MESON Chess Problem Database

Problem Display
PID: 142903 (qrb5/nPNP4/2k5/8/3K4/6B1/1Q6/8 w - - 0 1)

Winter-Wood, Edward John

Glasgow Weekly Herald, 1905

(First published on Thu Feb 16 1905)

qrb5/nPNP4/2k5/8/3K4/6B1/1Q6/8

#2

6 + 5

15254 EJWW Scrapbook 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Sb5+
      • 2.Qxb5#
  • Tries
    • 1.Qa3?
      • 1...Kb6
        • 2.Qa6#
      • 1...Kxb7
        • 2.Qa6#
      • 1...Kxd7
        • 2.Qd6#
      • 1...Qxb7
        • 2.Qd6#
      • 1...Rxb7
        • 2.Qd6#
      • 1...Bxb7
        • 2.Qd6#
      • 1...Bxd7
        • 2.Qa6#
      • 1...Sb5+!
    • 1.Qb4?
      • 1...Sb5+
        • 2.Qxb5#
      • 1...Kxd7
        • 2.Qd6#
      • 1...Qxb7
        • 2.Qd6#
      • 1...Rxb7
        • 2.Qd6#
      • 1...Bxb7
        • 2.Qd6#
      • 1...Bxd7!
    • 1.Qb6+?
      • 1...Kxd7
        • 2.Qd6#
      • 1...Kxb6!
    • 1.dxc8Q?
      • threat
        • 2.Qe6#
      • 1...Sb5+
        • 2.Qxb5#
      • 1...Sxc8
        • 2.Qb5#
      • 1...Rxc8!
    • 1.d8Q?
      • threat
        • 2.Qd5#
        • 2.Qd6#
      • 1...Sb5+
        • 2.Qxb5#
      • 1...Be6
        • 2.Qd6#
      • 1...Bd7!
  • Keys
    • 1.Qe2!
      • 1...Sb5+
        • 2.Qxb5#
      • 1...Kb6
        • 2.Qa6#
      • 1...Kxb7
        • 2.Qa6#
      • 1...Kxd7
        • 2.Qe8#
      • 1...Qxb7
        • 2.Qe6#
      • 1...Rxb7
        • 2.Qe6#
      • 1...Bxb7
        • 2.Qe6#
      • 1...Bxd7
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(b);CHECK,N_GUARD::QAB1(A),XS(b)
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT,XP(D)::QAB1(A)
        • K(a);S_FLIGHT,XP(F)::QAR1(A)
        • Q(c);SBLOCK,XP(D)::QAR1(A)
        • R(d);SBLOCK,XP(D)::QAR1(A)
        • B(e);SBLOCK,XP(D)::QAR1(A)
        • B(e);SBLOCK,XP(F)::QAR2(A)
      • Refutation
        • S(b);CHECK
    • Try
      • Q(A);
      • Vars
        • S(b);CHECK,N_GUARD::QAB1(A),XS(b)
        • K(a);S_FLIGHT,XP(F)::QAR1(A)
        • Q(c);SBLOCK,XP(D)::QAR1(A)
        • R(d);SBLOCK,XP(D)::QAR1(A)
        • B(e);SBLOCK,XP(D)::QAR1(A)
      • Refutation
        • B(e);XP(F)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT,XP(F)::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • P(F);XB(e)
      • Threat
        • QAR2(F)
      • Vars
        • S(b);CHECK,N_GUARD::QAB1(A),XS(b)
        • S(b);N_GUARD,XQ(F)::QAB1(A)
      • Refutation
        • R(d);XQ(F)
    • Try
      • P(F);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);CHECK,N_GUARD::QAB1(A),XS(b)
        • B(e);::QAR1(F)
      • Refutation
        • B(e);
  • Actual
    • Q(A);
    • Vars
      • S(b);CHECK,N_GUARD::QAB1(A),XS(b)
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT,XP(D)::QAB1(A)
      • K(a);OGATEB,S_FLIGHT,XP(F)::QAB1(A)
      • Q(c);SBLOCK,XP(D)::QAR2(A)
      • R(d);SBLOCK,XP(D)::QAR2(A)
      • B(e);SBLOCK,XP(D)::QAR2(A)
      • B(e);SBLOCK,XP(F)::QAR2(A)
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