diff --git a/app/components/play/GroupCard.tsx b/app/components/play/GroupCard.tsx
index 08790d925..337258a58 100644
--- a/app/components/play/GroupCard.tsx
+++ b/app/components/play/GroupCard.tsx
@@ -53,6 +53,12 @@ export function GroupCard({
             );
           })}
         </div>
+        {group.teamMMR && (
+          <div className="play-looking__mmr">
+            MMR: {!group.teamMMR.exact && <>~</>}
+            {group.teamMMR.value}
+          </div>
+        )}
         <input type="hidden" name="targetGroupId" value={group.id} />
         {type === "LIKES_RECEIVED" && (
           <input
diff --git a/app/core/mmr/utils.ts b/app/core/mmr/utils.ts
new file mode 100644
index 000000000..88d71e566
--- /dev/null
+++ b/app/core/mmr/utils.ts
@@ -0,0 +1,48 @@
+import { expose, Rating } from "ts-trueskill";
+
+/** Get first skill object of the array (should be ordered so that most recent skill is first) and convert it into MMR. */
+export function skillToMMR(
+  skills: {
+    mu: number;
+    sigma: number;
+  }[]
+) {
+  const skill: { mu: number; sigma: number } | undefined = skills[0];
+  if (!skill) return;
+
+  return toTwoDecimals(expose(new Rating(skill.mu, skill.sigma)) * 10);
+}
+
+interface TeamSkill {
+  user: {
+    skill: {
+      mu: number;
+      sigma: number;
+    }[];
+  };
+}
+
+export function teamSkillToExactMMR(teamSkills: TeamSkill[]) {
+  let sum = 0;
+
+  for (const { user } of teamSkills) {
+    const MMR = skillToMMR(user.skill);
+    if (!MMR) continue;
+
+    sum += MMR;
+  }
+
+  return toTwoDecimals(sum);
+}
+
+export function teamSkillToApproximateMMR(teamSkills: TeamSkill[]) {
+  // https://stackoverflow.com/a/58147484
+  const roundToNearest25 = (x: number) => Math.round(x / 25) * 25;
+
+  const teamMMR = teamSkillToExactMMR(teamSkills);
+  return roundToNearest25(teamMMR);
+}
+
+function toTwoDecimals(value: number) {
+  return Number(value.toFixed(2));
+}
diff --git a/app/models/LFGGroup.server.ts b/app/models/LFGGroup.server.ts
index 2a21216b1..94afc6627 100644
--- a/app/models/LFGGroup.server.ts
+++ b/app/models/LFGGroup.server.ts
@@ -149,6 +149,16 @@ export function findLookingByType(type: LfgGroupType, ranked?: boolean) {
               discordDiscriminator: true,
               discordName: true,
               discordId: true,
+              skill: {
+                select: {
+                  mu: true,
+                  sigma: true,
+                },
+                orderBy: {
+                  createdAt: "desc",
+                },
+                take: 1,
+              },
             },
           },
         },
diff --git a/app/routes/play/looking.tsx b/app/routes/play/looking.tsx
index b0f341a45..1824967ac 100644
--- a/app/routes/play/looking.tsx
+++ b/app/routes/play/looking.tsx
@@ -18,6 +18,11 @@ import { canUniteWithGroup, isGroupAdmin } from "~/core/play/validators";
 import * as LFGGroup from "~/models/LFGGroup.server";
 import styles from "~/styles/play-looking.css";
 import { parseRequestFormData, requireUser, validate } from "~/utils";
+import {
+  skillToMMR,
+  teamSkillToApproximateMMR,
+  teamSkillToExactMMR,
+} from "~/core/mmr/utils";
 
 export const links: LinksFunction = () => {
   return [{ rel: "stylesheet", href: styles }];
@@ -141,7 +146,12 @@ export type LookingLoaderDataGroup = {
     discordAvatar: string | null;
     discordName: string;
     discordDiscriminator: string;
