MESON Chess Problem Database

Problem Display
PID: 154516 (4k2K/3pbp1N/1B6/8/5N2/8/4Q3/2n5 w - - 0 1)

Hoeg, Nils

Horsens Avis, 1900

4k2K/3pbp1N/1B6/8/5N2/8/4Q3/2n5

#2

5 + 5

4035 Aarsskrift for DSK 1935
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Qb5#
    • 1...d6
      • 2.Qb5#
    • 1...f5
      • 2.Qh5#
    • 1...f6
      • 2.Qh5#
  • Tries
    • 1.Kg7?
      • threat
        • 2.Sf6#
      • 1...f6
        • 2.Sxf6#
        • 2.Qh5#
      • 1...Sxe2!
    • 1.Kg8?
      • threat
        • 2.Sf6#
      • 1...f6
        • 2.Sxf6#
        • 2.Qh5#
      • 1...Sxe2!
    • 1.Sd5?
      • threat
        • 2.Sdf6#
        • 2.Qxe7#
      • 1...f5
        • 2.Qh5#
        • 2.Qxe7#
      • 1...f6
        • 2.Qh5#
        • 2.Qxe7#
      • 1...Sxe2!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sg7#
      • 1...dxe6
        • 2.Qb5#
      • 1...fxe6
        • 2.Qh5#
      • 1...d5
        • 2.Qb5#
      • 1...d6
        • 2.Qb5#
      • 1...f5
        • 2.Qh5#
      • 1...f6
        • 2.Qh5#

This anticipates 189960(1913)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::QAB(A)
    • P(d);OGATEB::QAB(A)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • S(D)
      • Refutation
        • S(a);N_SPINB(c),XQ(A)
    • Try
      • K(E);P-FLIGHT
      • Threat
        • S(D)
      • Refutation
        • S(a);N_SPINB(c),XQ(A)
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Refutation
        • S(a);N_SPINB(c),XQ(A)
  • Actual
    • S(B);N_PINB(c)
    • Threat
      • S(B)
    • Vars
      • P(b);OGATEB,XS(B)::QAB(A)
      • P(d);OGATEB,XS(B)::QAB(A)
      • P(b);OGATEB::QAB(A)
      • P(d);OGATEB::QAB(A)
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