MESON Chess Problem Database

Problem Display
PID: 149229 (1B6/4p1Q1/2pN4/3k4/8/3K4/8/8 w - - 0 1)

Abdullayev, Suleyman

Kudesnik, 2013

1B6/4p1Q1/2pN4/3k4/8/3K4/8/8

#2

4 + 3

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qd4#
    • 1...e6
      • 2.Qd4#
  • Tries
    • 1.Qg5+?
      • 1...Ke6
        • 2.Qf5#
      • 1...e5!
    • 1.Qxe7?
      • 1...c5
        • 2.Qe4#
      • 1...Kc5!
  • Keys
    • 1.Qg4!
      • 1...Kc5
        • 2.Qd4#
      • 1...Ke5
        • 2.Qf5#
      • 1...exd6
        • 2.Qf5#
      • 1...c5
        • 2.Qe4#
      • 1...e5
        • 2.Qc4#
      • 1...e6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAB1(C)
    • P(c);SBLOCK::QAR1(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • Q(C);XP(c)
      • Vars
        • P(b);SBLOCK::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::QAB1(C)
      • K(a);P-FLIGHT::QAR1(C)
      • P(c);N_GUARD,XS(B)::QAR2(C)
      • P(b);SBLOCK::QAB1(C)
      • P(c);SBLOCK::QAB1(C)
      • P(c);SBLOCK::QAR1(C)
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