MESON Chess Problem Database

Problem Display
PID: 263812 (8/4Q3/1P2PK2/3kpP2/8/8/2P5/6B1 w - - 0 1)

Anonymous

Tijdschrift vd NSB, 1894

8/4Q3/1P2PK2/3kpP2/8/8/2P5/6B1

#2

7 + 2

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qc5#
    • 1...Kc6
      • 2.Qd7#
    • 1...e4
      • 2.Qc5#
  • Tries
    • 1.Kg6?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kc6
        • 2.Qd7#
      • 1...e4
        • 2.Qc5#
      • 1...Ke4!
    • 1.Kf7?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kc6
        • 2.Qd7#
      • 1...e4
        • 2.Qc5#
      • 1...Ke4!
    • 1.Kg7?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kc6
        • 2.Qd7#
      • 1...e4
        • 2.Qc5#
      • 1...Ke4!
    • 1.Bf2?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kc6
        • 2.Qd7#
      • 1...e4
        • 2.Qc5#
      • 1...Ke4!
    • 1.Be3?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kc6
        • 2.Qd7#
      • 1...e4
        • 2.Qc5#
      • 1...Ke4!
    • 1.Qb4?
      • 1...e4
        • 2.Qc5#
      • 1...Kc6!
    • 1.Qb7+?
      • 1...Kd6
        • 2.Qd7#
      • 1...Kc4!
    • 1.Qc7?
      • 1...e4
        • 2.Qc5#
        • 2.c4#
      • 1...Ke4!
    • 1.b7?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kc6
        • 2.Qd7#
      • 1...e4
        • 2.Qc5#
      • 1...Ke4!
  • Keys
    • 1.Kg5!
      • 1...Kc4
        • 2.Qc5#
      • 1...Ke4
        • 2.Qb7#
      • 1...Kc6
        • 2.Qd7#
      • 1...e4
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,S_FLIGHT::QAR1(G)
    • K(a);N_GUARD,S_FLIGHT::QAB1(G)
    • P(b);SBLOCK::QAR1(G)
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(G)
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
        • P(b);SBLOCK::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(G)
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
        • P(b);SBLOCK::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(G)
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
        • P(b);SBLOCK::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(G)
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
        • P(b);SBLOCK::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(G)
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
        • P(b);SBLOCK::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • P(b);SBLOCK::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(D);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(G)
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
        • P(b);SBLOCK::QAR1(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(F);S_FLIGHT
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAR1(G)
      • K(a);N_GUARD,S_FLIGHT::QAB(G)
      • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • P(b);SBLOCK::QAR1(G)
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