---
title: "チェスLab：Arasan エンジン - Reviews, Revenue and Downloads in Japan | Apple App Store"
description: "Chess Lab: Arasan AI Engine は、世界クラスのチェスエンジンと、美しく直感的なインターフェースを組み合わせたチェスアプリです。上達を目指す初心者から、本格的な分析や対局を求める上級者まで、必要な機能をすべて一つのアプリに集約しています。  ▪ 「Web Invite」で今すぐ対局 ・友達にアプリのダウンロードやアカウント作成を求める必要はありません。 ・招待リンクを生成し"
---

# チェスLab：Arasan エンジン — Japan
> オンライン対戦と本格エンジンによる高精度な棋譜解析

![チェスLab：Arasan エンジン App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/f0/1d/d3/f01dd33c-1ffa-7181-84f8-caff6fcc399d/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [koji ozono](https://apptail.io/developer/koji-ozono-ygMxG)
**Category:** Games
**Rating:** 2.8/5 (4 ratings)
**Price:** Free
**Bundle ID:** com.ozn.dev.chess
**Store:** Apple App Store
**Country:** Japan
**Version:** 2.1.2 (released 2026-10-02)
**Original Release:** 2026-01-03
**Languages:** English, Japanese

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/jp/app/app/id6757245101)
**AppTail Page:** [https://apptail.io/app/chess-lab-arasan-ai-engine-Fucy/japan](https://apptail.io/app/chess-lab-arasan-ai-engine-Fucy/japan)

## チェスLab：Arasan エンジン Description
Chess Lab: Arasan AI Engine は、世界クラスのチェスエンジンと、美しく直感的なインターフェースを組み合わせたチェスアプリです。上達を目指す初心者から、本格的な分析や対局を求める上級者まで、必要な機能をすべて一つのアプリに集約しています。

▪ 「Web Invite」で今すぐ対局
・友達にアプリのダウンロードやアカウント作成を求める必要はありません。
・招待リンクを生成して送るだけで、相手はスマートフォンやPCのブラウザからすぐに対局へ参加できます。

▪ 多彩な対局モード
・オンライン対戦：世界中のプレイヤーと対戦し、グローバルランキングを目指せます。
・Web Invite 対戦：URLで簡単にプライベートマッチ。
・オフラインCPU対戦：強力な Arasan AI と対局。40段階の強さ調整で、自分のレベルに合わせて練習できます。
・ローカル2人対戦：1台のデバイスで向かい合ってプレイ可能。

▪ 充実の解析＆リプレイ機能
・Arasan搭載：高精度な評価値と最善手を算出する堅牢なUCIエンジンを内蔵。
・リアルタイム評価：対局中に評価バーやセンチポーン値／グラフを確認可能。
・インタラクティブ履歴：過去の対局をステップ再生、早送り、任意局面へのジャンプで振り返り。
・可視化された洞察：大きな評価値変化（悪手）を自動ハイライト。長考手は色分け（赤／黄）で時間管理も可視化。
・PGN取り込み：外部の対局データ(PGN)をインポートが可能。

▪ プレミアムな盤面体験
・2.5D & 2D表示：没入感のある傾斜2.5D視点とクラシックな2D盤面を切り替え可能。
・補助ハイライト：合法手、駒取り、チェックを明確表示し、ミスを防止。
・昇格完全対応：ポーン昇格時にクイーン、ルーク、ビショップ、ナイトを正確に選択可能。
・中断＆再開：未完了の対局を自動保存し、後から再開できます。
・触覚フィードバック：滑らかなアニメーションと高品質ハプティクスで心地よい操作感。

## チェスLab：Arasan エンジン Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6b/cb/fa/6bcbfa3b-e29e-b228-7e03-ed62dcc233e4/simulator_screenshot_02D0953D-D695-4BE9-A0E3-49FD52218E3E.png/1320x2868.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/8f/5f/ff/8f5fff67-696f-619f-ca44-4c9411d78ba0/simulator_screenshot_F9FD034D-DCBD-4067-A25D-35F50F8CD500.png/1320x2868.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/01/ea/49/01ea49be-b402-05da-3359-49ee8ce1c3f4/simulator_screenshot_41933927-BBA6-486B-85F6-1420F5889344.png/1320x2868.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/54/6e/d2/546ed291-1b1b-f536-b77a-1575ef579c71/simulator_screenshot_91A8CC79-0AEC-4D57-B807-2EC4039E61D8.png/1320x2868.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/93/61/1e/93611e5a-0a20-7ccd-1cbc-f876b83824eb/simulator_screenshot_CBF39A1C-CF12-4D4F-B411-A71B36A06E7D.png/1320x2868.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ef/a4/ea/efa4eac9-5226-8caa-3f5e-595290ba5f6d/simulator_screenshot_52E38A08-44AF-4838-8622-1D023D69FABF.png/1320x2868.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6d/1d/92/6d1d9274-6c4a-d434-9979-346258e14018/simulator_screenshot_94409691-3839-4ED5-A37A-5282C3C4ECE0.png/1320x2868.png)
- [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/59/33/e1/5933e1b4-a470-79ae-690b-a1dc399cfb33/simulator_screenshot_ACD22FE4-5D74-46AD-A40C-CE6BB60D6E8D.png/1320x2868.png)
- [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/c7/b6/fa/c7b6faf6-fa9e-f9ed-aae8-e7bba181c162/simulator_screenshot_5C0C8FE7-8C29-4F87-AD70-3EDCAE570702.png/1320x2868.png)

## チェスLab：Arasan エンジン Rating Breakdown in Japan
- 5 stars: 1 (25%)
- 4 stars: 1 (25%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 2 (50%)






## チェスLab：Arasan エンジン Available In
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---

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