MESON Chess Problem Database

Problem Display
PID: 265757 (1B1Q4/8/4p3/4R1RK/3p4/5p1N/5P1k/8 w - - 0 1)

Mlynka, Karol

Uris-60 JT (Problemas), 2022

1B1Q4/8/4p3/4R1RK/3p4/5p1N/5P1k/8

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kh1
      • 2.Re1#
  • Tries
    • 1.Kh4?
      • 1...Kh1
        • 2.Re1#
      • 1...d3!
    • 1.Kg6?
      • 1...Kh1
        • 2.Re1#
      • 1...Kxh3
        • 2.Qh8#
      • 1...d3!
    • 1.Re1+?
      • 1...Kxh3
        • 2.Rh1#
      • 1...e5!
    • 1.Re3+?
      • 1...Kh1
        • 2.Re1#
        • 2.Rg1#
      • 1...Kxh3
        • 2.Rxf3#
      • 1...e5!
    • 1.Re4+?
      • 1...Kh1
        • 2.Re1#
        • 2.Rg1#
      • 1...Kxh3
        • 2.Rh4#
      • 1...e5!
    • 1.Ref5+?
      • 1...Kh1
        • 2.Rg1#
      • 1...Kxh3
        • 2.Rxf3#
      • 1...e5!
    • 1.Rxe6+?
      • 1...Kh1
        • 2.Rg1#
        • 2.Re1#
      • 1...Kxh3!
    • 1.Rg1?
      • 1...Kxh3
        • 2.Qh4#
      • 1...d3!
    • 1.Rg4?
      • 1...Kh1
        • 2.Re1#
      • 1...Kxh3
        • 2.Qh4#
      • 1...d3!
    • 1.Rg6?
      • 1...Kh1
        • 2.Re1#
      • 1...Kxh3
        • 2.Qh4#
      • 1...d3!
    • 1.Rg7?
      • 1...Kh1
        • 2.Re1#
      • 1...Kxh3
        • 2.Qh4#
      • 1...d3!
    • 1.Rg8?
      • 1...Kh1
        • 2.Re1#
      • 1...Kxh3
        • 2.Qh4#
      • 1...d3!
    • 1.Qh8?
      • 1...Kh1
        • 2.Re1#
      • 1...Kxh3
        • 2.Kg6#
      • 1...d3!
  • Keys
    • 1.Qxd4!
      • 1...Kh1
        • 2.Re1#
      • 1...Kxh3
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,P-FLIGHT,S_CUTP(d)::R(C)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT,S_CUTP(d)::R(C)
      • Refutation
        • P(c);
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);N_GUARD,P-FLIGHT,S_CUTP(d)::R(C)
        • K(a);OGATEB,P-FLIGHT,XS(B)::QAR(G)
      • Refutation
        • P(c);
    • Try
      • R(C);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT,XS(B)::R(C)
      • Refutation
        • P(d);P_SPINP(d)
    • Try
      • R(C);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT,P_SPINP(b),S_CUTP(d),XS(B)::R(C),XP(b)
      • Refutation
        • P(d);P_SPINP(d)
    • Try
      • R(C);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT,S_CUTP(d),XS(B)::R1(C)
      • Refutation
        • P(d);P_SPINP(d)
    • Try
      • R(C);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT,S_CUTP(d)::R1(D)
        • K(a);N_GUARD,P-FLIGHT,S_CUTP(d),XS(B)::R(C),XP(b)
      • Refutation
        • P(d);P_SPINP(d)
    • Try
      • R(C);CHECK,XP(d)
      • Refutation
        • K(a);P-FLIGHT,XS(B)
    • Try
      • R(D);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(B)::QAR1(G)
      • Refutation
        • P(c);
    • Try
      • R(D);
      • Vars
        • K(a);N_GUARD,P-FLIGHT,S_CUTP(d)::R(C)
        • K(a);OGATEB,P-FLIGHT,XS(B)::QAR1(G)
      • Refutation
        • P(c);
    • Try
      • R(D);
      • Vars
        • K(a);N_GUARD,P-FLIGHT,S_CUTP(d)::R(C)
        • K(a);OGATEB,P-FLIGHT,XS(B)::QAR1(G)
      • Refutation
        • P(c);
    • Try
      • R(D);
      • Vars
        • K(a);N_GUARD,P-FLIGHT,S_CUTP(d)::R(C)
        • K(a);OGATEB,P-FLIGHT,XS(B)::QAR1(G)
      • Refutation
        • P(c);
    • Try
      • R(D);
      • Vars
        • K(a);N_GUARD,P-FLIGHT,S_CUTP(d)::R(C)
        • K(a);OGATEB,P-FLIGHT,XS(B)::QAR1(G)
      • Refutation
        • P(c);
    • Try
      • Q(G);
      • Vars
        • K(a);N_GUARD,P-FLIGHT,S_CUTP(d)::R(C)
        • K(a);P-FLIGHT,XS(B)::QAR(G)+K(E)
      • Refutation
        • P(c);
  • Actual
    • Q(G);XP(c)
    • Vars
      • K(a);N_GUARD,P-FLIGHT,S_CUTP(d)::R(C)
      • K(a);OGATEB,P-FLIGHT,XS(B)::QAR1(G)
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