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Thread: The thoughts of Replicator Technician Onsott (Kriegspiel). T'Var keep out!

  1. #1
    Oliphaunt
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    Default The thoughts of Replicator Technician Onsott (Kriegspiel). T'Var keep out!

    Gosh.

    Now what have I got myself into? And in front of the whole rec room too. What am I doing sitting down against a Vulcan?

    Oh well, what's the worst that can happen? Mate in two. But we can discount that since I'd have to actively help out for that to happen, and even then Dr T'Var would have to guess what I'd done. Mate in four? Yes, that's a possibility I need to guard against since the Doctor could theoretically manage that before I had a clue what was going on.

    Well, that's doable, and what's more the defence against it fits into my actual plans. Last game Dr T'Var kept her Queen in the rear for a long time, but she could vary her game this time... or she could deliberately not vary it figuring that I would deduce she would, and so on. Logically, she would make a random decision that I cannot predict. Anyway, that doesn't matter, I have to play what I know about and not try to get into a logical guessing-game with a Vulcan.

    All right. Start patiently and prepare an advance in force when I'm ready. Here goes.
    Last edited by Malacandra; 16 May 2012 at 09:06 AM.
    Librarians rule, Oook

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    A lot of normal chess principles simply aren't going to apply in Kriegspiel because I can't see the enemy. I have to avoid speculative moves, such as, say, Black's Queen's Bishop running down onto the d1-h5 diagonal and then pouncing on d1, since I've moved my e-pawn. Now I can't fall for the "Scholar's Mate" since I've blocked off the diagonal, but I need to beware of threats on f2 - on the other hand, the soonest a supported attack can arrive there now is move 5, allowing for two moves by Black's King's Knight, one by her e-pawn, and two by her Queen. I need to be ready for a possible attack on c2 by a minor piece too - a Knight taking on c2 with support would inconvenience me a lot. Well, I've time to prepare for that. For now I have to protect as much as possible and gradually occupy space, I think.
    Librarians rule, Oook

  3. #3
    Member Elendil's Heir's avatar
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    How often have you played this way before, Mala?

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    I have not played Kriegspiel since the 1970s, when I played it a few times at school.
    Librarians rule, Oook

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    Administrator CatInASuit's avatar
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    Would you like a regular update of your board position in this thread?
    In the land of the blind, the one-arm man is king.

  6. #6
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    Thank you, that would be helpful. I can maintain one for myself but that doesn't help unless I'm on the one computer I'm using for the purpose.

    Onsott's demeanour in the game thread when he was about to move too soon reflects the fact that I knew there was no possible information for me from Black's first move, but Black did not know that I knew that, and if Black knew that I knew that then she could deduce that I did not move a pawn to the fourth rank on my first turn.
    Librarians rule, Oook

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    Member Elendil's Heir's avatar
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    I knew that you know that I knew that you'd post that.

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    Oliphaunt
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    And now the Captain's come to watch!

    Continuing with the plan: develop steadily, guard the weaknesses, prepare an advance once I am in a position to support it. The King can be a useful piece in Kriegspiel since I am told when he is under attack and the opponent cannot necessarily exploit forks or skewers against invisible pieces - though I have to make sure I do not blunder into a mate.
    Librarians rule, Oook

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    No Black pawns charging into my territory yet, then. Just as well as I'm not really ready for them. Develop my other Knight and then everything in my position is protected for now - there is no easy route through to either of my Bishop's pawns, the vulnerable early spots - so I can prepare a centre advance.
    Librarians rule, Oook

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    I want to deploy my Bishop now, but I don't want to risk a long shot by one of T'Var's Bishops down the long diagonal snipping off my Rook. On the other hand, there is a theoretical risk that I'm facing down a mate on f2 if Black has played e5(or e6), Nf6, Ng5 (not Ne5 or I would know I have a pawn capture) and Qf6 (or Qh4). There's a logical counter that will either block off a Queen on f6 or reveal that there is one on h4, and while it leaves e6 undefended I can probably assume that T'Var will not guess that it's OK for her to take there.

    It's also entirely possible that I'm starting at shadows, but one must do something.
    Librarians rule, Oook

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    In the land of the blind, the one-arm man is king.

