MESON Chess Problem Database

Problem Display
PID: 19293 (7N/2K2p2/4k3/8/5Q2/1P3P2/8/8 w - - 0 1)

Schneider, Michael

Volksblatt Wurzburg, 1927

7N/2K2p2/4k3/8/5Q2/1P3P2/8/8

#2

5 + 2

2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qd6#
    • 1...Ke7
      • 2.Qxf7#
    • 1...f5
      • 2.Qd6#
    • 1...f6
      • 2.Qe4#
  • Tries
    • 1.Kc6?
      • 1...f5
        • 2.Qd6#
      • 1...f6
        • 2.Qe4#
      • 1...Ke7!
    • 1.Sxf7?
      • 1...Kd5
        • 2.Qe5#
        • 2.Qd6#
        • 2.Qc4#
      • 1...Ke7!
    • 1.Qf5+?
      • 1...Ke7
        • 2.Qxf7#
      • 1...Kxf5!
    • 1.Qf6+?
      • 1...Kd5
        • 2.Qd6#
      • 1...Kxf6!
  • Keys
    • 1.b4!
      • 1...Kd5
        • 2.Qe4#
      • 1...Ke7
        • 2.Qxf7#
      • 1...f5
        • 2.Qd6#
      • 1...f6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(C)
    • K(a);P-FLIGHT::QAR1(C),XP(b)
    • P(b);SBLOCK::QAR1(C)
    • P(b);SBLOCK::QAR2(C)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAR1(C)
        • P(b);SBLOCK::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(E);XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • P(A);
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • K(a);P-FLIGHT::QAR1(C),XP(b)
      • P(b);SBLOCK::QAR1(C)
      • P(b);SBLOCK::QAR2(C)
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