MESON Chess Problem Database

Problem Display
PID: 156145 (5b2/1Q6/2NkP1PR/5B2/8/8/K4n2/6B1 w - - 0 1)

Blanchard, H

Leeds Mercury Weekly Supplement, 1880

(First published on Sat Jul 3 1880)

5b2/1Q6/2NkP1PR/5B2/8/8/K4n2/6B1

#2

8 + 3

15239 Valois Notebooks 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qd7#
    • 1...Sh1
      • 2.Qd7#
    • 1...Sd3
      • 2.Qd7#
    • 1...Sh3
      • 2.Qd7#
    • 1...Se4
      • 2.Qd7#
    • 1...Sg4
      • 2.Qd7#
  • Keys
    • 1.Be4!
      • 1...Kc5
        • 2.Qb4#
      • 1...Kxe6
        • 2.g7#
      • 1...Bxh6
        • 2.Qe7#
      • 1...Sxe4
        • 2.Qd7#
      • 1...Be7
        • 2.Qxe7#
      • 1...Bg7
        • 2.Qe7#
      • 1...Sd1
        • 2.Qd7#
      • 1...Sh1
        • 2.Qd7#
      • 1...Sd3
        • 2.Qd7#
      • 1...Sh3
        • 2.Qd7#
      • 1...Sg4
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(a);::QAR1(H)
  • Actual
    • B(C);
    • Vars
      • K(b);P_SPINS(a),S_FLIGHT::QAB1(H)
      • K(b);P-FLIGHT,XP(E)::R(G)+P(F)
      • B(c);N_GUARD,XR(G)::QAB1(H)
      • S(a);XB(C)::QAR1(H)
      • B(c);N_GUARD::QAB1(H),XB(c)
      • B(c);N_GUARD::QAB1(H)
      • S(a);::QAR1(H)
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