RB1. EC are Moist, with no wind at start.
RB2. Sewer Movement is allowed. Russians may use it freely; Germans may use it only of a leader passes a 4TC (B8.4). A unit may use Sewer Movement to cross from one side of a gully to the other only if it ends its MPh in the Sewer Location of a gully-Manhole hex (e.g., hex Y38). A unit entrenched in a Manhole Location (see SSR RB5 may not enter that hex's Sewer Location, since a unit may enter a Sewer only at the very start of its MPh (B8.4).
RB3. Rooftops (B23.8) are in effect. Control of a Rooftop/
RB4. The river (i.e., the Water Obstacle hexes in the northeast corner of the map area) is Flooded (B21.122; B21.21) with a Heavy current flowing north to south. Hex CC31 contains a one-lane wooden bridge; all other bridges are two-lane stone.
RB5. Hidden-Mines/
RB6. Trenches (including A-T Ditches) are considered to "connect" (as per B30.8) to (but not through) all ADJACENT building/
RB7. Due to superior German aerial reconnaissance, Entrenchments/
RB8. Rubble is treated as a building for Ambush (A11.4) and Street-Fighting (A11.8) purposes.
RB9. German Air Support, when available, is always in the form of Stuka M42 with bombs. The actual number received and their turn of arrival is still determined as per E7.2-.21.
RB10. All Locations [EXC: Aerial; IN a Sewer or Culvert] are eligible sniper target Locations.
RB11. Hand-to-Hand CC (J2.32) is allowed in all RB scenarios; markers to indicate Hand-to-Hand status are provided in the RB counter-mix.
RB12. For both sides: neither 150+mm OBA nor any Rocket OBA may fire Smoke; no OBA may fire WP; only MTR OBA and German 100+mm OBA may fire IR.
RB13. ATMM (C13.7) are available to elite (only) German Infantry, but only on an ATMM check Original dr of 1 (i.e., no drm apply). The effects of an Original 6 remain unchanged.
RB14. No Quarter (A20.3) is in effect for both sides.
RB15. Russians always have a Level C Booby Trap capability [EXC: in the CG they may increase it to Level A or B by CPP expenditure]. Booby Traps are active over the entire RB map, but are activated only by an appropriate German TC. Mines factors may not be exchanged for Booby Traps. Germans have no Booby Trap capability.
RB16. A tunnel entrance/
RB17. Any road exiting a map edge on the RB map is considered, for purposes of A2.51, to extend off that map edge along that lettered hexrow (if off the north or south edge), or in hexes of the same coordinate (if off the west or east edge). The off-map road is considered of the same type (paved/
RB18. All Good Order Russian elite and first line Infantry are Stealthy.