MESON Chess Problem Database

Problem Display
PID: 4601 (4R1b1/2Bp4/3PNN2/n1pBkr1p/q4p2/4P2K/6Q1/8 w - - 0 1)

Hume, George

1st Prize Set, Boys' Newspaper 03. Ty., 1882

4R1b1/2Bp4/3PNN2/n1pBkr1p/q4p2/4P2K/6Q1/8

#2

9 + 9

1253 Leeds Mercury Weekly Supplement 1882
15239 Valois Notebooks 1882
3348 Changing Fashions 1925

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf6
      • 2.Qg7#
    • 1...Qd1
      • 2.Sxd7#
    • 1...Qc2
      • 2.Sxd7#
    • 1...Qb3
      • 2.Sxd7#
    • 1...Qc6
      • 2.Qb2#
    • 1...Qa1
      • 2.Sxd7#
    • 1...Qa2
      • 2.Sxd7#
    • 1...Qa3
      • 2.Sxd7#
    • 1...Qb4
      • 2.Sxd7#
    • 1...Qc4
      • 2.Sxd7#
    • 1...Qd4
      • 2.Sxd7#
    • 1...Rg5
      • 2.Qxg5#
    • 1...Sc6
      • 2.Sxd7#
    • 1...h4
      • 2.Sg4#
  • Tries
    • 1.Sd4+?
      • 1...Kxf6
        • 2.Bd8#
      • 1...Be6!
    • 1.Sxf4+?
      • 1...Kxf6
        • 2.Bd8#
        • 2.Qg6#
      • 1...Be6!
    • 1.Sxc5+?
      • 1...Kxf6
        • 2.Bd8#
      • 1...Be6!
    • 1.Sg7+?
      • 1...Kxf6
        • 2.Bd8#
      • 1...Be6!
    • 1.Sf8+?
      • 1...Kxf6
        • 2.Bd8#
        • 2.Qg6#
      • 1...Be6!
    • 1.exf4+?
      • 1...Kxf6
        • 2.Qg7#
      • 1...Qxf4
        • 2.Sxd7#
      • 1...Rxf4!
  • Keys
    • 1.Bc6!
      • threat
        • 2.Sxd7#
      • 1...Kxf6
        • 2.Qg7#
      • 1...Qxc6
        • 2.Qb2#
      • 1...Rxf6
        • 2.Qd5#
      • 1...dxc6
        • 2.Sd7#
      • 1...dxe6
        • 2.Sd7#
      • 1...Rg5
        • 2.Qxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 11
  • Sets
    • K(e);OGATEB,S_FLIGHT,XS(G)::QAB1(A)
    • Q(a);N_GUARD::S(G),XP(h)
    • Q(a);N_GUARD,P_PINP(B)::S(G),XP(h)
    • Q(a);N_GUARD::QAB(A)
    • R(f);OGATEB::QAR2(A),XR(f)
    • S(c);S_CUTQ(a)::S(G),XP(h)
    • P(g);N_GUARD::S(G)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(e);S_FLIGHT,XS(G)::B(H)
      • Refutation
        • B(i);P_SPINB(i)
    • Try
      • S(F);CHECK,XP(b)
      • Refutation
        • B(i);P_SPINB(i)
    • Try
      • S(F);CHECK,XP(d)
      • Vars
        • K(e);S_FLIGHT,XS(G)::B(H)
      • Refutation
        • B(i);P_SPINB(i)
    • Try
      • S(F);CHECK
      • Vars
        • K(e);S_FLIGHT,XS(G)::B(H)
      • Refutation
        • B(i);P_SPINB(i)
    • Try
      • S(F);CHECK
      • Refutation
        • B(i);P_SPINB(i)
    • Try
      • P(B);CHECK,XP(b)
      • Vars
        • K(e);S_FLIGHT,XS(G)::QAB1(A)
        • Q(a);XP(B)::S(G),XP(h)
      • Refutation
        • R(f);XP(B)
  • Actual
    • B(D);
    • Threat
      • S(G),XP(h)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XS(G)::QAB1(A)
      • Q(a);N_GUARD,XB(D)::QAB(A)
      • R(f);SBLOCK,XS(G)::QAR1(A)
      • P(h);XB(D)::S(G)
      • P(h);P_SPINP(h),XS(F)::S(G)
      • R(f);OGATEB::QAR2(A),XR(f)
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