Module:Sports table/Chess
-- Style for chess tables
 local pp = {}
 
 function pp.preprocess(Args,N_teams,prefix,drawfractions)
 	local legs = 1
 	for ii=1,N_teams do
 		local ti = Args['team' .. ii]
 		Args[prefix..'win_'..ti] = 0
 		Args[prefix..'draw_'..ti] = 0
 		Args[prefix..'loss_'..ti] = 0
 		local matchrow_str = Args[prefix..'matchrow_' .. ti] or ''
 		for jj=1,N_teams do
 			local tj = Args['team' .. jj] 
 			if ii ~= jj then
 				if matchrow_str ~= '' then
 					Args[prefix..'match_' .. ti .. '_' .. tj] = mw.ustring.match(matchrow_str, '^([^,]*),?')
 				end
 				local match_str = Args[prefix..'match_' .. ti .. '_' .. tj] or ''
 				local game_count = 1
 				while match_str ~= '' do
 					local gii = mw.ustring.match(match_str, '^([^%+]*)%+?')
 					gii = mw.ustring.gsub(gii or '','^%s*','')						-- Trim starting whitespace
 					gii = mw.ustring.gsub(gii or '','%s*$','')						-- Trim ending whitespace
 					if gii == '1' then
 						Args[prefix..'win_'..ti] = Args[prefix..'win_'..ti] + 1
 					elseif gii == '½' then
 						Args[prefix..'draw_'..ti] = Args[prefix..'draw_'..ti] + 1
 						if drawfractions then
 							gii = mw.getCurrentFrame():extensionTag{
 								name = 'templatestyles', args = { src = 'Screen reader-only/styles.css' }
 							} .. '&lt;span class=&quot;sr-only&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;sup&gt;1&lt;/sup&gt;&amp;frasl;&lt;sub&gt;2&lt;/sub&gt;'
 						end
 					elseif gii == '0' then
 						Args[prefix..'loss_'..ti] = Args[prefix..'loss_'..ti] + 1
 					end
 					Args[prefix..'match' .. game_count .. '_' .. ti .. '_' .. tj] = gii
 					match_str = mw.ustring.gsub(match_str, '^([^%+]*)', '') or ''	-- Remove gii from the match_str
 					if match_str ~= '' then											-- If there is still a plus sign
 						game_count = game_count + 1									-- Then there is another game in the match
 						match_str = mw.ustring.gsub(match_str, '^%+?', '') or ''	-- So remove the plus sign
 					end																-- And continue
 				end
 				if game_count &gt; legs then											-- If there are more games than expected
 					legs = game_count												-- Change the number of games
 				end
 			end
 			matchrow_str = mw.ustring.gsub(matchrow_str, '^([^,]*),?', '') or ''
 		end
 	end
 	Args[prefix..'legs'] = legs														-- And finally change the Arg at the end
 end
 
 function pp.header(t,Args,p_sub,pos_label,group_col,VTE_text,full_table,results_header_txt)
 	-- Load relevant modules
 	local yesno = require('Module:Yesno')
 	
 	-- Create table header
 	-- Pre stuff
 	local player_width = Args['playerwidth'] or '190'
 	local sort_text = ''
 	local sort_table_val = Args['sortable_table'] 	or 'no'
 	if yesno(sort_table_val) then sort_text = ' sortable' end
 	-- Open table
 	table.insert(t,'{|class=&quot;wikitable'..sort_text..'&quot; style=&quot;text-align:center;&quot;\n')
 	-- Table title
 	if Args['title'] or Args['table_header'] then
 		table.insert(t,'|+ ' .. (Args['title'] or Args['table_header']) .. '\n')
 	end
 	-- Preprocess match data
 	local top_pos = tonumber(Args['highest_pos']) or 1
 	local N_teams = top_pos - 1 -- Default to 0 at start, but higher number needed to skip certain entries
 	while Args['team'..N_teams+1] ~= nil do N_teams = N_teams+1 end
 	pp.preprocess(Args,N_teams,'',yesno(Args['crosstable_fractions'] or 'no'))
 	local tb_numplayers = tonumber(Args['tb_numplayers']) or 0
 	if tb_numplayers &gt; N_teams then
 		tb_numplayers = N_teams
 		Args['tb_numplayers'] = N_teams
 	end
 	if tb_numplayers &gt;= 2 then
 		pp.preprocess(Args,tb_numplayers,'tb',yesno(Args['crosstable_fractions'] or 'no'))
 	end
 	-- Which columns to show
 	local show_rating = yesno(Args['show_rating'] or 'no')
 	local show_played = not yesno(Args['hide_played'] or 'no')
 	local hth_first = yesno(Args['hth_before_w'] or 'yes')
 	local show_hth = yesno(Args['show_hth'] or 'yes')
 	local show_win = yesno(Args['show_win'] or 'yes')
 	local show_draw = yesno(Args['show_draw'] or 'no')
 	local show_loss = yesno(Args['show_loss'] or 'no')
 	local sb_first = yesno(Args['sb_before_w'] or 'no')
 	local show_sb = yesno(Args['show_sb'] or 'no')
 	local extra_cols = tonumber(Args['extra_cols']) or 0
 	-- Custom header options
 	local group_head_text = Args['group_header'] or '&lt;abbr title=&quot;Group&quot;&gt;Grp&lt;/abbr&gt;'
 	local player_head_text = Args['player_header'] or 'Player'
 
