MESON Chess Problem Database

Problem Display
PID: 141416 (N7/5p2/5P2/1B1k2K1/R1b5/3Pn3/1Q6/2R3B1 w - - 0 1)

Markwick, Frederick W

East Ham Echo, 1901

(First published on Fri Apr 12 1901)

N7/5p2/5P2/1B1k2K1/R1b5/3Pn3/1Q6/2R3B1

#2

9 + 4

14867 BCPS Library 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qe5#
  • Tries
    • 1.Qd4+?
      • 1...Ke6
        • 2.Sc7#
        • 2.Bd7#
        • 2.Ra6#
      • 1...Kxd4!
  • Keys
    • 1.Qh2!
      • 1...Kd4
        • 2.Qd6#
      • 1...Kc5
        • 2.Qe5#
      • 1...Ke6
        • 2.Sc7#
      • 1...Bxd3
        • 2.Sc7#
      • 1...Bxb5
        • 2.Sc7#
      • 1...Sg4
        • 2.Sc7#
      • 1...Ba2
        • 2.Sc7#
      • 1...Bb3
        • 2.Sc7#
      • 1...Sd1
        • 2.Sc7#
      • 1...Sf1
        • 2.Sc7#
      • 1...Sc2
        • 2.Sc7#
      • 1...Sg2
        • 2.Sc7#
      • 1...Sf5
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT,P_SPINB(b),P_SPINS(a)::QAR2(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Refutation
        • K(c);P-FLIGHT,P_SPINB(b),P_SPINS(a),XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(c);P-FLIGHT,P_SPINB(b),P_SPINS(a)::QAR2(C)
      • K(c);S_FLIGHT::S(I)
      • B(b);XP(D)::S(I)
      • B(b);XB(F)::S(I)
      • S(a);::S(I)
      • B(b);::S(I)
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