MESON Chess Problem Database

Problem Display
PID: 245975 (R7/3K4/5k2/8/8/5P2/B1Q5/2B5 w - - 0 1)

Murashev, Pavel Aleksandrovich

Sem Shakhmatnikh not, 2015

R7/3K4/5k2/8/8/5P2/B1Q5/2B5

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bg5+?
      • 1...Ke5
        • 2.Qe4#
        • 2.Qc5#
      • 1...Kg7
        • 2.Rg8#
      • 1...Kxg5!
    • 1.Bb1?
      • 1...Kf7
        • 2.Qg6#
      • 1...Kg7
        • 2.Qg6#
      • 1...Ke5!
    • 1.Be6?
      • 1...Ke5
        • 2.Qb2#
        • 2.Qc3#
      • 1...Kg7!
    • 1.Ra4?
      • 1...Ke5
        • 2.Bb2#
      • 1...Kg7!
    • 1.Ra6+?
      • 1...Ke5
        • 2.Qe4#
        • 2.Qc5#
      • 1...Kg7!
    • 1.Rf8+?
      • 1...Ke5
        • 2.Bb2#
        • 2.Qe4#
        • 2.Qb2#
        • 2.Qc3#
        • 2.Qc5#
      • 1...Kg7!
    • 1.Rh8?
      • 1...Kg7
        • 2.Bb2#
      • 1...Ke5!
    • 1.Qb3?
      • 1...Kf5
        • 2.Qe6#
      • 1...Kg6
        • 2.Qf7#
      • 1...Kg7
        • 2.Qf7#
      • 1...Ke5!
    • 1.Qf5+?
      • 1...Kg7
        • 2.Rg8#
        • 2.Qf7#
      • 1...Kxf5!
    • 1.Qb2+?
      • 1...Kf5
        • 2.Bb1#
      • 1...Kg6!
    • 1.Qd2?
      • threat
        • 2.Qg5#
      • 1...Ke5
        • 2.Qf4#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kg7
        • 2.Qh6#
      • 1...Kg6!
    • 1.Qg2?
      • threat
        • 2.Qg5#
      • 1...Kf5
        • 2.Qg5#
      • 1...Ke5!
    • 1.Qc3+?
      • 1...Kf5
        • 2.Bb1#
      • 1...Kg6!
    • 1.Qc6+?
      • 1...Kf5
        • 2.Ra5#
        • 2.Qe6#
      • 1...Kg7
        • 2.Qh6#
      • 1...Ke5!
  • Keys
    • 1.Qc4!
      • 1...Ke5
        • 2.Qf4#
      • 1...Kf5
        • 2.Qe6#
      • 1...Kg6
        • 2.Qf7#
      • 1...Kg7
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • K(a);S_FLIGHT::R1(F)
      • Refutation
        • K(a);S_FLIGHT,XB(A)
    • Try
      • B(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • K(a);P-FLIGHT::QAB1(C)
      • K(a);S_FLIGHT::QAR1(C)
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