MESON Chess Problem Database

Problem Display
PID: 168906 (8/B1N1pKn1/5R2/1PR3N1/3kp3/6q1/B1n1P2r/5Qrb w - - 0 1)

Anonymous

St. James' Budget, 1894

(First published on Fri Feb 23 1894)

8/B1N1pKn1/5R2/1PR3N1/3kp3/6q1/B1n1P2r/5Qrb

#2

10 + 9

14868 Pirnie Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Rxc2#
    • 1...Qe5
      • 2.Rc4#
    • 1...Qc3
      • 2.Rd5#
    • 1...e5
      • 2.Rxc2#
      • 2.Rc4#
      • 2.Rcc6#
  • Tries
    • 1.Sge6+?
      • 1...Ke3
        • 2.Rxc2#
      • 1...Sxe6!
    • 1.Sce6+?
      • 1...Ke3
        • 2.Rxc2#
      • 1...Sxe6!
    • 1.e3+?
      • 1...Kxe3
        • 2.Rxc2#
      • 1...Qxe3
        • 2.Qc4#
      • 1...Sxe3!
  • Keys
    • 1.Rfc6!
      • threat
        • 2.Rd5#
        • 2.Rf5#
      • 1...Qf2+
        • 2.Rf5#
      • 1...Qf4+
        • 2.Rf5#
      • 1...Qb3+
        • 2.Rd5#
      • 1...Qf3+
        • 2.Rf5#
      • 1...Rxf1+
        • 2.Rf5#
      • 1...Rf2+
        • 2.Rf5#
      • 1...Ke3
        • 2.Rxc2#
      • 1...Qxc7
        • 2.Rd5#
      • 1...Rxe2
        • 2.Rd5#
      • 1...Qe5
        • 2.Rc4#
        • 2.Rd5#
      • 1...Qd6
        • 2.Rd5#
      • 1...Qa3
        • 2.Rd5#
      • 1...Qc3
        • 2.Rd5#
      • 1...Sf5
        • 2.Rd5#
        • 2.Rxf5#
      • 1...Se6
        • 2.Rd5#
      • 1...e5
        • 2.Rxc2#
        • 2.Rc3#
        • 2.Rc4#
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 1
  • Sets
    • K(f);S_FLIGHT::B(H)+R(E),XS(c)
    • Q(e);SBLOCK::B(H)+R(E),DCHECK
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(f);S_FLIGHT::B(H)+R(E),XS(c)
      • Refutation
        • S(i);XS(F)
    • Try
      • S(I);CHECK
      • Vars
        • K(f);S_FLIGHT::B(H)+R(E),XS(c)
      • Refutation
        • S(i);XS(I)
    • Try
      • P(C);CHECK
      • Vars
        • K(f);S_FLIGHT,XP(C)::B(H)+R(E),XS(c)
        • Q(e);SBLOCK,XP(C)::QAR1(A)
      • Refutation
        • S(c);XP(C)
  • Actual
    • R(G);
    • Threat
      • DUALS(2)
    • Vars
      • Q(e);CHECK::B(H)+R(E)
      • Q(e);CHECK::B(H)+R(E),DCHECK
      • R(a);CHECK,XQ(A)::B(H)+R(E)
      • R(d);CHECK::B(H)+R(E)
      • K(f);S_FLIGHT::B(H)+R(E),XS(c)
      • Q(e);XS(I)::B(H)+R(E),DCHECK
      • R(d);XP(C)::B(H)+R(E),DCHECK
      • Q(e);::B(H)+R(E),DCHECK
      • S(i);::B(H)+R(E),DCHECK
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