Championship Protocols

<2005.09.19 updated>

• Outline
• About NNGS
• Sample Programs

Outline

LAN cables (RJ-45 connector) will be set up on each table in the hall of the championship. We will provide more detailed information (ex. configuration of network) in the near future.

We use the NNGS protocol on TCP/IP Network. However the game ends procedure will be simplified.

NNGS match procedure:

• Players login NNGS.
• One Player(ex. login name: playera) sends message of match request to the server of NNGS.(For example, "match playerb B 19 40 0": playera is Black, 19 x 19 board, time limit is 40 minutes, no byo-yomi)
• Playerb replies message to server.("match playera W 19 40 0")
• The game starts.
• Players send the cordinates of their move to NNGS on their turn.(ex. "d3")
• One player sends command "pass".
• Another sends "pass".
• The players send the cordinate of dead stones. (If one stone is judged "dead", other stones of same string are also removed)
• After all dead groups are removed, if the player accepts the result, the players send the message "done".
• If both players send "done", the game ends.

Because judgments of both players sometimes do not coincide with each other, we have simplifed the procedure of calculating the winner.

• One program sends command "pass".
• Another sends "pass".
• Both programs stop the game.(Please ignore the Server response)
• Each program sends command "done".
• Each program show the result on their own monitor.(The board information, dead stones, and the counting results)
• Operators compare these results of both programs manually.(Same as the RS232C match)
• When the results do not coincide, the referee will judge the results.

Because Operators compare the results of both programs manually at the end of the game, PCs have to be moved to the seat next to the opponent's PC each game.

Below find a server that we have prepared for scheduled participants to test their programs.

nngs.computer-go.jp
Port number: 9696

This is the NNGS version 1.1.18. The source code is dsitributed on http://sourceforge.net/projects/nngs/

About NNGS

NNGS is the Server system for the communication match on the TCP/IP network. The server's port number that is used for communication is 9696.

The player can access the server by telnet command. Please try to access our test server.

telnet nngs.computer-go.jp 9696

Login:

Please input any name you like in the Login field. You can login as a guest user.

After login in , you can send match requests to other users.

We put the sample records of the game. (telnet logs)

• Two users (playera and playerb, both being are guest users) login the server.
• Playera sends a match request to playerb.("match playerb B 19 40 0")
• This command means playera is Black, 19 x 19 board, time limit is 40 minutes, no byo-yomi.

Fixed-width font is better to see these logs. players will send only red colored characters to the server. The rest is sent from the server.

The lower left will be the starting point of cordinates. Alphabetical letters "A" to "T" (not including "I") will be used for horizontal axis and numbers "1" to "19" for vertical axis.

Playera record
Playerb record

After login, if the player uses the command "set client TRUE", the communication log will be simplified. This is the compatible mode for IGS (Another server system). We also put logs in simple format. (Because we input these two style game records separately, the consumption of time data is not same.)

Records of playera that used the commands "set client TRUE".
Records of playerb that used the commands "set client TRUE".

In these records, the players have completely finished the game. (After sending two "pass" commands, players will send information of dead stones, and agreed on the match result) In this year's tournament, our minimum requirement is that the program can communicate with the server correctly until both players send the "pass" commands followed by the "done" commands.

Sample Programs

1. The Sample code to support NNGS(for Windows)

Mr. Hiroshi Yamashita, who is the author of "AYA" provides the sample code to support NNGS protocols.(This is for Windows)

http://www32.ocn.ne.jp/~yss/cgfgoban.html

2. The bridge program from GMP to NNGS

The gmp2nngs.exe is a bridge program from GMP(Go Modem Protocol: Communication match protocol of the RS232C) to NNGS. The program which supports GMP can communicate with NNGS by using this bridge program. It is used in the following style.

PC1(Go program) --RS232C-- PC2(gmp2nngs.exe) --Network-- NNGS

http://www.computer-go.jp/gifu2005/regulations/files/gmp2nngs.zip

We will inform about other samples later.