rnbk1bn1/1p3pp1/p2ppr2/2p2q2/P6p/1RPP1P1P/1B2Q1P1/1N2KBNR w - - 8 18
FEN state: rnbk1bn1/1p3pp1/p2ppr2/2p2q2/P6p/1RPP1P1P/1B2Q1P1/1N2KBNR w - - 8 18 ; Best move: b1d2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8, black bishop at f8 and black knight at g8. Black pawn at b7, black pawn at f7 and black pawn at g7. Black pawn at a6, black pawn at d6, black pawn at e6 and black rook at f6. Black pawn at c5 and black queen at f5. White pawn at a4 and black pawn at h4. White rook at b3, white pawn at c3, white pawn at d3, white pawn at f3 and white pawn at h3. White bishop at b2, white queen at e2 and white pawn at g2. White knight at b1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 8. Full move number is 18. White to move.