MESON Chess Problem Database

Problem Display
PID: 207020 (3B4/8/8/2NpN3/3k4/8/4K3/7Q w - - 0 1)

Diossy, Ladislav

Vasarnapi Ujsag, 1861

3B4/8/8/2NpN3/3k4/8/4K3/7Q

#2

5 + 2

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qf3?
      • threat
        • 2.Qe3#
      • 1...Kxe5
        • 2.Qf6#
      • 1...Kxc5!
    • 1.Qxd5+?
      • 1...Kc3
        • 2.Qd2#
      • 1...Kxd5!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qe3#
      • 1...Kc3
        • 2.Qd2#
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qf6#

This anticipates 4507(1873)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(D)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • Q(A);CHECK,XP(b)
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(A)
      • K(a);OGATEB,S_FLIGHT,XS(D)::QAB1(A)
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