MESON Chess Problem Database

Problem Display
PID: 207113 (7b/3B4/3QNk2/5P2/7P/8/1p6/1K6 w - - 0 1)

Healey, Frank

A Collection of Two Hundred Chess Problems (Healey), 1866

7b/3B4/3QNk2/5P2/7P/8/1p6/1K6

#2

6 + 3

4817 English Mechanic and World of Science 1876
15239 Valois Notebooks 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Sc5#
      • 2.Sg5#
    • 1...Kf7
      • 2.Qf8#
    • 1...Bg7
      • 2.Sg5#
      • 2.Sd8#
  • Tries
    • 1.Be8?
      • 1...Bg7
        • 2.Sd4#
      • 1...Kxf5!
    • 1.Qc5?
      • 1...Kf7
        • 2.Qf8#
      • 1...Bg7!
    • 1.h5?
      • 1...Kxf5
        • 2.Qf4#
      • 1...Kf7
        • 2.Qf8#
      • 1...Bg7!
  • Keys
    • 1.Bc8!
      • 1...Kxf5
        • 2.Sc5#
        • 2.Sg5#
      • 1...Kf7
        • 2.Qf8#
      • 1...Bg7
        • 2.Sg5#
        • 2.Sd8#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR1(D)
  • Tries
    • Try
      • B(F);
      • Vars
        • B(c);SBLOCK::QAR(D)+S(E)
      • Refutation
        • K(b);P-FLIGHT,XP(C)
    • Try
      • Q(D);
      • Vars
        • K(b);P-FLIGHT::QAR1(D)
      • Refutation
        • B(c);
    • Try
      • P(B);
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(C)::QAR1(D)
        • K(b);P-FLIGHT::QAR1(D)
      • Refutation
        • B(c);
  • Actual
    • B(F);
    • Vars
      • K(b);P-FLIGHT::QAR1(D)
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