MESON Chess Problem Database

Problem Display
PID: 87375 (8/3Q4/3N4/P2p2P1/3k4/8/3K4/8 w - - 0 1)

Svetec, Srdan

Problemista, 1966

8/3Q4/3N4/P2p2P1/3k4/8/3K4/8

#2

5 + 2

6490 yacpdb 2009
5454 Near Snap 2014
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qa4+?
      • 1...Kc5
        • 2.Sb7#
      • 1...Ke5!
    • 1.Qg4+?
      • 1...Ke5
        • 2.Sf7#
      • 1...Kc5!
    • 1.Qb7?
      • 1...Kc5
        • 2.Qb6#
      • 1...Ke5!
    • 1.Qf7?
      • 1...Ke5
        • 2.Qf6#
      • 1...Kc5!
  • Keys
    • 1.Qd8!
      • 1...Kc5
        • 2.Qb6#
      • 1...Ke5
        • 2.Qf6#

Anticipated by 243087(1960)

This anticipates 46748(1973)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);S_FLIGHT::QAB1(E)
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