An evolution of Terachess I, Terachess II is a large Chess variant with 26 different kinds of pieces played on a 16 x 16 board.
Full list of piece types with their values:
N/A - King - (King's move + Initial King's jump that replaces castling)
10.2 - Amazon - (Knight's move + Queen's move)
8.4 - Eagle - (Unique move pattern, similar to Rhinoceros)
8.3 - Queen - (Queen's move)
8.2 - Sorceress - (Combines Cannon and Crocodile)
6.9 - Marshall - (Combines Rook and Knight)
6.1 - Rhinoceros - (Unique move pattern, similar to Eagle)
6.0 - Admiral - (Combines Rook and King)
6.0 - Lion - (Combines Elephant, Machine and Knight)
5.8 - Duchess - (Jumps up to 3 squares in any direction)
5.4 - Buffalo - (Combines Knight, Camel and Giraffe)
5.3 - Cardinal - (Combines Knight and Bishop)
5.0 - Rook - (Rook's move)
5.0 - Cannon - (Cannon's move from Xiangqi)
4.4 - Missionary - (Combines Bishop and King)
4.1 - Centaur - (Combines Knight and King)
3.4 - Bishop - (Bishop's move)
3.3 - Archer - (Diagonal counterpart of the Cannon)
2.4 - Troll - (Combines classic Pawn and 3-step jump)
2.3 - Prince - (Combines King's move and 2-step no-capture move)
2.2 - Machine - (Jumps up to 2 squares orthogonally)
2.0 - Knight - (Knight's move)
2.0 - Elephant - (Jumps up to 2 squares diagonally)
1.8 - Camel - (Jumps like an extended knight)
1.7 - Giraffe - (Jumps to the opposite square of a 3x4 rectangle)
0.5 - Pawn - (Pawn that can also move 2 squares forward from any place)
The main change to the regular Chess rules pertains to obligatory promotion upon reaching the last rank of the board.
Only the following pieces are promoted:
Knight > Buffalo
Camel > Buffalo
Giraffe > Buffalo
Elephant > Lion
Machine > Lion
Centaur > Lion
Prince > Amazon
Pawn > Queen
Troll > Queen (Must move 1-step to promote)