MESON Chess Problem Database

Problem Display
PID: 194037 (8/5p2/2pR1P2/2pp1k1P/R4P1r/5Q2/4P2p/7K w - - 0 1)

Hody, Janos

Eskilstuna Kuriren, 1917

8/5p2/2pR1P2/2pp1k1P/R4P1r/5Q2/4P2p/7K

#2

8 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rh3
      • 2.Qxh3#
    • 1...Rxf4
      • 2.Qxf4#
    • 1...Rg4
      • 2.Qd3#
    • 1...Rxh5
      • 2.Qxh5#
  • Tries
    • 1.Qh3+?
      • 1...Rg4
        • 2.Qd3#
      • 1...Rxh3!
  • Keys
    • 1.Rc4!
      • 1...Rxf4
        • 2.Qxf4#
      • 1...Rxh5
        • 2.Qxh5#
      • 1...dxc4
        • 2.e4#
      • 1...Rh3
        • 2.Qxh3#
      • 1...Rg4
        • 2.Qd3#
      • 1...d4
        • 2.Rxc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD::QAB(C),XR(b)
    • R(b);OGATE,P_SPINR(b),XP(E)::QAR1(C),XR(b)
    • R(b);SBLOCK::QAB(C)
    • R(b);OGATE,XP(F)::QAR2(C),XR(b)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • R(b);P_SPINR(b),SBLOCK::QAB(C)
      • Refutation
        • R(b);XQ(C)
  • Actual
    • R(D);
    • Vars
      • R(b);OGATE,P_SPINR(b),XP(E)::QAR1(C),XR(b)
      • R(b);OGATE,XP(F)::QAR2(C),XR(b)
      • P(d);N_GUARD,XR(D)::P(B)
      • R(b);N_GUARD::QAB(C),XR(b)
      • R(b);SBLOCK::QAB(C)
      • P(d);OGATEB::R(D),XP(c)
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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).