ACR X CLB TO OCCUPIED ALT HAD LTSS FROM ACR Y. SYS ERROR.

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I; AT SECTOR 98; HAD 2 ACFT IN HOLDING FOR ORD; SINCE ZAU CTR WAS TAKING NO MORE FLTS TO ORD. I HAD 4 ACFT ON VECTORS TO AVOID MY HOLDING ACFT. SECTOR 88 HAD 4 ACFT HOLDING FOR ORD IN 4 DIFFERENT LOCATIONS. ZAU STARTED ACCEPTING ORD ACFT 40 MI IN TRAIL. BOTH OF MY ACFT HAD BEEN CLRED OUT OF HOLDING AND ON COURSE TO FWA HI ZAU CTR. I TOOK HDOF ON ACR X FROM SECTOR 88. ACR X CALLED ON FREQ AT FL310; I WAS UNABLE TO CLB ACR X DUE TO ACR CONVERGING AT FL330 FLASHING AT SECTOR 88 NEEDING LOWER ALT TO LAND AT DTW. THE HDOF/TRACKER AT 88 CALLED ASKING FOR HIGHER ON ACR X. I ADVISED I WAS UNABLE DUE TO THE ACR FLASHING AT HIM AND THAT I WAS ALREADY TALKING TO ACR X. I THEN SAID I COULD CLB ACR X IF I COULD TURN X R. H88 SAID; LET ME SHOW YOU ONE; REF ACR Y HOLDING OUT HERE; YOUR CTL. HDOF/TRACKER PLUGS IN AT SECTOR 98. I TURNED ACR X 25 DEGS R AND ADVISED HIGHER ALT IN 1 1/2 MINS. I ASKED ACR X THE NEW HDG; HE ADVISED THE HDG WAS 080. ACR X CLRS TFC; I CLBED THE ACR X TO FL330. AS I SCAN THE SECTOR I SEE ACR Y NWBOUND NE OR ROD. THE SECTOR 88 RADAR CTLR CLRS ACR Y FOR A L 360 DEG TURN. AT THE SAME TIME; H98 DROPS THE TRACK ON ACR Y ON THE SECTOR 98 SCOPE. R88 CLRS ACR Y L 360 DIRECT TO FWA AND TO TIGHTEN THE TURN. ACR Y ADVISES THEY ARE AT MAX RATE OF TURN. I RETURN FROM THE SCAN TO ACR X WHO IS SE OF ROD EBOUND. ACR X APPEARS CLR OF TFC; SO I ASK H98 IF DJB IS ON COURSE TO BE SURE (20 DEG L TURN PLUS/MINUS). I CLR ACR X ON COURSE TO DJB; 13 SECONDS LATER; SEPARATION IS LOST BTWN ACR X AND ACR Y 20 MI SE OF ROD. SUPPLEMENTAL INFO FROM ACN 224457: I WAS PLACED IN THE HDOF POS AT FFO -- SUPER HIGH TO HELP A CTLR WHO WAS ALREADY WORKING PAST WHAT HE SHOULD HAVE BEEN WORKING. WE OWNED FL330 AND ABOVE. I DID NOT GET A RELIEF BRIEFING FROM HIM BECAUSE HE WAS TOO BUSY TO STOP AND GIVE ME ONE. I STARTED MOVING DATA BLOCKS THAT WERE OVERLAPPED AND DROPPING DATA BLOCKS OFF OUR RADAR SCOPE THAT WERE NOT PERTINENT TO OUR SECTOR ANYMORE. I DROPPED OFF ONE THAT WAS AT FL310 BELOW OUR ALT BECAUSE IT WAS NOT IN OUR SECTOR AND WAS LEAVING THE SECTOR BELOW US. BECAUSE I WAS NOT GIVEN A BRIEFING; I DIDN'T KNOW THAT THIS ACFT WAS GOING TO TURN BACK AND BECOME TFC FOR AN ACFT WE WERE TALKING TO THAT WAS CLBING FROM THE SECTOR BELOW US TO OUR STRATUM.