MESON Chess Problem Database

Problem Display
PID: 203322 (5K2/5P2/8/3pPkPp/3P1b1P/5R2/5P2/5Q2 w - - 0 1)

Neukomm, Gyula (Julius) R

Sp. Prize, Chess Amateur (The), 1924

5K2/5P2/8/3pPkPp/3P1b1P/5R2/5P2/5Q2

#2

9 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qd3#
    • 1...Kg4
      • 2.Qh3#
    • 1...Ke6
      • 2.Qh3#
    • 1...Kg6
      • 2.Qd3#
      • 2.Qb1#
  • Tries
    • 1.Ke7?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4
        • 2.Qh3#
      • 1...Kg6!
    • 1.Kg7?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4
        • 2.Qh3#
      • 1...Ke6!
    • 1.Ke8?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4
        • 2.Qh3#
      • 1...Ke6
        • 2.Qh3#
      • 1...Kg6!
    • 1.Kg8?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4
        • 2.Qh3#
      • 1...Kg6
        • 2.Qd3#
        • 2.Qb1#
      • 1...Ke6!
    • 1.Rxf4+?
      • 1...Ke6
        • 2.Qh3#
      • 1...Kg6
        • 2.Qd3#
        • 2.Qb1#
      • 1...Kxf4!
    • 1.Qa6?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4!
    • 1.Qh1?
      • 1...Kg4
        • 2.Qh3#
      • 1...Ke6
        • 2.Qh3#
      • 1...Kg6
        • 2.Qb1#
      • 1...Ke4!
    • 1.e6?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4
        • 2.Qh3#
      • 1...Kg6
        • 2.Qd3#
        • 2.Qb1#
      • 1...Kxe6!
    • 1.g6?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4
        • 2.Qh3#
      • 1...Ke6
        • 2.Qh3#
      • 1...Kxg6!
  • Keys
    • 1.Qc1!
      • 1...Ke4
        • 2.Qxf4#
      • 1...Kg4
        • 2.Qxf4#
      • 1...Ke6
        • 2.Qc8#
      • 1...Kg6
        • 2.Qb1#
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
    • K(c);N_SPINB(a),S_FLIGHT::QAB(A)
  • Tries
    • Try
      • K(I);S_FLIGHT
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);N_SPINB(a),S_FLIGHT
    • Try
      • K(I);S_FLIGHT
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);N_SPINB(a),S_FLIGHT
    • Try
      • K(I);P-FLIGHT
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
        • K(c);N_SPINB(a),S_FLIGHT::QAB(A)
      • Refutation
        • K(c);N_SPINB(a),S_FLIGHT
    • Try
      • K(I);P-FLIGHT
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);N_SPINB(a),S_FLIGHT
    • Try
      • R(C);CHECK,XB(a)
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);P-FLIGHT,XR(C)
    • Try
      • Q(A);
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);N_SPINB(a),S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
        • K(c);N_SPINB(a),S_FLIGHT::QAB(A)
      • Refutation
        • K(c);N_SPINB(a),S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);N_SPINB(a),S_FLIGHT,XP(F)
    • Try
      • P(G);
      • Vars
        • K(c);N_SPINB(a),S_FLIGHT::QAB1(A)
        • K(c);N_SPINB(a),S_FLIGHT::QAB(A)
      • Refutation
        • K(c);N_SPINB(a),S_FLIGHT,XP(G)
  • Actual
    • Q(A);
    • Vars
      • K(c);N_SPINB(a),S_FLIGHT::QAR1(A),XB(a)
      • K(c);N_SPINB(a),S_FLIGHT::QAB(A)
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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).