MESON Chess Problem Database

Problem Display
PID: 94988 (3K4/6pN/6p1/4k3/4P2B/1Q6/1P6/8 w - - 0 1)

Hudak, Stanislav

Pravda, 1999

3K4/6pN/6p1/4k3/4P2B/1Q6/1P6/8

#2

6 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qd5#
  • Tries
    • 1.Bg5?
      • threat
        • 2.Qd5#
      • 1...Kd4
        • 2.Qd5#
      • 1...Kd6
        • 2.Qd5#
      • 1...Kxe4!
    • 1.Qc4?
      • threat
        • 2.Bg3#
      • 1...Kd6
        • 2.Bg3#
        • 2.Qd5#
      • 1...Kf4!
  • Keys
    • 1.Sg5!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6
        • 2.Qd5#
      • 1...Kf6
        • 2.Qe6#
        • 2.Qc3#

FEATURES

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