 	-- Initialize
 	local tt = {}
 	tt.count = 0 		-- Up by one after every call
 	tt.tab_text = t		-- Actual text
 	-- Actual headers
 	if pos_label ~= nil then
 		tt = p_sub.colhead(tt,28,pos_label)										-- Position col
 	end
 	-- Add group header
 	if full_table and group_col then
 		tt = p_sub.colhead(tt,28,group_head_text)								-- Group col
 	end
 	tt = p_sub.colhead(tt,player_width,player_head_text..VTE_text)				-- Player col
 	if full_table and show_rating then
 		local rate_date = Args['rate_date'] or ''
 		tt = p_sub.colhead(tt,28, '[[FIDE world rankings|Rating]]&lt;br/&gt;&lt;small&gt;&lt;span style=&quot;white-space:nowrap&quot;&gt;'..rate_date..'&lt;/span&gt;&lt;/small&gt;')
 	end
 	if show_played then
 		tt = p_sub.colhead(tt,28, '&lt;abbr title=&quot;Games Played&quot;&gt;Pld&lt;/abbr&gt;')		-- Games played col
 	end
 	tt = p_sub.colhead(tt,28, 'Score')											-- Score col
 	if full_table then
 		if show_hth and hth_first then
 			tt = p_sub.colhead(tt,28, '&lt;abbr title=&quot;Head-to-head&quot;&gt;H2H&lt;/abbr&gt;')	-- Head-to-head col
 		end
 		if show_sb and sb_first then
 			tt = p_sub.colhead(tt,28, '&lt;abbr title=&quot;Sonneborn–Berger score&quot;&gt;[[Sonneborn–Berger score|SB]]&lt;/abbr&gt;')
 		end
 		if show_win then
 			tt = p_sub.colhead(tt,28, 'Wins')									-- Wins col
 		end
 		if show_draw then
 			tt = p_sub.colhead(tt,28, 'Draws')									-- Draws col
 		end
 		if show_loss then
 			tt = p_sub.colhead(tt,28, 'Losses')									-- Losses col
 		end
 		if show_hth and not hth_first then
 			tt = p_sub.colhead(tt,28, '&lt;abbr title=&quot;Head-to-head&quot;&gt;H2H&lt;/abbr&gt;')	-- Head-to-head col if not first tiebreak
 		end
 		if show_sb and not sb_first then
 			tt = p_sub.colhead(tt,28, '&lt;abbr title=&quot;Sonneborn–Berger score&quot;&gt;[[Sonneborn–Berger score|SB]]&lt;/abbr&gt;')
 		end
 		for ecol=1,extra_cols do
 			local extra_head_text = Args['extra_header'..ecol] or ('Extra' .. ecol)
 			tt = p_sub.colhead(tt,28,extra_head_text)
 		end
 		tt.count = tt.count+1
 		table.insert(tt.tab_text,results_header_txt)
 	end
 	
 	return tt
 end
 
 function pp.row(frame,t,Args,p_sub,notes_exist,hth_id_list,full_table,rand_val,team_list,team_code_ii,ii_start,ii_end,ii_fw,bg_col,N_teams,ii,ii_show)
 	-- Build the inner parts of individual rows
 	
 	-- Sub-module usage
 	local mm = require('Module:Math')
 	local yesno = require('Module:Yesno')
 	
 	-- Get custom/default options for in table
 	local win_points = tonumber(Args['winpoints'])				or 1
 	local draw_points = tonumber(Args['drawpoints'])			or 0.5
 	local loss_points = tonumber(Args['losspoints'])			or 0
 	
