MESON Chess Problem Database

Problem Display
PID: 187062 (k1K2B1R/P1p5/8/3p4/8/r7/Q7/R6b w - - 0 1)

Moen, Kabe

The Problemist Supplement, 2018

k1K2B1R/P1p5/8/3p4/8/r7/Q7/R6b

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa7
      • 2.Qxa7#
  • Tries
    • 1.Qb1?
      • threat
        • 2.Qb7#
        • 2.Qb8#
      • 1...Kxa7
        • 2.Rxa3#
        • 2.Qb7#
      • 1...d4
        • 2.Qb8#
      • 1...Rb3!
    • 1.Qb3?
      • threat
        • 2.Qb7#
        • 2.Qb8#
      • 1...Kxa7
        • 2.Rxa3#
        • 2.Qb7#
      • 1...d4
        • 2.Qb8#
      • 1...Rxb3!
    • 1.Qb2?
      • threat
        • 2.Qb7#
        • 2.Qb8#
      • 1...Kxa7
        • 2.Rxa3#
        • 2.Qb7#
      • 1...d4
        • 2.Qb8#
      • 1...Rb3!
  • Keys
    • 1.Kxc7!
      • threat
        • 2.Bc5#
      • 1...Rxa7+
        • 2.Qxa7#
      • 1...Kxa7
        • 2.Qxa3#
      • 1...Rb3
        • 2.Bb4#
      • 1...Re3
        • 2.Be7#
      • 1...Rf3
        • 2.Qxd5#
      • 1...Rg3
        • 2.Bg7#
      • 1...Rh3
        • 2.Bh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATE,P_SPINR(b),XP(C)::QAR1(B),XR(b)
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAR1(B)
      • Refutation
        • R(b);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAR1(B)
      • Refutation
        • R(b);XQ(B)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAR1(B)
      • Refutation
        • R(b);
  • Actual
    • K(D);P-FLIGHT,XP(d)
    • Threat
      • R(F)+B(E)
    • Vars
      • R(b);CHECK,OGATE,P_SPINR(b),XP(C)::QAR1(B),XR(b)
      • K(e);OGATEB,P-FLIGHT,P_SPINR(b),XP(C)::QAR(B),XR(b)
      • R(b);::R(F)+B(E)
      • R(b);S_CUTB(a)::QAB(B),XP(c)
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).