MESON Chess Problem Database

Problem Display
PID: 238183 (2N4Q/P1kP4/7K/2N5/8/8/8/8 w - - 0 1)

Murashev, Pavel Aleksandrovich

Kudesnik, 2009

2N4Q/P1kP4/7K/2N5/8/8/8/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qa1?
      • 1...Kd8
        • 2.Qa5#
      • 1...Kc6!
    • 1.Qb2?
      • threat
        • 2.Qb6#
      • 1...Kd8
        • 2.Qb6#
      • 1...Kc6!
    • 1.Qc3?
      • 1...Kd8
        • 2.Qa5#
      • 1...Kc6!
    • 1.Qd4?
      • 1...Kd8
        • 2.Se6#
      • 1...Kc6!
    • 1.Qg7?
      • 1...Kd8
        • 2.Se6#
      • 1...Kc6!
    • 1.Qh7?
      • 1...Kd8
        • 2.Se6#
      • 1...Kc6!
    • 1.d8B+?
      • 1...Kxc8
        • 2.Ba5#
        • 2.Bb6#
        • 2.a8Q#
        • 2.a8R#
      • 1...Kc6!
  • Keys
    • 1.d8S!
      • 1...Kxc8
        • 2.Sde6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAB(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • K(a);S_FLIGHT::QAB(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAB(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::S(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::S(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::S(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(D);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(D);
    • Vars
      • K(a);P-FLIGHT,XS(E)::QAR(F)+S(D)
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