1r2k1nr/1b1pppbp/1qp5/pP6/4PQ2/N2B1P2/P1P3PP/2RK2NR w k - 0 18
FEN state: 1r2k1nr/1b1pppbp/1qp5/pP6/4PQ2/N2B1P2/P1P3PP/2RK2NR w k - 0 18 ; Best move: f4b8
The current state of the chess board is: Black rook at b8, black king at e8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at d7, black pawn at e7, black pawn at f7, black bishop at g7 and black pawn at h7. Black queen at b6 and black pawn at c6. Black pawn at a5 and white pawn at b5. White pawn at e4 and white queen at f4. White knight at a3, white bishop at d3 and white pawn at f3. White pawn at a2, white pawn at c2, white pawn at g2 and white pawn at h2. White rook at c1, white king at d1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 18. White to move.