MESON Chess Problem Database

Problem Display
PID: 151659 (K4Q1b/1p6/p7/3N4/3kB1N1/Pq1Pn3/2P4R/3n2B1 w - - 0 1)

Winter-Wood, Edward John

Morning Post, 1914

(First published on Sun Aug 23 1914)

K4Q1b/1p6/p7/3N4/3kB1N1/Pq1Pn3/2P4R/3n2B1

#2

10 + 7

15254 EJWW Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qb4
      • 2.Qxb4#
    • 1...Sb2
      • 2.Bxe3#
    • 1...Sc3
      • 2.Bxe3#
  • Tries
    • 1.Qb4+?
      • 1...Qc4
        • 2.Qxc4#
      • 1...Qxb4!
    • 1.c3+?
      • 1...Sxc3
        • 2.Bxe3#
      • 1...Qxc3!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Se2#
      • 1...Kxc3
        • 2.Qxh8#
      • 1...Qxc2
        • 2.Qb4#
      • 1...Qxc3
        • 2.Qd6#
      • 1...Sxc3
        • 2.Bxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • Q(b);N_GUARD::QAR2(J),XQ(b)
    • S(a);N_GUARD::B(A),XS(c)
  • Tries
    • Try
      • Q(J);CHECK
      • Vars
        • Q(b);N_GUARD,P_SPINQ(b)::QAR1(J),XQ(b)
      • Refutation
        • Q(b);XQ(J)
    • Try
      • P(B);CHECK
      • Vars
        • S(a);XP(B)::B(A),XS(c)
      • Refutation
        • Q(b);XP(B)
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • K(d);N_SPINS(c),S_FLIGHT,XS(H)::QAB(J),XB(g)
      • Q(b);N_GUARD,XP(B)::QAR2(J)
      • Q(b);N_GUARD,SBLOCK,XS(H)::QAR2(J)
      • S(a);N_GUARD,SBLOCK,XS(H)::B(A),XS(c)
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