MESON Chess Problem Database

Problem Display
PID: 5974 (3Q4/8/8/8/K1P5/N1k5/5P2/b7 w - - 0 1)

von Gottschall, Hermann

Basler Nachrichten, 1926

3Q4/8/8/8/K1P5/N1k5/5P2/b7

#2

5 + 2

3295 Einfuhrung in die Welt des Schachproblem 1984
3713 Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kb2
      • 2.Qd2#
  • Tries
    • 1.Qb6?
      • 1...Kd3
        • 2.Qe3#
      • 1...Bb2
        • 2.Qe3#
      • 1...Kd2!
    • 1.Qd1?
      • 1...Kb2
        • 2.Qc2#
        • 2.Qd2#
      • 1...Bb2!
    • 1.Qd3+?
      • 1...Kb2
        • 2.Qc2#
        • 2.Qd2#
      • 1...Kxd3!
    • 1.Qd5?
      • 1...Kb2
        • 2.Qd2#
      • 1...Bb2!
    • 1.Qd6?
      • 1...Kb2
        • 2.Qd2#
      • 1...Bb2!
    • 1.Qd7?
      • 1...Kb2
        • 2.Qd2#
      • 1...Bb2!
    • 1.f3?
      • 1...Kb2
        • 2.Qd2#
      • 1...Bb2!
    • 1.f4?
      • 1...Kb2
        • 2.Qd2#
      • 1...Bb2!
    • 1.c5?
      • 1...Kb2
        • 2.Qd2#
      • 1...Bb2!
  • Keys
    • 1.Qg5!
      • 1...Kb2
        • 2.Qd2#
      • 1...Kd3
        • 2.Qe3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Bb2
        • 2.Qe3#

This anticipates 234450(2013)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAR2(E)
  • Tries
    • Try
      • Q(E);
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
        • B(a);SBLOCK::QAR2(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);
      • Refutation
        • B(a);
    • Try
      • Q(E);CHECK
      • Refutation
        • K(b);P-FLIGHT,XQ(E)
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • B(a);
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • B(a);
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • B(a);
    • Try
      • P(A);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • B(a);
    • Try
      • P(A);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • B(a);
    • Try
      • P(D);
      • Vars
        • K(b);S_FLIGHT::QAR2(E)
      • Refutation
        • B(a);
  • Actual
    • Q(E);
    • Vars
      • K(b);S_FLIGHT::QAR2(E)
      • K(b);P-FLIGHT::QAR1(E)
      • K(b);S_FLIGHT::QAB1(E)
      • B(a);SBLOCK::QAR2(E)
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