diff --git a/.vscode/settings.json b/.vscode/settings.json
index d1c54d0..799580a 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -5,6 +5,7 @@
     "colours",
     "contactez",
     "defaulticon",
+    "Depfu",
     "Échecs",
     "Fédération",
     "Florifourchette",
diff --git a/README.md b/README.md
index 439ebe2..4fc7413 100644
--- a/README.md
+++ b/README.md
@@ -26,4 +26,4 @@ and is deployed on [Vercel](https://vercel.com/)
 ## Contributions
 
 Contributions are encouraged. Please open an issue to discuss your ideas.
-Add your code into a feature branch such as `feature/feature-name`. We utilise a [GitHub Flow](https://www.gitkraken.com/learn/git/best-practices/git-branch-strategy#github-flow-considerations) branching strategy.
+Add your code into a feature branch such as `feature/feature-name`. We use the [GitHub Flow](https://www.gitkraken.com/learn/git/best-practices/git-branch-strategy#github-flow-considerations) branching strategy.
diff --git a/app/[lang]/tournois/Legend.tsx b/app/[lang]/tournois/Legend.tsx
index ec0b588..99811f3 100644
--- a/app/[lang]/tournois/Legend.tsx
+++ b/app/[lang]/tournois/Legend.tsx
@@ -6,6 +6,7 @@ import { useAtomValue } from "jotai";
 
 import { TimeControl } from "@/types";
 import { filteredTournamentsByTimeControlAtom } from "@/app/atoms";
+import { TimeControlColours } from "@/app/constants";
 
 const Legend = () => {
   const t = useTranslations("Tournaments");
@@ -15,11 +16,11 @@ const Legend = () => {
   const timeControls = useMemo(
     () =>
       [
-        { tc: TimeControl.Classic, colour: "#00ac39" },
-        { tc: TimeControl.Rapid, colour: "#0086c7" },
-        { tc: TimeControl.Blitz, colour: "#cec348" },
-        { tc: TimeControl.Other, colour: "#d10c3e" },
-      ].filter(({ tc }) => tournaments.some((t) => t.timeControl === tc)),
+        TimeControl.Classic,
+        TimeControl.Rapid,
+        TimeControl.Blitz,
+        TimeControl.Other,
+      ].filter((tc) => tournaments.some((t) => t.timeControl === tc)),
     [tournaments],
   );
 
@@ -39,12 +40,11 @@ const Legend = () => {
           <ul>
             ${timeControls
               .map(
-                ({ tc, colour }) => `
+                (tc) => `
                   <li>
-                    <span class="block h-4 w-7 border border-[#999] float-left mr-1" style="background: ${colour}"></span>${t(
-                      "timeControlEnum",
-                      { tc },
-                    )}
+                    <span class="block h-4 w-7 border border-[#999] float-left mr-1" style="background: ${
+                      TimeControlColours[tc]
+                    }"></span>${t("timeControlEnum", { tc })}
                   </li>
                 `,
               )
diff --git a/app/[lang]/tournois/TournamentMap.tsx b/app/[lang]/tournois/TournamentMap.tsx
index c646c29..ccb44b2 100644
--- a/app/[lang]/tournois/TournamentMap.tsx
+++ b/app/[lang]/tournois/TournamentMap.tsx
@@ -26,10 +26,11 @@ import {
   filteredTournamentsByTimeControlAtom,
   normsOnlyAtom,
 } from "@/app/atoms";
-import { pie } from "@/lib/pie";
+import { generatePieSVG } from "@/lib/pie";
+import { TimeControlColours } from "@/app/constants";
 
 import Legend from "./Legend";
-import { TournamentMarker } from "./TournamentMarker";
+import { TournamentMarker, TournamentMarkerRef } from "./TournamentMarker";
 import TimeControlFilters from "./TimeControlFilters";
 
 // Declare a class type that adds in methods etc. defined by leaflet.smooth_marker_bouncing
@@ -99,7 +100,7 @@ export default function TournamentMap() {
     debouncedHoveredListTournamentIdAtom,
   );
 
