rnb1k2r/p4ppp/2pBpn2/1p1p3P/1P1P4/2NKb2P/P1P1P1BR/R2Q2N1 w - - 0 18
FEN state: rnb1k2r/p4ppp/2pBpn2/1p1p3P/1P1P4/2NKb2P/P1P1P1BR/R2Q2N1 w - - 0 18 ; Best move: d3e3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at c6, white bishop at d6, black pawn at e6 and black knight at f6. Black pawn at b5, black pawn at d5 and white pawn at h5. White pawn at b4 and white pawn at d4. White knight at c3, white king at d3, black bishop at e3 and white pawn at h3. White pawn at a2, white pawn at c2, white pawn at e2, white bishop at g2 and white rook at h2. White rook at a1, white queen at d1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. White to move.