MESON Chess Problem Database

Problem Display
PID: 178761 (8/8/8/P7/4p3/k1K1Q3/8/8 w - - 0 1)

Hultberg, Gustav Herbert

Springaren, 1984

8/8/8/P7/4p3/k1K1Q3/8/8

#2

3 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qc1+?
      • 1...Ka2
        • 2.Qb2#
      • 1...Ka4!
    • 1.Qc5+?
      • 1...Ka4
        • 2.Qb4#
      • 1...Ka2!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qb3#
      • 1...Ka2
        • 2.Qb2#
      • 1...Ka4
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
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