Bot for tenhou.net riichi mahjong server written in Python

Last update: Jan 6, 2023

Related tags

Overview

[Tests coverage]

Bot was tested with Python 3.7+ and PyPy3, we are not supporting Python 2.

What do we have here?

Mahjong hands calculation

You can find it here: https://github.com/MahjongRepository/mahjong

Mahjong bot

For research purposes we built a simple bot to play riichi mahjong on tenhou.net server.

Here you can read about bot played games statistic: versions history

For developers

How to run it?

pip install -r requirements/lint.txt
Run cd project && python main.py it will connect to the tenhou.net and will play a game.

How to run bot battle with pypy

To make it easier run bot vs bot battles we prepared PyPy3 Docker container.

Run the game locally:

Install Docker
Run make build_docker
Run make GAMES=1 run_battle it will play one game locally. Logs and replays will be stored in bots_battle folder.

Run bots with enabled decision logger (use it only for debug, since it harms performance):

Run make GAMES=1 ARGS=--logs run_battle

Run multiple bots to play one game

Install Docker and Install Docker Compose
Run make build_docker
Put bot configs to project/settings/. By default we are looking for these configs: bot_1_settings.py, bot_2_settings.py, bot_3_settings.py, bot_4_settings.py, bot_5_settings.py. Why 5 settings? Because tenhou doesn't start 2+ game in the custom lobby if you are running only 4 bots.
Run make run_on_tenhou

Configuration instructions

Put your own settings to the project/settings/settings_local.py file. They will override settings from default settings/base.py file.
Also, you can override some default settings with command arguments. Use python main.py -h to check all available commands.

Game reproducer

It can be useful to debug bot errors or strange discards: game reproducer

Comments

Occassionally printing infinite empty 'GET:' after player calls Riichi

Hi Nihisil,

thank you so much for developing this repo, when I used it to play an online match(with my little dumb AI), it seems encountered a bug described in the title, here are some logs:

