MESON Chess Problem Database

Problem Display
PID: 272500 (8/4K3/4p3/4k3/1P2p2P/4Q3/8/8 w - - 0 1)

Kharchisin, Nikolai

Paramonov, M

Mosiashvili-75 JT (Kudesnik), 2023

8/4K3/4p3/4k3/1P2p2P/4Q3/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qc5#
    • 1...Kf5
      • 2.Qg5#
  • Tries
    • 1.Kd7?
      • 1...Kd5
        • 2.Qc5#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kf6!
    • 1.Kf7?
      • 1...Kd5
        • 2.Qc5#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kd6!
    • 1.Kd8?
      • 1...Kd5
        • 2.Qc5#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kf6!
    • 1.Kf8?
      • 1...Kd5
        • 2.Qc5#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#
      • 1...Kd6!
    • 1.Qd2?
      • 1...Kf5
        • 2.Qg5#
      • 1...e3!
    • 1.Qf2?
      • 1...Kd5
        • 2.Qc5#
      • 1...e3!
    • 1.b5?
      • 1...Kf5
        • 2.Qg5#
      • 1...Kd5!
    • 1.h5?
      • 1...Kd5
        • 2.Qc5#
      • 1...Kf5!
  • Keys
    • 1.Ke8!
      • 1...Kd5
        • 2.Qc5#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kf6
        • 2.Qg5#

This is a version of 272287

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
        • K(b);N_GUARD,N_SPINP(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
        • K(b);N_GUARD,N_SPINP(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(A);N_PINP(a)
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR1(A)
      • Refutation
        • P(a);
    • Try
      • Q(A);N_PINP(a)
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR1(A)
      • Refutation
        • P(a);
    • Try
      • P(B);
      • Vars
        • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • P(C);
      • Vars
        • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • K(b);N_GUARD,N_SPINP(a),P-FLIGHT::QAR1(A)
      • K(b);N_GUARD,N_SPINP(a),S_FLIGHT::QAB1(A)
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).