MESON Chess Problem Database

Problem Display
PID: 11949 (8/b1B5/8/3K4/8/7B/3Q1p2/7k w - - 0 1)

Lokker, Miklosh S

Shakhmaty v SSSR, 1973

8/b1B5/8/3K4/8/7B/3Q1p2/7k

#2

4 + 3

3296 Shakhmatny zadachi miniaturi 1987
2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...f1Q
      • 2.Qh2#
    • 1...f1S
      • 2.Qg2#
    • 1...f1B
      • 2.Qh2#
    • 1...f1R
      • 2.Qg2#
      • 2.Qh2#
  • Tries
    • 1.Qf4?
      • threat
        • 2.Qh2#
      • 1...Kg1
        • 2.Qh2#
      • 1...f1S!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qf1#
      • 1...Kg1
        • 2.Qf1#
      • 1...f1Q
        • 2.Qh2#
      • 1...f1S
        • 2.Qg2#
      • 1...f1B
        • 2.Qh2#
      • 1...f1R
        • 2.Qg2#
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATE::QAR1(A)
    • P(b);OGATE::QAB1(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • P(b);
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • K(a);P-FLIGHT::QAR1(A)
      • P(b);OGATE::QAR1(A)
      • P(b);OGATE::QAB1(A)
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