2017-01-17 16:50:33 DEBUG: Send: <Z />
2017-01-17 16:50:33 DEBUG: Send: <NEXTREADY />
2017-01-17 16:50:35 DEBUG: Get: <INIT seed="3,0,0,2,5,82" ten="350,158,334,158" oya="1" hai="119,77,68,116,4,37,71,74,73,90,64,66,132"/> <U/> 
2017-01-17 16:50:35 INFO: Round: 3, Honba: 0, Dora Indicators: [82]
2017-01-17 16:50:35 INFO: Players: [NoName (35,000), 上野あいみ (33,400), no_D (15,800), 紅稀 (15,800)]
2017-01-17 16:50:35 INFO: Dealer: no_D (15,800)
2017-01-17 16:50:35 INFO: Round  wind: East
2017-01-17 16:50:35 INFO: Player wind: North
2017-01-17 16:50:41 DEBUG: Get: <E114/> 
2017-01-17 16:50:42 DEBUG: Get: <N who="2" m="44139" /> 
2017-01-17 16:50:42 INFO: Meld: pon, who 2
2017-01-17 16:50:44 DEBUG: Get: <F3/> <W/> 
2017-01-17 16:50:46 DEBUG: Get: <G121/> <T54/> 
2017-01-17 16:50:47 INFO: Hand: 2m158899p1125s337z
2017-01-17 16:50:47 DEBUG: Send: <D p="132"/>
2017-01-17 16:50:47 INFO: Remaining tiles: 67
2017-01-17 16:50:48 DEBUG: Send: <Z />
2017-01-17 16:50:48 DEBUG: Get: <D132/> <U/> 
2017-01-17 16:50:49 DEBUG: Get: <E123/> <V/> 
2017-01-17 16:50:53 DEBUG: Get: <F60/> 
2017-01-17 16:50:58 DEBUG: Get: <W/> 
2017-01-17 16:50:59 DEBUG: Get: <G124/> <T63/> 
2017-01-17 16:51:00 INFO: Hand: 2m1578899p1125s33z
2017-01-17 16:51:00 DEBUG: Send: <D p="37"/>
2017-01-17 16:51:00 INFO: Remaining tiles: 63
2017-01-17 16:51:01 DEBUG: Get: <D37/> <U/> 
2017-01-17 16:51:02 DEBUG: Get: <E34/> <V/> 
2017-01-17 16:51:03 DEBUG: Send: <Z />
2017-01-17 16:51:03 DEBUG: Get: <F135/> <W/> 
2017-01-17 16:51:08 DEBUG: Get: <G133/> <T81/> 
2017-01-17 16:51:09 INFO: Hand: 2m578899p11235s33z
2017-01-17 16:51:09 DEBUG: Send: <D p="4"/>
2017-01-17 16:51:09 INFO: Remaining tiles: 59
2017-01-17 16:51:10 DEBUG: Get: <D4/> 
2017-01-17 16:51:11 DEBUG: Get: <U/> 
2017-01-17 16:51:12 DEBUG: Get: <E32/> <V/> 
2017-01-17 16:51:13 DEBUG: Get: <F127/> <W/> 
2017-01-17 16:51:16 DEBUG: Get: <G107/> <T16/> 
2017-01-17 16:51:17 INFO: Hand: 5m578899p11235s33z
2017-01-17 16:51:17 DEBUG: Send: <D p="16"/>
2017-01-17 16:51:17 INFO: Remaining tiles: 55
2017-01-17 16:51:18 DEBUG: Send: <Z />
2017-01-17 16:51:18 DEBUG: Get: <D16/> <U/> 
2017-01-17 16:51:20 DEBUG: Get: <E98/> <V/> 
2017-01-17 16:51:22 DEBUG: Get: <F101/> 
2017-01-17 16:51:23 DEBUG: Get: <W/> 
2017-01-17 16:51:24 DEBUG: Get: <G36/> <T91/> 
2017-01-17 16:51:25 INFO: Hand: 578899p112355s33z
2017-01-17 16:51:25 DEBUG: Send: <D p="54"/>
2017-01-17 16:51:25 INFO: Remaining tiles: 51
2017-01-17 16:51:26 DEBUG: Get: <D54/> <U/> 
2017-01-17 16:51:27 DEBUG: Get: <E131/> <V/> 
2017-01-17 16:51:31 DEBUG: Get: <F27/> 
2017-01-17 16:51:33 DEBUG: Send: <Z />
2017-01-17 16:51:33 DEBUG: Get: <W/> 
2017-01-17 16:51:34 DEBUG: Get: <g118 t="1"/> 
2017-01-17 16:51:35 DEBUG: Send: <N />
2017-01-17 16:51:36 DEBUG: Get: <T31/> 
2017-01-17 16:51:37 INFO: Hand: 8m78899p112355s33z
2017-01-17 16:51:37 DEBUG: Send: <D p="31"/>
2017-01-17 16:51:37 INFO: Remaining tiles: 47
2017-01-17 16:51:38 DEBUG: Get: <D31/> <U/> 
2017-01-17 16:51:39 DEBUG: Get: <E106/> <V/> 
2017-01-17 16:51:41 DEBUG: Get: <F129/> <W/> 
2017-01-17 16:51:44 DEBUG: Get: <g130/> <T41/> 
2017-01-17 16:51:45 INFO: Hand: 278899p112355s33z
2017-01-17 16:51:45 DEBUG: Send: <D p="41"/>
2017-01-17 16:51:45 INFO: Remaining tiles: 43
2017-01-17 16:51:46 DEBUG: Get: <D41/> <U/> 
2017-01-17 16:51:48 DEBUG: Send: <Z />
2017-01-17 16:51:48 DEBUG: Get: <E0/> <V/> 
2017-01-17 16:51:50 DEBUG: Get: <F83/> <W/> 
2017-01-17 16:51:52 DEBUG: Get: <g109/> <T65/> 
2017-01-17 16:51:53 INFO: Hand: 788899p112355s33z
2017-01-17 16:51:53 DEBUG: Send: <D p="63"/>
2017-01-17 16:51:53 INFO: Remaining tiles: 39
2017-01-17 16:51:54 DEBUG: Get: <D63/> 
2017-01-17 16:51:58 DEBUG: Get: <U/> 
2017-01-17 16:51:59 DEBUG: Get: <e1/> <V/> 
2017-01-17 16:52:00 DEBUG: Get: <f35/> 
2017-01-17 16:52:03 DEBUG: Send: <Z />
2017-01-17 16:52:03 DEBUG: Get: <W/> 
2017-01-17 16:52:04 DEBUG: Get: <g96/> <T89 t="32"/> 
2017-01-17 16:52:05 INFO: Hand: 88899p1123555s33z
2017-01-17 16:52:05 DEBUG: Send: <REACH hai="64" />
2017-01-17 16:52:07 DEBUG: Send: <D p="64"/>
2017-01-17 16:52:07 INFO: Remaining tiles: 35
2017-01-17 16:52:08 DEBUG: Get: <REACH who="0" step="1"/> 
2017-01-17 16:52:09 DEBUG: Get: 
2017-01-17 16:52:10 DEBUG: Get: 
2017-01-17 16:52:11 DEBUG: Get: 
2017-01-17 16:52:12 DEBUG: Get: 
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2017-01-17 16:52:15 DEBUG: Get: 
2017-01-17 16:52:16 DEBUG: Get: 
2017-01-17 16:52:17 DEBUG: Get: 
2017-01-17 16:52:18 DEBUG: Send: <Z />
2017-01-17 16:52:18 DEBUG: Get: 
2017-01-17 16:52:19 DEBUG: Get: 
2017-01-17 16:52:20 DEBUG: Get: 
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2017-01-17 16:52:32 DEBUG: Get: 
2017-01-17 16:52:33 DEBUG: Send: <Z />
Exception in thread Thread-1:
Traceback (most recent call last):
  File "/usr/lib/python3.4/threading.py", line 920, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.4/threading.py", line 868, in run
    self._target(*self._args, **self._kwargs)
  File "/home/hao/mahjong/tenhou-python-bot/project/tenhou/client.py", line 304, in send_request
    self._send_message('<Z />')
  File "/home/hao/mahjong/tenhou-python-bot/project/tenhou/client.py", line 280, in _send_message
    self.socket.sendall(message.encode())
BrokenPipeError: [Errno 32] Broken pipe

