MESON Chess Problem Database

Problem Display
PID: 31046 (1N6/4p3/8/1Npkp1K1/1P6/8/6PB/4Q3 w - - 0 1)

Winter-Wood, Edward John

Lett's Household Magazine, 1884

(First published on Wed Oct 1 1884)

1N6/4p3/8/1Npkp1K1/1P6/8/6PB/4Q3

#2

7 + 4

3392 Chess Souvenirs 1886
15254 EJWW Scrapbook 2011
15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Qxe5#
  • Tries
    • 1.Sd6?
      • threat
        • 2.Qxe5#
      • 1...Kd4
        • 2.Qd2#
      • 1...Kxd6
        • 2.Qxe5#
      • 1...Ke6
        • 2.Qxe5#
      • 1...e4
        • 2.Qxe4#
      • 1...exd6!
    • 1.Qe4+?
      • 1...Ke6
        • 2.Qc4#
      • 1...Kxe4!
  • Keys
    • 1.Qc3!
      • 1...Ke4
        • 2.Qf3#
      • 1...Ke6
        • 2.Qc4#
      • 1...cxb4
        • 2.Qc6#
      • 1...c4
        • 2.Qxe5#
      • 1...e4
        • 2.Sc7#
      • 1...e6
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(a);SBLOCK::QAR1(A),XP(c)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAR1(A),XP(c)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
        • K(b);P-FLIGHT,P_SPINP(c),XS(E)::QAB1(A),XP(c)
        • K(b);P_SPINP(c),S_FLIGHT::QAR1(A),XP(c)
        • P(c);::QAB1(A),XP(c)
      • Refutation
        • P(d);XS(E)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT::QAB1(A)
      • K(b);S_FLIGHT::QAB(A)
      • P(a);OGATE,XP(D)::QAB1(A)
      • P(a);SBLOCK::QAR1(A),XP(c)
      • P(c);SBLOCK::S(E)
      • P(d);SBLOCK::QAR2(A)
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