MESON Chess Problem Database

Problem Display
PID: 156150 (NQ1B4/1PpP3R/4k1pp/1nK5/4P1n1/3Np3/8/8 w - - 0 1)

Meyer, Max Julius

Leeds Mercury, 1899

(First published on Sat Feb 11 1899)

NQ1B4/1PpP3R/4k1pp/1nK5/4P1n1/3Np3/8/8

#2

9 + 7

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Se5
      • 2.Sf4#
    • 1...Sf6
      • 2.Re7#
    • 1...Sa3
      • 2.Sxc7#
    • 1...Sc3
      • 2.Sxc7#
    • 1...Sd4
      • 2.Sxc7#
    • 1...Sd6
      • 2.Sxc7#
    • 1...Sa7
      • 2.Sxc7#
    • 1...c6
      • 2.Sf4#
  • Tries
    • 1.Bh4?
      • threat
        • 2.Re7#
        • 2.Qe8#
        • 2.Qg8#
        • 2.d8S#
      • 1...Se5
        • 2.Sf4#
        • 2.Re7#
        • 2.Qe8#
        • 2.d8S#
      • 1...Sf6
        • 2.d8S#
      • 1...Sd6
        • 2.Sxc7#
        • 2.Re7#
        • 2.d8S#
      • 1...g5!
    • 1.Bg5?
      • threat
        • 2.Re7#
        • 2.Qe8#
        • 2.Qg8#
        • 2.d8S#
      • 1...Se5
        • 2.Sf4#
        • 2.Re7#
        • 2.Qe8#
        • 2.d8S#
      • 1...Sf6
        • 2.d8S#
      • 1...Sd6
        • 2.Sxc7#
        • 2.Re7#
        • 2.d8S#
      • 1...hxg5!
    • 1.Qxc7?
      • threat
        • 2.Sf4#
      • 1...Sxc7
        • 2.Sxc7#
      • 1...Sd6
        • 2.Qxd6#
      • 1...g5!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qa2#
      • 1...Sxa7
        • 2.Sxc7#
      • 1...Se5
        • 2.Sf4#
      • 1...Sf6
        • 2.Re7#
      • 1...Sa3
        • 2.Sxc7#
      • 1...Sc3
        • 2.Sxc7#
      • 1...Sd4
        • 2.Sxc7#
      • 1...Sd6
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • S(b);SBLOCK::S(A)
    • S(b);SBLOCK::R1(F)
    • S(c);N_GUARD::S(G),XP(g)
    • P(g);::S(A)
  • Tries
    • Try
      • B(I);
      • Threat
        • DUALS(4)
      • Vars
        • S(b);::P=S
      • Refutation
        • P(e);
    • Try
      • B(I);
      • Threat
        • DUALS(4)
      • Vars
        • S(b);::P=S
      • Refutation
        • P(f);XB(I)
    • Try
      • Q(H);XP(g)
      • Threat
        • S(A)
      • Vars
        • S(c);XQ(H)::S(G),XS(c)
        • S(c);N_GUARD::QAR1(H),XS(c)
      • Refutation
        • P(e);
  • Actual
    • Q(H);
    • Threat
      • QAB(H)
    • Vars
      • S(c);N_GUARD,XQ(H)::S(G),XP(g)
      • S(b);SBLOCK::S(A)
      • S(b);SBLOCK::R1(F)
      • S(c);N_GUARD::S(G),XP(g)
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