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Topic: Selfmate

In the News (Tue 19 Mar 19)

Selfmates, particularly of the shorter variety, tend to be heavy, as both kings need to be controlled, but are popular with solvers because their solutions are clear-cut.
Dual mates, which are considered a defect in directmates, are perfectly acceptable in selfmates, because White is the side fulfilling the stipulation.
A reflexmate is a selfmate with the added condition that either side must mate on the move if possible.
www.bcps.knightsfield.co.uk /selfmates.html   (1348 words)

 Babson task
The earliest Babson tasks are all in the form of a selfmate[?] - this is where white, moving first, must force fl to mate him against his will within a specified number of moves.
The first problem in which a single fl and single white pawn were involved in the promotions was by Henry William Bettmann[?], and won 1st prize in the Babson Task Tourney 1925-26.
A number of other selfmate Babson tasks with one pawn of each colour doing all the promotions followed this one.
www.ebroadcast.com.au /lookup/encyclopedia/ba/Babson_task.html   (809 words)

 ChessBase Christmas Puzzles
In a selfmate the task is for White, who moves first, to force Black to deliver checkmate, against his will, in a specific number of moves.
Selfmates did not appear in the well-known Arabic collection of mansubat (or chess problems), and were very likely an innovation that appeared soon after chess reached Europe.
If you have never solved – or even seen – a selfmate before you may be baffled as to how White, with such a massive material advantage, can force Black to deliver mate (with the one lonely pawn).
www.chessbase.com /puzzle/christmas2005/chr05-4a.htm   (629 words)

 Selfmate - Wikipedia, the free encyclopedia
A selfmate is a chess problem in which white, moving first, must force fl to deliver checkmate within a specified number of moves against his will.
It is by Wolfgang Pauly (from The Theory of Pawn Promotion, 1912) and is a selfmate in 2: White moves first, and compels Black to deliver checkmate on or before move two.
A derivative of the selfmate is the reflexmate, in which White compels Black to give mate with the added condition that if either player can give mate, they must (when this condition applies only to Black, it is a semi-reflexmate).
en.wikipedia.org /wiki/Selfmate   (316 words)

 Chess problem - Encyclopedia, History, Geography and Biography
Selfmates - white moves first and forces fl to checkmate white's king against fl's will
Reflexmates - a selfmate in which each player must give mate if they are able to do so on their turn.
Series-selfmate - a selfmate in which white plays a series of moves leading to a position in which fl is forced to give mate
www.arikah.net /encyclopedia/Chess_problem   (3029 words)

 Joe Hurd: Chess: Problems: Glossary   (Site not responding. Last check: 2007-10-12)
Selfmate in 2: White moves first, and forces fl to play a checkmate on fl's second move (or earlier).
Selfmate in 3: White moves first, and forces fl to play a checkmate on fl's third move (or earlier).
Selfmate in 5: White moves first, and forces fl to play a checkmate on fl's fifth move (or earlier).
www.cl.cam.ac.uk /~jeh1004/chess/problems/glossary.html   (361 words)

 Chess glossary
Selfmate (n.): A problem genre in which White forces an uncooperative Black to checkmate White.
Selfmate in Two by 1 Qf7!, and now 1...a1Q(R) is checkmate, while 1...a1B(N) is answered by 2 Qg6!
In other problem genres, such as cooperative problems, series problems, and selfmates, there may be other reasons for either side to promote a pawn to Bishop or Rook rather than Queen.
www.math.harvard.edu /~elkies/FS23j.03/glossary_chess.html   (2021 words)

 SapoMat Intro   (Site not responding. Last check: 2007-10-12)
When a beginner starts solving a selfmate in more moves, he first tries to find out how the fl could mate even if he wanted to cooperate.
This happened to me with the selfmate fourmover in Bratislava, Slovakia, 2002, and thus the idea of sapomat was born.
Se-he-mate is a selfmate and a helpmate in one problem (sapomat is an analogy in the Czech language).
www.ursta.com /chess/problems/sapomat/intro_en.htm   (429 words)

 [No title]
We are coming to a paradoxical conclusion, namely that in the selfmate, after mating improper King, we should foresee further course of the game.
I think that signaled above selfmate possibilities of expanding the idea spectrum of selfmate are worthy of notice, because them should stay the base for formation proper only to this kind strategy and themes.
In the light of these statements I think that we should agree with conclusion of this article, that selfmate in the 21st century should pass through the period of bloom and it is hard to accept the pessimistic opinions about its decline.
free.of.pl /c/ccintorun/g/poms2.htm   (776 words)

 ChessExplorer - program for chess problems
A little DOS program, written in Turbo Pascal, working in text-mode, for solving chess problems (mate, selfmate, helpmate).
It is more for fun, because it works very slowly (ca 10,000 moves per second).
Selfmate - white moves first and force fl to mate him (white)
www.geocities.com /explorer127pl   (749 words)

 Mat Plus Informal Tourney: Selfmates 1998/99
There were 15 selfmates, none of which below usually high level of originals in the magazine.
However, Selfmate Art has developed much since 1998 and many works look less original and intensive today.
A nice Miniature (according to Nenad Petrović's extension for selfmates) for the "Kings and Pawns" collection.
www.matplus.org.yu /TY98SM.HTM   (429 words)

