rnbq3r/2pp1k1p/5ppn/pP6/RPPP1P2/2N1p3/3B2PP/4KQNR b K - 4 18
FEN state: rnbq3r/2pp1k1p/5ppn/pP6/RPPP1P2/2N1p3/3B2PP/4KQNR b K - 4 18 ; Best move: e3d2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black rook at h8. Black pawn at c7, black pawn at d7, black king at f7 and black pawn at h7. Black pawn at f6, black pawn at g6 and black knight at h6. Black pawn at a5 and white pawn at b5. White rook at a4, white pawn at b4, white pawn at c4, white pawn at d4 and white pawn at f4. White knight at c3 and black pawn at e3. White bishop at d2, white pawn at g2 and white pawn at h2. White king at e1, white queen at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 4. Full move number is 18. Black to move.