MESON Chess Problem Database

Problem Display
PID: 238240 (8/8/5K2/6N1/8/2Bk4/3P4/QR6 w - - 0 1)

Murashev, Pavel Aleksandrovich

Kudesnik, 2015

8/8/5K2/6N1/8/2Bk4/3P4/QR6

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Re1?
      • 1...Kc2
        • 2.Qb1#
      • 1...Kc4!
    • 1.Rf1?
      • 1...Kc2
        • 2.Qb1#
      • 1...Ke2
        • 2.Qa6#
      • 1...Kc4!
    • 1.Rg1?
      • 1...Kc2
        • 2.Qb1#
      • 1...Ke2
        • 2.Qf1#
      • 1...Kc4!
    • 1.Rh1?
      • 1...Kc2
        • 2.Qb1#
      • 1...Ke2
        • 2.Qf1#
      • 1...Kc4!
    • 1.Rb4?
      • 1...Kc2
        • 2.Qb1#
      • 1...Ke2!
    • 1.Rb5?
      • 1...Kc2
        • 2.Qb1#
      • 1...Kc4
        • 2.Qf1#
      • 1...Ke2!
    • 1.Qb2?
      • 1...Kc4
        • 2.Qb5#
      • 1...Ke2!
    • 1.Qa5?
      • 1...Kc2
        • 2.Qf5#
      • 1...Kc4
        • 2.Qb5#
      • 1...Ke2!
    • 1.Qa8?
      • threat
        • 2.Qe4#
      • 1...Kc2
        • 2.Qe4#
      • 1...Ke2
        • 2.Qf3#
      • 1...Kc4!
  • Keys
    • 1.Qa7!
      • 1...Kc2
        • 2.Qh7#
      • 1...Ke2
        • 2.Qe3#
      • 1...Kc4
        • 2.Qd4#

FEATURES

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