r1bq2r1/pp2nk2/2p1p1p1/3pP1p1/2nN1PP1/P6P/P1P1B2R/R1Q1K3 w Q - 0 18
FEN state: r1bq2r1/pp2nk2/2p1p1p1/3pP1p1/2nN1PP1/P6P/P1P1B2R/R1Q1K3 w Q - 0 18 ; Best move: d4f3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black rook at g8. Black pawn at a7, black pawn at b7, black knight at e7 and black king at f7. Black pawn at c6, black pawn at e6 and black pawn at g6. Black pawn at d5, white pawn at e5 and black pawn at g5. Black knight at c4, white knight at d4, white pawn at f4 and white pawn at g4. White pawn at a3 and white pawn at h3. White pawn at a2, white pawn at c2, white bishop at e2 and white rook at h2. White rook at a1, white queen at c1 and white king at e1. White queenside is the only castle move available. Half move number is 0. Full move number is 18. White to move.