+    MMR?: number;
   }[];
+  teamMMR?: {
+    exact: boolean;
+    value: number;
+  };
   ranked?: boolean;
 };
 
@@ -186,8 +196,19 @@ export const loader: LoaderFunction = async ({ context }) => {
   invariant(ownGroupWithMembers, "ownGroupWithMembers is undefined");
   const ownGroupForResponse: LookingLoaderDataGroup = {
     id: ownGroup.id,
-    members: ownGroupWithMembers.members.map((m) => m.user),
+    members: ownGroupWithMembers.members.map((m) => {
+      const { skill, ...rest } = m.user;
+
+      return {
+        ...rest,
+        MMR: skillToMMR(skill),
+      };
+    }),
     ranked: ownGroup.ranked ?? undefined,
+    teamMMR: {
+      exact: true,
+      value: teamSkillToExactMMR(ownGroupWithMembers.members),
+    },
   };
 
   return json<LookingLoaderData>({
@@ -212,8 +233,18 @@ export const loader: LoaderFunction = async ({ context }) => {
         members:
           group.ranked && lookingForMatch
             ? undefined
-            : group.members.map((m) => m.user),
+            : group.members.map((m) => {
+                const { skill, ...rest } = m.user;
+
+                return {
+                  ...rest,
+                  MMR: skillToMMR(skill),
+                };
+              }),
         ranked: group.ranked ?? undefined,
+        teamMMR: lookingForMatch
+          ? { exact: false, value: teamSkillToApproximateMMR(group.members) }
+          : undefined,
       }))
       .reduce(
         (
diff --git a/app/styles/play-looking.css b/app/styles/play-looking.css
index 28a3f29c8..76fc56e45 100644
--- a/app/styles/play-looking.css
+++ b/app/styles/play-looking.css
@@ -101,3 +101,8 @@
   margin-block-start: 1px;
   white-space: nowrap;
 }
+
+.play-looking__mmr {
+  font-size: var(--fonts-sm);
+  font-weight: var(--bold);
+}
diff --git a/package-lock.json b/package-lock.json
index 466456ac1..0e4ecc67a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,6 +31,7 @@
         "react-dom": "^17.0.2",
         "remix": "^1.1.3",
         "tiny-invariant": "^1.2.0",
+        "ts-trueskill": "^3.3.0",
         "uuid": "^8.3.2",
         "zod": "^3.11.6"
       },
@@ -2132,6 +2133,18 @@
         "node": ">=4.0.0"
       }
     },
+    "node_modules/complex.js": {
+      "version": "2.0.15",
+      "resolved": "https://registry.npmjs.org/complex.js/-/complex.js-2.0.15.tgz",
+      "integrity": "sha512-gDBvQU8IG139ZBQTSo2qvDFP+lANMGluM779csXOr6ny1NUtA3wkUnCFjlDNH/moAVfXtvClYt6G0zarFbtz5w==",
+      "engines": {
+        "node": "*"
+      },
+      "funding": {
+        "type": "patreon",
+        "url": "https://www.patreon.com/infusion"
+      }
+    },
     "node_modules/compressible": {
       "version": "2.0.18",
       "license": "MIT",
@@ -2650,6 +2663,11 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/decimal.js": {
+      "version": "10.3.1",
+      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.3.1.tgz",
+      "integrity": "sha512-V0pfhfr8suzyPGOx3nmq4aHqabehUZn6Ch9kyFpV79TGDTWFmHqUqXdabR7QHqxzrYolF4+tVmJhUG4OURg5dQ=="
+    },
     "node_modules/decode-named-character-reference": {
       "version": "1.0.0",
       "dev": true,
@@ -2942,6 +2960,11 @@
       "version": "1.0.3",
       "license": "MIT"
     },
+    "node_modules/escape-latex": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/escape-latex/-/escape-latex-1.2.0.tgz",
+      "integrity": "sha512-nV5aVWW1K0wEiUIEdZ4erkGGH8mDxGyxSeqPzRNtWP7ataw+/olFObw7hujFWlVjNsaDFw5VZ5NzVSIqRgfTiw=="
