MESON Chess Problem Database

Problem Display
PID: 22353 (6B1/1bK5/R1P5/P3k2N/5R2/2q5/n3NP2/B5b1 w - - 0 1)

Winter-Wood, Edward John

Croydon Guardian, 1883

(First published on Sat Mar 24 1883)

6B1/1bK5/R1P5/P3k2N/5R2/2q5/n3NP2/B5b1

#2

10 + 5

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

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Bxd4#
    • 1...Sc1
      • 2.Bxc3#
    • 1...Sb4
      • 2.Bxc3#
  • Tries
    • 1.Sc1?
      • threat
        • 2.Sd3#
      • 1...Sxc1
        • 2.Bxc3#
      • 1...Sb4
        • 2.Bxc3#
      • 1...Bxa6!
    • 1.Sxc3?
      • threat
        • 2.Sxa2#
      • 1...Sxc3
        • 2.Bxc3#
      • 1...Sc1
        • 2.Sb1#
        • 2.Sd1#
        • 2.Sa2#
        • 2.Se2#
        • 2.Sa4#
        • 2.Se4#
        • 2.Sb5#
        • 2.Sd5#
      • 1...Sb4
        • 2.Sb1#
        • 2.Sd1#
        • 2.Sa2#
        • 2.Se2#
        • 2.Sa4#
        • 2.Se4#
        • 2.Sb5#
        • 2.Sd5#
      • 1...Bxf2!
    • 1.Sf6?
      • threat
        • 2.Sg4#
        • 2.Sd7#
      • 1...Bxc6
        • 2.Sg4#
      • 1...Bc8!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sf3#
      • 1...Qxa5+
        • 2.Rxa5#
      • 1...Qxc6+
        • 2.Sxc6#
      • 1...Qxd4
        • 2.Bxd4#
      • 1...Bxc6
        • 2.Sxc6#
      • 1...Qf3
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • Q(c);N_PINP(H),OGATE::B(A),XQ(c)
    • S(b);N_GUARD::B(A),XQ(c)
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • S(b);N_GUARD,XS(B)::B(A),XQ(c)
        • S(b);N_GUARD::B(A),XQ(c)
      • Refutation
        • B(e);XR(G)
    • Try
      • S(B);N_SPINP(H),XQ(c)
      • Threat
        • B(A)+S(B),XS(b)
      • Vars
        • S(b);OGATE,P_SPINS(b),XS(B)::B(A),XS(b)
      • Refutation
        • B(a);XP(C)
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(e);XP(H)::S(F)
      • Refutation
        • B(e);
  • Actual
    • S(B);N_PINQ(c)
    • Threat
      • S(B)
    • Vars
      • Q(c);CHECK,N_PINP(H),OGATE,XP(E)::R(G),XQ(c)
      • Q(c);CHECK,XP(H)::B(A)+S(B),DCHECK,XQ(c)
      • Q(c);N_PINP(H),OGATE,P_SPINQ(c),XS(B)::B(A),XQ(c)
      • B(e);XP(H)::S(B),XB(e)
      • Q(c);N_PINP(H)::B(A)+S(B),DCHECK,XQ(c)
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