MESON Chess Problem Database

Problem Display
PID: 145783 (3N4/Pnkp3R/p2N1Qb1/P1np4/4p1B1/3p4/8/1K6 w - - 0 1)

Winter-Wood, Edward John

Hampstead and Highgate Express, 1907

(First published on Sat Mar 2 1907)

3N4/Pnkp3R/p2N1Qb1/P1np4/4p1B1/3p4/8/1K6

#2

8 + 9

15254 EJWW Scrapbook 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Rxd7#
    • 1...Sa4
      • 2.Rxd7#
  • Tries
    • 1.Sb5+?
      • 1...Kc8
        • 2.a8Q#
        • 2.a8R#
      • 1...axb5!
    • 1.Se8+?
      • 1...Kc8
        • 2.a8Q#
        • 2.a8R#
      • 1...Bxe8!
  • Keys
    • 1.Qb2!
      • threat
        • 2.Qb6#
      • 1...Kxd6
        • 2.Qh2#
      • 1...Kxd8
        • 2.Qb6#
      • 1...Sxa5
        • 2.Qb8#
      • 1...Sxd6
        • 2.Qb8#
      • 1...Sb3
        • 2.Rxd7#
      • 1...Sa4
        • 2.Rxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::R1(G),XP(i)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(h);P-FLIGHT::P=Q
      • Refutation
        • P(e);XS(D)
    • Try
      • S(D);CHECK
      • Vars
        • K(h);P-FLIGHT::P=Q
      • Refutation
        • B(f);XS(D)
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • K(h);N_SPINP(i),OGATEB,S_FLIGHT,XS(D)::QAB(E)
      • K(h);N_SPINP(i),S_FLIGHT,XS(H)::QAB(E)
      • S(g);OGATE,XP(C)::QAB1(E)
      • S(g);OGATE,SBLOCK,XS(D)::QAB1(E)
      • S(c);N_GUARD::R1(G),XP(i)
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