diff --git a/ui/chat/src/ctrl.ts b/ui/chat/src/ctrl.ts
index 1fbf0e1496e37..fbbec1f4b1282 100644
--- a/ui/chat/src/ctrl.ts
+++ b/ui/chat/src/ctrl.ts
@@ -43,6 +43,9 @@ export default class ChatCtrl {
       loaded: false,
       enabled: prop(!!this.data.palantir),
     };
+    console.log('site-study', site.analysis.study);
+    console.log('site-burl', site.analysis.study.baseUrl());
+    console.log('site-pos', site.analysis.study.position());
     this.trans = site.trans(this.opts.i18n);
     const noChat = site.storage.get('nochat');
     this.vm = {
@@ -97,11 +100,36 @@ export default class ChatCtrl {
   post = (text: string): boolean => {
     text = text.trim();
     if (!text) return false;
+    if (text.startsWith('<<<<')) return false;
     if (text == 'You too!' && !this.data.lines.some(l => l.u != this.data.userId)) return false;
     if (text.length > 140) {
       alert('Max length: 140 chars. ' + text.length + ' chars used.');
       return false;
     }
+
+    if (site.analysis) {
+      // let roundId = 'static-round-id';
+      let roundId = site.analysis.study.relay.currentRound().id;
+      let roundSlug = site.analysis.study.relay.currentRound().slug;
+      // let gameId = 'static-game-id';
+      let gameId = site.analysis.study.currentChapter().id;
+      let moveNo = site.analysis.study.currentNode().ply;
+      // roundId = site.analysis.study.roundId();
+      // gameId = site.analysis.study.gameId();
+      // moveNo = site.analysis.study.moveNo();
+      console.log('site-study', site.analysis.study);
+      console.log('site-relay-tourShow', site.analysis.study.relay);
+      console.log('site-relay-tourShow', site.analysis.study.relay.tourShow);
+      console.log('site-round', site.analysis.study.relay.currentRound().id);
+      console.log('site-round', site.analysis.study.relay.currentRound().slug);
+      console.log('site-pos', site.analysis.study.position());
+      console.log('site-game', site.analysis.study.currentChapter().id);
+      console.log('site-shr-node', site.analysis.study.currentNode());
+      console.log('site-shr-node', site.analysis.study.currentNode().ply);
+      text = '<<<<' + roundSlug + '|' + roundId + '|' + gameId + '|' + moveNo + '>>>> ' + text;
+    }
+
+    console.log('chat post', text);
     site.pubsub.emit('socket.send', 'talk', text);
     return true;
   };
@@ -131,6 +159,9 @@ export default class ChatCtrl {
   onMessage = (line: Line) => {
     this.data.lines.push(line);
     const nb = this.data.lines.length;
+    console.log('chat message', line);
+    console.log('chat lines', nb);
+    console.log(this.data);
     if (nb > this.maxLines) {
       this.data.lines.splice(0, nb - this.maxLines + this.maxLinesDrop);
       this.vm.domVersion++;
diff --git a/ui/chat/src/discussion.ts b/ui/chat/src/discussion.ts
index b11894d3151da..8dd1c262af7fc 100644
--- a/ui/chat/src/discussion.ts
+++ b/ui/chat/src/discussion.ts
@@ -30,6 +30,7 @@ export default function (ctrl: ChatCtrl): Array<VNode | undefined> {
         attrs: { role: 'log', 'aria-live': 'polite', 'aria-atomic': 'false' },
         hook: {
           insert(vnode) {
+            // console.log('vnode', vnode);
             const $el = $(vnode.elm as HTMLElement).on('click', 'a.jump', (e: Event) => {
               site.pubsub.emit('jump', (e.target as HTMLElement).getAttribute('data-ply'));
             });
@@ -188,6 +189,24 @@ const userThunk = (name: string, title?: string, patron?: boolean, flair?: Flair
   userLink({ name, title, patron, line: !!patron, flair });
 
 function renderLine(ctrl: ChatCtrl, line: Line): VNode {
+  if (line.t.startsWith('<<<<')) {
+    // line.t looks like '<<<<roundSlug|roundId|gameId|moveNo>>>> text'
+    //text = '<<<<' + roundSlug+'|' roundId + '|' + gameId + '|' + moveNo + '>>>> ' + text;
+    const parts = line.t.match(/^<<<<([^|]+)\|([^|]+)\|([^|]+)\|([^|]+)>>>>\s(.+)$/);
+    if (parts) {
+      const [_, roundSlug, roundId, gameId, moveNo, text] = parts;
+      // console.log('_',_);
+      const broadcastSlug= site.analysis.study.relayData.tour.slug;
+      const broadcastURL = `/broadcast/${broadcastSlug}/${roundSlug}/${roundId}/${gameId}#${moveNo}`;
+      // const ply = `${roundId}/${gameId}/${moveNo}`;
+      // console.log('ply', ply);
+      line.t = text;
+      line.ply = broadcastURL;
+      console.log('line', broadcastURL);
+    }
+  }
+
+  // console.log('line', line);
   const textNode = renderText(line.t, ctrl.opts.enhance);
 
   if (line.u === 'lichess') return h('li.system', textNode);
@@ -204,6 +223,8 @@ function renderLine(ctrl: ChatCtrl, line: Line): VNode {
       .match(enhance.userPattern)
       ?.find(mention => mention.trim().toLowerCase() == `@${ctrl.data.userId}`);
 
+  const plyy = line.ply ? h('a', { attrs: { 'href': line.ply } }, ' -->') : null;
+  // console.log('plyy', plyy);
   return h(
     'li',
     {
@@ -214,7 +235,8 @@ function renderLine(ctrl: ChatCtrl, line: Line): VNode {
       },
     },
     ctrl.moderation
-      ? [line.u ? modLineAction() : null, userNode, ' ', textNode]
+      ? [line.u ? modLineAction() : null, userNode, ' ', textNode,
+        plyy]
       : [
           myUserId && line.u && myUserId != line.u
             ? h('action.flag', {
@@ -224,6 +246,7 @@ function renderLine(ctrl: ChatCtrl, line: Line): VNode {
           userNode,
           ' ',
           textNode,
+          plyy
         ],
   );
 }
diff --git a/ui/chat/src/interfaces.ts b/ui/chat/src/interfaces.ts
index 5f440de1e0c7f..8f6b0fecc357d 100644
--- a/ui/chat/src/interfaces.ts
+++ b/ui/chat/src/interfaces.ts
@@ -52,6 +52,7 @@ export interface Line {
   p?: boolean; // patron
   f?: Flair;
   title?: string;
+  ply?: any;
 }
 
 export interface Permissions {