+    },
     "node_modules/escape-string-regexp": {
       "version": "1.0.5",
       "dev": true,
@@ -3794,6 +3817,18 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/fraction.js": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.1.2.tgz",
+      "integrity": "sha512-o2RiJQ6DZaR/5+Si0qJUIy637QMRudSi9kU/FFzx9EZazrIdnBgpU+3sEWCxAVhH2RtxW2Oz+T4p2o8uOPVcgA==",
+      "engines": {
+        "node": "*"
+      },
+      "funding": {
+        "type": "patreon",
+        "url": "https://www.patreon.com/infusion"
+      }
+    },
     "node_modules/fresh": {
       "version": "0.5.2",
       "license": "MIT",
@@ -4823,6 +4858,11 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/javascript-natural-sort": {
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/javascript-natural-sort/-/javascript-natural-sort-0.7.1.tgz",
+      "integrity": "sha1-+eIwPUUH9tdDVac2ZNFED7Wg71k="
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "license": "MIT"
@@ -5278,6 +5318,28 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/mathjs": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/mathjs/-/mathjs-10.1.0.tgz",
+      "integrity": "sha512-TrpZAR3H9jR0Cv6cnzT+TZhE40Xs2SCaLf/qm2WcWm2tui69Gas/bC/ct5ZLZNWnWvNvJ7H2uHvuRDDl151PHA==",
+      "dependencies": {
+        "@babel/runtime": "^7.16.5",
+        "complex.js": "^2.0.15",
+        "decimal.js": "^10.3.1",
+        "escape-latex": "^1.2.0",
+        "fraction.js": "^4.1.2",
+        "javascript-natural-sort": "^0.7.1",
+        "seedrandom": "^3.0.5",
+        "tiny-emitter": "^2.1.0",
+        "typed-function": "^2.0.0"
+      },
+      "bin": {
+        "mathjs": "bin/cli.js"
+      },
+      "engines": {
+        "node": ">= 12"
+      }
+    },
     "node_modules/mathml-tag-names": {
       "version": "2.1.3",
       "dev": true,
@@ -7417,6 +7479,11 @@
         "object-assign": "^4.1.1"
       }
     },
+    "node_modules/seedrandom": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/seedrandom/-/seedrandom-3.0.5.tgz",
+      "integrity": "sha512-8OwmbklUNzwezjGInmZ+2clQmExQPvomqjL7LFqOYqtmuxRgQYqOD3mHaU+MvZn5FLUeVxVfQjwLZW/n/JFuqg=="
+    },
     "node_modules/semver": {
       "version": "7.3.5",
       "dev": true,
@@ -8171,6 +8238,11 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/tiny-emitter": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
+      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q=="
+    },
     "node_modules/tiny-invariant": {
       "version": "1.2.0",
       "license": "MIT"
@@ -8251,6 +8323,14 @@
         "url": "https://github.com/sponsors/wooorm"
       }
     },
+    "node_modules/ts-gaussian": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/ts-gaussian/-/ts-gaussian-2.0.2.tgz",
+      "integrity": "sha512-DdMwQc1bgzRwbKQ3VoiV3aK2isz7CJhOmtO2oA+mp9soGpbN/p2pkBaIrZnJBW3jB293CUARLFmNktcTSHjypQ==",
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
     "node_modules/ts-node": {
       "version": "10.4.0",
       "dev": true,
@@ -8299,6 +8379,19 @@
         "node": ">=0.3.1"
       }
     },
+    "node_modules/ts-trueskill": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/ts-trueskill/-/ts-trueskill-3.3.0.tgz",
+      "integrity": "sha512-yGZQ9d4xIZg7HBKOnO70Qz//M/roPmw1p6cFFGcCtmWQlU6KMAoVzeScX60N70dD2ZvBxDTXXQFhaWr66zdiYQ==",
+      "dependencies": {
+        "mathjs": "^10.1.0",
+        "ts-gaussian": "^2.0.2",
