r1b2bnr/1p1npp1p/pN2k3/2p3B1/2q1P3/N3Q3/PP3PPP/R3KBR1 w Q - 0 13
FEN state: r1b2bnr/1p1npp1p/pN2k3/2p3B1/2q1P3/N3Q3/PP3PPP/R3KBR1 w Q - 0 13 ; Best move: f1c4
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black knight at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at a6, white knight at b6 and black king at e6. Black pawn at c5 and white bishop at g5. Black queen at c4 and white pawn at e4. White knight at a3 and white queen at e3. White pawn at a2, white pawn at b2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 13. White to move.