MESON Chess Problem Database

Problem Display
PID: 218041 (1K6/p7/1p6/k7/8/P2Q4/1P6/8 w - - 0 1)

Ernst, Erich

Badische Neueste Nachrichten, 1996

1K6/p7/1p6/k7/8/P2Q4/1P6/8

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qc4?
      • 1...a6
        • 2.Qb4#
      • 1...b5!
    • 1.Qb3?
      • 1...Ka6
        • 2.Qa4#
      • 1...a6
        • 2.Qb4#
      • 1...b5!
    • 1.Qd4?
      • 1...Ka6
        • 2.Qa4#
      • 1...b5
        • 2.Qxa7#
      • 1...a6
        • 2.Qb4#
      • 1...Kb5!
  • Keys
    • 1.Qd7!
      • 1...Ka6
        • 2.Qa4#
      • 1...b5
        • 2.Qxa7#
      • 1...a6
        • 2.b4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • P(c);SBLOCK::QAB1(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
        • P(c);SBLOCK::QAB1(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR2(C)
        • P(b);OGATE,SBLOCK::QAR2(C),XP(c)
        • P(c);SBLOCK::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::QAR2(C)
      • P(b);SBLOCK::QAR2(C),XP(c)
      • P(c);SBLOCK::P(A)
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