MESON Chess Problem Database

Problem Display
PID: 100019 (1N2R2N/8/4b3/4k3/1P2P2P/4R3/p7/K3Q3 w - - 0 1)

Neukomm, Gyula (Julius) R

4th Prize, Munkassakk, 1925

1N2R2N/8/4b3/4k3/1P2P2P/4R3/p7/K3Q3

#2

9 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc3#
    • 1...Kf4
      • 2.Qg3#
    • 1...Kd6
      • 2.Qg3#
    • 1...Kf6
      • 2.Qc3#
  • Tries
    • 1.Sa6?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kf6
        • 2.Qc3#
      • 1...Kd6!
    • 1.Sc6+?
      • 1...Kf4
        • 2.Qg3#
      • 1...Kf6
        • 2.Qc3#
      • 1...Kd6!
    • 1.Sd7+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6!
    • 1.Sg6+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kd6
        • 2.Qg3#
      • 1...Kf6!
    • 1.Sf7+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kf6!
    • 1.Rd3?
      • 1...Kf6
        • 2.Qc3#
      • 1...Kf4!
    • 1.Rf3?
      • 1...Kd6
        • 2.Qg3#
      • 1...Kd4!
    • 1.Rxe6+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kxe6!
    • 1.Qd2?
      • 1...Kf6
        • 2.Qc3#
        • 2.Qb2#
        • 2.Qd4#
      • 1...Kf4!
    • 1.Qf2?
      • 1...Kd6
        • 2.Qg3#
        • 2.Qh2#
        • 2.Qf4#
      • 1...Kd4!
    • 1.Qc3+?
      • 1...Kd6
        • 2.Qc5#
      • 1...Kf4!
    • 1.Qg3+?
      • 1...Kf6
        • 2.Qg5#
      • 1...Kd4!
    • 1.Qc1?
      • 1...Kd4
        • 2.Sc6#
        • 2.Qc3#
        • 2.Qc5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kf6
        • 2.Qb2#
        • 2.Qc3#
      • 1...Kf4!
    • 1.Qd1?
      • 1...Kf6
        • 2.Qd4#
      • 1...Kf4!
    • 1.Qf1?
      • 1...Kd6
        • 2.Qf4#
      • 1...Kd4!
    • 1.Qg1?
      • 1...Kf4
        • 2.Sg6#
        • 2.Qg3#
        • 2.Qg5#
      • 1...Kd6
        • 2.Qh2#
        • 2.Qg3#
      • 1...Kf6
        • 2.Qg5#
      • 1...Kd4!
    • 1.b5?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kf6
        • 2.Qc3#
      • 1...Kd6!
    • 1.h5?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6
        • 2.Qg3#
      • 1...Kf6!
  • Keys
    • 1.Qe2!
      • 1...Kd4
        • 2.Sc6#
      • 1...Kf4
        • 2.Sg6#
      • 1...Kd6
        • 2.Qh2#
      • 1...Kf6
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINB(c),S_FLIGHT::QAB1(B)
    • K(b);N_SPINB(c),S_FLIGHT::QAB(B)
  • Tries
    • Try
      • S(G);
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(B)
        • K(b);N_SPINB(c),S_FLIGHT::QAB(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • S(G);CHECK
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(B)
        • K(b);N_SPINB(c),S_FLIGHT::QAB(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • S(G);CHECK
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • S(I);CHECK
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(B)
        • K(b);N_SPINB(c),S_FLIGHT::QAB(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • S(I);CHECK
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • R(C);
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • R(C);
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • R(H);CHECK,XB(c)
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);P-FLIGHT,XR(H)
    • Try
      • Q(B);
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • P(D);
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(B)
        • K(b);N_SPINB(c),S_FLIGHT::QAB(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(b);N_SPINB(c),S_FLIGHT::QAB1(B)
        • K(b);N_SPINB(c),S_FLIGHT::QAB(B)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(b);N_SPINB(c),S_FLIGHT::S(G)
      • K(b);N_SPINB(c),S_FLIGHT::S(I)
      • K(b);N_SPINB(c),S_FLIGHT::QAB(B)
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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).