MESON Chess Problem Database

Problem Display
PID: 57620 (8/5p2/3p4/3pkNR1/8/QB6/8/7K w - - 0 1)

Hill, F Arthur

The Chess Review, 1936

8/5p2/3p4/3pkNR1/8/QB6/8/7K

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qxd6#
  • Tries
    • 1.Bc2?
      • threat
        • 2.Qxd6#
      • 1...Kf4
        • 2.Qe3#
        • 2.Qg3#
      • 1...Ke6
        • 2.Qxd6#
      • 1...Kf6!
  • Keys
    • 1.Qa7!
      • 1...Ke4
        • 2.Qe3#
      • 1...Kf4
        • 2.Qe3#
      • 1...Ke6
        • 2.Qe7#
      • 1...Kf6
        • 2.Qe7#
      • 1...d4
        • 2.Qxd4#
      • 1...f6
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,P_SPINP(a)::QAR1(B),XP(c)
  • Tries
    • Try
      • B(C);
      • Threat
        • QAB1(B),XP(c)
      • Vars
        • K(b);P-FLIGHT::QAR1(B),XP(c)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(b);P-FLIGHT::QAR1(B)
      • K(b);S_FLIGHT::QAB1(B)
      • K(b);P-FLIGHT,P_SPINP(a)::QAR1(B)
      • P(a);::QAB1(B),XP(a)
      • P(d);SBLOCK::QAR2(B)
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