2017-01-17 16:52:33 DEBUG: Get: 
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opened by 0xsuu 9

AI crashes when calling chankan

2017-07-03 00:26:23 INFO: Hand: 23m55z + 8s [888s, 456m, 999s]
2017-07-03 00:26:24 DEBUG: Send: <N type="5" hai="103" />
2017-07-03 00:26:24 INFO: We called a kan set!
2017-07-03 00:26:25 DEBUG: Get: <N who="0" m="38515" /> <T51/> 
2017-07-03 00:26:25 INFO: Meld: Type: chankan, Tiles: 8888s [100, 101, 102, 103] by 0
2017-07-03 00:26:25 INFO: Hand: 23m8s55z + 4p [888s, 456m, 999s]
2017-07-03 00:26:26 ERROR: Unexpected exception
Traceback (most recent call last):
  File "/mnt/d/programming/wsl/tenhou-python-bot-0.2.7/project/tenhou/main.py", line 24, in connect_and_play
    client.start_game()
  File "/mnt/d/programming/wsl/tenhou-python-bot-0.2.7/project/tenhou/client.py", line 277, in start_game
    discarded_tile = self.player.discard_tile()
  File "/mnt/d/programming/wsl/tenhou-python-bot-0.2.7/project/mahjong/player.py", line 157, in discard_tile
    tile_to_discard = self.ai.discard_tile()
  File "/mnt/d/programming/wsl/tenhou-python-bot-0.2.7/project/mahjong/ai/main.py", line 60, in discard_tile
    selected_tile = self.process_discard_options_and_select_tile_to_discard(results, shanten)
  File "/mnt/d/programming/wsl/tenhou-python-bot-0.2.7/project/mahjong/ai/main.py", line 96, in process_discard_options_and_select_tile_to_discard
    return self.chose_tile_to_discard(results)
  File "/mnt/d/programming/wsl/tenhou-python-bot-0.2.7/project/mahjong/ai/main.py", line 211, in chose_tile_to_discard
    temp_tile = results[0]
IndexError: list index out of range
2017-07-03 00:26:26 INFO: Ending the game...
2017-07-03 00:26:26 ERROR: Game was ended without success

Version is 0.2.7.

Here is the link of full log file.
https://app.box.com/s/zj8tos4qcdjcy5f3d4iolacz9dtiz88u

bug kan

opened by 0xrgb 7

Very slow desicion

Бот на сервере думал 43 секунды над тем брать ли 5м в открытие. Тенха дисконектнула по таймауту из игры.

