MESON Chess Problem Database

Problem Display
PID: 150982 (2r5/1n1pQ1P1/1R5n/r2kN1K1/q2B1R2/1N6/B1P3b1/8 w - - 0 1)

Winter-Wood, Edward John

Devon and Exeter Gazette, 1909

(First published on Tue Nov 16 1909)

2r5/1n1pQ1P1/1R5n/r2kN1K1/q2B1R2/1N6/B1P3b1/8

#2

10 + 8

15254 EJWW Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd4
      • 2.Rxd4#
    • 1...Sg4
      • 2.Qf7#
    • 1...Sf5
      • 2.Qf7#
    • 1...Sf7+
      • 2.Qxf7#
    • 1...Sg8
      • 2.Qf7#
    • 1...Sc5
      • 2.Rd6#
      • 2.Qd6#
    • 1...Sd6
      • 2.Rxd6#
      • 2.Qxd6#
    • 1...Sd8
      • 2.Rd6#
      • 2.Qd6#
  • Tries
    • 1.Sc5+?
      • 1...Qb3
        • 2.Bxb3#
      • 1...Qc4
        • 2.Bxc4#
      • 1...Qxa2!
    • 1.Sg4?
      • threat
        • 2.Se3#
      • 1...Kc4+
        • 2.Sxa5#
      • 1...Sf7+
        • 2.Qxf7#
      • 1...Qxd4
        • 2.Rxd4#
      • 1...Sxg4
        • 2.Qf7#
      • 1...Sf5
        • 2.Qf7#
      • 1...Rc3!
    • 1.Qxd7+?
      • 1...Sd6
        • 2.Rxd6#
        • 2.Qxd6#
      • 1...Qxd7!
    • 1.g8Q+?
      • 1...Sf7+
        • 2.Qgxf7#
        • 2.Qexf7#
      • 1...Sxg8
        • 2.Qf7#
      • 1...Rxg8+!
    • 1.g8B+?
      • 1...Sf7+
        • 2.Bxf7#
        • 2.Qxf7#
      • 1...Sxg8
        • 2.Qf7#
      • 1...Rxg8+!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Se3#
      • 1...Kxc4+
        • 2.Sxa5#
      • 1...Sf7+
        • 2.Qxf7#
      • 1...Qxc4
        • 2.Qe5#
      • 1...Rxc4
        • 2.Qe5#
      • 1...Sg4
        • 2.Qf7#
      • 1...Sf5
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • Q(b);OGATE,XB(D)::R1(E),XQ(b)
    • S(e);N_GUARD::QAB(I)
    • S(e);CHECK,N_GUARD::QAB(I),XS(e)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • Q(b);N_GUARD,P_SPINQ(b)::B(A),XQ(b)
      • Refutation
        • Q(b);XB(A)
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • K(d);CHECK,S_FLIGHT::B(A)+S(C),DCHECK,XR(c)
        • S(e);CHECK,N_GUARD::QAB(I),XS(e)
        • Q(b);OGATE,XB(D)::R1(E),XQ(b)
        • S(e);N_GUARD,XS(F)::QAB(I)
        • S(e);N_GUARD::QAB(I)
      • Refutation
        • R(h);
    • Try
      • Q(I);CHECK,XP(g)
      • Refutation
        • Q(b);XQ(I)
    • Try
      • P(J);CHECK
      • Vars
        • S(e);N_GUARD,XQ(J)::QAB(I)
      • Refutation
        • R(h);CHECK,XQ(J)
    • Try
      • P(J);CHECK
      • Vars
        • S(e);N_GUARD,XB(J)::QAB(I)
      • Refutation
        • R(h);CHECK,XB(J)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(d);CHECK,S_FLIGHT,XS(F)::B(A)+S(C),DCHECK,XR(c)
      • S(e);CHECK,N_GUARD::QAB(I),XS(e)
      • Q(b);SBLOCK,XS(F)::QAR1(I)
      • R(h);SBLOCK,XS(F)::QAR1(I)
      • S(e);N_GUARD::QAB(I)
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