rnq1k2r/2p1ppb1/p3bn1p/P2p2p1/2p2P1P/R1PPP3/QP4P1/1NB1K1NR w kq - 0 18
FEN state: rnq1k2r/2p1ppb1/p3bn1p/P2p2p1/2p2P1P/R1PPP3/QP4P1/1NB1K1NR w kq - 0 18 ; Best move: h4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black king at e8 and black rook at h8. Black pawn at c7, black pawn at e7, black pawn at f7 and black bishop at g7. Black pawn at a6, black bishop at e6, black knight at f6 and black pawn at h6. White pawn at a5, black pawn at d5 and black pawn at g5. Black pawn at c4, white pawn at f4 and white pawn at h4. White rook at a3, white pawn at c3, white pawn at d3 and white pawn at e3. White queen at a2, white pawn at b2 and white pawn at g2. White knight at b1, white bishop at c1, white king at e1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 18. White to move.