Problem 2728

Bonus Socius, 1300



#2

HTML code:

Solution:

..Kc8/Ne8/Nb7 2.Ra8#
..Ke8/Nc8 2.Rh8#
..Ne4/Nf5/Nc4/Nb5 2.Ra8#/Rh8#

tries skipped1.Ke2?? zz
..Kc8/Ne8/Nb7 2.Ra8#
..Ke8/Nc8 2.Rh8#
..Ne4/Nf5/Nc4/Nb5 2.Ra8#/Rh8#
but 1...Nf7!

Kc2?? zz
..Kc8/Ne8/Nb7 2.Ra8#
..Ke8/Nc8 2.Rh8#
..Ne4/Nf5/Nc4/Nb5 2.Ra8#/Rh8#
but 1...Nf7!


Rhg7! zz
..Kc8/Ne8/Nb7 2.Ra8#
..Ke8/Nf7/Nc8 2.Rg8#
..Ne4/Nf5/Nc4/Nb5 2.Rg8#/Ra8#

Keywords:

Model mates
No pawns

References:

Eduardo Sadier Twomovers Collection (pgn)

[Event "?"]
[Site "Manuscrito del Siglo XIII"]
[Date "1999.??.??"]
[Round "?"]
[White "BONUS SOCIUS"]
[Black "  #2"]
[Result "1-0"]
[SetUp "1"]
[FEN "3k4/R6R/3n4/8/8/3K4/8/8 w - - 0 1"]

1. Rhg7 1-0

Eduardo Sadier Twomovers Collection (pgn)

[Event "?"]
[Site "cca. 1300"]
[Date "1999.??.??"]
[Round "?"]
[White "SOCIUS Bonus"]
[Black "  #2"]
[Result "1-0"]
[SetUp "1"]
[FEN "3k4/R6R/3n4/8/8/3K4/8/8 w - - 0 1"]

1. Rhg7 1-0

ProblemsPGN.rar (pgn)

[Event "?"]
[Site "?"]
[Date "1999.??.??"]
[Round "?"]
[White "B.SOCIUS 13°SECOLO"]
[Black "#2"]
[Result "1-0"]
[SetUp "1"]
[FEN "3k4/R6R/3n4/8/8/3K4/8/8 w - - 0 1"]
[PlyCount "1"]
[EventDate "1999.??.??"]

1. Rhg7 1-0

Problemiste PBM Collections (pbm2py)

Author B.SOCIUS 13°SECOLO
Remark extra: \s2M.P.(marco_pagano@hotmail.com)
Remark file://donfrenc.pbm/0
Stipulation #2
Forsyth 3k4/R6R/3s4/8/8/3K4/8/8

Leo Mano Forsyth Collection (forsyth)

[Event "#2"]
[White "B.SOCIUS 13°SECOLO"]
[Comm3 "\s2M.P.(marco_pagano@hotmail.com)"]

3k4/R6R/3n4/8/8/3K4/8/8

Leo Mano Forsyth Collection (forsyth)

[White "BONUS SOCIUS cca. 1300"] 
[Event "#2"] 
 
3k4/R6R/3n4/8/8/3K4/8/8

Leo Mano Forsyth Collection (forsyth)

[Ask "#2"]
[Date "11??.??.??"]

3k4/R6R/3n4/8/8/3K4/8/8 w - -
3k4/R5R1/3n4/8/8/3K4/8/8 b - -

Klaus-Peter Zuncke Miniatures Database (pgn)

[Event "???? "]
[Site "?"]
[Date "1350.??.??"]
[Round "?"]
[White "Bonus Socius"]
[Black "?"]
[Result "*"]
[Annotator "2# -881-"]
[SetUp "1"]
[FEN "3k4/R6R/3n4/8/8/3K4/8/8 w - - 0 1"]
[PlyCount "1"]
[SourceDate "2005.01.01"]

{HX4  mm   TWR s.24  ,} 1. Rhg7 *

Fritz Schonert Collection (text/plain)

"
????????         Socius Bonus
????????         ?
????????         1266
????????
????????
????????         1.Th7-g7 !
????????         Kd3 Ta7 Th7
???????          Kd8 Sd6
Matt in 2 3+2=5
                           "

The Meson by Brian Stephenson (weblink)

http://www.bstephen.me.uk/cgi-bin/meson_display.pl?pid=2075

Gabriel Török Twomovers Collection (csv)

"SOCIUS BONUS";;1300;;"2x";"Vhg7";"d3";;"a7";"h7";;;;;;;;;;;;;"d8";;;;"d6";;;;;;;;;;;

Yet another chess problem database^{+ wiki}