MESON Chess Problem Database

Problem Display
PID: 96891 (N1n1n1N1/3K4/1P1p1P2/2pkp1Q1/3p4/1P1p1P2/2P1P3/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

N1n1n1N1/3K4/1P1p1P2/2pkp1Q1/3p4/1P1p1P2/2P1P3/8

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sxb6+
      • 2.Sxb6#
    • 1...Sa7
      • 2.Se7#
    • 1...Se7
      • 2.Sxe7#
    • 1...Sxf6+
      • 2.Sxf6#
    • 1...Sc7
      • 2.Sxc7#
    • 1...Sg7
      • 2.Sc7#
  • Tries
    • 1.Qh4?
      • threat
        • 2.Qe4#
      • 1...Sxb6+
        • 2.Sxb6#
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...e4
        • 2.Qg5#
        • 2.Qxe4#
        • 2.Qh5#
      • 1...c4!
    • 1.Qg4?
      • threat
        • 2.Qe6#
        • 2.Qe4#
      • 1...Sxb6+
        • 2.Sxb6#
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...e4
        • 2.Qf5#
        • 2.Qh5#
        • 2.Qe6#
        • 2.Qxe4#
        • 2.Qg5#
      • 1...Sc7
        • 2.Sxc7#
        • 2.Qe4#
      • 1...Sg7
        • 2.Sc7#
        • 2.Qe4#
      • 1...c4!
    • 1.Qf5?
      • threat
        • 2.Qe4#
        • 2.Qe6#
      • 1...Sxb6+
        • 2.Sxb6#
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...Sc7
        • 2.Sxc7#
        • 2.Qe4#
      • 1...Sg7
        • 2.Sc7#
        • 2.Qe4#
      • 1...c4!
    • 1.Qh5?
      • threat
        • 2.Qf7#
      • 1...Sxb6+
        • 2.Sxb6#
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...Sc7
        • 2.Sxc7#
      • 1...Sg7
        • 2.Sc7#
      • 1...c4!
    • 1.Qg6?
      • threat
        • 2.Qe4#
        • 2.Qf7#
      • 1...Sxb6+
        • 2.Sxb6#
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...e4
        • 2.Qxe4#
        • 2.Qf5#
        • 2.Qh5#
        • 2.Qg5#
      • 1...Sc7
        • 2.Sxc7#
        • 2.Qe4#
      • 1...Sg7
        • 2.Sc7#
        • 2.Qe4#
      • 1...c4!
    • 1.Qg7?
      • threat
        • 2.Qf7#
      • 1...Sxb6+
        • 2.Sxb6#
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...Sxg7
        • 2.Sc7#
      • 1...e4
        • 2.Qg5#
      • 1...Sc7
        • 2.Sxc7#
      • 1...c4!
    • 1.cxd3?
      • 1...Sxb6+
        • 2.Sxb6#
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...Sa7
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#
      • 1...Sc7
        • 2.Sxc7#
      • 1...Sg7
        • 2.Sc7#
      • 1...c4!
    • 1.exd3?
      • 1...Sxb6+
        • 2.Sxb6#
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...Sa7
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#
      • 1...Sc7
        • 2.Sxc7#
      • 1...Sg7
        • 2.Sc7#
      • 1...c4!
  • Keys
    • 1.Qd2!
      • 1...Sxb6+
        • 2.Sxb6#
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...dxc2
        • 2.e4#
      • 1...dxe2
        • 2.c4#
      • 1...c4
        • 2.Qa5#
      • 1...e4
        • 2.Qg5#
      • 1...Sa7
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#
      • 1...Sc7
        • 2.Sxc7#
      • 1...Sg7
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(g);CHECK,XP(F)::S(I),XS(g)
    • S(g);N_GUARD::S(J)
    • S(g);N_GUARD::S(J),XS(g)
    • S(h);CHECK,XP(G)::S(J),XS(h)
    • S(h);N_GUARD::S(I),XS(h)
    • S(h);N_GUARD::S(I)
  • Tries
    • Try
      • Q(E);N_PINP(e)
      • Threat
        • QAB1(E)
      • Vars
        • S(g);CHECK,XP(F)::S(I),XS(g)
        • S(h);CHECK,XP(G)::S(J),XS(h)
      • Refutation
        • P(c);
    • Try
      • Q(E);N_PINP(e)
      • Threat
        • DUALS(2)
      • Vars
        • S(g);CHECK,XP(F)::S(I),XS(g)
        • S(h);CHECK,XP(G)::S(J),XS(h)
      • Refutation
        • P(c);
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • S(g);CHECK,XP(F)::S(I),XS(g)
        • S(h);CHECK,XP(G)::S(J),XS(h)
      • Refutation
        • P(c);
    • Try
      • Q(E);
      • Threat
        • QAB(E)
      • Vars
        • S(g);CHECK,XP(F)::S(I),XS(g)
        • S(h);CHECK,XP(G)::S(J),XS(h)
        • S(h);N_GUARD::S(I),XS(h)
        • S(h);N_GUARD::S(I)
      • Refutation
        • P(c);
    • Try
      • Q(E);N_PINP(e)
      • Threat
        • DUALS(2)
      • Vars
        • S(g);CHECK,XP(F)::S(I),XS(g)
        • S(h);CHECK,XP(G)::S(J),XS(h)
      • Refutation
        • P(c);
    • Try
      • Q(E);N_PINP(e)
      • Threat
        • QAB(E)
      • Vars
        • S(g);CHECK,XP(F)::S(I),XS(g)
        • S(h);CHECK,XP(G)::S(J),XS(h)
        • S(h);N_GUARD,XQ(E)::S(I)
        • P(e);OGATEB::QAR(E)
        • S(h);N_GUARD::S(I),XS(h)
      • Refutation
        • P(c);
    • Try
      • P(A);XP(a)
      • Vars
        • S(g);CHECK,XP(F)::S(I),XS(g)
        • S(h);CHECK,XP(G)::S(J),XS(h)
        • S(g);N_GUARD::S(J)
        • S(g);N_GUARD::S(J),XS(g)
        • S(h);N_GUARD::S(I),XS(h)
        • S(h);N_GUARD::S(I)
      • Refutation
        • P(c);
    • Try
      • P(B);XP(a)
      • Vars
        • S(g);CHECK,XP(F)::S(I),XS(g)
        • S(h);CHECK,XP(G)::S(J),XS(h)
        • S(g);N_GUARD::S(J)
        • S(g);N_GUARD::S(J),XS(g)
        • S(h);N_GUARD::S(I),XS(h)
        • S(h);N_GUARD::S(I)
      • Refutation
        • P(c);
  • Actual
    • Q(E);N_PINP(e)
    • Vars
      • S(g);CHECK,XP(F)::S(I),XS(g)
      • S(h);CHECK,XP(G)::S(J),XS(h)
      • P(a);P_SPINP(b),XP(A)::P(B)
      • P(a);P_SPINP(b),XP(B)::P(A)
      • P(c);OGATEB::QAR(E)
      • P(e);OGATEB::QAR(E)
      • S(g);N_GUARD::S(J)
      • S(g);N_GUARD::S(J),XS(g)
      • S(h);N_GUARD::S(I),XS(h)
      • S(h);N_GUARD::S(I)
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