MESON Chess Problem Database

Problem Display
PID: 221689 (2B5/K7/2P3N1/3kB3/8/8/8/5Q2 w - - 0 1)

Piliczewski, Bogusz

SuperProblem, 2019

2B5/K7/2P3N1/3kB3/8/8/8/5Q2

#2

6 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Qc4#
  • Tries
    • 1.Ka6?
      • 1...Kc5
        • 2.Qb5#
      • 1...Kxc6
        • 2.Qc4#
        • 2.Qb5#
      • 1...Ke4!
    • 1.Bg4?
      • 1...Ke4
        • 2.Qf3#
      • 1...Kxc6
        • 2.Qc4#
      • 1...Kc5!
    • 1.Bf5?
      • threat
        • 2.Qb5#
      • 1...Kxc6
        • 2.Qc4#
      • 1...Kc5!
    • 1.Be6+?
      • 1...Ke4
        • 2.Qe2#
      • 1...Kc5
        • 2.Qc4#
      • 1...Kxc6
        • 2.Qc4#
      • 1...Kxe6!
    • 1.Qe2?
      • 1...Kxc6
        • 2.Qc4#
      • 1...Kc5!
    • 1.Qd3+?
      • 1...Kxc6
        • 2.Qc4#
      • 1...Kc5!
    • 1.Qf4?
      • 1...Kxc6
        • 2.Qc4#
      • 1...Kc5!
  • Keys
    • 1.Ba6!
      • threat
        • 2.Qc4#
      • 1...Ke4
        • 2.Qd3#
      • 1...Kc5
        • 2.Qc4#
        • 2.Qb5#
      • 1...Kxc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XP(C)::QAR2(A)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • K(a);S_FLIGHT,XP(C)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(F);
      • Threat
        • QAR2(A)
      • Vars
        • K(a);S_FLIGHT,XP(C)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(F);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT,XP(C)::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT,XB(F)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT,XP(C)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT,XP(C)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT,XP(C)::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(F);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);S_FLIGHT,XP(C)::QAB1(A)
      • K(a);S_FLIGHT::B(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).