MESON Chess Problem Database

Problem Display
PID: 243955 (8/B7/8/8/5P2/Q3KR1p/3PP1kp/2R4n w - - 0 1)

Gvozdjak, Peter

Hlas l'udu, 1983

8/B7/8/8/5P2/Q3KR1p/3PP1kp/2R4n

#2

8 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sg3
      • 2.Rf2#
  • Tries
    • 1.Kd3?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2+!
    • 1.Kd4?
      • 1...Sf2
        • 2.Rg3#
      • 1...Sg3!
    • 1.Bd4?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Bc5?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Bb6?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Bb8?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Ra1?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Rb1?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Rd1?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Re1?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Rcf1?
      • 1...Sg3
        • 2.R3f2#
      • 1...Sf2!
    • 1.Qb2?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qb4?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qc5?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qd6?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qe7?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qf8?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qa1?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qa2?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qb3?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qc3?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qd3?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qa4?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qa5?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.Qa6?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.d3?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.d4?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
    • 1.f5?
      • 1...Sg3
        • 2.Rf2#
      • 1...Sf2!
  • Keys
    • 1.Ke4!
      • 1...Sf2+
        • 2.Rxf2#
      • 1...Sg3+
        • 2.Rxg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD,SBLOCK::R1(F)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);CHECK
    • Try
      • K(E);S_FLIGHT
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • B(H);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • B(H);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • B(H);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • B(H);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • Q(D);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • P(B);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • P(B);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
    • Try
      • P(G);
      • Vars
        • S(a);N_GUARD,SBLOCK::R1(F)
      • Refutation
        • S(a);
  • Actual
    • K(E);P-FLIGHT
    • Vars
      • S(a);CHECK,N_GUARD::R1(F),XS(a)
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