MESON Chess Problem Database

Problem Display
PID: 161392 (3B4/1pp5/8/bpkp1P2/1N3Q2/8/4K3/8 w - - 0 1)

Planck, Charles

Shoreditch Citizen, 1888

3B4/1pp5/8/bpkp1P2/1N3Q2/8/4K3/8

#2

5 + 6

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kb6
      • 2.Qd4#
    • 1...Bb6
      • 2.Be7#
    • 1...b6
      • 2.Be7#
    • 1...c6
      • 2.Sd3#
  • Tries
    • 1.Kd3?
      • 1...Kb6
        • 2.Qd4#
      • 1...Bxb4
        • 2.Qxc7#
      • 1...d4
        • 2.Qxd4#
      • 1...Bb6
        • 2.Be7#
      • 1...b6
        • 2.Be7#
      • 1...c6!
    • 1.Qd4+?
      • 1...Kd6
        • 2.Qxd5#
      • 1...Kxd4!
  • Keys
    • 1.Ke3!
      • 1...d4+
        • 2.Qxd4#
      • 1...Kb6
        • 2.Qd4#
      • 1...Bxb4
        • 2.Qxc7#
      • 1...Bb6
        • 2.Be7#
      • 1...b6
        • 2.Be7#
      • 1...c6
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINP(f),S_FLIGHT::QAB(C)
    • B(a);SBLOCK::B(E)
    • P(e);SBLOCK::B(E)
    • P(f);SBLOCK::S(B)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(c);P_SPINP(f),S_FLIGHT::QAB(C)
        • B(a);N_GUARD,SBLOCK,XS(B)::QAR2(C),XP(f)
        • P(d);::QAB1(C),XP(d)
        • B(a);SBLOCK::B(E)
        • P(e);SBLOCK::B(E)
      • Refutation
        • P(f);
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P_SPINP(d),S_FLIGHT::QAR1(C),XP(d)
      • Refutation
        • K(c);S_FLIGHT,XQ(C)
  • Actual
    • K(A);P-FLIGHT
    • Vars
      • P(d);CHECK::QAB1(C),XP(d)
      • K(c);P_SPINP(f),S_FLIGHT::QAB(C)
      • B(a);N_GUARD,SBLOCK,XS(B)::QAR2(C),XP(f)
      • B(a);SBLOCK::B(E)
      • P(e);SBLOCK::B(E)
      • P(f);SBLOCK::S(B)
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