MESON Chess Problem Database

Problem Display
PID: 219597 (8/8/2p5/3p4/2Pk4/K7/7B/1Q3B2 w - - 0 1)

Hill, F Arthur

The Field, 1884

(First published on Sat Aug 9 1884)

8/8/2p5/3p4/2Pk4/K7/7B/1Q3B2

#2

5 + 3

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qd3#
      • 2.Qb2#
    • 1...c5
      • 2.Qd3#
  • Tries
    • 1.Bg1+?
      • 1...Kc3
        • 2.Qd3#
        • 2.Qc1#
        • 2.Qb2#
      • 1...Ke5!
    • 1.Qf5?
      • 1...Kc3
        • 2.Qd3#
      • 1...Ke3
        • 2.Qf4#
      • 1...dxc4
        • 2.Qe5#
      • 1...c5
        • 2.Qd3#
        • 2.Qe5#
      • 1...Kc5!
    • 1.Qe1?
      • threat
        • 2.Bg1#
      • 1...dxc4
        • 2.Qe5#
      • 1...Kc5!
    • 1.c5?
      • 1...Kc3
        • 2.Qd3#
        • 2.Qb2#
      • 1...Kxc5
        • 2.Qb4#
      • 1...Ke3!
  • Keys
    • 1.Qb8!
      • 1...Kc3
        • 2.Qb2#
      • 1...Ke3
        • 2.Qf4#
      • 1...Ke4
        • 2.Qf4#
      • 1...Kc5
        • 2.Qa7#
      • 1...dxc4
        • 2.Qe5#
      • 1...c5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::QAR1(A)
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAB1(A)
        • P(b);XP(E)::QAB1(A)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • B(C)
      • Vars
        • P(b);XP(E)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT,XP(E)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAB(A)
      • P(b);XP(E)::QAB1(A)
      • P(c);SBLOCK::QAB1(A)
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