MESON Chess Problem Database

Problem Display
PID: 106260 (2B5/8/8/8/8/4Q3/4N3/Kb1k4 w - - 0 1)

Lokker, Miklosh S

Karacsonyi lap, 1967

2B5/8/8/8/8/4Q3/4N3/Kb1k4

#2

4 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Sc3#
  • Tries
    • 1.Ba6?
      • threat
        • 2.Qc1#
      • 1...Ke1
        • 2.Sc3#
      • 1...Kc2
        • 2.Qd3#
      • 1...Bd3!
  • Keys
    • 1.Bg4!
      • threat
        • 2.Sd4#
        • 2.Qc1#
      • 1...Ke1
        • 2.Sg3#
      • 1...Kc2
        • 2.Sd4#
      • 1...Bd3
        • 2.Qc1#
      • 1...Be4
        • 2.Qc1#
      • 1...Bf5
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(a);SBLOCK::S(B)
  • Tries
    • Try
      • B(D);
      • Threat
        • QAR1(C)
      • Vars
        • K(b);P-FLIGHT::QAR(C)+S(B)
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • B(a);
  • Actual
    • B(D);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);P-FLIGHT::QAR(C)+S(B)
      • K(b);S_FLIGHT::S(B)
      • B(a);::QAR1(C)
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