MESON Chess Problem Database

Problem Display
PID: 154626 (5BB1/3p4/8/3pkp2/7Q/3b4/3P3K/8 w - - 0 1)

Williams, Philip Hamilton

Devon and Exeter Gazette, 1906

5BB1/3p4/8/3pkp2/7Q/3b4/3P3K/8

#2

5 + 5

15351 SCPF/BCPS Black Books 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.d4#
    • 1...Bf1
      • 2.d4#
    • 1...Bc2
      • 2.d4#
    • 1...Be2
      • 2.d4#
    • 1...Bc4
      • 2.d4#
    • 1...Bb5
      • 2.d4#
    • 1...Ba6
      • 2.d4#
    • 1...d6
      • 2.Bg7#
  • Tries
    • 1.Bc5?
      • threat
        • 2.Qd4#
      • 1...Be4
        • 2.d4#
      • 1...d4
        • 2.Qxd4#
      • 1...f4!
  • Keys
    • 1.Kg3!
      • 1...f4+
        • 2.Qxf4#
      • 1...Be4
        • 2.Qh8#
      • 1...Bb1
        • 2.d4#
      • 1...Bf1
        • 2.d4#
      • 1...Bc2
        • 2.d4#
      • 1...Be2
        • 2.d4#
      • 1...Bc4
        • 2.d4#
      • 1...Bb5
        • 2.d4#
      • 1...Ba6
        • 2.d4#
      • 1...d4
        • 2.Qe7#
      • 1...d6
        • 2.Bg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::P(A)
    • P(e);SBLOCK::B(D)
  • Tries
    • Try
      • B(D);
      • Threat
        • QAB1(C)
      • Vars
        • B(a);OGATE::P(A)
        • P(b);::QAB1(C),XP(b)
      • Refutation
        • P(d);
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • P(d);CHECK::QAB1(C),XP(d)
      • B(a);SBLOCK::QAB(C)
      • B(a);OGATE::P(A)
      • P(b);SBLOCK::QAR2(C)
      • P(e);SBLOCK::B(D)
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