+        "uuid": "^8.3.2"
+      },
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
     "node_modules/tsconfig-paths": {
       "version": "3.12.0",
       "dev": true,
@@ -8445,6 +8538,14 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/typed-function": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/typed-function/-/typed-function-2.0.0.tgz",
+      "integrity": "sha512-Hhy1Iwo/e4AtLZNK10ewVVcP2UEs408DS35ubP825w/YgSBK1KVLwALvvIG4yX75QJrxjCpcWkzkVRB0BwwYlA==",
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/typedarray-to-buffer": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-4.0.0.tgz",
@@ -10550,6 +10651,11 @@
       "version": "1.8.2",
       "dev": true
     },
+    "complex.js": {
+      "version": "2.0.15",
+      "resolved": "https://registry.npmjs.org/complex.js/-/complex.js-2.0.15.tgz",
+      "integrity": "sha512-gDBvQU8IG139ZBQTSo2qvDFP+lANMGluM779csXOr6ny1NUtA3wkUnCFjlDNH/moAVfXtvClYt6G0zarFbtz5w=="
+    },
     "compressible": {
       "version": "2.0.18",
       "requires": {
@@ -10884,6 +10990,11 @@
         }
       }
     },
+    "decimal.js": {
+      "version": "10.3.1",
+      "resolved": "https://registry.npmjs.org/decimal.js/-/decimal.js-10.3.1.tgz",
+      "integrity": "sha512-V0pfhfr8suzyPGOx3nmq4aHqabehUZn6Ch9kyFpV79TGDTWFmHqUqXdabR7QHqxzrYolF4+tVmJhUG4OURg5dQ=="
+    },
     "decode-named-character-reference": {
       "version": "1.0.0",
       "dev": true,
@@ -11080,6 +11191,11 @@
     "escape-html": {
       "version": "1.0.3"
     },
+    "escape-latex": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/escape-latex/-/escape-latex-1.2.0.tgz",
+      "integrity": "sha512-nV5aVWW1K0wEiUIEdZ4erkGGH8mDxGyxSeqPzRNtWP7ataw+/olFObw7hujFWlVjNsaDFw5VZ5NzVSIqRgfTiw=="
+    },
     "escape-string-regexp": {
       "version": "1.0.5",
       "dev": true
@@ -11660,6 +11776,11 @@
     "forwarded": {
       "version": "0.2.0"
     },
+    "fraction.js": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-4.1.2.tgz",
+      "integrity": "sha512-o2RiJQ6DZaR/5+Si0qJUIy637QMRudSi9kU/FFzx9EZazrIdnBgpU+3sEWCxAVhH2RtxW2Oz+T4p2o8uOPVcgA=="
+    },
     "fresh": {
       "version": "0.5.2"
     },
@@ -12277,6 +12398,11 @@
       "version": "0.1.2",
       "dev": true
     },
+    "javascript-natural-sort": {
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/javascript-natural-sort/-/javascript-natural-sort-0.7.1.tgz",
+      "integrity": "sha1-+eIwPUUH9tdDVac2ZNFED7Wg71k="
+    },
     "js-tokens": {
       "version": "4.0.0"
     },
@@ -12577,6 +12703,22 @@
       "version": "1.1.1",
       "dev": true
     },
+    "mathjs": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/mathjs/-/mathjs-10.1.0.tgz",
+      "integrity": "sha512-TrpZAR3H9jR0Cv6cnzT+TZhE40Xs2SCaLf/qm2WcWm2tui69Gas/bC/ct5ZLZNWnWvNvJ7H2uHvuRDDl151PHA==",
+      "requires": {
+        "@babel/runtime": "^7.16.5",
+        "complex.js": "^2.0.15",
+        "decimal.js": "^10.3.1",
+        "escape-latex": "^1.2.0",
+        "fraction.js": "^4.1.2",
+        "javascript-natural-sort": "^0.7.1",
+        "seedrandom": "^3.0.5",
+        "tiny-emitter": "^2.1.0",
+        "typed-function": "^2.0.0"
+      }
+    },
     "mathml-tag-names": {
       "version": "2.1.3",
       "dev": true
@@ -13829,6 +13971,11 @@
         "object-assign": "^4.1.1"
       }
     },
+    "seedrandom": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/seedrandom/-/seedrandom-3.0.5.tgz",
