MESON Chess Problem Database

Problem Display
PID: 239270 (1B6/KB2p2r/1P1R1P2/N1n1kpQp/5p2/3RP3/3n3b/2qr3b w - - 0 1)

Pituk, Alexander

Sachove umeni (Ceskoslovensky sach), 1959

1B6/KB2p2r/1P1R1P2/N1n1kpQp/5p2/3RP3/3n3b/2qr3b

#2

10 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Rc6#
    • 1...Bg1
      • 2.Qxf4#
      • 2.exf4#
    • 1...Sde4
      • 2.Sc6#
    • 1...Sce4
      • 2.R3d5#
    • 1...exf6
      • 2.Qxf6#
    • 1...e6
      • 2.Rd7#
  • Tries
    • 1.R6d5+?
      • 1...Ke4
        • 2.R5d4#
      • 1...Ke6!
  • Keys
    • 1.e4!
      • threat
        • 2.Qxf5#
      • 1...Bxe4
        • 2.Rc6#
      • 1...Sdxe4
        • 2.Sc6#
      • 1...Scxe4
        • 2.R3d5#
      • 1...e6
        • 2.Rd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(c);SBLOCK::B(J)+R(F)
    • S(d);SBLOCK,S_CUTB(c)::S(C)
    • S(g);SBLOCK,S_CUTB(c)::R1(A)
    • P(k);OGATE,P_PINB(I),XP(G)::QAB1(D),XP(k)
    • P(k);P_PINB(I),SBLOCK::B(J)+R(F)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(h);N_SPINP(i),P-FLIGHT::B(I)+R(F),DCHECK
      • Refutation
        • K(h);N_SPINP(i),P-FLIGHT
  • Actual
    • P(B);
    • Threat
      • QAR1(D),XP(i)
    • Vars
      • B(c);SBLOCK,XP(B)::B(J)+R(F)
      • S(d);SBLOCK,XP(B)::S(C)
      • S(g);SBLOCK,XP(B)::R1(A)
      • P(k);P_PINB(I),SBLOCK::B(J)+R(F)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).