MESON Chess Problem Database

Problem Display
PID: 160827 (1b6/5R2/3kp3/1p1p3K/7p/5P2/2Q2B2/3r4 w - - 0 1)

Williams, Philip Hamilton

Norwich Mercury, 1904

1b6/5R2/3kp3/1p1p3K/7p/5P2/2Q2B2/3r4

#2

5 + 7

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Ba7
      • 2.Qc7#
    • 1...Bc7
      • 2.Qxc7#
    • 1...e5
      • 2.Qg6#
  • Tries
    • 1.Bc5+?
      • 1...Ke5
        • 2.Qe2#
        • 2.Qh2#
        • 2.f4#
      • 1...Kc6!
  • Keys
    • 1.Ba7!
      • threat
        • 2.Bxb8#
      • 1...Ke5
        • 2.Qh2#
      • 1...Bxa7
        • 2.Qc7#
      • 1...d4
        • 2.Qc5#
      • 1...Bc7
        • 2.Qxc7#
      • 1...e5
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(g);N_GUARD::QAB1(A)
    • B(g);N_GUARD::QAB1(A),XB(g)
    • P(f);OGATEB,SBLOCK::QAR(A)
  • Tries
    • Try
      • B(B);CHECK
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • B(B);
    • Threat
      • B(B),XB(g)
    • Vars
      • K(e);S_FLIGHT::QAB(A)
      • B(g);N_GUARD,XB(B)::QAB1(A)
      • P(d);::QAB1(A)
      • B(g);N_GUARD::QAB1(A),XB(g)
      • P(f);OGATEB,SBLOCK::QAR(A)
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