rnb3nr/p2k3p/2pb1p2/1B1p4/P3p1p1/1P2P1PN/1BPq1P1P/RN2QK1R b - - 0 18
FEN state: rnb3nr/p2k3p/2pb1p2/1B1p4/P3p1p1/1P2P1PN/1BPq1P1P/RN2QK1R b - - 0 18 ; Best move: d2e1
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, black king at d7 and black pawn at h7. Black pawn at c6, black bishop at d6 and black pawn at f6. White bishop at b5 and black pawn at d5. White pawn at a4, black pawn at e4 and black pawn at g4. White pawn at b3, white pawn at e3, white pawn at g3 and white knight at h3. White bishop at b2, white pawn at c2, black queen at d2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white queen at e1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. Black to move.