd Brigade
4th Brigade
5th Brigade
6th Brigade
7th Brigade
8th Brigade
9th Brigade
10th brigade
11th Brigade
12th Brigade