Локально у меня это решение за 16 секунд обрабатывается, что тоже очень много и больше доступного таймера. Возможно это как-то малой кровью ускорить.

Вопроизвести: python reproducer.py --log 2020102209gm-0009-0000-f4494785 --player Kaavi --wind 1 --honba 0 --tile 5m --action enemy_discard

performance

opened by Nihisil 5
Fail to connect if AI takes a long time to load(~3s).
In Tenhou client, if the overhead of AI takes approximately longer than 3s, then it'll show some socket timeout messages, the fix should be trivial.

Many thanks.

Edit: Sample output:

2017-03-06 11:19:40 INFO: Bot AI enabled: True 2017-03-06 11:19:52 DEBUG: Send: <HELO name="NoName" tid="f0" sx="M" /> 2017-03-06 11:19:52 DEBUG: Get: 2017-03-06 11:19:52 DEBUG: Send: <BYE /> 2017-03-06 11:19:52 INFO: End of the game
bug
opened by 0xsuu 5
Error while run mahjong.py

I run the mahjong.py and this came out, please help! pygame 1.9.4 Hello from the pygame community. https://www.pygame.org/contribute.html Traceback (most recent call last): File "E:/Mahjong-Dynasty-master/mahjong.py", line 12, in jeu_mahjong = mahjong_board(graphics) File "E:\Mahjong-Dynasty-master\src\game.py", line 82, in init self.refresh_mur_gfx() File "E:\Mahjong-Dynasty-master\src\game.py", line 128, in refresh_mur_gfx x, y, angle = fgx_pos_iterateur.next() AttributeError: 'generator' object has no attribute 'next'

opened by NozomiWyane 3

INFO prints dan instead of score

2017-06-22 17:20:01 INFO: Round: 3, Honba: 1, Dora Indicators: [73]
2017-06-22 17:20:01 INFO: Players: [isi1017 (61,400), 辺銀堂 (25,500), ToukaBot (13,100), にこぷり麻雀道. (2級)]
2017-06-22 17:20:01 INFO: Dealer: 辺銀堂 (25,500)
2017-06-22 17:20:01 INFO: Round  wind: East
2017-06-22 17:20:01 INFO: Player wind: West

Here is the link of full log file. https://app.box.com/s/futa0t1619l1g848trmeihzq8as0lv20

bug

opened by 0xrgb 3

Bot crashed when calling kan set

2017-06-22 13:45:12 INFO: Meld: Type: pon, Tiles: 555s [88, 90, 91] by 0
2017-06-22 13:45:12 INFO: With hand: 34m455666p + 5s [345m, 555s]
2017-06-22 13:45:12 INFO: Discard tile after called meld: 4p
2017-06-22 13:45:12 DEBUG: Send: <D p="48"/>
2017-06-22 13:45:13 DEBUG: Get: <D48/> <U/> 
2017-06-22 13:45:16 DEBUG: Get: <e47/> <V/> 
2017-06-22 13:45:20 DEBUG: Send: <Z />
2017-06-22 13:45:21 DEBUG: Get: <f59 t="3"/> 
2017-06-22 13:45:21 DEBUG: Send: <N type="2" />
2017-06-22 13:45:21 INFO: We called a kan set!
2017-06-22 13:45:22 DEBUG: Get: <N who="0" m="15106" /> <T45/> 
2017-06-22 13:45:22 ERROR: Unexpected exception
Traceback (most recent call last):
  File "/_github/tenhou-python-bot-0.2.6/project/tenhou/main.py", line 21, in connect_and_play
    client.start_game()
  File "/_github/tenhou-python-bot-0.2.6/project/tenhou/client.py", line 316, in start_game
    self.table.add_called_meld(meld.who, meld)
  File "/_github/tenhou-python-bot-0.2.6/project/mahjong/table.py", line 75, in add_called_meld
    self.get_player(player_seat).add_called_meld(meld)
  File "/_github/tenhou-python-bot-0.2.6/project/mahjong/player.py", line 214, in add_called_meld
    self.tiles.remove(meld.called_tile)
ValueError: list.remove(x): x not in list
2017-06-22 13:45:22 INFO: Ending the game...
2017-06-22 13:45:22 ERROR: Game was ended without success

Here is the log.

bug kan

opened by 0xrgb 3

TypeError: can't pickle _thread.RLock objects

a0de1_2020-12-04_15_13_22.log a0de1_2020-12-04_15_22_29.log a0de1_2020-12-04_15_25_17.log a0de1_2020-12-04_15_12_43.log Seems that the error occurs when trying to call a meld.

opened by Jifaaa 2
Not optimal discard?

