r3k1n1/p1pp2r1/1pn1p3/5p1p/NPbb4/2P1PN1P/P5P1/R1qQKB1R w q - 2 22
FEN state: r3k1n1/p1pp2r1/1pn1p3/5p1p/NPbb4/2P1PN1P/P5P1/R1qQKB1R w q - 2 22 ; Best move: a1c1
The current state of the chess board is: Black rook at a8, black king at e8 and black knight at g8. Black pawn at a7, black pawn at c7, black pawn at d7 and black rook at g7. Black pawn at b6, black knight at c6 and black pawn at e6. Black pawn at f5 and black pawn at h5. White knight at a4, white pawn at b4, black bishop at c4 and black bishop at d4. White pawn at c3, white pawn at e3, white knight at f3 and white pawn at h3. White pawn at a2 and white pawn at g2. White rook at a1, black queen at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 22. White to move.