MESON Chess Problem Database

Problem Display
PID: 271239 (3R4/6Q1/8/6P1/8/2B5/KP1n3R/2bk4 w - - 0 1)

Murarasu, Ion

Buletin Problemistic, 1995

3R4/6Q1/8/6P1/8/2B5/KP1n3R/2bk4

#2

7 + 3

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Rdxd2+?
      • 1...Ke1
        • 2.Rh1#
      • 1...Bxd2!
    • 1.Qa7?
      • 1...Ke1
        • 2.Qg1#
      • 1...Kc2
        • 2.Qa4#
      • 1...Bxb2!
    • 1.Qb7?
      • 1...Ke1
        • 2.Qh1#
      • 1...Kc2
        • 2.Qb3#
      • 1...Bxb2!
    • 1.Qd7?
      • 1...Kc2
        • 2.Qa4#
      • 1...Bxb2
        • 2.Qxd2#
      • 1...Ke1!
  • Keys
    • 1.Qd4!
      • 1...Ke1
        • 2.Qg1#
      • 1...Kc2
        • 2.Qa4#
      • 1...Bxb2
        • 2.Qxd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(G);CHECK,XS(c)
      • Vars
        • K(b);P-FLIGHT::R(C)
      • Refutation
        • B(a);XR(G)
    • Try
      • Q(F);
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR2(F)
        • K(b);N_GUARD,S_FLIGHT::QAB(F)
      • Refutation
        • B(a);XP(B)
    • Try
      • Q(F);
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR(F)
        • K(b);N_GUARD,S_FLIGHT::QAB1(F)
      • Refutation
        • B(a);XP(B)
    • Try
      • Q(F);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAB(F)
        • B(a);N_GUARD,XP(B)::QAR1(F),XS(c)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(b);N_GUARD,P-FLIGHT::QAR2(F)
      • K(b);N_GUARD,S_FLIGHT::QAB(F)
      • B(a);N_GUARD,XP(B)::QAR1(F),XS(c)
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