MESON Chess Problem Database

Problem Display
PID: 141850 (7q/8/3p1P2/1bP4p/rN1R1Q2/n7/3N3K/kBB5 w - - 0 1)

Winter-Wood, Edward John

Daily Telegraph, 1900

(First published on Sat Jul 7 1900)

7q/8/3p1P2/1bP4p/rN1R1Q2/n7/3N3K/kBB5

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sxb1
      • 2.Sb3#
    • 1...Sc2
      • 2.Sxc2#
    • 1...Sc4
      • 2.Sc2#
  • Tries
    • 1.Rc4?
      • threat
        • 2.Qd4#
      • 1...Qxf6
        • 2.Qxf6#
      • 1...Sxb1
        • 2.Sb3#
      • 1...Sxc4
        • 2.Sc2#
      • 1...dxc5
        • 2.Qe5#
      • 1...Sc2
        • 2.Sxc2#
      • 1...Rxb4!
    • 1.Rd5?
      • threat
        • 2.Qd4#
      • 1...Qxf6
        • 2.Qxf6#
      • 1...Sxb1
        • 2.Sb3#
      • 1...dxc5
        • 2.Qe5#
      • 1...Sc2
        • 2.Sxc2#
      • 1...Sc4
        • 2.Sc2#
      • 1...Rxb4!
    • 1.Rxd6?
      • threat
        • 2.Qe5#
        • 2.Qd4#
      • 1...Qxf6
        • 2.Qxf6#
      • 1...Sxb1
        • 2.Sb3#
      • 1...Qe8
        • 2.Qd4#
      • 1...Sc2
        • 2.Sxc2#
      • 1...Sc4
        • 2.Sc2#
      • 1...Rxb4!
    • 1.Qe3?
      • threat
        • 2.Qc3#
      • 1...Rxb4
        • 2.Qxa3#
      • 1...Sxb1
        • 2.Sb3#
      • 1...Sc4
        • 2.Sc2#
      • 1...Bd3!
    • 1.Qg3?
      • threat
        • 2.Qc3#
      • 1...Rxb4
        • 2.Qxa3#
      • 1...Sxb1
        • 2.Sb3#
      • 1...Sc4
        • 2.Sc2#
      • 1...Bd3!
    • 1.Qf3?
      • threat
        • 2.Qc3#
      • 1...Rxb4
        • 2.Qxa3#
      • 1...Sxb1
        • 2.Sb3#
      • 1...Sc4
        • 2.Sc2#
      • 1...Bd3!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Qd4#
      • 1...Qxf6
        • 2.Qxf6#
      • 1...Rxb4
        • 2.Rxa3#
      • 1...Sxb1
        • 2.Sb3#
      • 1...dxc5
        • 2.Qe5#
      • 1...Sc2
        • 2.Sxc2#
      • 1...Sc4
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK,XB(A)::S(C)
    • S(b);N_GUARD::S(E),XS(b)
    • S(b);N_GUARD::S(E)
  • Tries
    • Try
      • R(F);
      • Threat
        • QAB(G)
      • Vars
        • Q(g);OGATE,XP(I)::QAB(G),XQ(g)
        • S(b);SBLOCK,XB(A)::S(C)
        • S(b);N_GUARD,XR(F)::S(E)
        • P(f);N_GUARD,XP(H)::QAB(G)
        • S(b);N_GUARD::S(E),XS(b)
      • Refutation
        • R(c);XS(E)
    • Try
      • R(F);
      • Threat
        • QAB(G)
      • Vars
        • Q(g);OGATE,XP(I)::QAB(G),XQ(g)
        • S(b);SBLOCK,XB(A)::S(C)
        • P(f);N_GUARD,XP(H)::QAB(G)
        • S(b);N_GUARD::S(E),XS(b)
        • S(b);N_GUARD::S(E)
      • Refutation
        • R(c);XS(E)
    • Try
      • R(F);XP(f)
      • Threat
        • DUALS(2)
      • Vars
        • Q(g);OGATE,XP(I)::QAB(G),XQ(g)
        • S(b);SBLOCK,XB(A)::S(C)
        • Q(g);::QAB(G)
        • S(b);N_GUARD::S(E),XS(b)
        • S(b);N_GUARD::S(E)
      • Refutation
        • R(c);XS(E)
    • Try
      • Q(G);
      • Threat
        • QAB(G)
      • Vars
        • R(c);N_GUARD,XS(E)::QAR2(G),XS(b)
        • S(b);SBLOCK,XB(A)::S(C)
        • S(b);N_GUARD::S(E)
      • Refutation
        • B(d);
    • Try
      • Q(G);
      • Threat
        • QAB(G)
      • Vars
        • R(c);N_GUARD,XS(E)::QAR2(G),XS(b)
        • S(b);SBLOCK,XB(A)::S(C)
        • S(b);N_GUARD::S(E)
      • Refutation
        • B(d);
    • Try
      • Q(G);
      • Threat
        • QAB(G)
      • Vars
        • R(c);N_GUARD,XS(E)::QAR2(G),XS(b)
        • S(b);SBLOCK,XB(A)::S(C)
        • S(b);N_GUARD::S(E)
      • Refutation
        • B(d);
  • Actual
    • R(F);
    • Threat
      • QAB(G)
    • Vars
      • Q(g);OGATE,XP(I)::QAB(G),XQ(g)
      • R(c);N_GUARD,XS(E)::R(F),XS(b)
      • S(b);SBLOCK,XB(A)::S(C)
      • P(f);N_GUARD,XP(H)::QAB(G)
      • S(b);N_GUARD::S(E),XS(b)
      • S(b);N_GUARD::S(E)
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