MESON Chess Problem Database

Problem Display
PID: 198919 (8/8/8/8/7p/4pk2/Q6B/4K2R w K - 0 1)

Daubler, Heinz

Augsburger Allgemeine Zeitung, 2001

(First published on Sat Oct 13 2001)

8/8/8/8/7p/4pk2/Q6B/4K2R

#2

4 + 3

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...e2
      • 2.Qxe2#
  • Tries
    • 1.Rf1+?
      • 1...Ke4
        • 2.Qc4#
      • 1...Kg4!
    • 1.Rg1?
      • threat
        • 2.Qd5#
        • 2.Qg2#
        • 2.Qa8#
      • 1...e2
        • 2.Qxe2#
      • 1...h3
        • 2.Qd5#
        • 2.Qa8#
      • 1...Ke4!
    • 1.0-0+?
      • 1...Ke4
        • 2.Qc4#
      • 1...Kg4!
  • Keys
    • 1.Qc4!
      • threat
        • 2.0-0#
      • 1...Kg2
        • 2.Qf1#
      • 1...e2
        • 2.Qxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(a);::QAB1(C),XP(a)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • DUALS(3)
      • Vars
        • P(a);::QAB1(C),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(A);0-0,CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(C);
    • Threat
      • 0-0
    • Vars
      • K(b);S_FLIGHT::QAB1(C)
      • P(a);::QAB1(C),XP(a)
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