MESON Chess Problem Database

Problem Display
PID: 114902 (5B2/1K3P2/1P6/3N2Q1/2k2Pp1/4P1N1/8/R7 w - - 0 1)

Avner, Uri

Retter, Yosef

Quicky-Bonn, 1992

5B2/1K3P2/1P6/3N2Q1/2k2Pp1/4P1N1/8/R7

#2

10 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5?
      • 1...Kb3
        • 2.Qc3#
      • 1...Kd3
        • 2.Qc3#
      • 1...Kb5!
    • 1.Qf5?
      • 1...Kb5
        • 2.Qd3#
      • 1...Kb3!
    • 1.Qg6?
      • 1...Kb5
        • 2.Qd3#
        • 2.Qc6#
      • 1...Kxd5
        • 2.Qe4#
        • 2.Qc6#
      • 1...Kb3!
  • Keys
    • 1.Qf6!
      • 1...Kb3
        • 2.Qc3#
      • 1...Kd3
        • 2.Qc3#
      • 1...Kb5
        • 2.Qc6#
      • 1...Kxd5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAB(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);S_FLIGHT::QAR1(F)
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);S_FLIGHT,XS(E)::QAB1(F)
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