MESON Chess Problem Database

Problem Display
PID: 142896 (1n1N4/b4RK1/6P1/3kP2Q/1Pp3p1/3P4/2B1q3/B2R4 w - - 0 1)

Winter-Wood, Edward John

Birmingham News, 1905

(First published on Sat Jan 7 1905)

1n1N4/b4RK1/6P1/3kP2Q/1Pp3p1/3P4/2B1q3/B2R4

#2

11 + 6

15254 EJWW Scrapbook 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd3
      • 2.Qh1#
    • 1...Qe4
      • 2.dxe4#
    • 1...Qxe5+
      • 2.Qxe5#
    • 1...Sa6
      • 2.Rd7#
    • 1...Sc6
      • 2.Rd7#
    • 1...Sd7
      • 2.Rxd7#
  • Tries
    • 1.Qh1+?
      • 1...Qg2
        • 2.Qxg2#
      • 1...Qe4
        • 2.Qxe4#
        • 2.dxe4#
      • 1...Qf3!
    • 1.e6+?
      • 1...Qe5+
        • 2.Qxe5#
      • 1...Kd6!
  • Keys
    • 1.Rf4!
      • threat
        • 2.dxc4#
      • 1...Qxe5+
        • 2.Qxe5#
      • 1...Qxd3
        • 2.Qh1#
      • 1...cxd3
        • 2.Bb3#
      • 1...Qe4
        • 2.dxe4#
      • 1...Bd4
        • 2.Rxd4#
      • 1...c3
        • 2.Bb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • Q(a);N_GUARD,P_SPINQ(a),XP(D)::QAB(G)
    • Q(a);OGATE::R(B)+P(D)DCHECK,XQ(a)
    • Q(a);CHECK,OGATE,P_SPINQ(a),XP(F)::QAR1(G),XQ(a)
    • S(f);N_GUARD::R(I)
    • S(f);N_GUARD::R(I),XS(f)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • Q(a);N_GUARD,P_SPINQ(a)::QAB(G),XQ(a)
      • Refutation
        • Q(a);P_SPINQ(a)
    • Try
      • P(F);CHECK
      • Vars
        • Q(a);CHECK,N_GUARD,P_SPINQ(a)::QAR1(G),XQ(a)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • R(I);
    • Threat
      • R(B)+P(D)DCHECK,XP(b)
    • Vars
      • Q(a);CHECK,OGATE,P_SPINQ(a),XP(F)::QAR1(G),XQ(a)
      • Q(a);N_GUARD,P_SPINQ(a),XP(D)::QAB(G)
      • P(b);OGATEB,P_SPINP(b),XP(D)::B(C)
      • Q(a);OGATE::R(B)+P(D)DCHECK,XQ(a)
      • B(e);N_GUARD,P_PINP(F)::R1(I),XB(e)
      • P(b);OGATEB::B(C)
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