rn2kr2/1p2q1pp/2p2pb1/3p4/pb1PnBP1/NP1Q1N2/P1P3BP/R2K3R w q - 2 18
FEN state: rn2kr2/1p2q1pp/2p2pb1/3p4/pb1PnBP1/NP1Q1N2/P1P3BP/R2K3R w q - 2 18 ; Best move: d3e3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at f8. Black pawn at b7, black queen at e7, black pawn at g7 and black pawn at h7. Black pawn at c6, black pawn at f6 and black bishop at g6. Black pawn at d5. Black pawn at a4, black bishop at b4, white pawn at d4, black knight at e4, white bishop at f4 and white pawn at g4. White knight at a3, white pawn at b3, white queen at d3 and white knight at f3. White pawn at a2, white pawn at c2, white bishop at g2 and white pawn at h2. White rook at a1, white king at d1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 18. White to move.