<?php
define("TOURNAMENT_FILE", "./players.txt");
define("NUMBEROFACCEPTEDPLAYERS", 16);
date_default_timezone_set("UTC");
if (!file_exists(TOURNAMENT_FILE)) {
save_tournament(array("players" => array(), "waiters" => array()));
}
function read_tournament()
{
$filecontent = file_get_contents(TOURNAMENT_FILE);
return json_decode($filecontent, true);
}
function save_tournament($tournament)
{
file_put_contents(TOURNAMENT_FILE, json_encode($tournament, JSON_UNESCAPED_UNICODE));
}
function saveRanking($game_id,$action,$playersColor,$flagFall=0){
GLOBAL $CFG_MIN_ROUNDS,$CFG_LOG_PATH,$CFG_LOG_DEBUG,$CFG_ENABLE_TRIAL_RATING;
if ($playersColor == "white")
$opponentColor = "black";
else
$opponentColor = "white";
$p = mysql_query("SELECT count(*) FROM history WHERE game_id='$game_id'");
$row = mysql_fetch_array($p);
$xRounds = ceil($row[0]/2);
$p = mysql_query("SELECT white_player,black_player,dateCreated,ratingWhite,ratingBlack,ratingBlackM,ratingWhiteM,oficial,PVBlack,PVWhite,status,teamMatch FROM games WHERE game_id='$game_id'");
$row = mysql_fetch_array($p);
$xDateCreated = $row[2];
$official = $row['oficial'];
$Match = $row['teamMatch'];
if ($row[status] != "")
displayError("This game was already finished!","mainmenu.php");
if ($playersColor == "white"){
$xplayerID = $row[0];
$xopponentID = $row[1];
$white_player=$row[0];
$black_player=$row[1];
if ($row['PVWhite'] >=0 && $row['PVBlack'] >=0){
$PVplayer = $row['PVWhite'];
$PVopponent = $row['PVBlack'];
}
else{
$PVplayer = getPV($row[0]);
$PVopponent = getPV($row[1]);
}
if ($row['ratingWhite'] >0 && $row['ratingWhiteM'] >0 && $row['ratingBlack'] >0 && $row['ratingBlackM'] >0){
$xplayerRating = $row['ratingWhite'];
//$xplayerRating = round((($row['ratingWhite'] + getRating($xplayerID))/2),4);
//$xplayerRatingM = $row['ratingBlackM'];
$xopponentRating = $row['ratingBlack'];
//$xopponentRating = round((($row['ratingBlack'] + getRating($xopponentID))/2),4);
//$xopponentRatingM = $row['ratingWhiteM'];
}else{
$xplayerRating = getRating($xplayerID);
//$xplayerRatingM = getRatingMonth($xplayerID);
$xopponentRating = getRating($xopponentID);
//$xopponentRatingM = getRatingMonth($xopponentID);
}
}else{
$xopponentID = $row[0];
$xplayerID = $row[1];
$white_player=$row[1];
$black_player=$row[0];
if ($row['PVWhite'] >=0 && $row['PVBlack'] >=0){
$PVplayer = $row['PVBlack'];
$PVopponent = $row['PVWhite'];
}
else{
$PVplayer = getPV($row[1]);
$PVopponent = getPV($row[0]);
}
if ($row['ratingWhite'] >0 && $row['ratingWhiteM'] >0 && $row['ratingBlack'] >0 && $row['ratingBlackM'] >0){
$xplayerRating = $row['ratingBlack'];
//$xplayerRating = round((($row['ratingBlack'] + getRating($xplayerID))/2),4);
//$xplayerRatingM = $row['ratingBlackM'];
$xopponentRating = $row['ratingWhite'];
//$xopponentRating = round((($row['ratingWhite'] + getRating($xopponentID))/2),4);
//$xopponentRatingM = $row['ratingWhiteM'];
}else{
$xplayerRating = getRating($xplayerID);
//$xplayerRatingM = getRatingMonth($xplayerID);
$xopponentRating = getRating($xopponentID);
//$xopponentRatingM = getRatingMonth($xopponentID);
}
}
mysql_query("delete from {$db_prefix}messages where game_id=".$game_id);
mysql_query("delete from chat where game_id=".$game_id);
