MESON Chess Problem Database

Problem Display
PID: 120777 (8/8/3p4/3Bk2P/7P/2K2Q2/6P1/8 w - - 0 1)

Vogel, Peter

Source?, 0000

8/8/3p4/3Bk2P/7P/2K2Q2/6P1/8

#2

6 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg4?
      • threat
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#
      • 1...Kxd5!
    • 1.Qe3+?
      • 1...Kf5
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#
      • 1...Kxd5!
    • 1.Qg3+?
      • 1...Kf5
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#
      • 1...Kxd5!
  • Keys
    • 1.Kb4!
      • 1...Kd4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAR2(C)
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT,XB(E)
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAR1(C)
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