rn2kbnr/p1qpp1p1/b5P1/1p3p2/5P2/Bp2PN2/P1PP1KBP/RN1QR3 b kq - 3 13
FEN state: rn2kbnr/p1qpp1p1/b5P1/1p3p2/5P2/Bp2PN2/P1PP1KBP/RN1QR3 b kq - 3 13 ; Best move: b5b4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black queen at c7, black pawn at d7, black pawn at e7 and black pawn at g7. Black bishop at a6 and white pawn at g6. Black pawn at b5 and black pawn at f5. White pawn at f4. White bishop at a3, black pawn at b3, white pawn at e3 and white knight at f3. White pawn at a2, white pawn at c2, white pawn at d2, white king at f2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1 and white rook at e1. Black kingside and black queenside castles are available. Half move number is 3. Full move number is 13. Black to move.