MESON Chess Problem Database

Problem Display
PID: 245946 (2Q5/8/4PP2/2P1k3/2B1N3/1P3K2/8/8 w - - 0 1)

Kopyl, Valery Volodimirovich

Kudesnik, 2015

2Q5/8/4PP2/2P1k3/2B1N3/1P3K2/8/8

#2

8 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qa6?
      • 1...Kd4
        • 2.Qa1#
        • 2.Qd6#
      • 1...Kf5!
    • 1.Qb7?
      • threat
        • 2.Qd5#
      • 1...Kd4
        • 2.Qd5#
      • 1...Kf5!
    • 1.Qc6?
      • threat
        • 2.Qd5#
      • 1...Kd4
        • 2.Qd5#
        • 2.Qd6#
      • 1...Kf5!
    • 1.Qc7+?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf5!
    • 1.Qa8?
      • threat
        • 2.Qd5#
      • 1...Kd4
        • 2.Qd5#
        • 2.Qa1#
      • 1...Kf5!
    • 1.Qb8+?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf5!
    • 1.Qe8?
      • 1...Kf5
        • 2.Qh5#
      • 1...Kd4!
    • 1.Qf8?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf5!
    • 1.Qg8?
      • 1...Kf5
        • 2.Qg5#
      • 1...Kd4!
    • 1.f7?
      • 1...Kd4
        • 2.Qh8#
      • 1...Kf5!
  • Keys
    • 1.Qh8!
      • 1...Kd4
        • 2.f7#
      • 1...Kf5
        • 2.Qh5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(H);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • K(a);S_FLIGHT::QAR1(H)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(H);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(H)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(H);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(H)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(a);P-FLIGHT::QAR2(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(a);S_FLIGHT::QAR2(H)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(a);P-FLIGHT::QAR1(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(G);
      • Vars
        • K(a);S_FLIGHT::QAB(H)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(H);
    • Vars
      • K(a);S_FLIGHT::QAB(H)+P(G)
      • K(a);P-FLIGHT::QAR2(H)
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