MESON Chess Problem Database

Problem Display
PID: 273942 (6k1/5p2/5P2/7B/8/8/8/KQ6 w - - 0 1)

Zimmer, Eligiusz

diagrammes, 2000

6k1/5p2/5P2/7B/8/8/8/KQ6

#2

4 + 2

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Qb8#
  • Tries
    • 1.Ka2?
      • 1...Kf8
        • 2.Qb8#
      • 1...Kh8!
    • 1.Bd1?
      • 1...Kf8
        • 2.Qb8#
      • 1...Kh8!
    • 1.Be2?
      • 1...Kf8
        • 2.Qb8#
      • 1...Kh8!
    • 1.Bf3?
      • 1...Kf8
        • 2.Qb8#
      • 1...Kh8!
    • 1.Bg4?
      • 1...Kf8
        • 2.Qb8#
      • 1...Kh8!
    • 1.Bg6?
      • threat
        • 2.Qb8#
      • 1...Kf8
        • 2.Qb8#
      • 1...Kh8
        • 2.Qb8#
      • 1...fxg6!
    • 1.Qc2?
      • 1...Kf8
        • 2.Qc8#
      • 1...Kh8!
    • 1.Qd3?
      • 1...Kf8
        • 2.Qd8#
      • 1...Kh8!
    • 1.Qe4?
      • 1...Kf8
        • 2.Qa8#
      • 1...Kh8!
    • 1.Qf5?
      • 1...Kf8
        • 2.Qc8#
      • 1...Kh8!
    • 1.Qg6+?
      • 1...Kf8
        • 2.Qxf7#
      • 1...Kh8
        • 2.Qg7#
      • 1...fxg6!
    • 1.Qh7+?
      • 1...Kf8
        • 2.Qxf7#
        • 2.Qh8#
      • 1...Kxh7!
    • 1.Qg1+?
      • 1...Kh7
        • 2.Qg7#
      • 1...Kh8
        • 2.Qg7#
      • 1...Kf8!
  • Keys
    • 1.Qh1!
      • 1...Kh7
        • 2.Bxf7#
      • 1...Kf8
        • 2.Qa8#
      • 1...Kh8
        • 2.Bxf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);N_GUARD,P-FLIGHT::QAR(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Threat
        • QAR(B)
      • Vars
        • K(b);P-FLIGHT::QAR(B)
      • Refutation
        • P(a);XB(C)
    • Try
      • Q(B);
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR1(B),XP(a)
        • K(b);P-FLIGHT::QAB1(B)
      • Refutation
        • P(a);XQ(B)
    • Try
      • Q(B);CHECK
      • Refutation
        • K(b);S_FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(B)
        • K(b);P-FLIGHT::QAB1(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(b);N_GUARD,S_FLIGHT::QAR(B)+B(C),XP(a)
      • K(b);N_GUARD,P-FLIGHT::QAR(B)
      • K(b);N_GUARD,P-FLIGHT::QAR(B)+B(C),XP(a)
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