1r1k2r1/pb1nq1bp/2pN1p1n/3B4/6p1/2N1P2P/PPPP1PP1/R1B1R2K w - - 1 18
FEN state: 1r1k2r1/pb1nq1bp/2pN1p1n/3B4/6p1/2N1P2P/PPPP1PP1/R1B1R2K w - - 1 18 ; Best move: d5g8
The current state of the chess board is: Black rook at b8, black king at d8 and black rook at g8. Black pawn at a7, black bishop at b7, black knight at d7, black queen at e7, black bishop at g7 and black pawn at h7. Black pawn at c6, white knight at d6, black pawn at f6 and black knight at h6. White bishop at d5. Black pawn at g4. White knight at c3, white pawn at e3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white rook at e1 and white king at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. White to move.