-  const markerRefs = useRef<Record<string, L.Marker<any> | null>>({});
+  const markerRefs = useRef<Record<string, TournamentMarkerRef>>({});
   const clusterRef = useRef<L.MarkerClusterGroup | null>(null);
   const expandedClusterMarkerRef = useRef<L.MarkerCluster | null>(null);
 
@@ -133,7 +134,9 @@ export default function TournamentMap() {
       const markerRef = markerRefs.current[tournament.groupId];
       if (markerRef) {
         if (clusterRef.current) {
-          const visibleMarker = clusterRef.current.getVisibleParent(markerRef);
+          const visibleMarker = clusterRef.current.getVisibleParent(
+            markerRef.getMarker(),
+          );
           if (!visibleMarker) return;
 
           // @ts-ignore
@@ -162,7 +165,7 @@ export default function TournamentMap() {
             if (!marker.isBouncing()) {
               stopBouncingMarkers();
 
-              marker.bounce();
+              markerRef.bounce();
             }
           }
 
@@ -185,11 +188,9 @@ export default function TournamentMap() {
         if (!tournament) return;
 
         expandedClusterMarkerRef.current = e.cluster;
-        const markerRef = markerRefs.current[
-          tournament.groupId
-        ] as BouncingMarker;
+        const markerRef = markerRefs.current[tournament.groupId];
 
-        if (markerRef && e.markers.includes(markerRef)) {
+        if (markerRef && e.markers.includes(markerRef.getMarker())) {
           stopBouncingMarkers();
           markerRef.bounce();
         }
@@ -234,37 +235,30 @@ export default function TournamentMap() {
   }, [expandAndBounceIfNeeded, hoveredListTournamentId]);
 
   const createClusterCustomIcon = useCallback((cluster: any) => {
-    let childCount = cluster.getChildCount();
-
+    const childCount = cluster.getChildCount();
     const children = cluster.getAllChildMarkers();
 
-    // We added the time control to the icon options when creating the marker
+    // We added the time control as the class name when creating the marker
     const timeControlCounts = countBy(
       children,
-      (child: any) => child.options.icon.options.timeControl,
+      (child: any) => child.options.icon.options.className,
     );
 
     const html = `
       <div>
-
-        ${pie("absolute w-[30px] -z-10", 15, [
-          {
-            value: timeControlCounts[TimeControl.Classic] ?? 0,
-            colour: "#00ac39",
-          },
-          {
-            value: timeControlCounts[TimeControl.Rapid] ?? 0,
-            colour: "#0086c7",
-          },
-          {
-            value: timeControlCounts[TimeControl.Blitz] ?? 0,
-            colour: "#cec348",
-          },
-          {
-            value: timeControlCounts[TimeControl.Other] ?? 0,
-            colour: "#d10c3e",
-          },
-        ])}
+        ${generatePieSVG(
+          "absolute w-[30px]",
+          15,
+          [
+            TimeControl.Classic,
+            TimeControl.Rapid,
+            TimeControl.Blitz,
+            TimeControl.Other,
+          ].map((tc) => ({
+            value: timeControlCounts[tc] ?? 0,
+            colour: TimeControlColours[tc],
+          })),
+        )}
         <span class="text-white font-semibold relative z-[300]">${childCount}</span>
       </div>
     `;
@@ -290,10 +284,11 @@ export default function TournamentMap() {
 
         return (
           <TournamentMarker
-            ref={(ref) => (markerRefs.current[groupId] = ref)}
+            ref={(ref) => {
+              markerRefs.current[groupId] = ref!;
+            }}
             key={groupId}
             tournamentGroup={tournamentGroup}
-            colour={colours[timeControl]}
           />
         );
       }),
diff --git a/app/[lang]/tournois/TournamentMarker.tsx b/app/[lang]/tournois/TournamentMarker.tsx
index a701c7c..ab3e1bf 100644
--- a/app/[lang]/tournois/TournamentMarker.tsx
+++ b/app/[lang]/tournois/TournamentMarker.tsx
@@ -1,7 +1,7 @@
 "use client";
 