Возможно кинуть 9м тут является вариантом получше, но это не точно. Надо разобраться.

Воспроизвести: python reproducer.py --log 2020102009gm-0001-7994-5e2f46c0 --player Kaavi --wind 3 --honba 1 --tile 5m --action draw

question?

opened by Nihisil 2
Change encounter and melding logic, add data analysis stuffs
Hi Alex! I am really interested in this project and appreciate it a lot for works that have done. Now I have forked it, tweaked it a little bit, added some data analysis stuffs like data cleaning and visualization, and now I am running several bots to collect more data. I am looking forward to cooperate with you more.

The changes I have made to this bot is mainly based on a book called 科学する麻雀. It's my favorite mahjong book.

Several changes I have made to the bot are:

Play game according to several different states: Preparing, Proactive Goodshape, Proactive Badshape, Reactive Goodshape, Reactive Badshape, Defence.

Switch strategy to tanyao or yakuhai only if (dora >=1) or (shanten <= 2) or (is_dealer). I find the bot calling melds too much and several tweaks are based on this.

Improve tanyao condition judgement. If there are 2 or more terminal lugs(13, 12, 23 without 4, or stuffs like that), tanyao strategy won't be activated.

Improve yakuhai melding judgement by disallowing calling melds before yakuhai pon is called. In previous version it calls melds a lot before yakuhai pon and that's not good.

Now the bot calls melds much less often than before and that results in better defence and more riichi.

Now I am collecting more data to make better analysis and see where it can improve. I have collected about 100 games and 900 hands but that's not enough at all for data analysis.

Any suggestions are appreciated.
opened by jakehsiao 2
Is there a way to see whether a discarded tile from an opponent player is changed tile or not?

Hi, thanks for your effort in this project. I have a question about possibility of telling whether a tile is a changed tile or not.

The definition of a changed tile: if the tile a player discards has existed in his hand, it is called a "changed tile"; if the tile a player discards is the one he just draws, it is NOT a "changed tile". I believe this information is important for mahjong players. When playing mahjong face to face, we always pay attention to players who changed their hands.

In mjlog, we can easily get this information since all tiles (including those in the hands of opponent players) are visible; however, is it possible to get this information while playing real games?

Thanks very much.

opened by josephchenhk 2
[Question/Need help] How to watch a game based on python-socket communication with tenhou.net

Hi developer @Nihisil , I'm very interested in your AI developed. I'm mostly interested in the socket communication part that allows the AI to play game automatically through sending text messages. So I'm now currently learning your code and developing a program to watch a tenhou game and print out the results. But I meet some problems.

By clicking into a tenhou game link obtained from tenhou.net/0/wg in my browser, and press F12, I saw the message sent in order to start watching a game: So after I connected by socket and got authenticated (this part is same as your code), I sent <WG id="8DAC0C1A" tw=0 />, but I got no reply at all. At this stage if a sent a message requesting for a game (copied from your code), I could get reply and start a game. So I'm doubting whether I sent the correct message.

Later on I compared other messages my browser sent with your code's, and I found some differences: The Login message: Your code has an extra tid="f0"

The alive message when hanging around in lobby: The numbers within the messages are different.

Since both messages work for sure, I wonder how you found out the correct message to send, and why you did not choose the same message as the browser version. (Note, most other messages sent are the same)

I'm a beginner to socket, and I'm purely coding for fun and learning. I would appreciate it very much if you could give me some hints and guidance!

opened by 17876zjc 7
[Question] Why and when socket connections was automatically?

