MESON Chess Problem Database

Problem Display
PID: 110247 (8/5Q2/2N5/Pk6/1B2K3/2P5/8/8 w - - 0 1)

Labai, Zoltan

5th HM., Valuska-50 JT, 1997

8/5Q2/2N5/Pk6/1B2K3/2P5/8/8

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4+?
      • 1...Ka4
        • 2.Qa2#
        • 2.Qb3#
        • 2.Qe8#
        • 2.Qd7#
      • 1...Ka6!
    • 1.Sa7+?
      • 1...Ka4
        • 2.Qa2#
      • 1...Ka6!
    • 1.Sd8?
      • 1...Ka6
        • 2.Qb7#
      • 1...Ka4!
    • 1.Qc4+?
      • 1...Ka4
        • 2.Bc5#
        • 2.Bd6#
        • 2.Be7#
        • 2.Bf8#
      • 1...Kxc4!
    • 1.Qc7?
      • 1...Kc4
        • 2.Sd4#
      • 1...Ka6
        • 2.Qb6#
      • 1...Ka4!
  • Keys
    • 1.Qd7!
      • 1...Ka4
        • 2.Sd4#
      • 1...Kc4
        • 2.Qd5#
      • 1...Ka6
        • 2.Sb8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(F)
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAR(F)+S(E)
        • K(a);S_FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);S_FLIGHT::QAB(F)+S(E)
      • K(a);S_FLIGHT::QAB1(F)
      • K(a);S_FLIGHT::S(E)
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