4kbnr/rbp1p2p/p1N2ppq/BpP5/3p3P/3PP3/1P2KPPR/RN1Q1B2 b k - 3 18
FEN state: 4kbnr/rbp1p2p/p1N2ppq/BpP5/3p3P/3PP3/1P2KPPR/RN1Q1B2 b k - 3 18 ; Best move: b7c6
The current state of the chess board is: Black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at a7, black bishop at b7, black pawn at c7, black pawn at e7 and black pawn at h7. Black pawn at a6, white knight at c6, black pawn at f6, black pawn at g6 and black queen at h6. White bishop at a5, black pawn at b5 and white pawn at c5. Black pawn at d4 and white pawn at h4. White pawn at d3 and white pawn at e3. White pawn at b2, white king at e2, white pawn at f2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white queen at d1 and white bishop at f1. Black kingside is the only castle move available. Half move number is 3. Full move number is 18. Black to move.