 	-- Get some input
 	local wins = tonumber(Args['win_'..team_code_ii])			or 0
 	local draws = tonumber(Args['draw_'..team_code_ii]) 		or 0
 	local losses = tonumber(Args['loss_'..team_code_ii])		or 0
 	local hth_local = Args['hth_'..team_code_ii]				or ''
 	local show_rating = yesno(Args['show_rating'] or 'no')
 	local show_played = not yesno(Args['hide_played'] or 'no')
 	local score_over_played = yesno(Args['score_over_played'] or 'no')
 	local hth_first = yesno(Args['hth_before_w'] or 'yes')
 	local show_hth = yesno(Args['show_hth'] or 'yes')
 	local show_win = yesno(Args['show_win'] or 'yes')
 	local show_draw = yesno(Args['show_draw'] or 'no')
 	local show_loss = yesno(Args['show_loss'] or 'no')
 	local wdl_iff_hth = yesno(Args['wdl_iff_hth'] or 'no')
 	local sb_first = yesno(Args['sb_before_w'] or 'no')
 	local show_sb = yesno(Args['show_sb'] or 'no')
 	local nosb = yesno(Args['nosb_'..team_code_ii] or 'no')
 	local sb_iff_hth = yesno(Args['sb_iff_hth'] or 'no')
 	local extra_cols = tonumber(Args['extra_cols']) or 0
 	local disp_fractions = yesno(Args['disp_fractions'] or 'yes')
 	-- Then calculate some values
 	local matches = wins + draws + losses
 	local points = win_points*wins + draw_points*draws + loss_points*losses
 	local sb_score = 0
 	
 	local templatestyles = mw.getCurrentFrame():extensionTag{
 		name = 'templatestyles', args = { src = 'Screen reader-only/styles.css' }
 	}
 	hth_local = mw.ustring.gsub(hth_local, '%s*½', '.5')
 	if hth_local == '' then
 		hth_local = '&amp;mdash;'
 	elseif disp_fractions then
 		hth_local = tonumber(hth_local) or 0
 		if math.floor(hth_local) ~= hth_local then
 			if math.floor(hth_local) &gt; 0 then
 				hth_local = math.floor(hth_local) .. templatestyles .. '&lt;span class=&quot;sr-only&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;sup&gt;1&lt;/sup&gt;&amp;frasl;&lt;sub&gt;2&lt;/sub&gt;'
 			else
 				hth_local = templatestyles .. '&lt;span class=&quot;sr-only&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;sup&gt;1&lt;/sup&gt;&amp;frasl;&lt;sub&gt;2&lt;/sub&gt;'
 			end
 		end
 	end
 
 	if score_over_played then
 		points = '&lt;span style=&quot;white-space:nowrap&quot;&gt;' .. points .. ' / ' .. matches .. '&lt;/span&gt;'
 	elseif disp_fractions then
 		if math.floor(points) ~= points then
 			if math.floor(points) &gt; 0 then
 				points = math.floor(points) .. templatestyles .. '&lt;span class=&quot;sr-only&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;sup&gt;1&lt;/sup&gt;&amp;frasl;&lt;sub&gt;2&lt;/sub&gt;'
 			else
 				points = templatestyles .. '&lt;span class=&quot;sr-only&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;sup&gt;1&lt;/sup&gt;&amp;frasl;&lt;sub&gt;2&lt;/sub&gt;'
 			end
 		end
 	end
 
 	-- Sonneborn–Berger score
 	if show_sb then
 		if (sb_iff_hth and hth_local == '&amp;mdash;') or nosb then
 			sb_score = '&amp;mdash;'
 		end
 		if sb_score == 0 then
 			local legs = tonumber(Args['legs']) or 1
 			for jj=1,N_teams do
 				local tj = Args['team' .. jj]
 				local tjpoints = win_points*Args['win_'..tj] + draw_points*Args['draw_'..tj] + loss_points*Args['loss_'..tj]
 				if ii ~= jj then
 					local match_str = Args['match_' .. team_code_ii .. '_' .. tj] or ''
 					for l=1,legs do
 						local gii = mw.ustring.match(match_str, '^%s*([^%+%s]*)%s*%+?')
 						if gii == '1' then
 							sb_score = sb_score + win_points*tjpoints
 						elseif gii == '½' then
 							sb_score = sb_score + draw_points*tjpoints
 						elseif gii == '0' then
 							sb_score = sb_score + loss_points*tjpoints
 						end
 						match_str = mw.ustring.gsub(match_str, '^%s*([^%+%s]*)%s*%+?', '') or ''
 					end
 				end
 			end
 		end
 	end
 	