if ($action == "draw"){
$pointsw = 1;
$pointsl = 1;
$sum = 15;
$message = "draw";
$winner = $xplayerID;
$loser = $xopponentID;
$winnerRating = $xplayerRating;
$loserRating = $xopponentRating;
$PVG = $PVplayer;
$PVP = $PVopponent;
}else if($action == "resign"){
$pointsw = 2;
$pointsl = 0;
$sum = 30;
$message = "playerResigned";
$winner = $xopponentID;
$loser = $xplayerID;
$winnerRating = $xopponentRating;
$loserRating = $xplayerRating;
$PVG = $PVopponent;
$PVP = $PVplayer;
}else if($action == "checkmate"){
$pointsw = 2;
$pointsl = 0;
$sum = 30;
$message = "checkMate";
$winner = $xplayerID;
$loser = $xopponentID;
$winnerRating = $xplayerRating;
$loserRating = $xopponentRating;
$PVG = $PVplayer;
$PVP = $PVopponent;
}
if($official == "1" && ($xRounds>=$CFG_MIN_ROUNDS || $action == "checkmate")){
$RatingG = getRating($winner);
$RatingP = getRating($loser);
////////////////////////////////////////////////////////
// Calculating the new Ratings
// New Code by Helge Dietert ( winterfrost ) with help from Tilko Dietert ( tilko )
// Implemented after ELO http://www.schachklub-hietzing.at/elosystem.html
// Assume that every player has a rating, because every new player has a
// initial rating of 1500. This behaviour does not match the official rules.
// Perhaps set no rating as 0 and modify code.
// Because this is an adaptive system the minimum condition must be reduced to 1.
// New variables are prefixed with rh
////////////////////////////////////////////////////////
// Number of games
$rhStatsG = getStatsUser($winner,1);
$rhGNumberGames = $rhStatsG[0]+$rhStatsG[1]+$rhStatsG[2];
$rhStatsP = getStatsUser($loser,1);
$rhPNumberGames = $rhStatsP[0]+$rhStatsP[1]+$rhStatsP[2];
// Factors for the winner and loser
$rhGFactor = ( (double) 3400 - $RatingG ) * ( (double) 3400 - $RatingG ) / 100000.0;
$rhPFactor = ( (double) 3400 - $RatingP ) * ( (double) 3400 - $RatingP ) / 100000.0;
// Reduce factor ?
//if ($rhGNumberGames > 850.0 / $rhGFactor)
//$rhGFactor = 850.0 / $rhGNumberGames;
//if ($rhPNumberGames > 850.0 / $rhPFactor)
//$rhPFactor = 850.0 / $rhPNumberGames;
// Difference of Ratings
$rhDiffGP = $RatingG-$RatingP;
// Expectation of Result
$rhExG = 0.5
+ 0.001 * $rhDiffGP * ( 1.4217 - 0.001 * abs($rhDiffGP) * ( 0.24336
+ 0.001 * abs($rhDiffGP) * ( 2.514 - abs($rhDiffGP) * 0.001991)));
if ( $rhExG > 1 ) $rhExG = 1; // Maximal Result is 1
if ( $rhExG < 0 ) $rhExG = 0; // Minimal Result is 0
$rhExP = 1 - $rhExG;
// real Result
$rhReG = 1;
$rhReP = 0;
if ( $action == "draw" )
{
$rhReG = 0.5;
$rhReP = 0.5;
}
// Set xpw ( number of won points ) ans xpl ( number of lost points )
// xpl is the number of lost point, so if he lost points the value must be positiv
$xpw = floor( ( $rhReG - $rhExG ) * $rhGFactor + 0.5 );
$xpl = floor( ( $rhReP - $rhExP ) * $rhPFactor + 0.5 );
// New Ratings
$NewRatingG = $RatingG + $xpw;
if ($action == "draw" )
{
$NewRatingP = $RatingP + $xpl;
}
else
{
$xpl = $xpl * (-1); // Because if he'll lose points this value is already negativ
$NewRatingP = $RatingP - $xpl;
}
// Minimum points at 900
if ( $NewRatingP < 900 )
{
$NewRatingP = 900;
$xpl = $RatingP - 900;
}
