MESON Chess Problem Database

Problem Display
PID: 238225 (2K5/3R4/5PP1/5k2/5P1R/8/2P2N2/5Q2 w - - 0 1)

Murashev, Pavel Aleksandrovich

Kudesnik, 2013

2K5/3R4/5PP1/5k2/5P1R/8/2P2N2/5Q2

#2

9 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sg4?
      • 1...Ke6
        • 2.f5#
      • 1...Kxg6
        • 2.Qd3#
      • 1...Ke4!
    • 1.Qd3+?
      • 1...Ke6
        • 2.Rd6#
      • 1...Kxf6!
    • 1.Qh3+?
      • 1...Kxg6
        • 2.Rh6#
      • 1...Kxf6!
    • 1.Qc4?
      • 1...Kxf6
        • 2.Qf7#
      • 1...Kxg6!
    • 1.Qb5+?
      • 1...Ke6
        • 2.Qe5#
      • 1...Kxg6
        • 2.Qg5#
      • 1...Kxf6!
    • 1.Qa1?
      • 1...Ke6
        • 2.Qe5#
      • 1...Kxg6!
  • Keys
    • 1.Se4!
      • 1...Kxe4
        • 2.Qd3#
      • 1...Ke6
        • 2.Qh3#
      • 1...Kxg6
        • 2.f5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);OGATE,S_FLIGHT::P(D)
        • K(a);S_FLIGHT,XP(G)::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::R1(H)
      • Refutation
        • K(a);P-FLIGHT,XP(F)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT,XP(G)::R1(E)
      • Refutation
        • K(a);P-FLIGHT,XP(F)
    • Try
      • Q(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(F)::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);OGATE,S_FLIGHT,XP(G)::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XP(F)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
  • Actual
    • S(C);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(A)
      • K(a);S_FLIGHT::QAB(A)
      • K(a);OGATE,S_FLIGHT,XP(G)::P(D)
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