r3k1n1/pbp2pr1/1p1p3b/6p1/2PnP3/Q4q2/PP3R2/1RB1KBN1 b q - 1 18
FEN state: r3k1n1/pbp2pr1/1p1p3b/6p1/2PnP3/Q4q2/PP3R2/1RB1KBN1 b q - 1 18 ; Best move: f3e4
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 bishop at b7, black pawn at c7, black pawn at f7 and black rook at g7. Black pawn at b6, black pawn at d6 and black bishop at h6. Black pawn at g5. White pawn at c4, black knight at d4 and white pawn at e4. White queen at a3 and black queen at f3. White pawn at a2, white pawn at b2 and white rook at f2. White rook at b1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 18. Black to move.