MESON Chess Problem Database

Problem Display
PID: 258391 (8/K3B3/5R2/3Nk2p/b2N1n1r/1p3Q1r/1P5P/8 w - - 0 1)

Nield, Joshua

English Mechanic and World of Science, 1892

(First published on Fri Apr 15 1892)

8/K3B3/5R2/3Nk2p/b2N1n1r/1p3Q1r/1P5P/8

#2

8 + 7

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Sxc6#
  • Tries
    • 1.Re6+?
      • 1...Kxd4
        • 2.Qe4#
      • 1...Sxe6!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Qe4#
      • 1...Kxd4
        • 2.Qe4#
      • 1...Rxf3
        • 2.Sxf3#
      • 1...Bc6
        • 2.Sxc6#
      • 1...Se2
        • 2.Qd5#
      • 1...Sg2
        • 2.Qd5#
      • 1...Sd3
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Se6
        • 2.Qd5#
      • 1...Sg6
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD::S(D),XB(c)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(f);S_FLIGHT,XS(D)::QAR1(C)
      • Refutation
        • S(d);XR(F)
  • Actual
    • S(E);
    • Threat
      • QAR1(C)
    • Vars
      • K(f);S_FLIGHT,XS(D)::QAR1(C)
      • R(b);XQ(C)::S(D),XR(b)
      • B(c);N_GUARD::S(D),XB(c)
      • S(d);N_GUARD::QAR1(C)
      • S(d);N_GUARD::QAR1(C),XS(d)
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