MESON Chess Problem Database

Problem Display
PID: 143806 (1rk5/3p4/1p1Pp3/1P3BB1/4Q3/8/2p5/4R1K1 w - - 0 1)

Williams, Philip Hamilton

English Mechanic and World of Science, 1893

(First published on Fri Jan 27 1893)

1rk5/3p4/1p1Pp3/1P3BB1/4Q3/8/2p5/4R1K1

#2

7 + 6

15 British Chess Magazine 1897
15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ra8
      • 2.Qxa8#
    • 1...c1Q
      • 2.Rxc1#
    • 1...c1S
      • 2.Rxc1#
    • 1...c1B
      • 2.Rxc1#
    • 1...c1R
      • 2.Rxc1#
    • 1...e5
      • 2.Qc6#
  • Tries
    • 1.Bh3?
      • 1...Ra8
        • 2.Qxa8#
      • 1...c1Q
        • 2.Rxc1#
      • 1...c1S
        • 2.Rxc1#
      • 1...c1B
        • 2.Rxc1#
      • 1...c1R
        • 2.Rxc1#
      • 1...e5
        • 2.Qc6#
      • 1...Rb7!
    • 1.Bg4?
      • 1...Ra8
        • 2.Qxa8#
      • 1...c1Q
        • 2.Rxc1#
      • 1...c1S
        • 2.Rxc1#
      • 1...c1B
        • 2.Rxc1#
      • 1...c1R
        • 2.Rxc1#
      • 1...e5
        • 2.Qc6#
      • 1...Rb7!
    • 1.Bxe6?
      • threat
        • 2.Qc6#
      • 1...Ra8
        • 2.Qxa8#
      • 1...c1Q
        • 2.Rxc1#
      • 1...c1R
        • 2.Rxc1#
      • 1...Rb7!
    • 1.Rc1?
      • threat
        • 2.Rxc2#
      • 1...Ra8
        • 2.Qxa8#
      • 1...Rb7!
    • 1.Qg2?
      • 1...exf5
        • 2.Re8#
      • 1...Ra8
        • 2.Qxa8#
      • 1...c1Q
        • 2.Rxc1#
      • 1...c1S
        • 2.Rxc1#
      • 1...c1B
        • 2.Rxc1#
      • 1...c1R
        • 2.Rxc1#
      • 1...e5
        • 2.Qc6#
      • 1...Rb7!
    • 1.Qf3?
      • 1...exf5
        • 2.Re8#
      • 1...Ra8
        • 2.Qxa8#
      • 1...c1Q
        • 2.Rxc1#
      • 1...c1S
        • 2.Rxc1#
      • 1...c1B
        • 2.Rxc1#
      • 1...c1R
        • 2.Rxc1#
      • 1...e5
        • 2.Qc6#
      • 1...Rb7!
    • 1.Qa8?
      • 1...exf5
        • 2.Re8#
      • 1...c1Q
        • 2.Rxc1#
      • 1...c1S
        • 2.Rxc1#
      • 1...c1B
        • 2.Rxc1#
      • 1...c1R
        • 2.Rxc1#
      • 1...e5
        • 2.Qc6#
      • 1...Rxa8!
  • Keys
    • 1.Qh1!
      • 1...exf5
        • 2.Re8#
      • 1...Rb7
        • 2.Qh8#
      • 1...Ra8
        • 2.Qxa8#
      • 1...c1Q
        • 2.Rxc1#
      • 1...c1S
        • 2.Rxc1#
      • 1...c1B
        • 2.Rxc1#
      • 1...c1R
        • 2.Rxc1#
      • 1...e5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATEB::QAR2(C),XR(e)
    • P(a);OGATEB,P_PINR(A)::R(A),XQ(a)
    • P(a);OGATEB::R(A),XS(a)
    • P(a);OGATEB::R(A),XB(a)
    • P(a);OGATEB,P_PINR(A)::R(A),XR(a)
    • P(c);P_SPINP(d)::QAR2(C)
  • Tries
    • Try
      • B(E);
      • Vars
        • R(e);OGATEB::QAR2(C),XR(e)
        • P(a);OGATEB,P_PINR(A)::R(A),XQ(a)
        • P(a);OGATEB::R(A),XS(a)
        • P(a);OGATEB::R(A),XB(a)
        • P(a);OGATEB,P_PINR(A)::R(A),XR(a)
        • P(c);P_SPINP(d)::QAR2(C)
      • Refutation
        • R(e);
    • Try
      • B(E);
      • Vars
        • R(e);OGATEB::QAR2(C),XR(e)
        • P(a);OGATEB,P_PINR(A)::R(A),XQ(a)
        • P(a);OGATEB::R(A),XS(a)
        • P(a);OGATEB::R(A),XB(a)
        • P(a);OGATEB,P_PINR(A)::R(A),XR(a)
        • P(c);P_SPINP(d)::QAR2(C)
      • Refutation
        • R(e);
    • Try
      • B(E);P_PINP(d),XP(c)
      • Threat
        • QAR2(C)
      • Vars
        • R(e);OGATEB::QAR2(C),XR(e)
        • P(a);OGATEB,P_PINR(A)::R(A),XQ(a)
        • P(a);OGATEB,P_PINR(A)::R(A),XR(a)
      • Refutation
        • R(e);
    • Try
      • R(A);P_PINP(a)
      • Threat
        • R(A),XP(a)
      • Vars
        • R(e);OGATEB::QAR2(C),XR(e)
      • Refutation
        • R(e);
    • Try
      • Q(C);
      • Vars
        • P(c);OGATE,XB(E)::R(A)
        • R(e);OGATEB::QAR2(C),XR(e)
        • P(a);OGATEB,P_PINR(A)::R(A),XQ(a)
        • P(a);OGATEB::R(A),XS(a)
        • P(a);OGATEB::R(A),XB(a)
        • P(a);OGATEB,P_PINR(A)::R(A),XR(a)
        • P(c);P_SPINP(d)::QAR2(C)
      • Refutation
        • R(e);
    • Try
      • Q(C);
      • Vars
        • P(c);OGATE,XB(E)::R(A)
        • R(e);OGATEB::QAR2(C),XR(e)
        • P(a);OGATEB,P_PINR(A)::R(A),XQ(a)
        • P(a);OGATEB::R(A),XS(a)
        • P(a);OGATEB::R(A),XB(a)
        • P(a);OGATEB,P_PINR(A)::R(A),XR(a)
        • P(c);P_SPINP(d)::QAR2(C)
      • Refutation
        • R(e);
    • Try
      • Q(C);P_PINR(e)
      • Vars
        • P(c);OGATE,XB(E)::R(A)
        • P(a);OGATEB,P_PINR(A)::R(A),XQ(a)
        • P(a);OGATEB::R(A),XS(a)
        • P(a);OGATEB::R(A),XB(a)
        • P(a);OGATEB,P_PINR(A)::R(A),XR(a)
        • P(c);P_SPINP(d)::QAR2(C)
      • Refutation
        • R(e);N_SPINR(e),XQ(C)
  • Actual
    • Q(C);
    • Vars
      • P(c);OGATE,XB(E)::R(A)
      • R(e);SBLOCK::QAR(C)
      • R(e);OGATEB::QAR2(C),XR(e)
      • P(a);OGATEB,P_PINR(A)::R(A),XQ(a)
      • P(a);OGATEB::R(A),XS(a)
      • P(a);OGATEB::R(A),XB(a)
      • P(a);OGATEB,P_PINR(A)::R(A),XR(a)
      • P(c);P_SPINP(d)::QAR2(C)
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