MESON Chess Problem Database

Problem Display
PID: 19110 (8/8/2R2r2/Pp1P4/1pN5/2kNQR2/n7/2n1K3 w - - 0 1)

Heathcote, Godfrey

2nd Prize, Manchester Weekly Times, 1912-1913

8/8/2R2r2/Pp1P4/1pN5/2kNQR2/n7/2n1K3

#2

8 + 6

15 British Chess Magazine 1914

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf3
      • 2.Sd2#
    • 1...Rf5
      • 2.Sd2#
    • 1...Rf7
      • 2.Sd2#
    • 1...Rf8
      • 2.Sd2#
    • 1...Sxd3+
      • 2.Qxd3#
    • 1...b3
      • 2.Sd6#
  • Tries
    • 1.Sdb2+?
      • 1...Sd3+
        • 2.Qxd3#
      • 1...Kc2!
    • 1.Sf2+?
      • 1...Sd3+
        • 2.Qxd3#
      • 1...Kc2!
    • 1.Sxb4+?
      • 1...Kxb4
        • 2.Qa3#
      • 1...Sd3+!
    • 1.Sf4+?
      • 1...Sd3+
        • 2.Qxd3#
      • 1...Kc2!
    • 1.Sc5+?
      • 1...Kxc4
        • 2.Qe4#
      • 1...Sd3+
        • 2.Qxd3#
      • 1...Kc2!
    • 1.Sde5+?
      • 1...Sd3+
        • 2.Qxd3#
      • 1...Kc2!
    • 1.Qe5+?
      • 1...Kc2
        • 2.Qb2#
      • 1...Kb3!
  • Keys
    • 1.Qe4!
      • 1...Sxd3+
        • 2.Qxd3#
      • 1...Kc2
        • 2.Sxb4#
      • 1...Kb3
        • 2.Sc5#
      • 1...Rxf3
        • 2.Sd2#
      • 1...Rxc6
        • 2.Sxc1#
      • 1...bxc4
        • 2.Qxc4#
      • 1...Rf4
        • 2.Sd2#
      • 1...Rf5
        • 2.Sd2#
      • 1...Rd6
        • 2.Sxc1#
      • 1...Re6
        • 2.Sxc1#
      • 1...Rg6
        • 2.Sxc1#
      • 1...Rh6
        • 2.Sxc1#
      • 1...Rf7
        • 2.Sd2#
      • 1...Rf8
        • 2.Sd2#
      • 1...Se2
        • 2.Sf4#
      • 1...Sb3
        • 2.Sf4#
      • 1...b3
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD,XR(D)::R(H)+S(E)
    • R(f);N_GUARD::R(H)+S(E)
    • S(a);CHECK,OGATE,P_SPINS(a),XS(B)::QAR1(C),XS(a)
    • P(d);SBLOCK::R(H)+S(E)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • S(a);CHECK,N_GUARD,P_SPINS(a)::QAR1(C),XS(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • S(a);CHECK,N_GUARD,P_SPINS(a)::QAR1(C),XS(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(B);CHECK,XP(d)
      • Vars
        • K(c);OGATE,S_FLIGHT,XS(B)::QAB1(C)
      • Refutation
        • S(a);CHECK,P_SPINS(a)
    • Try
      • S(B);CHECK
      • Vars
        • S(a);CHECK,N_GUARD,P_SPINS(a)::QAR1(C),XS(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(c);P-FLIGHT,XS(E)::QAR2(C)
        • S(a);CHECK,N_GUARD,P_SPINS(a)::QAR1(C),XS(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • S(a);CHECK,N_GUARD,P_SPINS(a)::QAR1(C),XS(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT::QAR1(C)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • S(a);CHECK,OGATE,P_SPINS(a),XS(B)::QAR1(C),XS(a)
      • K(c);P-FLIGHT::QAB(C)+S(B),DCHECK,XP(d)
      • K(c);P-FLIGHT::R(D)+S(B),DCHECK
      • R(f);N_GUARD,XR(D)::R(H)+S(E)
      • R(f);N_GUARD,XR(H)::R(D)+S(B),XS(a)
      • P(e);OGATE,P_SPINP(e),XS(E)::QAR1(C),XP(e)
      • R(f);N_GUARD::R(H)+S(E)
      • R(f);N_GUARD::R(D)+S(B),XS(a)
      • R(f);N_GUARD,P_PINQ(C)::R(D)+S(B),XS(a)
      • S(a);N_GUARD::R(D)+S(B)
      • S(a);N_GUARD,SBLOCK::R(D)+S(B)
      • P(d);SBLOCK::R(H)+S(E)
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