MESON Chess Problem Database

Problem Display
PID: 151085 (1N6/1b2n3/7R/k2P4/Pq2N3/1P6/2K5/Q3B1b1 w - - 0 1)

Winter-Wood, Edward John

Western Daily Mercury, 1910

(First published on Sat Dec 10 1910)

1N6/1b2n3/7R/k2P4/Pq2N3/1P6/2K5/Q3B1b1

#2

9 + 5

15254 EJWW Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe1
      • 2.Qxe1#
    • 1...Qd2+
      • 2.Bxd2#
    • 1...Qc3+
      • 2.Bxc3#
      • 2.Qxc3#
    • 1...Bxd5
      • 2.Ra6#
    • 1...Ba6
      • 2.Rxa6#
    • 1...Ba8
      • 2.Ra6#
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sc4#
      • 1...Qxd2+
        • 2.Bxd2#
      • 1...Qc3+
        • 2.Qxc3#
      • 1...Qxb3+
        • 2.Sxb3#
      • 1...Qc4+
        • 2.Sxc4#
      • 1...Qe4+
        • 2.Sxe4#
      • 1...Qxa4
        • 2.Qxa4#
      • 1...Bxd5
        • 2.Ra6#
      • 1...Ba6
        • 2.Rxa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • Q(b);N_SPINQ(b),OGATE,XB(B)::QAB(A),XQ(b)
    • Q(b);CHECK,OGATEB::B(B),XQ(b)
    • B(d);N_GUARD,XP(G)::R1(H)
    • B(d);N_GUARD::R1(H),XB(d)
    • B(d);N_GUARD::R1(H)
  • Actual
    • S(F);N_PINQ(b)
    • Threat
      • S(F)
    • Vars
      • Q(b);CHECK,OGATE,P_SPINQ(b),XS(F)::B(B),XQ(b)
      • Q(b);CHECK,OGATEB::QAB(A),XQ(b)
      • Q(b);CHECK,XP(D)::B(B)+S(F),DCHECK,XQ(b)
      • Q(b);CHECK::B(B)+S(F),DCHECK,XQ(b)
      • Q(b);CHECK::B(B)+S(F),XQ(b)
      • Q(b);OGATE,P_PINP(D),P_SPINQ(b),XP(E)::QAR1(A),XQ(b)
      • B(d);N_GUARD,XP(G)::R1(H)
      • B(d);N_GUARD::R1(H),XB(d)
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