+      "integrity": "sha512-8OwmbklUNzwezjGInmZ+2clQmExQPvomqjL7LFqOYqtmuxRgQYqOD3mHaU+MvZn5FLUeVxVfQjwLZW/n/JFuqg=="
+    },
     "semver": {
       "version": "7.3.5",
       "dev": true,
@@ -14347,6 +14494,11 @@
       "version": "2.3.8",
       "dev": true
     },
+    "tiny-emitter": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
+      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q=="
+    },
     "tiny-invariant": {
       "version": "1.2.0"
     },
@@ -14396,6 +14548,11 @@
       "version": "2.0.2",
       "dev": true
     },
+    "ts-gaussian": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/ts-gaussian/-/ts-gaussian-2.0.2.tgz",
+      "integrity": "sha512-DdMwQc1bgzRwbKQ3VoiV3aK2isz7CJhOmtO2oA+mp9soGpbN/p2pkBaIrZnJBW3jB293CUARLFmNktcTSHjypQ=="
+    },
     "ts-node": {
       "version": "10.4.0",
       "dev": true,
@@ -14420,6 +14577,16 @@
         }
       }
     },
+    "ts-trueskill": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/ts-trueskill/-/ts-trueskill-3.3.0.tgz",
+      "integrity": "sha512-yGZQ9d4xIZg7HBKOnO70Qz//M/roPmw1p6cFFGcCtmWQlU6KMAoVzeScX60N70dD2ZvBxDTXXQFhaWr66zdiYQ==",
+      "requires": {
+        "mathjs": "^10.1.0",
+        "ts-gaussian": "^2.0.2",
+        "uuid": "^8.3.2"
+      }
+    },
     "tsconfig-paths": {
       "version": "3.12.0",
       "dev": true,
@@ -14520,6 +14687,11 @@
         "mime-types": "~2.1.24"
       }
     },
+    "typed-function": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/typed-function/-/typed-function-2.0.0.tgz",
+      "integrity": "sha512-Hhy1Iwo/e4AtLZNK10ewVVcP2UEs408DS35ubP825w/YgSBK1KVLwALvvIG4yX75QJrxjCpcWkzkVRB0BwwYlA=="
+    },
     "typedarray-to-buffer": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-4.0.0.tgz",
diff --git a/package.json b/package.json
index d2c8594d5..752842d17 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
     "react-dom": "^17.0.2",
     "remix": "^1.1.3",
     "tiny-invariant": "^1.2.0",
+    "ts-trueskill": "^3.3.0",
     "uuid": "^8.3.2",
     "zod": "^3.11.6"
   },
diff --git a/prisma/seed/script.ts b/prisma/seed/script.ts
index dc8d9ebd7..a6c894357 100644
--- a/prisma/seed/script.ts
+++ b/prisma/seed/script.ts
@@ -50,6 +50,7 @@ export async function seed(variation?: SeedVariations) {
     await prisma.lfgGroupLike.deleteMany();
     await prisma.lfgGroupMember.deleteMany();
     await prisma.lfgGroup.deleteMany();
+    await prisma.skill.deleteMany();
     await prisma.user.deleteMany();
     await prisma.stage.deleteMany();
 
@@ -66,6 +67,7 @@ export async function seed(variation?: SeedVariations) {
     await trustRelationship(nzapUserCreated.id, adminUserCreated.id);
     await stages();
     await tournamentAddMaps(tournament.id);
+    await skills();
 
     const userIdsInTheSystem = (await prisma.user.findMany())
       .map((u) => u.id)
@@ -352,6 +354,20 @@ export async function seed(variation?: SeedVariations) {
       });
     }
 
+    async function skills() {
+      const users = (await prisma.user.findMany()).filter(
+        () => Math.random() < 0.9
+      );
+
+      return prisma.skill.createMany({
+        data: users.map((u) => ({
+          mu: Math.random() * 40 + 10,
+          sigma: Math.random() * 10 + 1,
+          userId: u.id,
+        })),
+      });
+    }
+
     async function stages() {
       const modesList = ["TW", "SZ", "TC", "RM", "CB"] as const;
       const result = [];