--12--
BBCornerMate1
Two Bishops Corner Mate--Bishop Roll
White To Play
The King is forced into the "Cornermate" by the "Bishop Roll."
--13--
BBCornermate2
Two Bishops Corner Mate--Cornering The King
White To Play
"Opposition" is used to force the King into the "Cornermate"
--14--
BBCutoffOppCornerMate
Two Bishops Cut-off And Opposition Corner Mate
White To Play
Here we see how the enemy King's movements are controlled by Opposition and "Cutoff" until finally it is "Cornermated" by the "Two Bishops."
--16--
BNPoscheckEdgeMate
Bishop & Knight Edge Mate
White To Play
--17--
BNTranscheckCornermate
Bishop & Knight Corner Mate Using Knight Transportation
White To Play--Mate In 3
White "Transchecks Black's King which then has "Only One Move." Then White's Knight "Poschecks" the King forcing it into the where it then meets its doom via the dreaded "Cornermate."
--18--
BNCMATEPiv
Bishop & Knight Corner Mate Using Knight Pivoting.
White To Play
Observe the horsemanship of the Knight as it "Pivots" back and then forward again targeting the enemy King and forcing it into its Corner Mating Position. The Bishop's second move is a "Waiting" move, it has to maintain its control of the f8 square so that the King's "Only" move puts him into position to be "Checked" back into the corner where the Bishop then "Cornermates" it.
1) Bc4+ Ka7
2) Bc5+ Ka8
3) Bd5#
[FEN "8/2K5/k7/8/1B6/1B6/8/8 w - - 0 1"]
[PlyCount "5"]
{#} 1. Bc4+ Ka7 2. Bc5+ Ka8 3. Bd5# 1-0

1) Kb6 Ka8
2) Be7 Kb8
3) Bd6+ Ka8
4) Bd5#
[FEN "1k6/8/2K1BB2/8/8/8/8/8 w - - 0 1"]
[PlyCount "7"]
{#} 1. Kb6 Ka8 2. Be7 Kb8 3. Bd6+ Ka8 4. Bd5# 1-0

Var 1
1) Bd4 Kc8
2) Bf6 Kb8
3) Kb6 Kc8
4) Be6+ Kb8
5) Be5+ Ka8
6) Bd5#
Var 2
1) Bd4 Ka8
2) Kb6 Kb8
3) Be6 Ka8
4) Ka6 Kb8
5) Be6+ Ka8
6) Bd5#
[FEN "1k6/5BB1/2K5/8/8/8/8/8 w - - 0 1"]
[PlyCount "11"]
{#} 1. Bd4 (1. Bc4 Kc8 2. Bf6 Kb8 3. Kb6 Kc8 4. Be6+ Kb8 5. Be5+ Ka8 6. Bd5#)
1... Kc8 2. Bf6 Kb8 3. Kb6 Kc8 4. Be6+ Kb8 5. Be5+ Ka8 6. Bd5# 1-0

1) Bg7+ Kh2
2) Nf6#
In the first move the White Bishop "Poschecks" the Black King, forcing him into a bad position where he will be edgemated.
[FEN "5B1k/5K2/8/8/6N1/8/8/8 w - - 0 1"]
[PlyCount "3"]
{#} 1. Bg7+ Kh7 2. Nf6# 1-0

1. Ng6+ Kh7
2. Nf8+ Kh8
3. Bf6#
[FEN "7k/5K2/8/4N1B1/8/8/8/8 w - - 0 1"]
[PlyCount "5"]
{#} 1. Ng6+ Kh7 2. Nf8+ Kh8 3. Bf6# 1-0

1. Nf5 Kh8
2. Be7 Kg8
3. Nh6+ Kh8
4. Bf6#
[FEN "6k1/6N1/6K1/8/1B6/8/8/8 w - - 0 1"]
[PlyCount "7"]
{#} 1. Nf5 Kh8 2. Be7 Kg8 3. Nh6+ Kh8 4. Bf6# 1-0