Question

I use this repository in our Mahjong AI Project and plays mahjong game (game_type is 9, hanchan ari-ari), but sometimes game was ended unsuccessfully with the log "We are getting empty messages from socket. Probably socket connection was closed". I'm not sure why and when this happened?

opened by nara-ryoya 2

Crash [Live dora tiles can't be less than 0]

Bots played on commit: https://github.com/MahjongRepository/tenhou-python-bot/commit/1e4d477bf470c8a9024b4ad553ab47125b914903

Seed to reproduce:

15996451505448234089

2020-11-24_03_16_38.log-Traceback (most recent call last):
2020-11-24_03_16_38.log-  File "bots_battle.py", line 47, in main
2020-11-24_03_16_38.log-    manager.play_game()
2020-11-24_03_16_38.log-  File "/app/game/bots_battle/game_manager.py", line 105, in play_game
2020-11-24_03_16_38.log-    results = self.play_round()
2020-11-24_03_16_38.log-  File "/app/game/bots_battle/game_manager.py", line 435, in play_round
2020-11-24_03_16_38.log-    meld, discard_option = other_client.player.try_to_call_meld(tile, is_kamicha_discard)
2020-11-24_03_16_38.log-  File "/app/game/player.py", line 240, in try_to_call_meld
2020-11-24_03_16_38.log-    return self.ai.try_to_call_meld(tile, is_kamicha_discard)
2020-11-24_03_16_38.log-  File "/app/game/ai/main.py", line 126, in try_to_call_meld
2020-11-24_03_16_38.log-    meld, discard_option = self.current_strategy.try_to_call_meld(tile_136, is_kamicha_discard, tiles_136)
2020-11-24_03_16_38.log-  File "/app/game/ai/strategies/main.py", line 184, in try_to_call_meld
2020-11-24_03_16_38.log-    chosen_meld_dict = self._find_best_meld_to_open(tile, possible_melds, new_tiles, closed_hand, tile)
2020-11-24_03_16_38.log-  File "/app/game/ai/strategies/main.py", line 405, in _find_best_meld_to_open
2020-11-24_03_16_38.log-    selected_tile = self.player.ai.hand_builder.choose_tile_to_discard(after_meld=True)
2020-11-24_03_16_38.log-  File "/app/game/ai/hand_builder.py", line 47, in choose_tile_to_discard
2020-11-24_03_16_38.log-    discard_options, threatening_players = self.player.ai.defence.mark_tiles_danger_for_threats(discard_options)
2020-11-24_03_16_38.log-  File "/app/game/ai/defence/main.py", line 482, in mark_tiles_danger_for_threats
2020-11-24_03_16_38.log-    discard_options = self.calculate_danger_borders(discard_options, threatening_player, threatening_players)
2020-11-24_03_16_38.log-  File "/app/game/ai/defence/main.py", line 206, in calculate_danger_borders
2020-11-24_03_16_38.log-    threatening_player_hand_cost = threatening_player.get_assumed_hand_cost(tile_136)
2020-11-24_03_16_38.log-  File "/app/game/ai/defence/enemy_analyzer.py", line 161, in get_assumed_hand_cost
2020-11-24_03_16_38.log-    return self._calculate_assumed_hand_cost_for_riichi(tile_136)
2020-11-24_03_16_38.log-  File "/app/game/ai/defence/enemy_analyzer.py", line 272, in _calculate_assumed_hand_cost_for_riichi
2020-11-24_03_16_38.log-    assert live_dora_tiles >= 0, "Live dora tiles can't be less than 0"
2020-11-24_03_16_38.log-AssertionError: Live dora tiles can't be less than 0

bug battle

opened by Nihisil 1

Don't consider suji traps when calling riichi on dora (except for 1 or 9 maybe)

Боты сейчас активно ричуют в залом, но они не учитывают, что залом на дору фактически не работает. Поэтому для ожиданий на дору в логике кидать риичи или даматенить лучше не учитывать залом вообще, или учитывать его только при риичи на 1 или 9.
enhancement

opened by bogachev-pa 0
Additional riichi/damaten rules

Есть еще такая мысль, если противник ричует, то, если даматеним на тайлы, не безопасные против него, то ричуем встречку. Мб кроме случаев, когда ждем в танки на плохой вэйт. Можно будет это продумать.
idea

opened by bogachev-pa 0

Releases(v0.5.1)

v0.5.1(Dec 16, 2020)

Fix authentication error after tenhou changed auth protocol.
Source code(tar.gz)
Source code(zip)
v0.5.0(Nov 29, 2020)

Release notes you can find here: https://github.com/MahjongRepository/tenhou-python-bot/blob/dev/doc/versions.md#050-version
Source code(tar.gz)
Source code(zip)
v0.4.0(Feb 26, 2019)

