MESON Chess Problem Database

Problem Display
PID: 263914 (6Q1/8/p7/p2R1B2/P3Rp2/N4K2/Nk6/b7 w - - 0 1)

Parcerisa, Jose Antonio Lopez

Coello-75 JT (Problemas), 2017

6Q1/8/p7/p2R1B2/P3Rp2/N4K2/Nk6/b7

#2

8 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Re3?
      • threat
        • 2.Rd2#
        • 2.Qg2#
      • 1...Kxa2
        • 2.Rd2#
        • 2.Rb5#
      • 1...fxe3!
    • 1.Rb5+?
      • 1...Kxa3
        • 2.Qb3#
      • 1...axb5!
  • Keys
    • 1.Sb1!
      • 1...Kxb1
        • 2.Re2#
      • 1...Kxa2
        • 2.Rb5#
      • 1...Kc2
        • 2.Rb4#
      • 1...Kb3
        • 2.Rd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);
      • Threat
        • DUALS(2)
      • Refutation
        • P(c);XR(E)
    • Try
      • R(F);CHECK
      • Vars
        • K(b);S_FLIGHT,XS(B)::QAR1(H)
      • Refutation
        • P(e);XR(F)
  • Actual
    • S(B);
    • Vars
      • K(b);N_GUARD,P-FLIGHT,XS(B)::B(G)+R(E)
      • K(b);N_GUARD,P-FLIGHT,S_CUTP(e),XS(A)::QAB(H)+R(F)
      • K(b);N_GUARD,P-FLIGHT,S_CUTP(d)::B(G)+R(E)
      • K(b);N_GUARD,P-FLIGHT::QAB(H)+R(F)
HTML5 logo

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).