MESON Chess Problem Database

Problem Display
PID: 154170 (1N6/4N3/Q2Pp2P/2P1k1p1/1B4P1/5K2/1b6/8 w - - 0 1)

Ansell, George Kirkpatrick

The Field, 1893

(First published on Sat May 6 1893)

1N6/4N3/Q2Pp2P/2P1k1p1/1B4P1/5K2/1b6/8

#2

9 + 4

15351 SCPF/BCPS Black Books 2015
15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sbc6#
    • 1...Ba1
      • 2.Qxa1#
    • 1...Bc1
      • 2.Bc3#
    • 1...Ba3
      • 2.Bc3#
    • 1...Bc3
      • 2.Bxc3#
    • 1...Bd4
      • 2.Sd7#
  • Tries
    • 1.Sec6+?
      • 1...Kd5
        • 2.Qa2#
      • 1...Kf6!
    • 1.Qe2+?
      • 1...Kd4
        • 2.Sbc6#
        • 2.Qe4#
      • 1...Kf6!
    • 1.Qa8?
      • 1...Kd4
        • 2.Qe4#
      • 1...Ba1
        • 2.Qxa1#
      • 1...Bc1
        • 2.Bc3#
      • 1...Ba3
        • 2.Bc3#
      • 1...Bc3
        • 2.Bxc3#
      • 1...Bd4
        • 2.Sd7#
      • 1...Kf6!
    • 1.h7?
      • threat
        • 2.h8Q#
        • 2.h8B#
      • 1...Kd4
        • 2.Sbc6#
      • 1...Ba1
        • 2.Qxa1#
        • 2.h8Q#
        • 2.h8B#
      • 1...Bc1
        • 2.Bc3#
        • 2.h8Q#
        • 2.h8B#
      • 1...Ba3
        • 2.Bc3#
        • 2.h8Q#
        • 2.h8B#
      • 1...Bc3
        • 2.Bxc3#
        • 2.h8Q#
        • 2.h8B#
      • 1...Bd4
        • 2.Sd7#
        • 2.h8Q#
        • 2.h8B#
      • 1...Kf6!
  • Keys
    • 1.Qf1!
      • 1...Kd4
        • 2.Sbc6#
      • 1...Kf6
        • 2.Ke4#
      • 1...Ba1
        • 2.Qxa1#
      • 1...Bc1
        • 2.Bc3#
      • 1...Ba3
        • 2.Bc3#
      • 1...Bc3
        • 2.Bxc3#
      • 1...Bd4
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(I)
    • B(a);OGATEB::QAB(E),XB(a)
    • B(a);N_GUARD::B(B)
    • B(a);N_GUARD::B(B),XB(a)
    • B(a);SBLOCK::S(I)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(b);S_FLIGHT::QAR1(E)
        • B(a);OGATEB::QAB(E),XB(a)
        • B(a);N_GUARD::B(B)
        • B(a);N_GUARD::B(B),XB(a)
        • B(a);SBLOCK::S(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(G);
      • Threat
        • P=Q
      • Vars
        • K(b);S_FLIGHT::S(I)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(b);S_FLIGHT::S(I)
      • K(b);S_FLIGHT::QAR(E)+K(A)
      • B(a);OGATEB::QAB(E),XB(a)
      • B(a);N_GUARD::B(B)
      • B(a);N_GUARD::B(B),XB(a)
      • B(a);SBLOCK::S(I)
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