World Amateur Go Championship 2012

Laman · **#21**

South Korean 4d: i've heard that Koreans often declare their rank as 4d. and i can't think of a sane criterion that would choose a 'real' 4d from their rich supply of extremely strong amateurs.

North Korean: he must be pretty strong, in the second round he defeated Pal Balogh 6d from Hungaria. North Korea has no pros, so they can send their strongest player instead of just their strongest amateur (compared to CJK)

New Zealand - Czechia (*.sgf)
Czechia - Germany (*.sgf)

dankenzon · **#22**

Here is the current state of the tournament

http://ranka.intergofed.org/?page_id=7477

And if somebody can tell me how Argentina is going to play against... Argentina!! I would thanks!

dankenzon · **#23**

Here is how North Korea won against Hungary

dankenzon · **#24**

Finlandia beats UK

dankenzon · **#25**

Singapur can't stand the Chinese power!

snorri · **#26**

dankenzon wrote:

Here is how North Korea won against Hungary

Wow. Large avalanche played out a lot. Thanks for sharing!

dankenzon · **#27**

Here comes games from the third round:

China Macau 0 - China 1

Japan can't stand South Korea. The korean fuseki defined the curse of the game!

North Korea player wins very quickly!!

And Rumany wins! very curios the situation in the upper left

HermanHiddema · **#28**

So, because the official published results are, IMO, hard to read, I've converted them to a more traditional format, with players sorted by score and SOS, and results based on the opponents current place.

Here's the standings after round 4 (with the pairing for round 5 already in there)

Code:

