MESON Chess Problem Database

Problem Display
PID: 145650 (B3rn2/4R1p1/bR5b/3N1k1p/Q1p4P/4p3/K2P2Nr/B7 w - - 0 1)

Winter-Wood, Edward John

Liverpool Weekly Courier, 1906

(First published on Sat Dec 29 1906)

B3rn2/4R1p1/bR5b/3N1k1p/Q1p4P/4p3/K2P2Nr/B7

#2

10 + 10

5687 Sunday Express 1919
15254 EJWW Scrapbook 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Sg6
      • 2.Qd7#
    • 1...Sd7
      • 2.Qxd7#
    • 1...Sh7
      • 2.Qd7#
    • 1...c3
      • 2.Qe4#
    • 1...g5
      • 2.Sgxe3#
      • 2.Sdxe3#
  • Tries
    • 1.Rf7+?
      • 1...Ke4
        • 2.Qc2#
      • 1...Kg4!
    • 1.Qd7+?
      • 1...Se6
        • 2.Qxe6#
      • 1...Sxd7!
  • Keys
    • 1.Rg6!
      • threat
        • 2.Qc2#
      • 1...Kxg6
        • 2.Qc2#
      • 1...Rxh4
        • 2.Sxh4#
      • 1...Rxe7
        • 2.Sxe7#
      • 1...Sxg6
        • 2.Qd7#
      • 1...Bg5
        • 2.Rxg5#
      • 1...c3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(j);N_GUARD::QAB(E)
    • S(j);N_GUARD::QAB(E),XS(j)
    • P(c);OGATE::QAB1(E)
  • Tries
    • Try
      • R(I);CHECK
      • Vars
        • K(d);P_SPINP(c),S_FLIGHT::QAB(E)
      • Refutation
        • K(d);P_SPINP(c),S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • S(j);N_GUARD,P_SPINS(j)::QAB1(E),XS(j)
      • Refutation
        • S(j);XQ(E)
  • Actual
    • R(H);
    • Threat
      • QAB(E)
    • Vars
      • K(d);S_FLIGHT,XR(H)::QAB(E)
      • R(a);XP(F)::S(D),XR(a)
      • R(i);XR(I)::S(G),XR(i)
      • S(j);N_GUARD,SBLOCK,XR(H)::QAB(E)
      • B(g);N_GUARD::R1(H),XB(g)
      • P(c);OGATE::QAB1(E)
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