MESON Chess Problem Database

Problem Display
PID: 230134 (5K2/2n2NB1/8/8/2BPkrQ1/2P5/4n1P1/8 w - - 0 1)

Nield, Joshua

Southend Times, 1938

(First published on Tue Jan 18 1938)

5K2/2n2NB1/8/8/2BPkrQ1/2P5/4n1P1/8

#2

8 + 4

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qxe2#
    • 1...Sb5
      • 2.Qe6#
    • 1...Sd5
      • 2.Qe6#
    • 1...Sa6
      • 2.Qe6#
    • 1...Se6+
      • 2.Qxe6#
    • 1...Sa8
      • 2.Qe6#
    • 1...Se8
      • 2.Qe6#
  • Tries
    • 1.Bd3+?
      • 1...Ke3
        • 2.Qxe2#
      • 1...Kd5
        • 2.Qd7#
      • 1...Kxd3!
  • Keys
    • 1.Bh6!
      • 1...Se6+
        • 2.Qxe6#
      • 1...Ke3
        • 2.Qxe2#
      • 1...Rxg4
        • 2.Sd6#
      • 1...Sxc3
        • 2.Qxf4#
      • 1...Sxd4
        • 2.Qxf4#
      • 1...Sc1
        • 2.Qxf4#
      • 1...Sg1
        • 2.Qxf4#
      • 1...Sg3
        • 2.Qxf4#
      • 1...Sb5
        • 2.Qe6#
      • 1...Sd5
        • 2.Qe6#
      • 1...Sa6
        • 2.Qe6#
      • 1...Sa8
        • 2.Qe6#
      • 1...Se8
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINR(c),P-FLIGHT::QAR1(E),XS(a)
    • S(d);N_GUARD::QAR2(E)
    • S(d);CHECK,N_GUARD::QAR2(E),XS(d)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(b);N_SPINR(c),P-FLIGHT::QAR1(E),XS(a)
        • K(b);N_SPINR(c),S_FLIGHT::QAR2(E)
      • Refutation
        • K(b);N_SPINR(c),S_FLIGHT,XB(C)
  • Actual
    • B(G);
    • Vars
      • S(d);CHECK,N_GUARD::QAR2(E),XS(d)
      • K(b);P-FLIGHT::QAR1(E),XS(a)
      • R(c);N_PINS(F),N_SPINR(c),XQ(E)::S(F)
      • S(a);N_GUARD,XP(B)::QAR1(E),XR(c)
      • S(a);N_GUARD,XP(D)::QAR1(E),XR(c)
      • S(a);N_GUARD::QAR1(E),XR(c)
      • S(d);N_GUARD::QAR2(E)
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