MESON Chess Problem Database

Problem Display
PID: 11605 (8/1K1N4/8/p7/k3p3/P3Q3/8/8 w - - 0 1)

Speckmann, Werner

Berliner Morgenpost, 1970

8/1K1N4/8/p7/k3p3/P3Q3/8/8

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Kb5
      • 2.Qb3#
  • Tries
    • 1.Qc3?
      • 1...Kb5
        • 2.Qb3#
        • 2.Qc6#
      • 1...e3!
    • 1.Qg3?
      • 1...Kb5
        • 2.Qb3#
      • 1...e3!
    • 1.Qh3?
      • 1...Kb5
        • 2.Qb3#
      • 1...e3!
  • Keys
    • 1.Sb6+!
      • 1...Kb5
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(B)
  • Tries
    • Try
      • Q(B);
      • Refutation
        • P(b);
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • P(b);
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • P(b);
  • Actual
    • S(D);CHECK
    • Vars
      • K(a);S_FLIGHT::QAR(B)
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