diff --git a/server/package.json b/server/package.json
index 01887429d..a093077e2 100644
--- a/server/package.json
+++ b/server/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "tachi-server",
-	"version": "2.0.10",
+	"version": "2.0.13",
 	"description": "A score tracking server.",
 	"main": "js/index.js",
 	"private": true,
@@ -83,7 +83,7 @@
 		"rimraf": "3.0.2",
 		"safe-json-stringify": "1.2.0",
 		"seq-logging": "^1.1.1",
-		"tachi-common": "0.3.21",
+		"tachi-common": "0.3.22",
 		"ts-node": "10.0.0",
 		"typescript": "4.3.4",
 		"winston": "3.3.3",
diff --git a/server/pnpm-lock.yaml b/server/pnpm-lock.yaml
index c2b70ddc0..8bea94550 100644
--- a/server/pnpm-lock.yaml
+++ b/server/pnpm-lock.yaml
@@ -63,7 +63,7 @@ specifiers:
   safe-json-stringify: 1.2.0
   seq-logging: ^1.1.1
   supertest: 6.1.3
-  tachi-common: 0.3.21
+  tachi-common: 0.3.22
   tap: 15.0.9
   ts-node: 10.0.0
   tsconfig-paths: 3.10.1
@@ -107,7 +107,7 @@ dependencies:
   rimraf: 3.0.2
   safe-json-stringify: 1.2.0
   seq-logging: 1.1.1
-  tachi-common: 0.3.21
+  tachi-common: 0.3.22
   ts-node: 10.0.0_83f53b0a0c5616d3fa00ed4e30b9ce1b
   typescript: 4.3.4
   winston: 3.3.3
@@ -5387,8 +5387,8 @@ packages:
       strip-ansi: 6.0.0
     dev: true
 
-  /tachi-common/0.3.21:
-    resolution: {integrity: sha512-gOaqyEMLrDr0xpmtVqjAYqdY+NgbpaVHZlt0g0v+nmKDMG9gyrqd99alUApUb/o0zzLd8o2uediajgWGcDTCFw==}
+  /tachi-common/0.3.22:
+    resolution: {integrity: sha512-nLt1wv65wY5WdB/QXuVNeOOgA8r2c8OrohGEKyylE5wRyWIA8wOVsZJGPxi9Uxm0TqeVDXwBRV8CyV97czZAMA==}
     dependencies:
       monk: 7.3.4
     transitivePeerDependencies:
diff --git a/server/scripts/single-use/recalc-chunithm-scores.ts b/server/scripts/single-use/recalc-chunithm-scores.ts
index 84592f80d..db1302755 100644
--- a/server/scripts/single-use/recalc-chunithm-scores.ts
+++ b/server/scripts/single-use/recalc-chunithm-scores.ts
@@ -9,7 +9,7 @@ const logger = CreateLogCtx(__filename);
 if (require.main === module) {
 	let i = 0;
 	db.scores
-		.find({ game: "chunithm", "scoreData.grade": "SS" })
+		.find({ game: "chunithm", "scoreData.grade": null })
 		// @ts-expect-error dumb
 		.each(async (oldScore, { pause, resume }) => {
 			pause();
diff --git a/server/src/lib/constants/version.ts b/server/src/lib/constants/version.ts
index 851ef7778..379912495 100644
--- a/server/src/lib/constants/version.ts
+++ b/server/src/lib/constants/version.ts
@@ -4,7 +4,7 @@
 
 const MAJOR = 2;
 const MINOR = 0;
-const PATCH = 10;
+const PATCH = 13;
 
 // As is with all front-facing zkldi projects, the version names for tachi-server
 // are from an album I like. In this case, the album is Portishead - Dummy.
diff --git a/server/src/lib/score-import/framework/common/score-utils.test.ts b/server/src/lib/score-import/framework/common/score-utils.test.ts
new file mode 100644
index 000000000..dab0021ea
--- /dev/null
+++ b/server/src/lib/score-import/framework/common/score-utils.test.ts
@@ -0,0 +1,33 @@
+import t from "tap";
+import { GetGradeFromPercent } from "./score-utils";
+
+t.test("#GetGradeForPercent", (t) => {
+	t.equal(
+		GetGradeFromPercent("chunithm", "Single", 101),
+		"SSS",
+		"Should return SSS for the edge case of chunithms 101% == SS."
+	);
+	t.equal(
+		GetGradeFromPercent("iidx", "SP", 100),
+		"MAX",
+		"Should return SSS for the edge case of 100% == MAX (iidx SP)."
+	);
+	t.equal(
+		GetGradeFromPercent("iidx", "DP", 100),
+		"MAX",
+		"Should return SSS for the edge case of 100% == MAX (iidx DP)."
+	);
+
+	t.equal(
+		GetGradeFromPercent("iidx", "SP", 0),
+		"F",
+		"Should return SSS for the edge case of 0% == F (iidx SP)."
+	);
+	t.equal(
+		GetGradeFromPercent("iidx", "DP", 0),
+		"F",
+		"Should return SSS for the edge case of 0% == F (iidx DP)."
+	);
+
+	t.end();
+});