MESON Chess Problem Database

Problem Display
PID: 265550 (8/8/6k1/5N2/2Q2K2/8/8/3B4 w - - 0 1)

Fokin, Mikhail

Kudesnik, 2022

8/8/6k1/5N2/2Q2K2/8/8/3B4

#2

4 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Ke5?
      • threat
        • 2.Qg8#
      • 1...Kg5
        • 2.Qg8#
        • 2.Qg4#
      • 1...Kh7!
    • 1.Bh5+?
      • 1...Kxh5
        • 2.Qf7#
      • 1...Kf6
        • 2.Qa6#
        • 2.Qf7#
        • 2.Qc6#
      • 1...Kh7!
    • 1.Qc3?
      • threat
        • 2.Qg7#
      • 1...Kh7
        • 2.Qg7#
      • 1...Kf7!
    • 1.Qd4?
      • threat
        • 2.Qg7#
      • 1...Kh7
        • 2.Qg7#
      • 1...Kf7!
  • Keys
    • 1.Bb3!
      • threat
        • 2.Qf7#
      • 1...Kh5
        • 2.Qf7#
      • 1...Kf6
        • 2.Qa6#
        • 2.Qe6#
        • 2.Qf7#
        • 2.Qc6#
      • 1...Kh7
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);CHECK
      • Vars
        • K(a);S_FLIGHT,XB(A)::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(A);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);S_FLIGHT::QAB(B)
      • K(a);N_GUARD,S_FLIGHT::QAB1(B)
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