MESON Chess Problem Database

Problem Display
PID: 11600 (8/7K/8/8/4k3/6BB/3Q4/7b w - - 0 1)

Lokker, Miklosh S

Sp. Prize, 64 Shakhmatnoe obozrenie, 1970

8/7K/8/8/4k3/6BB/3Q4/7b

#2

4 + 2

3751 FIDE Album (1968-1970) 1977
2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qd3#
  • Tries
    • 1.Bf2?
      • 1...Kf3
        • 2.Qe3#
      • 1...Ke5
        • 2.Qd4#
      • 1...Bf3
        • 2.Qd4#
      • 1...Bg2!
    • 1.Bf1?
      • threat
        • 2.Qd3#
      • 1...Kf3
        • 2.Qf4#
      • 1...Kf5!
    • 1.Bf5+?
      • 1...Kf3
        • 2.Qf2#
      • 1...Kxf5!
    • 1.Qd4+?
      • 1...Kf3
        • 2.Qd3#
      • 1...Kxd4!
  • Keys
    • 1.Kg6!
      • 1...Kf3
        • 2.Qd3#
      • 1...Bg2
        • 2.Bxg2#
      • 1...Bf3
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAR2(A)
  • Tries
    • Try
      • B(B);
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
        • K(b);P-FLIGHT::QAB1(A)
        • B(a);SBLOCK::QAR1(A)
      • Refutation
        • B(a);
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT,XB(C)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
  • Actual
    • K(D);S_FLIGHT
    • Vars
      • K(b);S_FLIGHT::QAR2(A)
      • B(a);N_GUARD::B(C),XB(a)
      • B(a);SBLOCK::B(C)
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