1  QIAO Zhijian                  China                4  10  24+ 11+ 22+  9+  2? 
2  CHEN Cheng-Hsun               Chinese Taipei       4  10  45+ 10+  8+  5+  1? 
3  RI Kwang Hyok                 DPR Korea            4   8  54+  6+ 20+  7+  4? 
4  Hyunjoon LEE                  Korea                4   6  47+ 40+ 18+ 19+  3? 
5  Lukas PODPERA                 Czech Republic       3  12  17+ 16+ 19+  2- 18? 
6  Pal BALOGH                    Hungary              3  10  32+  3- 27+ 21+ 15? 
7  Gheorghe Cornel BURZO         Romania              3  10  27+ 43+ 12+  3- 11? 
8  Juri KURONEN                  Finland              3  10  51+ 13+  2- 25+  9? 
9  CHAN Chi Hin                  Hong Kong – China    3  10  33+ 25+ 23+  1-  8? 
ZHOU Yuan                     USA                  3  10  28+  2- 37+ 18+ 13? 
LOU Yuxiang                   Singapore            3   9  44+  1- 24+ 22+  7? 
LISY Pavol                    Slovakia             3   8  21+ 41+  7- 20+ 14? 
Samuel AITKEN                 UK                   3   8  46+  8- 28+ 36+ 10? 
Alexander EERBEEK             Netherlands          3   7  34+ 18- 48+ 31+ 12? 
Jannik Lundgaard RASMUSSEN    Denmark              3   7  35+ 22- 42+ 32+  6? 
Benjamin TEUBER               Germany              3   7  53+  5- 29+ 26+ 17? 
LI LONGYANG                   New Zealand          3   7   5- 53+ 30+ 23+ 16? 
Seizoh NAKAZONO               Japan                2  12  26+ 14+  4- 10-  5? 
MATOH Leon                    Slovenia             2  11  38+ 30+  5-  4- 47? 
Lothar SPIEGEL                Austria              2  10  31+ 42+  3- 12- 34? 
Rémi CAMPAGNIE                France               2  10  12- 39+ 35+  6- 32? 
CHAN Kouk Wang                Macau – China        2  10  55+ 15+  1- 11- 27? 
LI Xianyu                     Canada               2  10  36+ 37+  9- 17- 33? 
Carlo METTA                   Italy                2   9   1- 44+ 11- 43+ 25? 
DO Khanh Binh                 Vietnam              2   9  49+  9- 33+  8- 24? 
SAECHEN Panjawat              Thailand             2   8  18- 34+ 40+ 16- 31? 
ZAID Waqi                     Malaysia             2   8   7- 52+  6- 44+ 22? 
Pål Harald SANNES             Norway               2   8  10- 45+ 13- 40+ 36? 
Martin LI                     Sweden               2   8  30- 38+ 16- 50+ 37? 
Eduardo LOPEZ HERRERO         Argentina            2   8  29+ 19- 17- 49+ 38? 
Zoran MUTABZIJA               Croatia              2   7  20- 50+ 41+ 14- 26? 
Andreas M. GÖTZFRIED          Luxembourg           2   7   6- 54+ 43+ 15- 21? 
Félicien MAZILLE              Switzerland          2   7   9- 49+ 25- 46+ 23? 
Pau CARLES RAMON              Spain                2   6  14- 26- 47+ 53+ 20? 
Aliaksandr SUPONEU            Belarus              2   6  15- 55+ 21- 41+ 39? 
François GONZE                Belgium              2   6  23- 56+ 46+ 13- 28? 
Dragan PAUNIC                 Bosnia-Herzegovina   2   6  56+ 23- 10- 48+ 29? 
Jigor POPOV                   Russia               2   5  19- 29- 53+ 45+ 30? 
John LEUNER                   South Africa         2   4  41- 21- 54+ 42+ 35? 
Mijodrag STANKOVIC            Serbia               1   9  48+  4- 26- 28- 41? 
Colin MACSWEENY               Ireland              1   9  39+ 12- 31- 35- 40? 
David BOFINGER                Australia            1   8  50+ 20- 15- 39- 48? 
Daniele TOME                  Portugal             1   8  52+  7- 32- 24- 50? 
Demetris REGGINOS             Cyprus               1   8  11- 24- 52+ 27- 51? 
ACUNA SILVA Carlos Andre      Colombia             1   8   2- 28- 56+ 38- 46? 
Salvador LARIOS SANCHEZ       Mexico               1   8  13- 51+ 36- 33- 45? 
Nadeen PREM                   Brazil               1   7   4- 48- 34- 54+ 19? 
Leslie PEREZ CACERES          Chile                1   7  40- 47+ 14- 37- 42? 
Kerek KARAERKEK               Turkey               1   7  25- 33- 51+ 30- 52? 
Bayarjargal SHARTOLOGOI       Mongolia             1   5  42- 31- 55+ 29- 43? 
Luis CAJIAO                   Costa Rica           1   5   8- 46- 49- 55+ 44? 
Bahadur Bayram TAHIRBAYOV     Azerbaijan           1   4  43- 27- 44- 56+ 49? 
Albertas PETRAUSKA            Lithuania            0  10  16- 17- 38- 34- 56? 
FANG Xiaoyan                  China (2)            0   9   3- 32- 39- 47- 55? 
Ismail JA                     Morocco              0   6  22- 35- 50- 51- 54? 
Ivan IVANOV                   Bulgaria             0   6  37- 36- 45- 52- 53? 

If anyone notices any errors, please let me know

EDIT: Python conversion code I used:

Code:

from __future__ import print_function
import sys
import codecs

def convert_result(filename):
   """File should be tab separated as: 
      Place Country Name Results...
   """
   players = {}
   with codecs.open(filename, 'r', 'utf-8') as file:
      for line in file:
         values = [field.strip() for field in line.strip().split("\t")]
         player = {
            'id'      : int(values[0]),
            'name'    : values[2],
            'country' : values[1],
            'results' : map(None, (int(opponent) if opponent else  0 for opponent in values[3::2]),
                                  (int(totalpts) if totalpts else -1 for totalpts in values[4::2])
                        ), # opponent/cumulative score pairs
            # map(None) works like zip, but pads with None instead of truncating to shortest sequence
            'score': 0
         }
         players[player['id']] = player

