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The Emperor's Game. Variant on 10 by 10 board from 19th century Germany. (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
John Ayer wrote on Mon, Aug 11, 2003 12:49 AM UTC:
L. Tressan, or perhaps Tressau, also invented a slightly larger variant,
the Sultan's Game, on this website at
http://www.chessvariants.com/large.dir/sultan.html .

Jose Carrillo wrote on Sun, Jun 15, 2008 03:28 PM UTC:
The Emperors Game is one of the original variants to display some of the 'Modern' principles: Reverse Symmetry and symmetric castling to either flank of the board.

Greg Strong wrote on Thu, Dec 17, 2020 01:08 AM UTC:

I have rewritten most of this page with updated information from Jean-Louis Cazaux's excellent new book A World of Chess, co-authored with Rick Knowlton. The previous version had incorrectly identified the author of a book on chess variants as the game's inventor. Additional historical information has also been added.


Jean-Louis Cazaux wrote on Thu, Dec 17, 2020 11:39 AM UTC:

The name of the German author is Tressau, not Tressan. I know, it's confusing because the original book was written in gothic script and the u and the n are very similar (although slightly different). Here is a u, so Tressau.


Greg Strong wrote on Thu, Dec 17, 2020 03:12 PM UTC in reply to Jean-Louis Cazaux from 11:39 AM:

Thank you for the correction. I have updated both this page and the Sultan's Game page.


H. G. Muller wrote on Tue, May 11, 2021 02:03 PM UTC:
files=10 ranks=10 satellite=emperor graphicsDir=/graphics.dir/alfaeriePNG35/ holdingsType=1 promoZone=1 maxPromote=1 squareSize=35 graphicsType=png lightShade=#FFFFCC startShade=#E8A800 rimColor=#804545 coordColor=#E8A800 borders=0 firstRank=1 useMarkers=1 promoChoice=*C*Q*A*R*B*N castleGap=-1 symmetry=mirror pawn::fmWfceFifmnDifmnH::a2-k2 knight:N:::b1,i1 bishop::::c1,h1 rook::::a1,j1 adjudant::BN:cardinal:g1 queen::::f1 commander::QN:amazon:d1 king::KilO3irO4::e1

The Emperor's Game


Jörg Knappen wrote on Tue, May 11, 2021 05:20 PM UTC:

The new setup is mistaken, the Knights are between the Rooks and the Bishops, and the Bishops are on different colours, compare p. 77 in the book by L. Tressan here: https://books.google.de/books?id=n64UAAAAYAAJ&printsec=frontcover&hl=de&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false


H. G. Muller wrote on Tue, May 11, 2021 05:50 PM UTC in reply to Jörg Knappen from 05:20 PM:

Oops, sorry. I just cloned the diagram for The Sultan's Game and removed the Marshall, without realizing the Sultan's game swaps the a-side N and B compared to their orthodox position. I fixed this now. For the castling I still have to figure out a solution.


Jean-Louis Cazaux wrote on Thu, Dec 2, 2021 06:31 PM UTC:

The rule of castling is not correct as far as the Rook is concerned. When castling, the king moves three squares when castling short and four when castling long. The rook jumps to the immediate square on the other side of the king.

This will be corrected in future editions of A World of Chess, by JL.Cazaux and R.Knowlton.


gmarkov wrote on Sun, Dec 5, 2021 12:41 PM UTC in reply to Jean-Louis Cazaux from Thu Dec 2 06:31 PM:

Indeed. See my comments from October 20 and 21 for the Sultan's game.


Georgi Markov wrote on Sun, Dec 5, 2021 12:55 PM UTC in reply to Jean-Louis Cazaux from Thu Dec 2 06:31 PM:

Indeed. Please see my comments on the Sultan's game page from October 20 and 21.


Georgi Markov wrote on Fri, Oct 14, 2022 09:28 AM UTC:

Please check my paper dealing with the Emperor's Game (and Sultan's): https://sciendo.com/article/10.2478/bgs-2022-0017


🕸Fergus Duniho wrote on Tue, Mar 14, 2023 06:53 PM UTC:

Based on the information provided on this page, the inventor is misidentified in ChessV.


Jörg Knappen wrote on Wed, Mar 15, 2023 10:16 AM UTC:

The name of the author is still kind of a mystery. I think the author is best identified as "L. Tressan" (Ludwig is obviously an interpolation and not really sourced). In the comments on Sultan's game (Sultanspiel) we had a longer discussion on the mysterious "L. Tressan".

Also, the title of Tressan's book contains a typo, it should read "seine" instead of "siene".


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