-import { forwardRef, useMemo, useRef } from "react";
-import { TimeControl, Tournament } from "@/types";
+import { forwardRef, useMemo, useImperativeHandle, useRef } from "react";
+import { Tournament } from "@/types";
 import L from "leaflet";
 import { Marker, Popup, MarkerProps } from "react-leaflet";
 import { useTranslations } from "next-intl";
@@ -9,18 +9,38 @@ import { useSetAtom } from "jotai";
 import { FaTrophy } from "react-icons/fa";
 import { last } from "lodash";
 
+import type { BouncingMarker } from "@/leafletTypes";
 import { debouncedHoveredMapTournamentGroupIdAtom } from "@/app/atoms";
+import { TimeControlColours } from "@/app/constants";
+
+export type TournamentMarkerRef = {
+  getMarker: () => L.Marker<any>;
+  bounce: () => void;
+};
 
 type TournamentMarkerProps = {
   tournamentGroup: Tournament[];
-  colour: string;
 } & Omit<MarkerProps, "position">;
 
 export const TournamentMarker = forwardRef<
-  L.Marker<any> | null,
+  TournamentMarkerRef,
   TournamentMarkerProps
->(({ tournamentGroup, colour, ...markerProps }, ref) => {
+>(({ tournamentGroup, ...markerProps }, ref) => {
   const t = useTranslations("Tournaments");
+  const markerRef = useRef<L.Marker<any> | null>(null);
+
+  useImperativeHandle(
+    ref,
+    () => ({
+      getMarker: () => markerRef.current!,
+      bounce: () => {
+        const bouncingMarker = markerRef.current as BouncingMarker;
+        bouncingMarker.setBouncingOptions({ contractHeight: 0 });
+        bouncingMarker.bounce();
+      },
+    }),
+    [],
+  );
 
   const { date, latLng, groupId, timeControl } = tournamentGroup[0];
 
@@ -30,16 +50,18 @@ export const TournamentMarker = forwardRef<
 
   const iconOptions = useMemo(
     () =>
-      new L.Icon({
-        iconUrl: `/images/leaflet/marker-icon-2x-${colour}.png`,
-        shadowUrl: "/images/leaflet/marker-shadow.png",
-        iconSize: [25, 41],
-        iconAnchor: [12, 41],
-        popupAnchor: [1, -34],
-        shadowSize: [41, 41],
-        timeControl,
+      new L.DivIcon({
+        html: `
+          <svg x="0px" y="0px" viewBox="0 0 365 560" enable-background="new 0 0 365 560" xml:space="preserve">
+            <g><path stroke="#666666" stroke-width="10" fill="${TimeControlColours[timeControl]}" d="M182.9,551.7c0,0.1,0.2,0.3,0.2,0.3S358.3,283,358.3,194.6c0-130.1-88.8-186.7-175.4-186.9 C96.3,7.9,7.5,64.5,7.5,194.6c0,88.4,175.3,357.4,175.3,357.4S182.9,551.7,182.9,551.7z M122.2,187.2c0-33.6,27.2-60.8,60.8-60.8   c33.6,0,60.8,27.2,60.8,60.8S216.5,248,182.9,248C149.4,248,122.2,220.8,122.2,187.2z"/></g>
+          </svg>
+        `,
+        className: timeControl,
+        iconSize: [24, 40],
+        iconAnchor: [12, 40],
+        popupAnchor: [1, -40],
       }),
-    [colour, timeControl],
+    [timeControl],
   );
 
   const startDate = date;
@@ -47,7 +69,7 @@ export const TournamentMarker = forwardRef<
 
