MESON Chess Problem Database

Problem Display
PID: 223403 (2K2kN1/4pPp1/5bp1/6N1/3n4/5Q2/8/8 w - - 0 1)

Hasse, Paul

Wiener Hausfrauen-Zeitung, 1886

2K2kN1/4pPp1/5bp1/6N1/3n4/5Q2/8/8

#2

5 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Sh7#
  • Tries
    • 1.Sxf6?
      • threat
        • 2.Sd7#
        • 2.Sfh7#
      • 1...exf6
        • 2.Qa3#
      • 1...e5
        • 2.Qa3#
      • 1...e6
        • 2.Qa3#
      • 1...gxf6!
  • Keys
    • 1.Sxe7!
      • threat
        • 2.Sxg6#
      • 1...Kxe7
        • 2.Qa3#
      • 1...Bxe7
        • 2.Sh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(b);::S(B)
  • Tries
    • Try
      • S(E);XB(b)
      • Threat
        • DUALS(2)
      • Vars
        • P(d);OGATEB,XS(E)::QAB(A)
        • P(d);OGATEB::QAB(A)
      • Refutation
        • P(e);XS(E)
  • Actual
    • S(E);XP(d)
    • Threat
      • S(E),XP(c)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XS(E)::QAB(A)
      • B(b);SBLOCK,XS(E)::S(B)
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