MESON Chess Problem Database

Problem Display
PID: 159850 (5B2/3Kn3/4Pk2/4N1p1/6p1/4N1P1/p7/Q7 w - - 0 1)

Andrew, Frederick William

Stratford Express, 1905

5B2/3Kn3/4Pk2/4N1p1/6p1/4N1P1/p7/Q7

#2

7 + 5

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.S3xg4#
      • 2.Sd5#
    • 1...Sg6
      • 2.S5xg4#
  • Tries
    • 1.Qf1+?
      • 1...Sf5
        • 2.S3xg4#
        • 2.Qxf5#
      • 1...Kxe5!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qh8#
      • 1...Kxe5
        • 2.Bg7#
      • 1...Sf5
        • 2.S3xg4#
      • 1...Sg6
        • 2.S5xg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(e);SBLOCK::QAB(A)+S(D),DCHECK,XP(b)
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • K(d);S_FLIGHT,XS(D)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • K(d);S_FLIGHT,XS(D)::B(G)
      • S(e);SBLOCK::S(B),XP(b)
      • S(e);SBLOCK::S(D),XP(b)
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