Problem 42498

• Changed mates
• Mutate

Similar diagrams (2):

References:

• Eduardo Sadier Twomovers Collection (pgn)

  [Event "?"]
  [Site "Skakbladet 1955"]
  [Date "1955.??.??"]
  [Round "?"]
  [White "BAJTAY Joszef"]
  [Black "  #2"]
  [Result "1-0"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  
  1. Qg5 1-0

• Eduardo Sadier Twomovers Collection (pgn)

  [Event "?"]
  [Site "Pravda 1983"]
  [Date "1983.??.??"]
  [Round "?"]
  [White "LAKATOS M."]
  [Black "  #2"]
  [Result "1-0"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  
  1. Qg5 1-0

• Eduardo Sadier Twomovers Collection (pgn)

  [Event "?"]
  [Site "Falkirk Herald 1924"]
  [Date "1924.??.??"]
  [Round "?"]
  [White "LESTER William Edward"]
  [Black "  #2"]
  [Result "1-0"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  
  1. Qg5 1-0

• ProblemsPGN.rar (pgn)

  [Event "Skakbladet 1955"]
  [Site "Skakbladet 1955"]
  [Date "1955.??.??"]
  [Round "?"]
  [White "BAJTAY, Jozsef"]
  [Black "#2"]
  [Result "1-0"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  [PlyCount "1"]
  [EventDate "1955.??.??"]
  
  1. Qg5 1-0

• ProblemsPGN.rar (pgn)

  [Event "Skakbladet 1955"]
  [Site "Skakbladet 1955"]
  [Date "1955.??.??"]
  [Round "?"]
  [White "J. Bajtay"]
  [Black "#2"]
  [Result "1-0"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  [PlyCount "1"]
  [EventDate "1955.??.??"]
  
  1. Qg5 1-0

• ProblemsPGN.rar (pgn)

  [Event "Original 1983 (1439)"]
  [Site "Original 1983 (1439)"]
  [Date "1983.??.??"]
  [Round "?"]
  [White "M.LAKATOS"]
  [Black "#2"]
  [Result "1-0"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  [PlyCount "1"]
  [EventDate "1983.??.??"]
  
  1. Qg5 1-0

• Problemiste PBM Collections (pbm2py)

  Author BAJTAY, Jozsef
  Origin Skakbladet 1955
  Remark comments: Magyar Sakkelet 6.1967
  Remark text: 
  Remark text: Solution: 1. Qg5! waiting
  Remark text: 
  Remark file://MSE66_69.pbm/513
  Stipulation #2
  Forsyth 4K3/5p2/4k3/2P5/2P2Q2/8/8/8

• Problemiste PBM Collections (pbm2py)

  Author J. Bajtay
  Origin Skakbladet 1955
  Remark text: 1... f6,f5 2.Qe4,Qd6#
  Remark text: 1.Qg5 .. 2.Qd5,Qe7#
  Remark text: [Keywords]
  Remark text: 2200; self-blocks, changed mates; miniature; all change here
  Remark file://Mutatebg.pbm/1941
  Stipulation #2
  Forsyth 4K3/5p2/4k3/2P5/2P2Q2/8/8/8

• Problemiste PBM Collections (pbm2py)

  Author M.LAKATOS
  Origin Original 1983 (1439)
  Remark file://Pravda.pbm/1311
  Stipulation #2
  Forsyth 4K3/5p2/4k3/2P5/2P2Q2/8/8/8

• Leo Mano Forsyth Collection (forsyth)

  [Event "#2"]
  [White "BAJTAY, Jozef"]
  [Site "Skakbladet 1955"]
  [ECO "baj5529"]
  
  4K3/5p2/4k3/2P5/2P2Q2/8/8/8

• Leo Mano Forsyth Collection (forsyth)

  [White "W. E. LESTER Falkirk Herald 1924"] 
  [Event "#2"] 
   
  4K3/5p2/4k3/2P5/2P2Q2/8/8/8

• Leo Mano Forsyth Collection (forsyth)

  [Event "#2"]
  [White "BAJTAY, Jozsef"]
  [Site "Skakbladet 1955"]
  [ECO "Magyar Sakkelet 6.1967"]
  [Comm1 "Solution: 1. Qg5! waiting"]
  
  4K3/5p2/4k3/2P5/2P2Q2/8/8/8

• Leo Mano Forsyth Collection (forsyth)

  [Event "#2"]
  [White "J. Bajtay"]
  [Site "Skakbladet 1955"]
  [Comm1 "1... f6,f5 2.Qe4,Qd6#  1.Qg5 .. 2.Qd5,Qe7#  [Keywords]  2200; self-blocks, changed mates; miniature;"]
  
  4K3/5p2/4k3/2P5/2P2Q2/8/8/8

• Leo Mano Forsyth Collection (forsyth)

  [White "J. Bajtay Skakbladet 1955"]
  [Event "#2"]
  
  4K3/5p2/4k3/2P5/2P2Q2/8/8/8

• Klaus-Peter Zuncke Miniatures Database (pgn)

  [Event "The Falkirk Herald "]
  [Site "?"]
  [Date "1924.??.??"]
  [Round "?"]
  [White "Lester,  William Edward"]
  [Black "?"]
  [Result "*"]
  [Annotator "2# -9550-z"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  [PlyCount "1"]
  [SourceDate "2005.01.01"]
  
