MESON Chess Problem Database

Problem Display
PID: 93792 (Q7/8/2p3K1/3k1P2/p2p4/1P1p2B1/3P4/8 w - - 0 1)

Kadourek, Eduard

Sachove umeni (Ceskoslovensky sach), 1952

Q7/8/2p3K1/3k1P2/p2p4/1P1p2B1/3P4/8

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qxc6#
    • 1...Kc5
      • 2.Qa5#
  • Tries
    • 1.Qa5+?
      • 1...c5
        • 2.Qa8#
      • 1...Ke4!
    • 1.Qd8+?
      • 1...Kc5
        • 2.Qa5#
      • 1...Ke4!
  • Keys
    • 1.Qxa4!
      • 1...Ke4
        • 2.Qxc6#
      • 1...Kc5
        • 2.Qa5#
      • 1...c5
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::QAB(F),XP(e)
    • K(d);N_SPINP(e),P-FLIGHT::QAR2(F)
  • Tries
    • Try
      • Q(F);CHECK,N_PINP(e)
      • Vars
        • P(e);OGATEB,P_SPINP(e),SBLOCK::QAB(F)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(F);CHECK,N_PINP(e)
      • Vars
        • K(d);P-FLIGHT::QAR2(F)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(F);N_PINP(e),XP(b)
    • Vars
      • K(d);P_SPINP(c),S_FLIGHT::QAB(F),XP(e)
      • K(d);P-FLIGHT::QAR2(F)
      • P(e);OGATEB,SBLOCK::QAB(F)
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