MESON Chess Problem Database

Problem Display
PID: 167322 (8/1N2pQ2/8/4k3/8/4K3/8/8 w - - 0 1)

Brozus, Hartmut

Der Tagesspiegel (Berlin), 1999

8/1N2pQ2/8/4k3/8/4K3/8/8

#2

3 + 2

15148 Sadier Collection 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...Kd6!
    • 1.Sd8?
      • threat
        • 2.Qe6#
      • 1...e6
        • 2.Qxe6#
      • 1...Kd6!
    • 1.Qf4+?
      • 1...Kd5
        • 2.Qe4#
      • 1...Ke6!
    • 1.Qxe7+?
      • 1...Kd5
        • 2.Qe4#
      • 1...Kf5!
  • Keys
    • 1.Qg6!
      • 1...Kd5
        • 2.Qe4#
      • 1...e6
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(C)
      • Vars
        • P(b);::QAR1(C),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Threat
        • QAR1(C)
      • Vars
        • P(b);::QAR1(C),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK,XP(b)
      • Vars
        • K(a);OGATE,P-FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::QAB1(C)
      • P(b);SBLOCK::QAR2(C)
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