  {B19DD0_   z03  2MW   Einführung s.61  .} 1. Qg5 *

• Klaus-Peter Zuncke Miniatures Database (pgn)

  [Event "Svenska Dagbladet "]
  [Site "?"]
  [Date "1929.10.27"]
  [Round "?"]
  [White "Umnow,  Ewgeni"]
  [Black "?"]
  [Result "*"]
  [Annotator "2# -9550-z"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  [PlyCount "1"]
  [SourceDate "2005.01.01"]
  [WhiteTeam "1035"]
  
  {z03  fs  .} 1. Qg5 *

• Klaus-Peter Zuncke Miniatures Database (pgn)

  [Event "Nationaltidende "]
  [Site "?"]
  [Date "1944.02.06"]
  [Round "?"]
  [White "Hannemann,  Knud"]
  [Black "?"]
  [Result "*"]
  [Annotator "2# -9550-z"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  [PlyCount "1"]
  [SourceDate "2005.01.01"]
  [WhiteTeam "8515"]
  
  {z03  fs  .} 1. Qg5 *

• Klaus-Peter Zuncke Miniatures Database (pgn)

  [Event "Nationaltidende "]
  [Site "?"]
  [Date "1950.??.??"]
  [Round "?"]
  [White "Macleod,  Norman"]
  [Black "?"]
  [Result "*"]
  [Annotator "2# -9550-z"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  [PlyCount "1"]
  [SourceDate "2005.01.01"]
  [WhiteTeam "8211"]
  
  {z03  fs  .} 1. Qg5 *

• Klaus-Peter Zuncke Miniatures Database (pgn)

  [Event "Caissa "]
  [Site "?"]
  [Date "1951.05.01"]
  [Round "?"]
  [White "Kuner,  Hans-Theo"]
  [Black "?"]
  [Result "*"]
  [Annotator "2# -9550-z"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  [PlyCount "1"]
  [SourceDate "2005.01.01"]
  [WhiteTeam "282"]
  
  {z03  fs  .} 1. Qg5 *

• Klaus-Peter Zuncke Miniatures Database (pgn)

  [Event "Skakbladet "]
  [Site "?"]
  [Date "1955.??.??"]
  [Round "?"]
  [White "Bajtay,  Jószef"]
  [Black "?"]
  [Result "*"]
  [Annotator "2# -9550-z"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  [PlyCount "1"]
  [SourceDate "2005.01.01"]
  [WhiteTeam "6920 "]
  
  {z03  fs  .} 1. Qg5 *

• Klaus-Peter Zuncke Miniatures Database (pgn)

  [Event "Pravda (Bratislava) "]
  [Site "?"]
  [Date "1983.06.24"]
  [Round "?"]
  [White "Lakatos,  Milos"]
  [Black "?"]
  [Result "*"]
  [Annotator "2# -9550-z"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  [PlyCount "1"]
  [SourceDate "2005.01.01"]
  [WhiteTeam "1439"]
  
  {z03  rub  .} 1. Qg5 *

• Klaus-Peter Zuncke Miniatures Database (pgn)

  [Event "Problemist pribuschja "]
  [Site "?"]
  [Date "1990.08.??"]
  [Round "2"]
  [White "Suslow A"]
  [Black "?"]
  [Result "1/2-1/2"]
  [Annotator "2# -9550-z"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  [PlyCount "1"]
  [SourceDate "2005.01.01"]
  [WhiteTeam "17"]
  
  {z03  .} 1. Qg5 1/2-1/2

• Klaus-Peter Zuncke Miniatures Database (pgn)

  [Event "Problemist Ukraini "]
  [Site "?"]
  [Date "2006.??.??"]
  [Round "7"]
  [White "Skripnik,  Anatoli"]
  [Black "?"]
  [Result "1/2-1/2"]
  [Annotator "2# -9550-z"]
  [SetUp "1"]
  [FEN "4K3/5p2/4k3/2P5/2P2Q2/8/8/8 w - - 0 1"]
  [PlyCount "1"]
  [WhiteTeam "41"]
  
  {z03  .} 1. Qg5 1/2-1/2

• Fritz Schonert Collection (text/plain)

  ????????         William Edward Lester
  ????????         Falkirk Herald
  ????????         1924
  ????????
  ????????
  ????????         1.Df4-g5 ! - hat sehr viele Nachläufer
  ????????         Ke8 Df4 Bc4 Bc5
  ???????          Ke6 Bf7
  Matt in 2 4+2=6
                  8220
                  8221
  

• The Meson by Brian Stephenson (weblink)

  http://www.bstephen.me.uk/cgi-bin/meson_display.pl?pid=22084

• Gabriel Török Twomovers Collection (csv)

  "BAJTAY JÓZSEF";"SKAKBLADET";1955;;"2x";"Dg5";"e8";"f4";;;;;;;"c4";"c5";;;;;;;"e6";;;;;;;;"f7";;;;;;;

• Gabriel Török Twomovers Collection (csv)

  "LAKATOŠ MILOŠ";"PRAVDA";1983;;"2x";"Dg5";"e8";"f4";;;;;;;"c4";"c5";;;;;;;"e6";;;;;;;;"f7";;;;;;;