·
✅Reviewed by CasinoCalc Research Team
·🗓Updated April 28, 2026
·game guideBlackjack — 完全ガイド
The most popular casino card game. Beat the dealer without going over 21.
RTP
99.5%
ハウスエッジ
0.50%
ボラティリティ
low
最小ベット
$0.1
ルール
Cards 2-10 are face value. Face cards are worth 10. Aces are worth 1 or 11. Get closer to 21 than the dealer without busting.
Blackjack戦略
Always hit on 11 or less. Stand on 17+. Double down on 10 or 11. Split Aces and 8s. Never split 10s or 5s.
🃏 インタラクティブベーシックストラテジーチャート
| Hand | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | A |
|---|---|---|---|---|---|---|---|---|---|---|
| 8 | H | H | H | H | H | H | H | H | H | H |
| 9 | H | D | D | D | D | H | H | H | H | H |
| 10 | D | D | D | D | D | D | D | D | H | H |
| 11 | D | D | D | D | D | D | D | D | D | H |
| 12 | H | H | S | S | S | H | H | H | H | H |
| 13 | S | S | S | S | S | H | H | H | H | H |
| 14 | S | S | S | S | S | H | H | H | H | H |
| 15 | S | S | S | S | S | H | H | H | SU | H |
| 16 | S | S | S | S | S | H | H | SU | SU | SU |
| 17 | S | S | S | S | S | S | S | S | S | S |
💡 Basic Strategy reduces the house edge to ~0.5%. Hover any cell to highlight that action across the table. Assumes 4–8 deck game, dealer stands on soft 17.
Blackjackハウスエッジを理解する
Blackjackのハウスエッジは0.50%です(RTP: 99.5%)。これは、長期にわたって平均的に、¥100ベットされるごとにカジノが¥0.50を保持することを意味します。
プレイヤーリターン
99.5%
カジノ
0.50%