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[Mahjong]Tenhou Thread - Page 37

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spinesheath Germany8679 Posts September 15 2014 17:21 GMT #721 Good, at least my decision matches with what higher ranked people would do. It still cost me 12000 points. I think I managed to pull myself back up to 3rd place. It's Madoka's shoe in Kyubey's face.

Hesmyrr Canada5776 Posts September 18 2014 16:26 GMT #722 I've been playing like idiot recently, blatant mistakes with severe consequences which are currently occurring in like 50% of my games. What the hell is wrong with me.

Hesmyrr Canada5776 Posts October 01 2014 00:49 GMT #723 http://tenhou.net/0/?log=2014100109gm-0029-0000-eb5c868a&tw=0 UGUUUUUUUUUUUUU

29 fps United States5725 Posts October 03 2014 05:44 GMT #724 On October 01 2014 09:49 Hesmyrr wrote: http://tenhou.net/0/?log=2014100109gm-0029-0000-eb5c868a&tw=0 UGUUUUUUUUUUUUU Ouch.... in the very first hand, too.

JSH United States4109 Posts October 03 2014 06:11 GMT #725 I hate Kokushit so much ;_;

spinesheath Germany8679 Posts October 04 2014 19:42 GMT #726 Just had some guy reveal a daisangen in a drawn game, he only had called 1 group. He was waiting on a random wind, too.

Hesmyrr Canada5776 Posts October 14 2014 16:07 GMT #727 http://tenhou.net/0/?log=2014101500gm-0029-0000-982d18a2&tw=3 Well, back to 4 Dan with this game which I affectionately dub "Curse of 7 Sou". Never had such rotten luck with single particular tile before, though to be fair the dealer loss was definitely due to me being overly greedy.

JSH United States4109 Posts October 14 2014 16:24 GMT #728 wow Look who had my winning tiles I riichi 3rd turn by the way

mtvacuum United States979 Posts November 09 2014 23:41 GMT #729 First ever chiihou, happened in East 1, I was just dumbfounded...

JSH United States4109 Posts November 10 2014 00:09 GMT #730 wow~ Now you have to get tenhou Don't forget the delicious riichi button! + Show Spoiler +

Hesmyrr Canada5776 Posts November 10 2014 02:12 GMT #731 Oh wow, that must have been magnificent start for all of your opponents - Yakuman before two of them even had the chance to draw.

Pocom New Zealand30 Posts December 04 2014 10:34 GMT #732 Believe in the heart of the tiles!

spinesheath Germany8679 Posts December 28 2014 19:24 GMT #733 I guess this is what it means to be lucky? http://tenhou.net/0/?log=2014122904gm-0089-0000-75927028&tw=0

Trundle Canada9 Posts January 25 2015 23:54 GMT #734 Hi guys, I'm new to the forum here, and while this is my first post, my intent is not to do a drive-by. I hope to read up on Team Liquid's NA LCS successes in the future. I have opened registrations to the 2015 World Amateur Mahjong League (Season 1): since there are definitely a few good players among you, I was hoping this might pique your interest to participate. Most of the information is on the main website, some of it is on the wiki and we're present on IRC as well. * Main website: http://mahjong-league.com/ * Mahjong wiki: http://arcturus.su/wiki/ * Relevant WAML wiki category: http://arcturus.su/wiki/Category:WAML * IRC: #osamuko on irc.rizon.net Best of luck to all of you.

Benawii United States51 Posts January 26 2015 02:17 GMT #735 Hey Trundle, Thanks for taking the effort to organize the league. I rarely visits Osamuko, so thanks for posting here also. I like the rules/format you have. There's nothing I would want to change, although I do have a few questions: 1. Will the dan ranking and power points ever get reset (e.g., at the start of every 3-month session)? 2. If they are not reset, are the winners determined based on their final cumulative ranking and power points, or only points obtained during that session? 3. How many power points are given for 1st, 2nd, etc. for each hanchan? I hope it's something like +75/+30/0/-105 (last place avoidance) and not +35/+5/-15/-25 plus score differences (aiming for first place). A tip for those who have never used IRC before: it's essentially a public chat room. To join, go to http://www.rizon.net/chat, pick a nickname, put #osamuko as the "channels" and don't worry about "Auth" and "password." P.S. There's someone with a 7-dan ranking on Tenhou? That's awesome! (edited) Just realized it's the same person who posted about reaching 6 dan last year here. Way to go man!

