diff --git a/prisma/migrations/20260331102802_add_rating_systems/migration.sql b/prisma/migrations/20260331102802_add_rating_systems/migration.sql
new file mode 100644
index 0000000..5423709
--- /dev/null
+++ b/prisma/migrations/20260331102802_add_rating_systems/migration.sql
@@ -0,0 +1,69 @@
+-- CreateTable
+CREATE TABLE "elo_ratings" (
+    "id" SERIAL NOT NULL,
+    "playerId" INTEGER NOT NULL,
+    "rating" INTEGER NOT NULL DEFAULT 1000,
+    "volatility" DOUBLE PRECISION NOT NULL DEFAULT 0,
+    "gamesPlayed" INTEGER NOT NULL DEFAULT 0,
+    "wins" INTEGER NOT NULL DEFAULT 0,
+    "losses" INTEGER NOT NULL DEFAULT 0,
+    "draws" INTEGER NOT NULL DEFAULT 0,
+    "lastUpdated" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "elo_ratings_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "glicko2_ratings" (
+    "id" SERIAL NOT NULL,
+    "playerId" INTEGER NOT NULL,
+    "rating" DOUBLE PRECISION NOT NULL DEFAULT 1500.0,
+    "deviation" DOUBLE PRECISION NOT NULL DEFAULT 350.0,
+    "volatility" DOUBLE PRECISION NOT NULL DEFAULT 0.05,
+    "gamesPlayed" INTEGER NOT NULL DEFAULT 0,
+    "wins" INTEGER NOT NULL DEFAULT 0,
+    "losses" INTEGER NOT NULL DEFAULT 0,
+    "draws" INTEGER NOT NULL DEFAULT 0,
+    "lastUpdated" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "glicko2_ratings_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "open_skill_ratings" (
+    "id" SERIAL NOT NULL,
+    "playerId" INTEGER NOT NULL,
+    "rating" DOUBLE PRECISION NOT NULL DEFAULT 25.0,
+    "deviation" DOUBLE PRECISION NOT NULL DEFAULT 8.33,
+    "gamesPlayed" INTEGER NOT NULL DEFAULT 0,
+    "wins" INTEGER NOT NULL DEFAULT 0,
+    "losses" INTEGER NOT NULL DEFAULT 0,
+    "draws" INTEGER NOT NULL DEFAULT 0,
+    "lastUpdated" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "open_skill_ratings_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "elo_ratings_playerId_key" ON "elo_ratings"("playerId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "glicko2_ratings_playerId_key" ON "glicko2_ratings"("playerId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "open_skill_ratings_playerId_key" ON "open_skill_ratings"("playerId");
+
+-- AddForeignKey
+ALTER TABLE "elo_ratings" ADD CONSTRAINT "elo_ratings_playerId_fkey" FOREIGN KEY ("playerId") REFERENCES "players"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "glicko2_ratings" ADD CONSTRAINT "glicko2_ratings_playerId_fkey" FOREIGN KEY ("playerId") REFERENCES "players"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "open_skill_ratings" ADD CONSTRAINT "open_skill_ratings_playerId_fkey" FOREIGN KEY ("playerId") REFERENCES "players"("id") ON DELETE CASCADE ON UPDATE CASCADE;