MESON Chess Problem Database

Problem Display
PID: 238214 (5N1B/8/8/3k4/1K6/8/5R2/6Q1 w - - 0 1)

Murashev, Pavel Aleksandrovich

ChessStar, 2012

5N1B/8/8/3k4/1K6/8/5R2/6Q1

#2

5 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rf1?
      • 1...Ke4
        • 2.Qd4#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kc6!
    • 1.Rc2?
      • threat
        • 2.Qd4#
      • 1...Kd6
        • 2.Qc5#
      • 1...Ke4!
    • 1.Re2?
      • threat
        • 2.Qc5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kc6!
    • 1.Rf4?
      • threat
        • 2.Qc5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kc6!
    • 1.Qc1?
      • 1...Kd6
        • 2.Qc5#
      • 1...Ke4!
    • 1.Qd1+?
      • 1...Ke4
        • 2.Qf3#
        • 2.Qd4#
      • 1...Kc6!
    • 1.Qg3?
      • 1...Ke4
        • 2.Qf3#
      • 1...Kc6!
    • 1.Qg4?
      • threat
        • 2.Qe6#
      • 1...Kd6
        • 2.Qd7#
      • 1...Kc6!
    • 1.Qg7?
      • 1...Ke4
        • 2.Qd4#
      • 1...Kd6
        • 2.Qd7#
      • 1...Kc6!
  • Keys
    • 1.Rf7!
      • 1...Ke4
        • 2.Qd4#
      • 1...Kc6
        • 2.Qc5#
      • 1...Kd6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);P-FLIGHT::QAB1(A)
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