MESON Chess Problem Database

Problem Display
PID: 268838 (1B6/3QK2p/R6P/6kp/3P3p/7R/8/8 w - - 0 1)

Degenkolbe, Mirko

Troll, 2022

(First published on Wed Jun 22 2022)

1B6/3QK2p/R6P/6kp/3P3p/7R/8/8

#2

7 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Bd6?
      • 1...Kg6
        • 2.Bf4#
      • 1...Kxh6!
    • 1.Ra5+?
      • 1...Kg6
        • 2.Qc6#
        • 2.Qe6#
        • 2.Qd6#
      • 1...Kxh6!
    • 1.Re6?
      • 1...Kg4
        • 2.Rg6#
      • 1...Kf5!
    • 1.Qd6?
      • threat
        • 2.Qf4#
      • 1...Kf5
        • 2.Qf4#
      • 1...Kg4!
    • 1.Qc7?
      • threat
        • 2.Qf4#
      • 1...Kf5
        • 2.Qf4#
      • 1...Kg4!
  • Keys
    • 1.Ke6!
      • threat
        • 2.Qg7#
      • 1...Kg4
        • 2.Kf6#
      • 1...Kg6
        • 2.Qg7#
      • 1...Kxh6
        • 2.Kf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);
      • Vars
        • K(b);N_GUARD,P-FLIGHT::R(C)+B(G)
      • Refutation
        • K(b);S_FLIGHT,XP(D)
    • Try
      • R(C);CHECK
      • Refutation
        • K(b);S_FLIGHT,XP(D)
    • Try
      • R(C);
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAB(E)+R(C),DCHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(F);P-FLIGHT
    • Threat
      • QAR2(E)
    • Vars
      • K(b);P-FLIGHT::QAB(E)+K(F)
      • K(b);P-FLIGHT::QAR1(E)
      • K(b);S_FLIGHT,XP(D)::R(C)+K(F)
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