rnb4r/3pbkp1/1P2pp2/p1qN3p/2nPPPPP/8/P1P1K1B1/1RBQ2NR b - - 2 18
FEN state: rnb4r/3pbkp1/1P2pp2/p1qN3p/2nPPPPP/8/P1P1K1B1/1RBQ2NR b - - 2 18 ; Best move: c5d6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at h8. Black pawn at d7, black bishop at e7, black king at f7 and black pawn at g7. White pawn at b6, black pawn at e6 and black pawn at f6. Black pawn at a5, black queen at c5, white knight at d5 and black pawn at h5. Black knight at c4, white pawn at d4, white pawn at e4, white pawn at f4, white pawn at g4 and white pawn at h4. White pawn at a2, white pawn at c2, white king at e2 and white bishop at g2. White rook at b1, white bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. Black to move.