MESON Chess Problem Database

Problem Display
PID: 154430 (1Q1R4/2N5/1n1N4/R1b5/p2k1B2/P7/2B5/1K6 w - - 0 1)

Hart, Tom G

Leeds Mercury, 1886

(First published on Sat Jul 10 1886)

1Q1R4/2N5/1n1N4/R1b5/p2k1B2/P7/2B5/1K6

#2

9 + 4

15351 SCPF/BCPS Black Books 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Scb5#
    • 1...Sc4
      • 2.Sdb5#
    • 1...Sd5
      • 2.Scb5#
    • 1...Sd7
      • 2.Qb2#
    • 1...Sa8
      • 2.Qb2#
    • 1...Sc8
      • 2.Qb2#
  • Tries
    • 1.Rxc5?
      • threat
        • 2.Se6#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Kxc5!
    • 1.Rd7?
      • threat
        • 2.Qh8#
      • 1...Kc3
        • 2.Scb5#
      • 1...Sxd7
        • 2.Qb2#
      • 1...Sc4
        • 2.Sdb5#
      • 1...Sd5
        • 2.Scb5#
      • 1...Sc8
        • 2.Qb2#
      • 1...Bxd6!
    • 1.Qxb6?
      • threat
        • 2.Qxc5#
        • 2.Qb2#
      • 1...Kc3
        • 2.Scb5#
        • 2.Qxc5#
        • 2.Qb2#
      • 1...Bxb6!
  • Keys
    • 1.Rc8!
      • 1...Kc3
        • 2.Scb5#
      • 1...Bxa3
        • 2.Se6#
      • 1...Bxd6
        • 2.Se6#
      • 1...Sxc8
        • 2.Qb2#
      • 1...Bb4
        • 2.Se6#
      • 1...Sc4
        • 2.Sdb5#
      • 1...Sd5
        • 2.Scb5#
      • 1...Sd7
        • 2.Qb2#
      • 1...Sa8
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(G)
    • S(d);SBLOCK::R(I)+S(F),DCHECK
    • S(d);SBLOCK::S(G)
    • S(d);OGATE::QAB(H)
  • Tries
    • Try
      • R(E);XB(c)
      • Threat
        • S(G)
      • Vars
        • S(d);N_GUARD::R1(E),XS(d)
      • Refutation
        • K(b);S_FLIGHT,XR(E)
    • Try
      • R(I);
      • Threat
        • QAB(H)
      • Vars
        • K(b);S_FLIGHT::S(G)
        • S(d);OGATE,XR(I)::QAB(H)
        • S(d);SBLOCK::R(I)+S(F),DCHECK
        • S(d);SBLOCK::S(G)
        • S(d);OGATE::QAB(H)
      • Refutation
        • B(c);P_SPINB(c),XS(F)
    • Try
      • Q(H);P_PINB(c),XS(d)
      • Threat
        • DUALS(2)
      • Refutation
        • B(c);N_SPINB(c),XQ(H)
  • Actual
    • R(I);
    • Vars
      • K(b);S_FLIGHT::S(G)
      • B(c);XP(C)::S(G)
      • B(c);XS(F)::S(G)
      • S(d);OGATE,XR(I)::QAB(H)
      • B(c);::S(G)
      • S(d);SBLOCK::S(F)
      • S(d);SBLOCK::S(G)
      • S(d);OGATE::QAB(H)
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