MESON Chess Problem Database

Problem Display
PID: 104713 (8/5N2/5p2/8/1P2k3/6K1/4B3/Q7 w - - 0 1)

Dukic, Milenko

Siklosi, Pal

Pedagogusok Lapja, 1976

8/5N2/5p2/8/1P2k3/6K1/4B3/Q7

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Qe5#
  • Tries
    • 1.Bc4?
      • 1...Kf5
        • 2.Qb1#
      • 1...f5
        • 2.Qe5#
      • 1...Ke3!
    • 1.Qc3?
      • threat
        • 2.Qd3#
      • 1...Kd5
        • 2.Qc4#
      • 1...Kf5!
    • 1.Qd4+?
      • 1...Kf5
        • 2.Qg4#
      • 1...Kxd4!
    • 1.Qb1+?
      • 1...Ke3
        • 2.Qd3#
      • 1...Kd4
        • 2.Qd3#
      • 1...Kd5!
    • 1.Qd1?
      • threat
        • 2.Qd3#
      • 1...Ke3
        • 2.Qd3#
      • 1...Kf5!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qd3#
      • 1...Ke3
        • 2.Qd3#
      • 1...Kd4
        • 2.Qd3#
      • 1...Kd5
        • 2.Qc4#
      • 1...Kf5
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(b);N_GUARD::QAR1(A)
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
        • P(b);N_GUARD::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);S_FLIGHT::B(B)
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