Trundle Canada9 Posts January 26 2015 11:44 GMT #736 Hello Benawii, The point of this league was to provide an environment with controlled variables as much as possible, all while minimizing administrative overhead (because there is a fair amount). As such, it's basic non-ranked lobby rules and scores that apply. 1) Dan points and power levels are earned every season and are added cumulatively. Power levels work with the formula (1000 * #players_beat / (#players - 1)). These points are awarded at the end of a season, with 500 points necessary to earn a 2-dan rating, 1000 more for 3-dan, 2000 more for 4-dan, etc. The point is to show a record of who is strongest in online mahjong in the non-Asian community (although Asian players are also welcome). The next season will calculate a new score to add to previously-earned points. 2) I guess I answered most of that above, but just to be clear: while the above controls the point mechanism, fighting for ranking is what leads to promotions or demotions, in a simple thirds mechanism [promote, stay, demote]. To start, everyone is in Bronze, but there is a strong possibility of forming a Silver division as of Season 2 (so for the summer, officially to be decided by the end of Session 3 of 6). 3) Non-ranked lobby points, so yes, I believe that the net score from an oka-nashi, uma-nashi game would be affected by [+35, +5, -15, -25] (20P oka, 10P-20P uma). The penalties for 4th are lower but if you consistently rank 3rd, you will not end up with a good ranking either. While 4th place avoidance is definitely a good skill to have, the league's goal is not to measure how much non-Asians can play ranked Tenhou lobbies outside Tenhou lobbies. The point of WAML is to show that we are capable to compete following mechanisms very similar to Japanese pro leagues (JPML, NPM Kyoukai, Mu, Saikouisen NPM, etc.), all while compensating for obvious things (geography, timezones, internet, and variable presence).

spinesheath Germany8679 Posts January 26 2015 18:26 GMT #737 Interesting, I didn't expect people from outside of TL to stumble across this thread. While we're on the topic of interesting things, can someone explain this to me? In other news, I recently managed to write my own tenhou.net "client", connect to it and play a match using an AI. Sadly the AI lost. I was so confident in my TsumokiriAi! I also spotted a detail in the messages tenhou.net's server sends to its clients that could possibly be used to deduce information about your opponent's hands...

Benawii United States51 Posts January 26 2015 21:11 GMT #738 Thanks for the explanations, Trundle. Your point about scoring certainly makes sense. It's just that I feel that scoring system that encourages 4th-place avoidance makes the game interesting. With that said, I have never really played using the regular oka/uma system so that might actually be good also. Spines, if you are talking about the "seed", you may want to read this: http://osamuko.com/lets-debunk-some-mahjong-superstitions/ By the way, I have most of the important Tenhou messages figured out, so if you need help with them let me know.

spinesheath Germany8679 Posts January 26 2015 21:51 GMT #739 Nope, it's not the seed. If I had the seed at the start of a match I'd play like those girls in Saki. Tenhou sends you XML nodes in TCP packets. Sometimes there's more than 1 node in a single packet. Usually a discard is immediately followed by a draw in the same packet: <F104/><W/>. But sometimes it's not, even if nobody calls a tile. I don't know yet if this is a reliable way to tell that someone can - or probably more reliably can not - call the current discard. Tenhou most likely screws with those packets a bit, but I don't know how much it does or even can. I have most of the protocol sorted out too. I didn't dig too deep into the <PROF .../>, <RANKING .../>, <LN .../> and <PXR .../> messages yet though.

Benawii United States51 Posts January 26 2015 22:23 GMT #740 I see what you're talking about. Information about whether there is someone who can call the discarded tile is definitely leaked. This can be taken advantage (although perhaps less reliably) even without inspecting the packets since if someone can call then there will be a delay. This is simply the price we have to pay unless we're willing to wait for 5+ seconds every single turn. I do think Tenhou does randomly inserts artificial delay even when no one can call the discarded tile also. The message that's difficult to decode would be the message when someone makes a call, e.g., "<N who="2" m="49167" />". That "m" field encodes the 3/4 tiles in a somewhat complicated way. I had to use a decompiler on the (premium) flash client to learn about this. Thankfully the code I get is easy to read, although I kinda got lazy and gave up when I see the code.

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