 	-- Some local vars	
 	local hth_string
 	local tt_return = p_sub.hth(frame,Args,full_table,hth_id_list,nil,notes_exist,team_list,team_code_ii,ii_start,ii_end,rand_val)
 	hth_string = tt_return.str
 	hth_id_list = tt_return.list
 	notes_exist = tt_return.notes_exist
 	
 	-- Row building
 	if full_table and show_rating then
 		local rateii = Args['rating_'..team_code_ii] or ''
 		table.insert(t,'| style=&quot;'..ii_fw..bg_col..'&quot; |'..rateii..'\n')					-- Rating
 	end
 	if show_played then
 		table.insert(t,'| style=&quot;'..ii_fw..bg_col..'&quot; |'..matches..'\n')				-- Played
 	end
 	table.insert(t,'| style=&quot;font-weight: bold;'..bg_col..'&quot; | '..points..'\n')			-- Points
 	if full_table then
 		if show_hth and hth_first then
 			table.insert(t,'| style=&quot;'..ii_fw..bg_col..'&quot; |'..(hth_local or '')..'\n')	-- Head-to-head
 		end
 		if show_sb and sb_first then
 			table.insert(t,'| style=&quot;'..ii_fw..bg_col..'&quot; |'..sb_score..'\n')			-- Sonneborn–Berger
 		end
 		if show_win then
 			if wdl_iff_hth and hth_local == '&amp;mdash;' then
 				wins = '&amp;mdash;'
 			end
 			table.insert(t,'| style=&quot;'..ii_fw..bg_col..'&quot; |'..wins..'\n')				-- Won
 		end
 		if show_draw then
 			if wdl_iff_hth and hth_local == '&amp;mdash;' then
 				draws = '&amp;mdash;'
 			end
 			table.insert(t,'| style=&quot;'..ii_fw..bg_col..'&quot; |'..draws..'\n')				-- Drew
 		end
 		if show_loss then
 			if wdl_iff_hth and hth_local == '&amp;mdash;' then
 				losses = '&amp;mdash;'
 			end
 			table.insert(t,'| style=&quot;'..ii_fw..bg_col..'&quot; |'..losses..'\n')				-- Lost
 		end
 		if show_hth and not hth_first then
 			table.insert(t,'| style=&quot;'..ii_fw..bg_col..'&quot; |'..(hth_local or '')..'\n')	-- Head-to-head if not first tiebreak
 		end
 		if show_sb and not sb_first then
 			table.insert(t,'| style=&quot;'..ii_fw..bg_col..'&quot; |'..sb_score..'\n')			-- Sonneborn–Berger
 		end
 		for ecol=1,extra_cols do
 			local extraii = Args['extra'..ecol..'_'..team_code_ii] or ''
 			table.insert(t,'| style=&quot;'..ii_fw..bg_col..'&quot; |'..extraii..'\n')			-- Extra
 		end
 	end
 
 	return {t=t, notes_exist=notes_exist, hth_id_list=hth_id_list}
 end
 
 function pp.status(Args)
 	-- Declare status options
 	-- ------------------------------------------------------------
 	-- NOTE: If you add to status_code, also add to status_called and status_letters!!
 	-- Or functionality will be compromised
 	-- ------------------------------------------------------------
 	local status_code, status_called = {}
 	status_code = {	A='Advance to a further round', C='Champion', D='Disqualified', 
 		E='Eliminated', G='Guest', H='Host', O='Play-off winner', P='Promoted', Q='Qualified to the phase indicated',
 		R='Relegated', T='Qualified, but not yet to the particular phase indicated',
 		X='?', Y='?', Z='?'}
 	status_called = {	A=false, C=false, D=false, E=false, G=false, H=false, O=false, P=false,
 		Q=false, R=false, T=false, X=false, Y=false, Z=false}
 	local status_letters = 'ACDEGHOPQRTXYZ'
 	
 	-- Status position (before or after read and default)
 	local stat_pos_val = Args['status_pos'] or ''
 	local status_position = 'after' 	-- Default location
 	stat_pos_val = string.lower(stat_pos_val)
 	if stat_pos_val=='before' then
 		status_position = 'before'
 	elseif stat_pos_val=='after' then
 		status_position = 'after'
 	end
 	-- Read in custom status options
 	for l in mw.text.gsplit(status_letters, '') do
 		if Args['status_text_' .. l] then
 			status_code[l] = Args['status_text_' .. l]
 		end
 	 end
 	
 	return {code=status_code, called=status_called, letters=status_letters, position=status_position}
 end