1n1q1bnr/r2k2pp/b2p1p1P/pppPp3/3R1P2/N1B2QK1/PPP3P1/5BNR w - - 2 18
FEN state: 1n1q1bnr/r2k2pp/b2p1p1P/pppPp3/3R1P2/N1B2QK1/PPP3P1/5BNR w - - 2 18 ; Best move: a3b5
The current state of the chess board is: Black knight at b8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at a7, black king at d7, black pawn at g7 and black pawn at h7. Black bishop at a6, black pawn at d6, black pawn at f6 and white pawn at h6. Black pawn at a5, black pawn at b5, black pawn at c5, white pawn at d5 and black pawn at e5. White rook at d4 and white pawn at f4. White knight at a3, white bishop at c3, white queen at f3 and white king at g3. White pawn at a2, white pawn at b2, white pawn at c2 and white pawn at g2. White bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. White to move.