MESON Chess Problem Database

Problem Display
PID: 11610 (K7/6B1/8/2N1Nk2/8/2P5/8/2Q5 w - - 0 1)

Lokker, Miklosh S

Deutsche Schachzeitung, 1970

K7/6B1/8/2N1Nk2/8/2P5/8/2Q5

#2

6 + 1

3296 Shakhmatny zadachi miniaturi 1987
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bh6?
      • threat
        • 2.Qf4#
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#
      • 1...Kxe5!
    • 1.Qd1?
      • threat
        • 2.Qg4#
      • 1...Kg5
        • 2.Qg4#
      • 1...Kf4!
  • Keys
    • 1.Bf8!
      • 1...Kxe5
        • 2.Qg5#
      • 1...Kf6
        • 2.Qf4#

Anticipated by 4968(1895), 176183(1966)

This anticipates 28619(1992)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT,XS(D)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(a);P-FLIGHT,XS(D)::QAR2(A)
      • K(a);P-FLIGHT::QAR2(A)
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