r1bqkb2/1ppppp1p/2n3r1/3n2p1/p1N5/6PB/PPPKPP1P/1RBQ2NR w q - 0 9
FEN state: r1bqkb2/1ppppp1p/2n3r1/3n2p1/p1N5/6PB/PPPKPP1P/1RBQ2NR w q - 0 9 ; Best move: d2e1
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at c6 and black rook at g6. Black knight at d5 and black pawn at g5. Black pawn at a4 and white knight at c4. White pawn at g3 and white bishop at h3. White pawn at a2, white pawn at b2, white pawn at c2, white king at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 9. White to move.