MESON Chess Problem Database

Problem Display
PID: 4815 (2b5/4p3/2n1p1K1/4k3/1PPR4/3Pp3/4p3/Q3N1n1 w - - 0 1)

Williams, Philip Hamilton

Acton & Chiswick Gazette, 1892

2b5/4p3/2n1p1K1/4k3/1PPR4/3Pp3/4p3/Q3N1n1

#2

7 + 8

15569 Chess Problems by Philip H. Williams

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3
      • 2.Sxf3#
    • 1...Sh3
      • 2.Sf3#
  • Tries
    • 1.Rg4+?
      • 1...Sd4
        • 2.Qxd4#
      • 1...Kd6!
    • 1.Rh4+?
      • 1...Sd4
        • 2.Qxd4#
      • 1...Kd6!
    • 1.Rd7+?
      • 1...Sd4
        • 2.Qxd4#
      • 1...Kf4!
    • 1.Rd8+?
      • 1...Sd4
        • 2.Qxd4#
      • 1...Kf4!
    • 1.Qc1?
      • threat
        • 2.Qxe3#
      • 1...Kxd4
        • 2.Qb2#
        • 2.Qa1#
      • 1...Sxd4!
    • 1.Qa5+?
      • 1...Kxd4
        • 2.Qa1#
      • 1...Sxa5!
  • Keys
    • 1.Qa8!
      • 1...Kxd4
        • 2.Qa1#
      • 1...Sxb4
        • 2.Qe4#
      • 1...Sxd4
        • 2.Qb8#
      • 1...Ba6
        • 2.Qh8#
      • 1...Bb7
        • 2.Qh8#
      • 1...Bd7
        • 2.Qh8#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sh3
        • 2.Sf3#
      • 1...Sa5
        • 2.Qe4#
      • 1...Sa7
        • 2.Qe4#
      • 1...Sb8
        • 2.Qe4#
      • 1...Sd8
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::S(B),XS(a)
    • S(a);N_GUARD::S(B)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAB1(A),XS(e)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAB1(A),XS(e)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAB1(A),XS(e)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAB1(A),XS(e)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR2(A),XP(c)
      • Refutation
        • S(e);XR(F)
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);OGATEB,S_FLIGHT,XR(F)::QAB(A)
      • Refutation
        • S(e);XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(F)::QAB(A)
      • S(e);OGATE,XP(D)::QAR1(A)
      • S(e);N_GUARD,SBLOCK,XR(F)::QAB(A)
      • B(h);OGATE::QAB(A)
      • S(a);N_GUARD::S(B),XS(a)
      • S(a);N_GUARD::S(B)
      • S(e);OGATE::QAR1(A)
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