rnb1kb1r/p2p1p1p/4p1p1/1pp4q/2P5/2NPPP1N/PP1Q2PR/R2K1B2 b kq - 1 13
FEN state: rnb1kb1r/p2p1p1p/4p1p1/1pp4q/2P5/2NPPP1N/PP1Q2PR/R2K1B2 b kq - 1 13 ; Best move: b5c4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at e6 and black pawn at g6. Black pawn at b5, black pawn at c5 and black queen at h5. White pawn at c4. White knight at c3, white pawn at d3, white pawn at e3, white pawn at f3 and white knight at h3. White pawn at a2, white pawn at b2, white queen at d2, white pawn at g2 and white rook at h2. White rook at a1, white king at d1 and white bishop at f1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. Black to move.