MESON Chess Problem Database

Problem Display
PID: 207261 (5R2/p5p1/B4bN1/2K2k2/5P2/6R1/8/8 w - - 0 1)

Rott, Emil

Schachzeitung, 1869

5R2/p5p1/B4bN1/2K2k2/5P2/6R1/8/8

#2

6 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Bd3#
    • 1...Ke6
      • 2.Bc8#
  • Tries
    • 1.Kc6?
      • 1...Ke6
        • 2.Bc8#
      • 1...Ke4!
    • 1.Rg1?
      • 1...Ke6
        • 2.Bc8#
      • 1...Ke4!
    • 1.Rg2?
      • 1...Ke6
        • 2.Bc8#
      • 1...Ke4!
    • 1.Rg5+?
      • 1...Ke6
        • 2.Bc8#
      • 1...Ke4!
    • 1.Rf7?
      • 1...Ke4
        • 2.Bd3#
      • 1...Ke6!
  • Keys
    • 1.Rh3!
      • 1...Ke4
        • 2.Bd3#
      • 1...Kg4
        • 2.Bc8#
      • 1...Ke6
        • 2.Bc8#
      • 1...Kxg6
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINB(b),S_FLIGHT::B(D)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);N_SPINB(b),S_FLIGHT::B(D)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);N_SPINB(b),S_FLIGHT::B(D)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);N_SPINB(b),S_FLIGHT::B(D)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • R(A);CHECK
      • Vars
        • K(a);N_SPINB(b),S_FLIGHT::B(D)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);N_SPINB(b),S_FLIGHT::B(D)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(a);N_SPINB(b),S_FLIGHT::B(D)
      • K(a);N_SPINB(b),S_FLIGHT,XS(E)::B(D)
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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).