rn2k2r/pb3pB1/2pp3n/1p2pqpp/NP1PN1PP/8/P1PKBP2/R2Q3R w q - 2 22
FEN state: rn2k2r/pb3pB1/2pp3n/1p2pqpp/NP1PN1PP/8/P1PKBP2/R2Q3R w q - 2 22 ; Best move: e4d6
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at f7 and white bishop at g7. Black pawn at c6, black pawn at d6 and black knight at h6. Black pawn at b5, black pawn at e5, black queen at f5, black pawn at g5 and black pawn at h5. White knight at a4, white pawn at b4, white pawn at d4, white knight at e4, white pawn at g4 and white pawn at h4. White pawn at a2, white pawn at c2, white king at d2, white bishop at e2 and white pawn at f2. White rook at a1, white queen at d1 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.