r2q1bnr/1b3k1p/n2pp3/pppN1BpP/8/5PP1/PPPPP1R1/R1BQK1N1 w Q - 0 13
FEN state: r2q1bnr/1b3k1p/n2pp3/pppN1BpP/8/5PP1/PPPPP1R1/R1BQK1N1 w Q - 0 13 ; Best move: f5e6
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black bishop at b7, black king at f7 and black pawn at h7. Black knight at a6, black pawn at d6 and black pawn at e6. Black pawn at a5, black pawn at b5, black pawn at c5, white knight at d5, white bishop at f5, black pawn at g5 and white pawn at h5. White pawn at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at d2, white pawn at e2 and white rook at g2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 13. White to move.