   return (
     <Marker
-      ref={ref}
+      ref={markerRef}
       position={latLng}
       icon={iconOptions}
       eventHandlers={{
diff --git a/app/constants.ts b/app/constants.ts
new file mode 100644
index 0000000..4e614c6
--- /dev/null
+++ b/app/constants.ts
@@ -0,0 +1,8 @@
+import { TimeControl } from "@/types"
+
+export const TimeControlColours = {
+  [TimeControl.Classic]: "#00ac39",
+  [TimeControl.Rapid]: "#0086c7",
+  [TimeControl.Blitz]: "#ddce20",
+  [TimeControl.Other]: "#ea5f17",
+}
diff --git a/leafletTypes.ts b/leafletTypes.ts
new file mode 100644
index 0000000..00017fa
--- /dev/null
+++ b/leafletTypes.ts
@@ -0,0 +1,29 @@
+import { Marker  } from "leaflet";
+
+declare class BouncingOptions {
+  bounceHeight: number;
+  contractHeight: number;
+  bounceSpeed: number;
+  contractSpeed: number;
+  shadowAngle: number;
+  elastic: number;
+  exclusive: number;
+
+  constructor(options: Partial<BouncingOptions>);
+}
+
+// Declare a class type that adds in methods etc. defined by leaflet.smooth_marker_bouncing
+// to keep Typescript happy
+export declare class BouncingMarker extends Marker {
+  isBouncing(): boolean;
+  bounce(): void;
+  stopBouncing(): void;
+  getBouncingMarkers(): Marker[];
+  setBouncingOptions(options: BouncingOptions | Partial<BouncingOptions>): void;
+  stopAllBouncingMarkers(): void;
+
+  _icon: HTMLElement;
+  _bouncingMotion?: {
+    bouncingAnimationPlaying: boolean;
+  };
+}
diff --git a/lib/pie.ts b/lib/pie.ts
index 5ec9010..bd67be7 100644
--- a/lib/pie.ts
+++ b/lib/pie.ts
@@ -6,32 +6,30 @@ function polarToCartesian(radius: number, angleInDegrees: number) {
   var radians = (angleInDegrees - 90) * Math.PI / 180;
 
   return {
-      x: round(radius + (radius * Math.cos(radians))),
-      y: round(radius + (radius * Math.sin(radians)))
+    x: round(radius + (radius * Math.cos(radians))),
+    y: round(radius + (radius * Math.sin(radians)))
   };
 }
 
 function getDAttribute(radius: number, startAngle: number, endAngle: number) {
   const isCircle = endAngle - startAngle === 360;
 
-  if (isCircle) {
-      endAngle--;
-  }
+  if (isCircle) endAngle--;
 
   const start = polarToCartesian(radius, startAngle);
   const end = polarToCartesian(radius, endAngle);
 
   const largeArcFlag = endAngle - startAngle <= 180 ? 0 : 1;
   const d = [
-      "M", start.x, start.y,
-      "A", radius, radius, 0, largeArcFlag, 1, end.x, end.y];
+    "M", start.x, start.y,
+    "A", radius, radius, 0, largeArcFlag, 1, end.x, end.y
+  ];
 
   if (isCircle) {
     d.push("Z");
   } else {
     d.push("L", radius, radius, "L", start.x, start.y, "Z");
   }
-
   return d.join(" ");
 }
 
@@ -43,35 +41,28 @@ function svg(className: string, width: number, content: string ) {
   return `<svg class="${className}" viewBox="0 0 ${width} ${width}"><g class='pie'>${content}</g></svg>`;
 }
 
-type PieSector = {
+type PieSlice = {
   value: number;
   colour: string;
 }
 
-export function pie(className: string, radius: number, values: PieSector[]) {
-
+export function generatePieSVG(className: string, radius: number, values: PieSlice[]) {
   type Sector = {
     colour: string;
     degrees: number;
     from?: number;
     to?: number;
-    path?: string;
   }
 
   const total = values.reduce((a, b) => a + b.value, 0);
   const data: Sector[] = values.map(({ value, colour }) => ({ colour, degrees: value / total * 360 }));
 
-  data.forEach((value, i, arr) => {
-    if (i === 0) {
-      value.from = 0;
-      value.to = value.degrees;
-    } else {
-      value.from = arr[i - 1].to!;
-      value.to = value.from + value.degrees;
-    }
+  const paths = data.reduce<[number, string][]>((prev, value, i) => {
+    const from = i === 0 ? 0 : prev[i - 1][0];
+    const to = from + value.degrees;
 
-    value.path = path(getDAttribute(radius, value.from, value.to ), value.colour);
-  });
+    return [...prev, [to, path(getDAttribute(radius, from, to ), value.colour)]];
+  }, []);
 
-  return svg(className, radius * 2, data.map(o => o.path).join(''));
+  return svg(className, radius * 2, paths.map(([to, path]) => path) .join(''));
 }
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