MESON Chess Problem Database

Problem Display
PID: 233003 (Q7/3R4/3NB3/4kP2/1K6/8/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2004

Q7/3R4/3NB3/4kP2/1K6/8/8/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sc4#
      • 2.Qe4#
  • Tries
    • 1.Sc4+?
      • 1...Kf6
        • 2.Qd8#
      • 1...Kf4!
    • 1.Sf7+?
      • 1...Kf6
        • 2.Qa1#
        • 2.Qh8#
      • 1...Kf4!
    • 1.Rf7?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kxd6
        • 2.Qd5#
      • 1...Kf4!
    • 1.Qg2?
      • 1...Kd4
        • 2.Sc4#
        • 2.Qe4#
      • 1...Kf6
        • 2.Qg7#
      • 1...Kf4!
    • 1.Qf3?
      • 1...Kd4
        • 2.Sc4#
        • 2.Sf7#
        • 2.Qe4#
        • 2.Qc3#
      • 1...Kf6!
    • 1.Qd5+?
      • 1...Kf6
        • 2.Se4#
      • 1...Kf4!
  • Keys
    • 1.Rg7!
      • 1...Kd4
        • 2.Qe4#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kxd6
        • 2.Qd5#
      • 1...Kf6
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(F)
        • K(a);S_FLIGHT,XS(C)::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(E);
    • Vars
      • K(a);S_FLIGHT::QAR1(F)
      • K(a);S_FLIGHT,XS(C)::QAR1(F)
      • K(a);S_FLIGHT::QAB(F)
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