MESON Chess Problem Database

Problem Display
PID: 167321 (5Q2/8/3B1N2/8/8/3pk3/1N6/5K2 w - - 0 1)

Bruder, Wolfgang Alexander

Der Tagesspiegel (Berlin), 1996

5Q2/8/3B1N2/8/8/3pk3/1N6/5K2

#2

5 + 2

15148 Sadier Collection 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sc4+?
      • 1...Kf3
        • 2.Qa8#
      • 1...Kd4!
    • 1.Qh6+?
      • 1...Kf3
        • 2.Qf4#
        • 2.Qh3#
      • 1...Kd4!
    • 1.Qe7+?
      • 1...Kf3
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe5#
      • 1...Kd2!
    • 1.Qe8+?
      • 1...Kf3
        • 2.Qe4#
      • 1...Kd4
        • 2.Qe5#
      • 1...Kd2!
  • Keys
    • 1.Qc8!
      • 1...Kd2
        • 2.Bf4#
      • 1...Kf3
        • 2.Qh3#
      • 1...Kd4
        • 2.Qc5#
      • 1...d2
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(E)
        • K(b);S_FLIGHT::QAB1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(E)
        • K(b);S_FLIGHT::QAB1(E)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(b);S_FLIGHT::B(C)
      • K(b);P-FLIGHT::QAR2(E)
      • K(b);S_FLIGHT::QAB1(E)
      • P(a);OGATEB::QAR2(E)
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