MESON Chess Problem Database

Problem Display
PID: 219437 (8/3Q4/8/8/8/2pK4/8/3k4 w - - 0 1)

Ernst, Erich

Badische Neueste Nachrichten, 1996

8/3Q4/8/8/8/2pK4/8/3k4

#2

2 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qg4+?
      • 1...Ke1
        • 2.Qe2#
        • 2.Qg1#
      • 1...Kc1!
    • 1.Qd4?
      • threat
        • 2.Qg1#
      • 1...Ke1
        • 2.Qg1#
      • 1...Kc1!
    • 1.Qg7?
      • threat
        • 2.Qg1#
      • 1...Ke1
        • 2.Qg1#
      • 1...Kc1!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qg1#
        • 2.Qa1#
      • 1...Kc1
        • 2.Qa1#
      • 1...Ke1
        • 2.Qg1#
      • 1...c2
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR(B)
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR(B)
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);P-FLIGHT::QAR2(B)
      • P(b);::QAR(B)
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