MESON Chess Problem Database

Problem Display
PID: 206151 (4K3/8/2pNp3/B1kbp3/4Qb2/6p1/n4N2/8 w - - 0 1)

CW of Sunbury (Charles White)

Land and Water, 1872

(First published on Sat Nov 23 1872)

4K3/8/2pNp3/B1kbp3/4Qb2/6p1/n4N2/8

#2

5 + 8

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Qb4#
    • 1...Sc3
      • 2.Qb4#
    • 1...Sb4
      • 2.Qxb4#
  • Keys
    • 1.Qd3!
      • threat
        • 2.Sb7#
      • 1...Kxd6
        • 2.Se4#
      • 1...Bc4
        • 2.Sfe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • S(a);N_GUARD::QAB1(B)
    • S(a);N_GUARD::QAB1(B),XS(a)
  • Actual
    • Q(B);
    • Threat
      • S(D)
    • Vars
      • K(d);P_SPINB(e),S_FLIGHT,XS(D)::S(A)
      • B(e);N_GUARD::S(A)
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