   # sanity check to see if the pairings are valid
   rounds = zip(*[p['results'] for p in players.values()])
   for round, results in enumerate(rounds):
      opponents = [x[0] for x in results]
      if len(opponents) != len(set(opponents)):
         print("Duplicate opponents in round {}".format(round))
         for player in set(opponents):
            if opponents.count(player) > 1:
               print("Player {} was paired {} times".format(player, opponents.count(player)))
         for player in set(range(1, len(players)+1)) - set(opponents):
            print("Player {} is unpaired".format(player))
         exit()

   # convert cumulative scores into results per round
   for player in players.values():
      prevtotal = 0
      for round, (opponent, totalpts) in enumerate(player['results']):
         if totalpts > -1: # this round has been played
            if totalpts > prevtotal: # the player won
               prevtotal = totalpts
               player['results'][round] = (opponent, '+')
               player['score'] += 1
            elif totalpts == prevtotal: # the player lost
               player['results'][round] = (opponent, '-')
            else:
               exit() # error, the cumulative score got lower
         else: # this round has not been played yet
            player['results'][round] = (opponent,'?')

   # calculate SOS, SODOS, SOSOS
   for player in players.values():
      player['sos']   = sum(players[opponent]['score'] for opponent, result in player['results'] if opponent and result != '?')
      player['sodos'] = sum(players[opponent]['score'] for opponent, result in player['results'] if opponent and result == '+')
   for player in players.values():
      player['sosos'] = sum(players[opponent]['sos'] for opponent, result in player['results'] if opponent and result != '?')

   # sort players by Score, SOS, SOSOS, then add the position to their data
   sorted_players = sorted(players.values(), key=lambda player: (player['score'], player['sos'], player['sosos']), reverse=True)
   for pos, player in enumerate(sorted_players):
      player['pos'] = pos + 1

   # print players
   print(u"Pl {:30s}{:20s} Pt   SOS SOSOS      ".format("Name", "Country"))
   for player in sorted_players:
      print(u"{pos:2d} {name:30s}{country:20s} {score:2d}   {sos:3d} {sosos:5d}   ".format(**player), end='')
      for opponent, result in player['results']:
         if opponent:
            print(" {:3d}{}".format(players[opponent]['pos'] if opponent in players else 0, result), end='')
      print() #EOL


if __name__ == "__main__":
   if len(sys.argv) < 2:
      print("Usage {} <resultfile>".format(sys.argv[0]))
   else:
      convert_result(sys.argv[1])

Works based on a tab separated text file with copy-pasted data from ranka's results page. Assumes UTF-8, if the editor you're using uses another encoding, change it in the codecs.open line.

This version also with SOSOS goodness

hyperpape · **#29**

Quite pleased to see Yuan Zhou win against Japan.

snorri · **#30**

HermanHiddema wrote:

So, because the official published results are, IMO, hard to read, I've converted them to a more traditional format, with players sorted by score and SOS, and results based on the opponents current place.

I did something similar in Excel and my numbers match with yours, but your table is nicer to read. Thanks!

snorri · **#31**

hyperpape wrote:

Quite pleased to see Yuan Zhou win against Japan.

Yes. It would be interesting to see that game. Is that the first big upset in this tournament?

HKA · **#32**

The Japan US game is up on the AGA homepage with pro commentary.

dankenzon · **#33**

I don't think the victory of the US representative against Japan one is the biggest upset.

For those who knows the background of the USA player he is able of that, and also seeing that the japanese get in troubles just in the two previous rounds: with Thailand (where he put himself in some not good shapes) and against South Korea (the korean guy put him behind from the very beginning), the possibility of beating Japan was clear.

In the paper, the biggest upset is the victory of the Chile player against Brasil. Check it out

NeoNemesis · **#34**

To me, Japan's loss to the US was definitely the biggest upset. Japan had that game won for sure and he was leading through the whole game, even though US played well. As much as I'd like the US to do well as an American myself, something just doesn't feel right to me about a game so close to the end, so far in points and yet, the obvious winner lost on time.

