MESON Chess Problem Database

Problem Display
PID: 150200 (8/8/8/2p5/6N1/2pk4/2Nrq3/KQ1bRB2 w - - 0 1)

Winter-Wood, Edward John

Stratford Express, 1909

(First published on Sat Jul 10 1909)

8/8/8/2p5/6N1/2pk4/2Nrq3/KQ1bRB2

#2

6 + 6

15254 EJWW Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf1
      • 2.Se5#
    • 1...c4
      • 2.Sf2#
  • Tries
    • 1.Qa2?
      • threat
        • 2.Sf2#
      • 1...Qxf1
        • 2.Se5#
        • 2.Re3#
      • 1...Rxc2
        • 2.Qd5#
      • 1...Bxc2
        • 2.Qd5#
      • 1...Ke4!
    • 1.Qb3?
      • threat
        • 2.Sf2#
      • 1...Qxf1
        • 2.Se5#
        • 2.Re3#
      • 1...Rxc2
        • 2.Qd5#
      • 1...Bxc2
        • 2.Qd5#
      • 1...Ke4!
    • 1.Qb5+?
      • 1...Kxc2
        • 2.Qb1#
      • 1...c4
        • 2.Qf5#
      • 1...Ke4!
  • Keys
    • 1.Qb7!
      • 1...Kxc2
        • 2.Qb1#
      • 1...Kc4
        • 2.Se5#
      • 1...Qxf1
        • 2.Qe4#
      • 1...Rxc2
        • 2.Qd5#
      • 1...Bxc2
        • 2.Qd5#
      • 1...c4
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • Q(c);N_SPINQ(c),XB(D)::S(F)
    • P(f);SBLOCK::S(F)
  • Tries
    • Try
      • Q(B);
      • Threat
        • S(F)
      • Vars
        • R(b);SBLOCK,XS(E)::QAR2(B)
        • B(a);SBLOCK,XS(E)::QAR2(B)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • Q(B);P_PINP(d)
      • Threat
        • S(F)
      • Vars
        • R(b);SBLOCK,XS(E)::QAR2(B)
        • B(a);SBLOCK,XS(E)::QAR2(B)
      • Refutation
        • K(e);N_SPINP(d),S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(e);N_SPINQ(c),OGATEB,S_FLIGHT,XS(E)::QAB1(B)
        • P(f);OGATE,P_SPINP(f),SBLOCK::QAB(B)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(e);N_SPINQ(c),OGATEB,S_FLIGHT,XS(E)::QAB1(B)
      • K(e);S_FLIGHT::S(F)
      • Q(c);N_SPINQ(c),XB(D)::QAB1(B)
      • R(b);SBLOCK,XS(E)::QAR2(B)
      • B(a);SBLOCK,XS(E)::QAR2(B)
      • P(f);SBLOCK::QAB(B)
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