For this version, we did a lot of improvements (162 commits in total) in hand building and meld calling. The bot is building hand very well now and the next step is to build a smart defence mechanism.
Source code(tar.gz)
Source code(zip)
v0.3.2(Oct 7, 2017)
Fix a bug in tenhou client with not winning by damaten tsumo

Upgrade mahjong lib to the 1.1.1 version. It fixes a couple of crashes

Source code(tar.gz)
Source code(zip)
v0.3.1(Sep 30, 2017)
Fix players sorting (it is sorting by first position as a second attribute now)

Remove " " from log name

Tsumogiri tile when it is possible

Resurrect statistics sender

Source code(tar.gz)
Source code(zip)
v0.3.0(Sep 25, 2017)
Hand calculations code were was to the separate project, so you had to run pip install -r requirements.txt to install this package (https://github.com/MahjongRepository/mahjong)

AI structure was refactored and now it is easy to implement your own AI. You can find details here: https://github.com/MahjongRepository/tenhou-python-bot#implement-your-own-ai

Source code(tar.gz)
Source code(zip)
v0.2.8(Jul 22, 2017)

Fix an issue with crash after called chankan set (#35)
Source code(tar.gz)
Source code(zip)
v0.2.7(Jun 22, 2017)
Fix an issue with crash after called kan set (#32)

Fix wrong scores displaying for player with scores = 0 (#33)

Minor fixes in bot logger formatter

Source code(tar.gz)
Source code(zip)
v0.2.6(Jun 21, 2017)
Add round reproducer (check readme for details)

Fix an issue with crash after called kan

Fix an issue with called meld wrong log messages (#31)

Source code(tar.gz)
Source code(zip)
v0.2.5(Apr 15, 2017)
Features:

Add logic to call closed kan, chankan and opened kan

Handle unexpected errors and store stack trace to the log

Try to push riichi (with a good wait) against threatening players

Remove analytics code from the project

Remove local game runner code from the project

Bugs fixes:

Improve the way to open hand and fix different bugs related to it

Fix a bug related to crash when tempai without riichi

Improve honitsu discard detection

Fix a bug with overwriting safe tile danger value by more dangerous tile

Source code(tar.gz)
Source code(zip)
v0.2.4(Apr 11, 2017)
Features:

Total refactoring of discards system

Minor improvements of rounds reproducer

Try to push with expensive (with 3+ doras) 1 shanten hand against threatening players

Try to save more valuable tiles in hand even if they have less remaining tiles

Try to grab as much yakuhai pons as possible

Correctly handle atodzuke opened yakuhai hands

Improve defence against multiple honitsu players

Improve honitsu discards detection

Bugs fixes:

Don't add chankan to the players melds (because we already added a pon)

Fix a bug with wrong hand estimation in defence mode

Fix a bug with wrong detection of safe tiles

Fix a bug with wrong honitsu detection

Exclude aka dora from waiting for hand estimation, because it affected on hand cost

Source code(tar.gz)
Source code(zip)
v0.2.3(Apr 8, 2017)
New features:

After started game bot will parse game rules (aka dora and open tanyao) and it will change it's play logic based on these rules

Discards system were refactored for better support of defence logic. It will consume more resources now, but will give more opportunity to the careful playing

Detect enemy's honitsu hands and fold against them

Parse and store to a log a message about new achieved rank

Add replay reproducer. We need it to be able reproduce round from the tenhou log and debug bot's decisions

First try to fold only with 100% safe tiles against multiple players, and if there is no 100% safe tiles try to find common suji tiles to fold

Mark dora as a dangerous tile to discard when defence with suji

Bugs fixes:

Fix a bug when bot didn't riichi for with penchan waiting

Fix a bug with not counting our bot discards as safe tiles against other players in riichi

Fix a bug with wrong is_tempai flag after discarding tiles

Fix a crash after called chankan

Fix an issue with wrong counting of remaining tiles in the wall

Check should bot go to the defence mode just after called riichi, not after first draw. It will affect open hand suggestions

Source code(tar.gz)
Source code(zip)
v0.2.2(Mar 21, 2017)
Improve defence strategy with Kabe technique

Improve defence strategy with Suji technique

Remove beautifulsoup4 dependency. It should speed up a bot a little bit

Various minor fixes in local games runner

Fix an issue with bot discards and revealed tiles cache

Source code(tar.gz)
Source code(zip)
v0.2.1(Mar 17, 2017)
Bot AI improvements:

