r1b1kb2/1p2qppr/pnn5/P1pppP1p/1PB4P/2P1P1P1/RB1P4/1N1QK1NR b Kq - 1 13
FEN state: r1b1kb2/1p2qppr/pnn5/P1pppP1p/1PB4P/2P1P1P1/RB1P4/1N1QK1NR b Kq - 1 13 ; Best move: b6c4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at b7, black queen at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black pawn at a6, black knight at b6 and black knight at c6. White pawn at a5, black pawn at c5, black pawn at d5, black pawn at e5, white pawn at f5 and black pawn at h5. White pawn at b4, white bishop at c4 and white pawn at h4. White pawn at c3, white pawn at e3 and white pawn at g3. White rook at a2, white bishop at b2 and white pawn at d2. White knight at b1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 1. Full move number is 13. Black to move.