I have been to a tournament before a long time ago where the game was very close but the clock was running low for my opponent and he started having 1 hand on the clock and 1 playing moves very quickly so he doesn't run out of time. I knew I'd feel dirty if I won on time or due to my opponent rushing the endgame so I just told him to not worry about time and just play it out normally. Iirc, I lost by a little but at least I felt proud of my loss instead of dirty for my victory. Call me naive, but it's a shame to me as an American that our representative did not feel the same way, although it is not to be expected. At the very least, I would have somehow warned my opponent about the time.

jts · **#35**

HKA wrote:

The Japan US game is up on the AGA homepage with pro commentary.

For the lazy:

Javaness2 · **#36**

NeoNemesis wrote:

I have been to a tournament before a long time ago where the game was very close but the clock was running low for my opponent and he started having 1 hand on the clock and 1 playing moves very quickly so he doesn't run out of time.

If my opponent is breaking the rules, I don't really mind if he loses. That said, the overtime wasn't exactly dangerous, 30 seconds 3 times. If Japan lost, I have to say, just judging from the end position, it's his own fault. There is little left to care about on the board?

NeoNemesis · **#37**

Javaness2 wrote:

NeoNemesis wrote:

I have been to a tournament before a long time ago where the game was very close but the clock was running low for my opponent and he started having 1 hand on the clock and 1 playing moves very quickly so he doesn't run out of time.

If my opponent is breaking the rules, I don't really mind if he loses. That said, the overtime wasn't exactly dangerous, 30 seconds 3 times. If Japan lost, I have to say, just judging from the end position, it's his own fault. There is little left to care about on the board?

It's a good point, but since the game is almost over, why not just finish it. The Japanese guy is an older gentleman. He may be less familiar or forgetful when it comes to clocks. I don't think he was deliberately breaking the rules. My opponents in real life tournaments often forget to press their clocks. Sometimes even I do. Of course, I wasn't there, so it's hard to say what actually happened in regards to time. What's unquestionable is what is on the board. I think anyone with a basic knowledge of go can win that game in the Japanese player's position.

I don't know and it's completely the American's right to take the victory. I just believe it's good sportsmanship to finish a game that's almost done.

Uberdude · **#38**

NeoNemesis wrote:

it's completely the American's right to take the victory.

He may not have been the one to make this decision, it's just following rules. Maybe this was one of the top games with a referee/recorder so when Nakazono lost on time Zhou didn't even have to claim the win on time, but someone else declared him the winner. Or maybe he did warn him, or maybe he didn't because to tell a Japanese amateur champion how to use a clock would be disrespectful, of course he knows!

There was a British tournament a few years ago where someone lost on time, but his opponent wanted to carry on. The guy who lost on time then won on the board and that was recorded as the result (and he won the tournament later). It caused quite a kerfuffle.

If Zhou turns round and says "No, I refuse to take the time win!", he may upset other people affected by the result, SOS etc, as well as not following the rules of the tournament.

NeoNemesis wrote:

I just believe it's good sportsmanship to finish a game that's almost done.

Seems to me Zhou wanted to finish the game (otherwise he could have resigned if he was clearly behind), but his opponent prevented this from happening by playing too slowly!

Basically, if your opponent fails to play his move in his time then we can feel sorry for him, but to question the sportsmanship of the winner (unless he's doing obvious nonsense invading secure territory etc.) is unfair.

P.S. I lose tournament games on time more than most people.

NeoNemesis · **#39**

According to http://ranka.intergofed.org/, it seems like a slight clock malfunction which confused both players until the clock ran out of time. My apologies to the American representative. I wonder how often this happens in the WAGC. They should use better clocks if this happens too often.

Uberdude · **#40**

Ouch, that's unfortunate.

Just looked at China Macau game, it's hard to believe black neglected to f16 in sente before living at b16, that shape is basically a joseki (when b has ladder which he has, and I don't see something like j9 being a good enough ladder breaker).

World Amateur Go Championship 2012

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