MESON Chess Problem Database

Problem Display
PID: 167770 (n5N1/1R6/3pp3/3kr2p/1P1p4/1K3R2/7B/Q7 w - - 0 1)

Todd, William R

Leeds Mercury, 1904

(First published on Mon Feb 22 1904)

n5N1/1R6/3pp3/3kr2p/1P1p4/1K3R2/7B/Q7

#2

7 + 7

14868 Pirnie Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Se7#
  • Keys
    • 1.Qh1!
      • threat
        • 2.Rf5#
      • 1...Re3+
        • 2.Rxe3#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kc6
        • 2.Rc3#
      • 1...d3
        • 2.Rxd3#
      • 1...Re4
        • 2.Se7#
      • 1...Rf5
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(c);SBLOCK::S(G)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)+R(D)
    • Vars
      • R(c);CHECK,N_GUARD::QAB(A)+R(D),XR(c)
      • K(b);S_FLIGHT::S(G)
      • K(b);S_FLIGHT::QAB(A)+R(D),DCHECK
      • P(a);::QAB(A)+R(D),DCHECK,XP(a)
      • R(c);SBLOCK::S(G)
      • R(c);::QAB(A)+R(D),DCHECK,XR(c)
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