diff --git a/UPDATES.md b/UPDATES.md
index 98eda07..f4dabf3 100644
--- a/UPDATES.md
+++ b/UPDATES.md
@@ -1,5 +1,13 @@
 ---
-updatedAt: 2026-09-06T22:30:18+09:00
+updatedAt: 2026-09-07T00:16:12+09:00
+---
+
+## 2026년 9월 7일
+
+### 배치 분석의 인게임 1노트 점수 표시
+
+`NEW` 배치 분석에서 기본 1노트 점수와 가창 보너스를 합산한 인게임 1노트 점수를 함께 확인할 수 있습니다. 일반 PERFECT·스킬/콤보 보너스 제외 기준이며, 가창 보너스 덮어쓰기 값도 즉시 반영합니다.
+
 ---
 
 ## 2026년 9월 6일
diff --git a/src/routes/analysis/+page.svelte b/src/routes/analysis/+page.svelte
index 91daab7..f5e4902 100644
--- a/src/routes/analysis/+page.svelte
+++ b/src/routes/analysis/+page.svelte
@@ -16,7 +16,7 @@
   import PresetManager from '$lib/components/PresetManager.svelte';
   import ScoreTimelineChart from '$lib/components/ScoreTimelineChart.svelte';
   import SongPicker from '$lib/components/SongPicker.svelte';
-  import { calculateBoardEffects, calculateExactScore, calculateUnitPower, countOptimizationCandidates, memoryParameterPermil, optimizeBoardConnectionCards, optimizeExactOrderAndCooldowns, perfectNoteScoreFromPower, toOptimizerCard } from '$lib/engine/index.ts';
+  import { calculateBoardEffects, calculateExactScore, calculateUnitPower, countOptimizationCandidates, finalNoteScore, memoryParameterPermil, optimizeBoardConnectionCards, optimizeExactOrderAndCooldowns, perfectNoteScoreFromPower, toOptimizerCard } from '$lib/engine/index.ts';
   import type { CooldownReduction, EffectiveSkillWindow, ExactOptimizationResult, ExactSongChart, OptimizableConnectionCard, OptimizationProgress, ScoreAchievementProbabilities, SkillWindow } from '$lib/engine/index.ts';
   import { USER_DATA_STORAGE_KEY } from '$lib/storage/browser-storage';
   import { createScoreOptimizerWorker } from '$lib/workers/create-score-optimizer-worker.ts';
@@ -168,6 +168,7 @@
   })();
   $: overallPower = unitPower.overallPower;
   $: perfectNoteScore = perfectNoteScoreFromPower(overallPower, selectedChart?.scoreRatio ?? null);
+  $: inGamePerfectNoteScore = finalNoteScore(perfectNoteScore, boardEffects.directSongScoreBonusPercent);
   $: scoreCalibrationLabel = selectedChart?.scoreCalibrationSource === 'formula-v1' ? '곡별 공식' : selectedChart?.scoreCalibrationSource === 'measured' ? '실측값' : '추정값';
   $: timelineDuration = selectedChart?.durationSeconds ?? 0;
   $: displayedEffectiveActiveWindows = mergeEffectiveActiveWindows(result?.effectiveActiveWindows ?? []);
@@ -883,7 +884,16 @@
         <input class="number-input" type="number" min="0" max="10" step="any" value={songScoreBonusOverride ?? ''} placeholder="실제 보드값" on:input={(event) => updateSongScoreBonusOverride(event.currentTarget)}>
       </label>
       <div class="power-summary"><span>자동 계산 종합력</span><strong>{overallPower.toLocaleString('ko-KR')}</strong></div>
-      <div class="chart-meta"><span>길이 {selectedChart?.durationSeconds ?? 0}초</span><span>노트 {selectedChart?.totalNotes?.toLocaleString('ko-KR') ?? 0}개</span><span>1노트 {Math.ceil(perfectNoteScore).toLocaleString('ko-KR')}점 · {scoreCalibrationLabel}</span>{#if boardEffects.directSongScoreBonusPercent > 0 || songScoreBonusOverride !== null}<span>가창 보너스 {boardEffects.directSongScoreBonusPercent}%{songScoreBonusOverride === null ? '' : ' · 덮어쓰기'}</span>{/if}</div>
+      <div class="chart-meta">
+        <span>길이 {selectedChart?.durationSeconds ?? 0}초</span>
+        <span>노트 {selectedChart?.totalNotes?.toLocaleString('ko-KR') ?? 0}개</span>
+        <span>기본 1노트 {Math.ceil(perfectNoteScore).toLocaleString('ko-KR')}점 · {scoreCalibrationLabel}</span>
+        {#if boardEffects.directSongScoreBonusPercent > 0 || songScoreBonusOverride !== null}
+          <span>가창 보너스 {boardEffects.directSongScoreBonusPercent}%{songScoreBonusOverride === null ? '' : ' · 덮어쓰기'}</span>
+        {/if}
+        <span class="in-game-note-score">인게임 1노트 {inGamePerfectNoteScore.toLocaleString('ko-KR')}점</span>
+      </div>
+      <p class="note-score-guide">인게임 1노트는 일반 PERFECT 기준으로 가창 보너스를 반영한 점수입니다. 스킬·콤보 보너스는 제외하며, 기본점수의 소수점을 유지해 보너스를 적용한 뒤 올림합니다.</p>
     </div>
 
     <div class="card-fields">
@@ -1125,8 +1135,10 @@
   .power-summary { display: grid; gap: 4px; min-height: 42px; margin-top: 25px; padding: 7px 11px; border-radius: 9px; background: #22202a; }
   .power-summary span { color: #929cab; font-size: 12px; font-weight: 750; }
   .power-summary strong { color: #f2a3c4; font-size: 16px; }
-  .chart-meta { display: flex; grid-column: 1 / -1; gap: 8px; height: 42px; align-items: center; }
+  .chart-meta { display: flex; flex-wrap: wrap; grid-column: 1 / -1; gap: 8px; min-height: 42px; align-items: center; }
   .chart-meta span { padding: 7px 9px; border-radius: 7px; color: #adb5c2; background: #202631; font-size: 13px; white-space: nowrap; }
+  .chart-meta .in-game-note-score { color: #f0f4ff; font-weight: 700; }
+  .note-score-guide { grid-column: 1 / -1; margin: 0; color: #adb5c2; font-size: 12px; line-height: 1.6; }
   .card-fields { display: grid; gap: 9px; margin-top: 18px; }
   .card-field-header, .card-field { display: grid; grid-template-columns: minmax(280px, 1fr) clamp(120px, 10vw, 160px) clamp(280px, 24vw, 360px) clamp(180px, 16vw, 240px); gap: 9px; }
   .card-field-header { padding: 0 2px; color: #8f98a8; font-size: 13px; font-weight: 800; }