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    At the moment I look bullet proof. I shall prepare an advance to e4 and see if I can lure my opponent into an ambush there - I mean to have the square defended with two pawns, Bishop and Knight at least, and I could swing a Rook over to e1 later. Meanwhile I can safely advance my King a little as he has an escape route if things get hairy - he can retreat to e1 or g1 in case of trouble, and T'Var can't reasonably attack both for some time to come. Castling is largely irrelevant in Kriegspiel, I think. With my King on f2 I will have e3 covered - not all that well, but against a random incursion which anyway I view as unlikely for now - and what's more when I get around to playing e3-e4 I will learn if there is a line-piece on the g1-a7 diagonal since I will be told "You may not" if I am self-checking.

    Of course my planned ambush may hit nothing but fresh air, in which case I'll have to prepare a fresh one. But that's in the nature of the game. Meanwhile, should I be told in the near future that I have a pawn capture available and am in check by a Knight, I shall know where to find the offending piece.
    Librarians rule, Oook

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    All quiet, so I continue with the plan. I have f3 twice guarded after the next so need not fear any cheap shots there, and I will soon have more firepower on it. Time to develop my Bishop to the long diagonal.
    Librarians rule, Oook

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    Still all quiet, so I carry on with the plan.
    Librarians rule, Oook

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    This hasn't caused anything dramatic to happen, so I need to prepare a further advance. I'm more than willing to keep probing with my King, but I want to support the Bishop on g2 just in case a Black Bishop wanders in there. Let's do that.
    Librarians rule, Oook

  16. #16
    Member Elendil's Heir's avatar
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    No hints, but I like what you're doing so far.

  17. #17
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    OOC: As long as you understand that I'm making this strategy up as I go along.
    Librarians rule, Oook

  18. #18
    Member Elendil's Heir's avatar
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    Uh oh. I did too....

  19. #19
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    OOC: Perhaps I am making it up better
    Librarians rule, Oook

  20. #20
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    I need to continue with my plan - no point spineless changing the strategy now. I'll have to shuffle my Queenside around a bit over the next few moves, but I'll advance the King first... if I can.
    Librarians rule, Oook

  21. #21
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    Updated White Board

    In the land of the blind, the one-arm man is king.

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    Still all is quiet, so I continue with my plan of advancing the centre pawns with all the support I can bring to bear while keeping everything mutually protected and my pieces out of the way of Black pawn stabs.
    Librarians rule, Oook

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    Updated White Board

    In the land of the blind, the one-arm man is king.

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    Probably there is a Black pawn on e5 (it could be on c5); it's possible that Black just moved something else to where it could be pawn-captured as well. But for now I will assume the pawn on e5 and bring more force to bear.
    Librarians rule, Oook

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    Updated White Board after #17

    In the land of the blind, the one-arm man is king.

  26. #26
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    I cannot bring more pawns to bear on e5 so I will try a capture there. I can easily open the a1-h8 diagonal for the Bishop and play Nf3 so if T'Var takes twice on e5 I can quickly act against the supposed pawn that will be there.
    Librarians rule, Oook

  27. #27
    Member Elendil's Heir's avatar
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    What's your thinking in getting your king out so far?

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    I'm unlikely to be mated by chance, and meanwhile I stand to get information about where enemy pieces are. For instance, at the moment it would be interesting to be told "White has a pawn capture available. White is in check by a Knight" Also, the King can do his share of the heavy lifting. He's slightly stronger than a minor piece in his own right.

    I'll leave that pawn capture on the board for now and reposition that Knight. I have plenty of cover for the d4 pawn if T'Var takes. Given the slow pace of the opening she might well have prepared a bomb on e5 in similar fashion to what I was doing.
    Librarians rule, Oook

  29. #29
    Member Elendil's Heir's avatar
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    I see. Thanks.

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    I'm deeply suspicious that Black's e-pawn is overprotected and I don't stand to gain by taking again. Instead I'll continue to expand on the queenside.
    Librarians rule, Oook

  31. #31
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    Hmm, Black still has a pawn capture. I can live with that if it's on d5 but it would be a slight blow if it was on c4! Well, I'll soon find out.
    Librarians rule, Oook

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    Redeploying and directing my forces against c6 now. If I have the chance to take there with a pawn I am morally certain Black is defending it with only the b-pawn at most.
    Librarians rule, Oook

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    Updated board as of #23

    In the land of the blind, the one-arm man is king.

