MESON Chess Problem Database

Problem Display
PID: 181813 (6KB/pNn1NQ2/5P2/4kP2/8/r4PPn/8/1q2r3 w - - 0 1)

Wynne, Frank Wilson

1st Prize, Tidskrift for Schack, 1905

6KB/pNn1NQ2/5P2/4kP2/8/r4PPn/8/1q2r3

#2

9 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf5
      • 2.Sc6#
    • 1...Sb5
      • 2.Qd5#
    • 1...Sd5
      • 2.Qxd5#
    • 1...Sa6
      • 2.Qd5#
    • 1...Sa8
      • 2.Qd5#
    • 1...Se8
      • 2.Qd5#
  • Keys
    • 1.Qb3!
      • threat
        • 2.f7#
      • 1...Kd4
        • 2.Sc6#
      • 1...Qxf5
        • 2.Sc6#
      • 1...Ra6
        • 2.Qc3#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Se6
        • 2.Qd5#
      • 1...Se8
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • Q(a);SBLOCK,XP(C)::S(F)
    • S(g);N_GUARD::QAR1(G)
    • S(g);N_GUARD::QAR1(G),XS(g)
  • Actual
    • Q(G);
    • Threat
      • B(I)+P(D)
    • Vars
      • K(e);S_FLIGHT::S(F)
      • Q(a);SBLOCK,XP(C)::S(F)
      • R(c);N_GUARD::QAB(G)
      • S(g);N_GUARD::QAR1(G),XS(g)
      • S(g);N_GUARD::QAR1(G)
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