MESON Chess Problem Database

Problem Display
PID: 150341 (R5bQ/3pp1N1/P2k4/1B6/2P5/3P4/8/K4RB1 w - - 0 1)

Jespersen, Karl Lorenz Jesper

Hampstead and Highgate Express, 1895

(First published on Sat Nov 2 1895)

R5bQ/3pp1N1/P2k4/1B6/2P5/3P4/8/K4RB1

#2

10 + 4

14867 BCPS Library 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qh2#
    • 1...Kc7
      • 2.Se8#
    • 1...Bd5
      • 2.Qb8#
    • 1...Be6
      • 2.Se8#
      • 2.Qh2#
      • 2.Qb8#
    • 1...Bf7
      • 2.Qb8#
    • 1...Bh7
      • 2.Qb8#
  • Tries
    • 1.Bc5+?
      • 1...Ke5
        • 2.Rf5#
        • 2.Qh2#
        • 2.Qh5#
      • 1...Kc7
        • 2.Se8#
      • 1...Kxc5!
    • 1.Qh6+?
      • 1...Ke5
        • 2.Re1#
        • 2.Rf5#
        • 2.Qf4#
        • 2.Qh2#
      • 1...Kc7
        • 2.Se8#
        • 2.Bb6#
        • 2.Qb6#
      • 1...Be6
        • 2.Qf4#
        • 2.Qh2#
      • 1...e6!
    • 1.c5+?
      • 1...Ke5
        • 2.Rf5#
        • 2.Qh5#
      • 1...Kc7
        • 2.Se8#
      • 1...Kd5!
  • Keys
    • 1.Rf7!
      • 1...Ke5
        • 2.Qh2#
      • 1...Kc7
        • 2.Se8#
      • 1...Bxf7
        • 2.Qb8#
      • 1...Bh7
        • 2.Qb8#
      • 1...e5
        • 2.Rxd7#
      • 1...e6
        • 2.Se8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::QAB(J)
    • K(a);S_FLIGHT::S(H)
    • B(d);OGATE::QAB(J)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::S(H)
      • Refutation
        • K(a);S_FLIGHT,XB(C)
    • Try
      • Q(J);CHECK
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • P(E);CHECK
      • Vars
        • K(a);S_FLIGHT::S(H)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(a);S_FLIGHT::QAB(J)
      • K(a);S_FLIGHT::S(H)
      • B(d);OGATE,XR(B)::QAB(J)
      • B(d);OGATE::QAB(J)
      • P(c);OGATE,SBLOCK::R1(B),XP(b)
      • P(c);SBLOCK::S(H)
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