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The World vs. Twixtbot analysis page 3

Public forum discussion.

#3 · MisterCat

29 Jan 2020

The team of human beings has triumphed over the machine!  I will say more, later.

(meow)

?

#4 · Alan Hensel

29 Jan 2020

Someday, robots will rule the world. BUT NOT TODAY!

Way to go, Team!

#5 · David J Bush

29 Jan 2020

The bot made a couple of unusual moves in the opening. We defeated it by making super solid moves, nothing flashy.

I hope a stronger version will be made available. How about spending 12 hours per move?

#6 · TwixtBot

29 Jan 2020

There's a chance something stupid like running out of memory might happen, but we can certainly give it a try if people want.  It's easy to change the "50,000" to "7,000,000" and see what happens.

#7 · David J Bush

29 Jan 2020

Well maybe you could start a different account and call it SlowTwixt? Not everyone agrees with me. Thanks for your trouble. I hope you will still be able to use your computer!

#11 · CosimoC

29 Jan 2020

Well done, boys! I feel (and I can only write "feel") that TwixtBot is weaker in the opening. When he finds a tactical weakness, there is no hope for anyone. As a one cent advice, it can be tried to modify the 50,000 figure to, for example, 500,000 only for the first moves, using some more time for the opening. For the remanining part of the game, 50,000 is enough.

#12 · Alan Hensel

29 Jan 2020

By the numbers:

28 days, 2 hours, 21 minutes.

37 pegs.

0 links in the first 16 pegs (43% of the game).

20 links in the 21 pegs that followed, 14 by humans and 6 by the bot.

20 decisions made by humans, starting with the decision of whether to let the bot go first.

695 comments.

10 participants.

Participation by percentage of comments:

22.7% nie_wiesz (Maciej)

21.7% MisterCat

19.6% twixter (David Bush)

18.0% spd_iv (Michal)

  9.0% Florian Jamain

  5.8% Alan Hensel

  2.7% bob440

% BonyJordan

% DrJochum

% ypercube

#13 · MisterCat

30 Jan 2020

Thanks for those stats, Alan.  Interesting, but 'percentage of comments' might be modified to 'percentage of GOOD comments'; then, I'll drop right to the cellar!  LOL

(meow)

#14 · Florian Jamain

30 Jan 2020

100% agreed with David, we did not play anything "flashy" just very solid moves in the opening, it is enough to take the advantage again the Bot, in the very first moves he is not playing really well so we took our time there to secure an advantage and then just no blunder and it was a win.

#15 · Carroll

30 Jan 2020

Congrats @humans, @TwitBot, could you please provide figures, statistics or logs about the thinking process and when did the bot know that it was behind?

#16 · Maciej Celuch

31 Jan 2020

Good job guys! We've proved that we are more than just a numbers (at least more than "50000") ;-)

#17 · DrJochum

1 Feb 2020

This experiment was great fun!

Thank you to all who participated and especially to MisterCat for initiating it!!

#18 · P_Guz

1 Feb 2020

Even I have not participated actively I really enjoyed just looking at this game. As David wrote, the strategy was very really solid, nevertheless some moves were far from obvious, not cliche ones. Building the left side was very impressive for me. In general humans controlled the game. After every human's move there was a big question: did the bot find out some vulnerability or did he surprise playing some unexpected move. But he did not.

Congrats for the win and for the style!

#19 · MisterCat

1 Feb 2020

Hey all - have a look-see at the official game link over in commentator!  BonyJordan has provided some very interesting data - revealing what Twixtbot thought was the best line of play at each move, and also it's numerical analysis of the position.  At a glance, it seems that it ALWAYS thought it was behind (negative evaluations throughout), but when the evaluation got below -.85 (as explained by Jordan), it finally resigned.

Were we REALLY winning after only one move?  Or two?  This, to me, is hard to understand, although that opinion WAS given by some of The Team - especially by Florian, who insisted that Twixtbot plays poorly in the opening, so that the key is to take advantage of weak opening play and right at the start, and then follow through with powerful moves to maintain and increase that advantage - never letting go.

You can have a look here:

http://twixt-commentator.duckdns.org/game/2140447

the ACTUAL game remains as above: Game # 2140447

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#20 · MisterCat

1 Feb 2020

DrJochum - thanks for the kind nod.

David J Bush - it appears that you got your wish; see the  new player 'TwixtbotSLOW'.  If this is the 7,000,000 version, may Heaven help us all!

Twixtbot vs. Twixtbotslow

(meow)

#21 · TwixtBot

2 Feb 2020

It's only 2 million ; I run out of memory at 7 million.

#22 · Tasmanian Devil

2 Feb 2020

I'm curious about 29. g12, after which black resigns. Does it help o12 at all? Admittedly I haven't spent much time studying the position.

#23 · MisterCat

3 Feb 2020

TD, hole O12  is already taken.  You meant something else.  I added a possible winning line for TBSlow at Twixt Commentator here:

http://twixt-commentator.duckdns.org/game/2145064

Note that TBSlow has already defeated TB in their first encounter; I expect more results of this type.

mc

#24 · Tasmanian Devil

3 Feb 2020

No, I mean does it help me peg at o12, I.e.,does it serve a double purpose, in view of the fact that black promptly resigned? If l9 etc works without the exchange g12-f11, it looks redundant.