MESON Chess Problem Database

Problem Display
PID: 259096 (2B5/8/5K2/2pkp3/8/4p1N1/1Q2P3/8 w - - 0 1)

Iuncu, Filaret

Buletin Problemistic, 1989

2B5/8/5K2/2pkp3/8/4p1N1/1Q2P3/8

#2

5 + 4

15601 Albrecht-Leiss-Degener Collection 2022
3713 Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Be6#
  • Tries
    • 1.Be6+?
      • 1...Kd6
        • 2.Qb6#
      • 1...Kc6!
    • 1.Qb5?
      • 1...Kd4
        • 2.Qd3#
      • 1...Kd6
        • 2.Qd7#
      • 1...e4!
  • Keys
    • 1.Se4!
      • 1...Kc4
        • 2.Be6#
      • 1...Kxe4
        • 2.Qxe5#
      • 1...Kc6
        • 2.Qb7#
      • 1...c4
        • 2.Bb7#

Anticipated by 154396(1988)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);N_GUARD,S_FLIGHT::B(E)
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(c);N_GUARD,P-FLIGHT::QAR2(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);P_PINP(b)
      • Vars
        • K(c);N_GUARD,N_SPINP(b),P-FLIGHT::QAR1(A)
      • Refutation
        • P(d);
  • Actual
    • S(C);
    • Vars
      • K(c);N_GUARD,S_FLIGHT::B(E)
      • K(c);N_GUARD,S_FLIGHT,XS(C)::QAR1(A),XP(d)
      • K(c);N_GUARD,S_FLIGHT::QAB1(A)
      • P(b);SBLOCK::B(E)
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