MESON Chess Problem Database

Problem Display
PID: 24362 (8/8/8/1p4B1/8/p1kP4/p1B2K2/N2Q4 w - - 0 1)

Shinkman, William Anthony

Elmira Telegram, 1883

8/8/8/1p4B1/8/p1kP4/p1B2K2/N2Q4

#2

6 + 4

3925 The Golden Argosy 1929
3310 2345 Chess Problems 1997
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kb2
      • 2.Bf6#
    • 1...b4
      • 2.Bf6#
  • Tries
    • 1.Ke3?
      • 1...Kb2
        • 2.Bf6#
      • 1...b4
        • 2.Bf6#
      • 1...Kb4!
    • 1.Bd2+?
      • 1...Kb2
        • 2.Qc1#
      • 1...Kd4!
    • 1.Be3?
      • 1...Kb2
        • 2.Bd4#
      • 1...Kb4
        • 2.Qe1#
        • 2.Qd2#
      • 1...b4!
    • 1.Be7?
      • 1...Kb2
        • 2.Bf6#
      • 1...b4
        • 2.Bf6#
      • 1...Kd4!
    • 1.Qg4?
      • 1...Kb2
        • 2.Qd4#
      • 1...b4!
    • 1.Qe1+?
      • 1...Kb2
        • 2.Bf6#
        • 2.Qe5#
      • 1...Kd4!
    • 1.Qd2+?
      • 1...Kb2
        • 2.Bf6#
      • 1...Kd4!
  • Keys
    • 1.Qh5!
      • 1...Kb2
        • 2.Qh8#
      • 1...Kb4
        • 2.Bd2#
      • 1...Kd4
        • 2.Bf6#
      • 1...b4
        • 2.Qh8#

This anticipates 120132(1916)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::B(F)
    • P(d);SBLOCK::B(F)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(c);S_FLIGHT::B(F)
        • P(d);SBLOCK::B(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(F);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(c);S_FLIGHT::B(F)
      • Refutation
        • P(d);
    • Try
      • B(F);
      • Vars
        • K(c);S_FLIGHT::B(F)
        • P(d);SBLOCK::B(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(c);S_FLIGHT::QAB(B)
      • Refutation
        • P(d);
    • Try
      • Q(B);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT::B(F)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(c);S_FLIGHT::QAB(B)
      • K(c);S_FLIGHT::B(F)
      • P(d);SBLOCK::QAB(B)
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