/////////////////////////////////////////////////////////////////
// End of new rating-code
/////////////////////////////////////////////////////////////////
/* Old Version
$RatingG = getRating($winner);
$RatingP = getRating($loser);
$dif1 = $loserRating-$winnerRating;
$dif2 = $winnerRating-$loserRating;
if ($dif1>300)$dif1=300;
if ($dif1<-300)$dif1=-300;
if ($dif2>300)$dif2=300;
if ($dif2<-300)$dif2=-300;
if ($action == "draw")
$FOG = ($PVG+$dif2)/10;
else
$FOG = ($PVG+$dif1)/10;
$FOP = ($PVP+$dif1)/10;
$xpw = floor(($FOP+$sum)/2);
$xpl = floor(($FOG+$sum)/2);
if ($action == "draw"){
if ($xpw<0)$xpw=0;
if ($xpl<0)$xpl=0;
}else{
if ($xpw == 0)$xpw=1;
if ($xpl == 0)$xpl=1;
}
$NewRatingG = $RatingG + $xpw;
if ($action == "draw")
$NewRatingP = $RatingP + $xpl;
else
$NewRatingP = $RatingP - $xpl;
if ($NewRatingP < 900){
$xpl = $RatingP - 900;
$NewRatingP = 900;
}
if ($NewRatingG < 900){
$xpw = $RatingG - 900;
$NewRatingG = 900;
}*/
# Monthly
$NewRatingGm = $NewRatingG;
$NewRatingPm = $NewRatingP;
/*
$RatingGm = getRatingMonth($winner);
$RatingPm = getRatingMonth($loser);
$dif1m = $loserRatingM-$winnerRatingM;
$dif2m = $winnerRatingM-$loserRatingM;
if ($dif1m>300)$dif1m=300;
if ($dif1m<-300)$dif1m=-300;
if ($dif2m>300)$dif2m=300;
if ($dif2m<-300)$dif2m=-300;
if ($action == "draw")
$FOGm = ($PVG+$dif2m)/10;
else
$FOGm = ($PVG+$dif1m)/10;
$FOPm = ($PVP+$dif1m)/10;
$xpwm = floor(($FOPm+$sum)/2);
$xplm = floor(($FOGm+$sum)/2);
$NewRatingGm = $RatingGm + $xpwm;
if ($action == "draw")
$NewRatingPm = $RatingPm + $xplm;
else
$NewRatingPm = $RatingPm - $xplm;
if ($NewRatingPm < 1300)
$xplm = $RatingPm - 1300;
if ($NewRatingGm < 1300)
$xpwm = $RatingGm - 1300;
*/
$maxG = getMaxRating($winner);
$maxP = getMaxRating($loser);
if ($NewRatingG > $maxG)
$maxG = $NewRatingG;
if ($NewRatingP > $maxP)
$maxP = $NewRatingP;
if ($NewRatingG < 900 || $NewRatingP < 900 || $xpw < -100 || $xpw > 100 || $xpl < -100 || $xpl > 100){
$msg = "Fatal Error at chessdb!<BR><BR>";
$msg .= "
Game ID: $game_id<BR>
Winner ID: $winner<BR>
Loser ID: $loser<BR>
Winner Rating: $RatingG<BR>
Loser Rating: $RatingP<BR>
X Winner Rating:: $winnerRating<BR>
X Loser Rating: $loserRating<BR>
Winner's % Victories: $PVG<BR>
Loser's % Victories: $PVP<BR>
DIF1: $dif1<BR>
DIF2: $dif2<BR>
FOG: $FOG<BR>
FOP: $FOP<BR>
Winner's new Rating: $NewRatingG<BR>
Loser's new Rating: $NewRatingP<BR>
Winner's earned: $xpw<BR>
Loser's lost: $xpl<BR><BR>
";
$log = "\"Faltal Error\" \"Game: $game_id\" \"Winner: $winner/$xpw/$NewRatingG\" \"Loser: $loser/$xpl/$NewRatingP\"";
if ($CFG_LOG_PATH =! "" && $CFG_LOG_DEBUG)
grava_log("webchess.log",$log,$CFG_LOG_PATH);
displayError($msg,"mainmenu.php");
}
mysql_query("UPDATE {$db_prefix}players SET pontos=pontos+$pointsw WHERE playerID='$winner'");
mysql_query("UPDATE {$db_prefix}players SET pontos=pontos+$pointsl WHERE playerID='$loser'");
//If the player has a team, save the points to the team:
$tpt = mysql_query("SELECT * FROM games WHERE team > '0' AND ((white_player = '$winner' OR black_player = '$winner') AND (white_player = '$loser' OR black_player = '$loser')) AND status = ''");
