MESON Chess Problem Database

Problem Display
PID: 150246 (5K1k/4PppP/8/3Q4/8/2P4P/8/8 w - - 0 1)

Agapov, Igor Alexeyevich

SuperProblem, 2012

5K1k/4PppP/8/3Q4/8/2P4P/8/8

#2

6 + 3

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh7
      • 2.Qh5#
    • 1...f5
      • 2.Qg8#
    • 1...f6
      • 2.Qg8#
  • Tries
    • 1.Qd4?
      • threat
        • 2.Qxg7#
      • 1...Kxh7
        • 2.Qxg7#
      • 1...f6!
    • 1.Qe5?
      • threat
        • 2.Qxg7#
      • 1...Kxh7
        • 2.Qxg7#
        • 2.Qh5#
      • 1...f6!
    • 1.Qg5?
      • threat
        • 2.Qxg7#
      • 1...Kxh7
        • 2.Qh5#
        • 2.Qxg7#
      • 1...g6!
  • Keys
    • 1.Qxf7!
      • threat
        • 2.Qg8#
        • 2.Qxg7#
      • 1...Kxh7
        • 2.Qh5#
        • 2.Qxg7#
      • 1...g5
        • 2.Qg8#
        • 2.Qg7#
      • 1...g6
        • 2.Qg8#
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • K(c);OGATEB,P-FLIGHT,XP(E)::QAR2(C)
    • P(a);OGATE::QAR1(C)
  • Tries
    • Try
      • Q(C);P_PINP(b)
      • Threat
        • QAB1(C),XP(b)
      • Vars
        • K(c);N_SPINP(b),P-FLIGHT,XP(E)::QAR1(C),XP(b)
      • Refutation
        • P(a);N_SPINP(b)
    • Try
      • Q(C);P_PINP(b)
      • Threat
        • QAB1(C),XP(b)
      • Refutation
        • P(a);N_SPINP(b)
    • Try
      • Q(C);
      • Threat
        • QAB1(C),XP(b)
      • Refutation
        • P(b);
  • Actual
    • Q(C);XP(a)
    • Threat
      • DUALS(2)
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).