MESON Chess Problem Database

Problem Display
PID: 202792 (B7/2nr1N2/1Pqpp3/1p1N4/2p1k1K1/8/n3P3/1b1Q2b1 w - - 0 1)

Nield, Joshua

Western Daily Mercury, 1919

(First published on Fri Dec 5 1919)

B7/2nr1N2/1Pqpp3/1p1N4/2p1k1K1/8/n3P3/1b1Q2b1

#2

7 + 11

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.Sf6#
    • 1...Bd4
      • 2.Qh1#
    • 1...e5
      • 2.Sg5#
  • Keys
    • 1.e3!
      • threat
        • 2.Qd4#
      • 1...Qxb6
        • 2.Qxb1#
      • 1...Bxe3
        • 2.Sf6#
      • 1...Bd3
        • 2.Qf3#
      • 1...Qc5
        • 2.Qxb1#
      • 1...e5
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(b);SBLOCK::S(D)
    • B(b);OGATE,SBLOCK::QAB(A)
    • P(i);SBLOCK::S(F)
  • Actual
    • P(B);
    • Threat
      • QAR1(A)
    • Vars
      • Q(g);XP(E)::QAB(A),XB(a)
      • B(b);SBLOCK,XP(B)::S(D)
      • B(a);SBLOCK::QAB1(A)
      • Q(g);::QAB(A),XB(a)
      • P(i);SBLOCK::S(F)
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