In defence mode try to discard not needed safe tiles first

If there is no not needed tiles, try to discard safe tiles that will do less harm to the hand state

Don't call a riichi for a pair wait (except chitoitsu). This wait can be easily improved

Local games improvements:

Don't allow to call ron when furiten

Support multiple ron for local games

Support abortive retakes for local games

Source code(tar.gz)
Source code(zip)
v0.2.0(Mar 16, 2017)
Store information about was tile discarded from hand or it was tsumogiri. It will be helpful for future discard analyzation

Implement simple defence mode. Discard gembutsu tiles after other player riichi if our hand is cheap or not ready

Heavy refactoring of Client, Table and Player classes. It will allow to build next features with less efforts :)

Source code(tar.gz)
Source code(zip)
v0.1.1(Mar 8, 2017)
Add the mode to detect game type dynamically based on bot rank and rate

Fix and issue with socket initialization and resources loading

Handle KeyboardInterrupt exception on Ctrl + C

Source code(tar.gz)
Source code(zip)
v0.1.0(Mar 6, 2017)
Was added basic support for open hands. Bot will open hand if it will improve hand shanten number. And it has different open hand strategies: Tanyao, Honitsu, Yakuhai.

Each discard tile has "value" from now. For example dora would be more valuable, than usual tile, or 5 is more valuable than 1. Bot will try to discard not valuable tiles first.

For "remaining tiles" we will not count discarded tiles or tiles from open sets. So, bot will try to avoid "dead" waits.

Local game runner was significantly improved. It supports more mahjong aspects and allows to save local games in tenhou.net log format. So, you can view it with standard tenhou log viewer.

Add analytics package. It contains scripts to download phoenix replays and load them to the memory. Later I will analyze phoenix replays for different mahjong situations (like suji traps and etc.)

Source code(tar.gz)
Source code(zip)
v0.0.5(Jun 29, 2016)
Fix a bug with tournament authentication

Support login to the tournament lobby (-c flag)

Various fixes in the bots runner

Source code(tar.gz)
Source code(zip)
v0.0.4(Jun 24, 2016)
Fix a bug with wrong one line tiles presentation

Implement basic bots runner

Source code(tar.gz)
Source code(zip)
v0.0.3(Jun 21, 2016)
Allow to set settings from command arguments. Use python main.py -h for details

Support login to the lobby

Support is_tournament mode. In this mode bot will connect to the lobby and will wait while game is started.

Source code(tar.gz)
Source code(zip)
v0.0.2(May 23, 2016)

Fixed bug with wrong riichi call logic
Source code(tar.gz)
Source code(zip)
v0.0.1(May 23, 2016)

Bot can only collects tiles and calls riichi. It doesn't know about dora, yaku or defence, but all main features for playing on tenhou.net were implemented. In the next release I will improve bot strategy.
Source code(tar.gz)
Source code(zip)

Owner

GitHub

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Bot for tenhou.net riichi mahjong server written in Python

Related tags

Overview

What do we have here?

Mahjong hands calculation

Mahjong bot

For developers

How to run it?

How to run bot battle with pypy

Run multiple bots to play one game

Configuration instructions

Game reproducer

Comments

Question

Releases(v0.5.1)

v0.5.1(Dec 16, 2020)

v0.5.0(Nov 29, 2020)

v0.4.0(Feb 26, 2019)

v0.3.2(Oct 7, 2017)

v0.3.1(Sep 30, 2017)

v0.3.0(Sep 25, 2017)

v0.2.8(Jul 22, 2017)

v0.2.7(Jun 22, 2017)

v0.2.6(Jun 21, 2017)

v0.2.5(Apr 15, 2017)

v0.2.4(Apr 11, 2017)

v0.2.3(Apr 8, 2017)

v0.2.2(Mar 21, 2017)

v0.2.1(Mar 17, 2017)

v0.2.0(Mar 16, 2017)

v0.1.1(Mar 8, 2017)

v0.1.0(Mar 6, 2017)

v0.0.5(Jun 29, 2016)

v0.0.4(Jun 24, 2016)

v0.0.3(Jun 21, 2016)

v0.0.2(May 23, 2016)

v0.0.1(May 23, 2016)