MESON Chess Problem Database

Problem Display
PID: 264896 (1N4K1/4p3/3k4/B7/2P5/3P4/5Q2/8 w - - 0 1)

Agostini, Valerio

Garofalo, Antonio

Sardella, Giuseppe

Coello-75 JT (Problemas), 2017

1N4K1/4p3/3k4/B7/2P5/3P4/5Q2/8

#2

6 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Bc7+?
      • 1...Ke6
        • 2.Qf7#
      • 1...Kxc7!
    • 1.Qf7?
      • threat
        • 2.Qd5#
      • 1...Kc5
        • 2.Qd5#
      • 1...e5
        • 2.Bb4#
      • 1...e6
        • 2.Qc7#
      • 1...Ke5!
    • 1.d4?
      • 1...e5
        • 2.Qf6#
      • 1...e6
        • 2.Qf8#
      • 1...Ke6!
  • Keys
    • 1.Kf7!
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Bc7#
      • 1...e5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT,XB(D)
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • P(b);SBLOCK::B(D)
        • P(b);OGATE,SBLOCK::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(B);
      • Vars
        • P(b);N_GUARD::QAR2(A)
        • P(b);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(F);S_FLIGHT
    • Threat
      • QAR2(A)
    • Vars
      • K(a);N_GUARD,S_FLIGHT::B(D)
      • P(b);SBLOCK::QAR2(A)
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