 Help-Direct-Mate Intro   (Site not responding. Last check: 2007-10-12)
There is a direct analogy to a standard helpmate, where white and fl help each other in the first part so that fl cannot prevent from 'one-mover' (in the last half-move of white).
There is also an analogy with an existing type of the problem: help-self-mate, where white and fl help each other to create a one-mover selfmate in the last move (though there is no reason to restrict the selfmate to just one move).
We make her win so that she has to be kind to us even though she does not want to.
www.ursta.com /chess/problems/hdm/intro_en.htm   (683 words)

 Petko Petkov
Petko Andonov Petkov was born February 27,1942 in Dobrich – a small town in northeastern Bulgaria.
He is an International Grandmaster of Chess Composition (since 1984) and an International Judge of Chess Composing.
In the Selfmate genre, he has many original discoveries, especially in those with 4 or more moves.
www.strategems.org /editors/PetkoPetkov.htm   (679 words)

 Games: chess Independent, The (London) - Find Articles
In the "selfmate" White plays and forces Black to checkmate him on his second move.
They are from the 45th World Congress of Chess Composition, which took place in Portoroz in Slovenia from 31 August to 7 September.
The selfmate was published by C Gilberg in 1888.
www.findarticles.com /p/articles/mi_qn4158/is_200209/ai_n12648340   (383 words)

 Summary of ST 3/2002   (Site not responding. Last check: 2007-10-12)
The spring meeting for ST members took place in the beginning of May. Altogether 14 participants took part in solving and composing competitions and other programme during one weekend.
The required theme was "at some stage of the solution, an identical position to a previous stage has been reached with the only difference of one or more missing units".
Therefore white must get rid of Bg5, and as will be seen, of the fl Pawn on e4 in the course of the solution.
www.saunalahti.fi /~stniekat/st/summ3_02.htm   (512 words)

In the Problemesis selfmate section 2005 was published 45 problems.
In my opinion the problems of this kind must be with more strategic play or in logic stile to be good.
S72 (Evgeni Bourd) - A selfmate with interesting idea, but the dual in the threat and the heavy position with 16 fl pieces are weakness.
christian.poisson.free.fr /problemesis/sproblemesis05.html   (438 words)

 Chess Problem Terms
MAXIMUMMER SELFMATE Selfmate with fl restricted by the maximummer condition.
REFLEXMATE IN N Selfmate played under the rules of reflex chess: white plays first and forces fl to deliver checkmate on his Nth move, assisted and obstructed by the rule that either player must give checkmate in one if the chance arises.
SELFMATE IN N White plays and forces fl to deliver checkmate on his Nth move.
homepage.ntlworld.com /gpjnow/VC-GP.htm   (4360 words)

 Chess Directory > Problems
Categories include best move in the Endgame and mate in 1 or more moves.
DHS Chess Problems - Eight problems with ideas such as Selfmate and Helpmate implemented.
Egalitarian Attacks - A Riddle with Chess pieces.
www.chess.freegames.eu.com /directory/problems.html   (562 words)

 WCCC 2004 - Tzuica
In a help-selfmate problem in "n" moves (denoted hs#n), White starts and Black collaborates with White in order to reach a position of s#1 (selfmate in one move) at move "n" (the last move).
Black helps until his final move, which must be forced, as in a selfmate.
We find the opportunity to reproduce a very fine hs#3 from the FIDE Album 1992-94 (not thematic, of course, since no promotions occur.)
www.sitesled.com /members/wccc/tzuica/tzuica.html   (842 words)

 RedHotPawn.com - Posers and Puzzles : Chess puzzle (very difficult)
In this type of problem, White and Black must cooperate to achieve the goal.
Well a good solver of heterodox problems can be more succesful than a GM.Helpmate problems are perhaps the most challengig, even more so than the selfmate ones.
But like in all problemsolving it helps to picture the possible final positions and then to discard the impossible and to distinguish the exact order of moves (so no violation of the rules occurs), and then you've got the solution.
www.redhotpawn.com /board/showthread.php?threadid=19617   (501 words)

 Chessville - Chessprint for May 15, 2005 - For the sheer JOY of chess!
If you have disabled Java for your browser, use the Site Map (linked in the header and footer).
White to selfmate in 13 - Find the Solution
Today's position is an example of selfmate, a type of chess problem where the task requires White to compel Black to checkmate the White king.
www.chessville.com /chessprints/2005/20050515.htm   (189 words)

 Look Up (Finger) Player piboy
:) 8: 9: My library ("liblist piboy") contains some KQQkq and KQRkq selfmate positions generated by computer search as my final project for a course about chess and math.
10: In a selfmate, white forces fl to give checkmate -- http://en.wikipedia.org/wiki/Selfmate.
Feel free to message me if you want explanations or more variations!
www.chessclub.com /finger/piboy   (159 words)

 the informing of the soul
Blind." In a note to the English translation of the story (Details of a Sunset and Other Stories, p.
153), Nabokov remarks that it "oddly resembles the type of chess problem called 'selfmate'." (White forces Black to mate the White King in a certain fixed number of moves.
Although Sleptsov is on the verge of suicide, the analogy seems somewhat dark to me).
www.libraries.psu.edu /nabokov/barab13.htm   (1450 words)

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