MESON Chess Problem Database

Problem Display
PID: 214546 (1N6/4p3/1p2p2p/1K1pkP2/7Q/5P2/8/2B5 w - - 0 1)

Bolus, Andrew

English Mechanic and World of Science, 1877

(First published on Fri Oct 14 1887)

1N6/4p3/1p2p2p/1K1pkP2/7Q/5P2/8/2B5

#2

6 + 6

6490 yacpdb 2020
15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sc6+?
      • 1...Kd6
        • 2.Qxe7#
      • 1...Kxf5!
    • 1.Sd7+?
      • 1...Kxf5
        • 2.Qg4#
        • 2.Qh5#
      • 1...Kd6!
  • Keys
    • 1.Qxh6!
      • 1...Kd4
        • 2.Qe3#
      • 1...Kxf5
        • 2.Qg5#
      • 1...Kd6
        • 2.Bf4#
      • 1...exf5
        • 2.Sc6#
      • 1...d4
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(C),XP(f)
      • Refutation
        • K(b);P-FLIGHT,XP(E)
    • Try
      • S(F);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(C);XP(e)
    • Vars
      • K(b);S_FLIGHT::QAB1(C)
      • K(b);OGATEB,P-FLIGHT,XP(E)::QAR1(C)
      • K(b);P_SPINP(d),S_FLIGHT::B(A)
      • P(d);SBLOCK,XP(E)::S(F)
      • P(a);SBLOCK::QAR1(C),XP(d)
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