rn5r/1b1kn2p/pqp1p2b/3p2p1/P1PPpPP1/3Q3B/7P/RNB2KNR w - - 4 18
FEN state: rn5r/1b1kn2p/pqp1p2b/3p2p1/P1PPpPP1/3Q3B/7P/RNB2KNR w - - 4 18 ; Best move: d3d1
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at h8. Black bishop at b7, black king at d7, black knight at e7 and black pawn at h7. Black pawn at a6, black queen at b6, black pawn at c6, black pawn at e6 and black bishop at h6. Black pawn at d5 and black pawn at g5. White pawn at a4, white pawn at c4, white pawn at d4, black pawn at e4, white pawn at f4 and white pawn at g4. White queen at d3 and white bishop at h3. White pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 18. White to move.