MESON Chess Problem Database

Problem Display
PID: 154695 (2NQ4/r1p2p2/1Pp2N2/4kP1n/1pp3P1/1p4P1/8/2B1Kn2 w - - 0 1)

Wynne, Frank Wilson

British Chess Magazine, 1903

2NQ4/r1p2p2/1Pp2N2/4kP1n/1pp3P1/1p4P1/8/2B1Kn2

#2

9 + 10

14986 White-Hume Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Bxf4#
      • 2.gxf4#
    • 1...Sg7
      • 2.Bf4#
    • 1...cxb6
      • 2.Qd6#
  • Tries
    • 1.Sxa7?
      • threat
        • 2.Sxc6#
      • 1...c5
        • 2.Sc6#
      • 1...Sxf6!
    • 1.Qd5+?
      • 1...Kxf6
        • 2.Qd4#
      • 1...cxd5!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Sd7#
      • 1...Kxf6
        • 2.Qd4#
      • 1...Sxf6
        • 2.Bf4#
      • 1...cxd3
        • 2.Bb2#
      • 1...cxb6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(f);N_GUARD::B(A)
    • P(i);N_GUARD,XP(F)::QAB1(I)
  • Tries
    • Try
      • S(H);XR(h)
      • Threat
        • S(H),XP(g)
      • Vars
        • P(g);::S(H)
      • Refutation
        • S(f);XS(G)
    • Try
      • Q(I);CHECK
      • Vars
        • K(e);S_FLIGHT,XS(G)::QAB(I)
      • Refutation
        • P(g);XQ(I)
  • Actual
    • Q(I);
    • Threat
      • S(G)
    • Vars
      • K(e);S_FLIGHT,XS(G)::QAB(I)
      • S(f);N_GUARD,SBLOCK,XS(G)::B(A)
      • P(d);N_GUARD,XQ(I)::B(A)
      • P(i);N_GUARD,XP(F)::QAB1(I)
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