$t2 = mysql_query("SELECT * FROM games WHERE teamMatch > '0' AND ((white_player = '$winner' OR black_player = '$winner') AND (white_player = '$loser' OR black_player = '$loser')) AND status = ''");
if (mysql_num_rows($t2) >0 && mysql_num_rows($tpt) ==0){
$t3 = mysql_query("select * from team_members where fk_player='$winner' and level>'0'");
if (mysql_num_rows($t3) >0){
$rt = mysql_fetch_array($t);
mysql_query("UPDATE team set points=points+$pointsw WHERE teamID='$rt[fk_team]'");
}
}
if (mysql_num_rows($tpt) >= 1) {
$gt = mysql_fetch_array($tpt);
$t = mysql_query("select * from team_members where fk_player='$winner' and level>'0'");
if (mysql_num_rows($t) >0){
$rt = mysql_fetch_array($t);
mysql_query("UPDATE team set points=points+$pointsw WHERE teamID='$rt[fk_team]'");
mysql_query("UPDATE matches set match_points1=match_points1+$pointsw where team1='$rt[fk_team]' and match_id='$gt[team]' and status=''");
//mysql_query("UPDATE matches set match_points1=match_points1+$pointsw where team1='$rt[fk_team]' and match_id='$gt[team]' and status=''");
mysql_query("UPDATE matches set match_points2=match_points2+$pointsw where team2='$rt[fk_team]' and match_id='$gt[team]' and status=''");
//mysql_query("UPDATE matches set match_points2=match_points2+$pointsw where team2='$rt[fk_team]' and match_id='$gt[team]' and status=''");
}
}
mysql_query("UPDATE {$db_prefix}players SET rating_max='$maxG',rating_month=$NewRatingGm,rating='$NewRatingG' WHERE playerID='$winner'")
or die("Update Error");
mysql_query("UPDATE {$db_prefix}players SET rating_max='$maxP',rating_month=$NewRatingPm,rating='$NewRatingP' WHERE playerID='$loser'")
or die("Update Error");
mysql_query("UPDATE games SET flagFall='$flagFall', status = '$message', message_from = '".$playersColor."', xpl=$xpl, xpw=$xpw WHERE game_id = ".$game_id)
or die("Update Error");;
$log = "\"Saving Ranking\" \"Game: $game_id\" \"Winner: $winner/$xpw/$NewRatingG\" \"Loser: $loser/$xpl/$NewRatingP\"";
if ($CFG_LOG_PATH =! "" && $CFG_LOG_DEBUG)
grava_log("webchess.log",$log,$CFG_LOG_PATH);
}
else{
mysql_query("UPDATE games SET flagFall='$flagFall', status = '$message', message_from = '".$playersColor."' WHERE game_id = ".$game_id);
if ($CFG_ENABLE_TRIAL_RATING){
/*
## Rating Trial Validation System ##
1. Check if the user has in rating trial:
2. Count the number of games
3. Know the number of victories
4. Check if has at least 5 games
5. Give the rating
*/
if (getRating($xplayerID) == 0){
$player = $xplayerID;
$stats = getStatsUser($player,0);
$total = $stats[0]+$stats[1]+$stats[2];
if ($total >=5){
$initRating = 1300;
$newRating = $initRating + ($stats[0]*50);
mysql_query("UPDATE {$db_prefix}players SET rating_max='$newRating',rating_month=$newRating,rating='$newRating' WHERE playerID='$player'");
}
}
if (getRating($xopponentID) == 0){
$player = $xopponentID;
$stats = getStatsUser($player,0);
$total = $stats[0]+$stats[1]+$stats[2];
if ($total >=5){
$initRating = 1300;
$newRating = $initRating + ($stats[0]*50);
mysql_query("UPDATE {$db_prefix}players SET rating_max='$newRating',rating_month=$newRating,rating='$newRating' WHERE playerID='$player'");
}
}
//echo "$player: T:$total V:$stats[0] R:$newRating<BR>";
}
}
// NEW!!!
save_tournament($game_id, $winner);
save_match($game_id);
}