MESON Chess Problem Database

Problem Display
PID: 206570 (2K2N2/8/8/1pPk1N2/1p1P2P1/1Rp3P1/B1P1P3/8 w - - 0 1)

Joshi, NV

Brisbane Courier, 1925

2K2N2/8/8/1pPk1N2/1p1P2P1/1Rp3P1/B1P1P3/8

#2

11 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Se7#
  • Tries
    • 1.Sh7?
      • 1...Ke4
        • 2.Sf6#
      • 1...Kc6
        • 2.Se7#
      • 1...Ke6
        • 2.Rxb4#
      • 1...Kc4!
    • 1.Rxc3+?
      • 1...Ke4
        • 2.Re3#
      • 1...Kc6
        • 2.Se7#
        • 2.d5#
      • 1...b3!
    • 1.Rxb4+?
      • 1...Kc6
        • 2.Se7#
      • 1...Ke4!
  • Keys
    • 1.Sd7!
      • 1...Kc4
        • 2.Sb6#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kc6
        • 2.Se7#
      • 1...Ke6
        • 2.Rxb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::S(I)
  • Tries
    • Try
      • S(K);
      • Vars
        • K(d);S_FLIGHT::S(K)
        • K(d);S_FLIGHT::S(I)
        • K(d);S_FLIGHT::B(A)+R(D),XP(b)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(D);CHECK,XP(a)
      • Vars
        • K(d);S_FLIGHT::R1(D)
      • Refutation
        • P(b);P_SPINP(b)
    • Try
      • R(D);CHECK,XP(b)
      • Vars
        • K(d);S_FLIGHT::S(I)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(K);
    • Vars
      • K(d);S_FLIGHT::S(K)
      • K(d);S_FLIGHT::S(I)
      • K(d);S_FLIGHT::B(A)+R(D),XP(b)
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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).