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Mahjong Master
advanced Yakuman Very Rare Closed Only

Tenhou

天和 | Tenhou

As the dealer, win instantly with a complete hand on your initial 14-tile deal before any draws or discards.

By Kenji Tanaka · Updated

Overview

Tenhou, the heavenly hand or dealer's blessing, is a yakuman awarded to the dealer who completes a winning hand on their very first draw, the dealt fourteen tiles themselves, before any tile is discarded and before any call is made. In other words, the dealer is dealt a complete winning hand. It is the dealer's counterpart to chiihou, the earthly hand a non-dealer can win on their opening self-draw. Tenhou is purely a matter of luck, with odds in the hundreds of thousands, and it cannot be influenced by skill in any way. As a yakuman it pays the full dealer amount of 48,000 points regardless of the underlying shape of the hand. Because only the dealer takes the very first action of a hand, and only a fully complete dealt hand qualifies, tenhou is among the rarest occurrences in all of mahjong and is essentially a once-in-a-lifetime event for most players.

Han Value
Yakuman

Example Hand

1m 2m 3m 5p 6p 7p 2s 3s 4s 8s 8s 8s 1z 1z

Conditions

  • You must be the dealer (East seat)
  • Your initial 14-tile deal must already form a complete winning hand
  • No draws, discards, or calls occur — the hand is won immediately upon dealing
  • The hand is inherently closed since no actions have taken place
  • The hand does not need to contain any other yaku — tenhou itself is yakuman regardless of the hand’s composition
  • This is purely a matter of luck with no strategic element

Strategy Tips

  • Tenhou is entirely luck-based and cannot be strategized or planned for. It either happens on the deal or it doesn’t. Just enjoy the moment if it ever occurs.
  • The probability of tenhou is approximately 1 in 300,000 hands, making it one of the rarest events in mahjong. Most players will never experience it, even in a lifetime of play.
  • If you are playing online and receive tenhou, take a screenshot. It is a genuinely memorable event worth documenting, and some platforms even track it as a special achievement.