rnbk4/2pp2pr/np1q1p2/4p3/1P3P2/3P2P1/2PQP2P/1NBK1BR1 w - - 0 18
FEN state: rnbk4/2pp2pr/np1q1p2/4p3/1P3P2/3P2P1/2PQP2P/1NBK1BR1 w - - 0 18 ; Best move: f1g2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black king at d8. Black pawn at c7, black pawn at d7, black pawn at g7 and black rook at h7. Black knight at a6, black pawn at b6, black queen at d6 and black pawn at f6. Black pawn at e5. White pawn at b4 and white pawn at f4. White pawn at d3 and white pawn at g3. White pawn at c2, white queen at d2, white pawn at e2 and white pawn at h2. White knight at b1, white bishop at c1, white king at d1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 18. White to move.