1rbq1bnr/1p1pk2p/2pn3P/Q5p1/P7/NPP2P2/3KP1P1/R1B2BNR b - - 0 18
FEN state: 1rbq1bnr/1p1pk2p/2pn3P/Q5p1/P7/NPP2P2/3KP1P1/R1B2BNR b - - 0 18 ; Best move: d8a5
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at d7, black king at e7 and black pawn at h7. Black pawn at c6, black knight at d6 and white pawn at h6. White queen at a5 and black pawn at g5. White pawn at a4. White knight at a3, white pawn at b3, white pawn at c3 and white pawn at f3. White king at d2, white pawn at e2 and white pawn at g2. White rook at a1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. Black to move.