  34. #34
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    En route to c6 I tried taking on c5 in case a piece had turned up there. Of course Black might have played his c-pawn there by the time I got there... we're still shadow boxing.
    Librarians rule, Oook

  35. #35
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    Interesting. Something has taken on c5, but not a diagonal-piece. It may have been Black's b-pawn and there could now be a blocked pawn formation on the c-d-e files. I'll try the likeliest locations for a Black piece and if nothing comes of that... I'll have to think again.
    Librarians rule, Oook

  36. #36
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    Aaaand there's interesting. Probably there is a Black pawn on f5, then, and if so it must surely be protected by one on g6 unless T'Var has taken leave of her senses. From which I deduce that when I took on e5 earlier, the d-pawn recaptured and so Black now has an isolated pawn on c5 assuming that the b-pawn recaptured when I took. That would also mean there's no pawn protecting the one on e5.

    At the moment I don't stand to profit by taking on f5. But I can maybe improve on that a little...
    Librarians rule, Oook

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    Updated board as of #26

    In the land of the blind, the one-arm man is king.

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    Aha. Chances are that Black just moved a pawn from f5 to f4 and I am in check by a protected pawn. It's also possible that T'Var has just played ...Bh6+. I lose nothing by attempting Kf4 but I can certainly expect that this will not work. I can also attempt Kd4... same comment really. Otherwise I think probably Kf3 to discourage any further incursion on the K-side.

    Assuming material is still level - and I certainly can't be worse off at the moment - I think Black has pawns on the e, f, g and h files. Could imply that I have a passed pawn on d5 but it can't profit me yet. Right, off to get out of check.
    Librarians rule, Oook

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    Oh, Black's no longer got a pawn capture. That more or less proves that the Doctor did just play ...f4, and I strongly suspect it's protected by one on e5. However, there's nowhere for it to go at the moment, any more than there is for my pawn on d5.
    Librarians rule, Oook

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    I think I have nothing more to fear on the kingside for now, and I need to see if I can get some elbow room on the other wing.
    Librarians rule, Oook

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    Hmm. Black's h-pawn may be attempting an end run, but that will be harmless. I'll see if I have any captures on the other wing.
    Librarians rule, Oook

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    Updated White Board as of #31

    In the land of the blind, the one-arm man is king.

  43. #43
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    My pawn structure's a little dented now but it wasn't in vain, I hope. I think there is a Black pawn-couple on e5 and f4 so I will steer clear of d4, f4 and g3 for now. I also suspect there is a Black pawn on c5 supported by pieces and if so I may be able to engineer another little scrap there to my advantage. Nothing's free of risk though!
    Librarians rule, Oook

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    And talking of risk, Black snaffles a pawn on a4 - not with a pawn as there was no prior announcement. I think I just continue with the plan here.
    Librarians rule, Oook

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    Hmm, Black's just taken on e4 with a Knight - opportunely, I can take back with one...
    Librarians rule, Oook

  46. #46
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    From what the dog did in the night-time, I'm speculating that a Black piece just went to c5, possibly in the hope of recapturing there, and in that case it's fortunate I'm still in a position to take there - I might even catch the Queen, and at worst I'd get a Bishop for my Knight. However, there's no need to go off half-cocked as there might be something on b6 instead and again it could be the Queen. I'll try blocking on c5 with a pawn and if that's illegal I will have some more information.
    Librarians rule, Oook

  47. #47
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    So there was something -- it must have been a piece -- on c5, and I've taken it. I must be slightly ahead on material at least since we have been making even trades up to the point where Black took a pawn of mine on a4 and I could not recapture, then took a pawn on e4 (and not with a pawn) and I captured twice, and has not recaptured on e4. What's more, if Black now found a recapture on e4 then I would be able to take with my Knight. Turning that possible edge into a win though, that's another story.

    At the moment my Knight is undefended, and if I retire it then my Bishop on e4 is undefended. Mind you, with a little luck T'Var might think I took on e4 and c5 with the same Knight which would leave e4 unoccupied. But she still has a pawn on e5 to test that hypothesis. I don't know what she is able to bring to bear against either square but the best for me now would be if she had e4 covered once more and took there, when I could recapture with my Knight and so get it away from c5. Have to wait and see.
    Librarians rule, Oook

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    Would you like an updated board?
    In the land of the blind, the one-arm man is king.

  49. #49
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    Yes, please.
    Librarians rule, Oook

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    Latest White Board

    In the land of the blind, the one-arm man is king.

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