rn1q1kn1/4ppb1/ppp4r/3p2Pp/2P1PKbP/PPN5/2QP2P1/R1B2BNR w - - 0 18
FEN state: rn1q1kn1/4ppb1/ppp4r/3p2Pp/2P1PKbP/PPN5/2QP2P1/R1B2BNR w - - 0 18 ; Best move: d2d4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at f8 and black knight at g8. Black pawn at e7, black pawn at f7 and black bishop at g7. Black pawn at a6, black pawn at b6, black pawn at c6 and black rook at h6. Black pawn at d5, white pawn at g5 and black pawn at h5. White pawn at c4, white pawn at e4, white king at f4, black bishop at g4 and white pawn at h4. White pawn at a3, white pawn at b3 and white knight at c3. White queen at c2, white pawn at d2 and white pawn at g2. White rook at a1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. White to move.