MESON Chess Problem Database

Problem Display
PID: 249600 (2B5/6Q1/2p2P2/p1PpP3/P2k1p2/pK3P2/R3P3/8 w - - 0 1)

L'Hermet, Johann Georg Rudolf

Deutsche Schachzeitung, 1894

2B5/6Q1/2p2P2/p1PpP3/P2k1p2/pK3P2/R3P3/8

#2

10 + 6

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qg1#
    • 1...Kxc5
      • 2.Qa7#
    • 1...Kxe5
      • 2.f7#
  • Tries
    • 1.Bg4?
      • 1...Kxc5
        • 2.Qa7#
      • 1...Kxe5
        • 2.f7#
      • 1...Ke3!
    • 1.Bf5?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kxc5
        • 2.Qa7#
      • 1...Kxe5!
    • 1.Ba6?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kxc5
        • 2.Qa7#
      • 1...Kxe5!
    • 1.Be6?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kxc5
        • 2.Qa7#
      • 1...Kxe5!
    • 1.Bd7?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kxe5
        • 2.f7#
      • 1...Kxc5!
    • 1.Rc2?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kxe5
        • 2.f7#
      • 1...a2!
    • 1.Rd2+?
      • 1...Kxc5
        • 2.Qa7#
      • 1...Kxe5
        • 2.Qg5#
        • 2.Qe7#
        • 2.f7#
      • 1...Ke3!
    • 1.Rxa3?
      • 1...Kxc5
        • 2.Qa7#
      • 1...Kxe5
        • 2.f7#
      • 1...Ke3!
    • 1.Qg5?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kxc5!
    • 1.Qc7?
      • 1...Kxc5
        • 2.Qa7#
      • 1...Ke3!
    • 1.f7?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kxc5!
  • Keys
    • 1.Bh3!
      • 1...Ke3
        • 2.Qg1#
      • 1...Kxc5
        • 2.Qa7#
      • 1...Kxe5
        • 2.f7#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB(I)
    • K(b);OGATEB,S_FLIGHT,XP(F)::QAB(I)
    • K(b);S_FLIGHT,XP(G)::QAB(I)+P(H)
  • Tries
    • Try
      • B(J);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB(I)
        • K(b);S_FLIGHT,XP(G)::QAB(I)+P(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(J);
      • Vars
        • K(b);S_FLIGHT::QAB(I)
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB(I)
      • Refutation
        • K(b);S_FLIGHT,XP(G)
    • Try
      • B(J);
      • Vars
        • K(b);S_FLIGHT::QAB(I)
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB(I)
      • Refutation
        • K(b);S_FLIGHT,XP(G)
    • Try
      • B(J);
      • Vars
        • K(b);S_FLIGHT::QAB(I)
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB(I)
      • Refutation
        • K(b);S_FLIGHT,XP(G)
    • Try
      • B(J);
      • Vars
        • K(b);S_FLIGHT::QAB(I)
        • K(b);S_FLIGHT,XP(G)::QAB(I)+P(H)
      • Refutation
        • K(b);S_FLIGHT,XP(F)
    • Try
      • R(A);
      • Vars
        • K(b);S_FLIGHT::QAB(I)
        • K(b);S_FLIGHT,XP(G)::QAB(I)+P(H)
      • Refutation
        • P(a);
    • Try
      • R(A);CHECK
      • Vars
        • K(b);S_FLIGHT,XP(F)::QAB(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(A);XP(a)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XP(F)::QAB(I)
        • K(b);S_FLIGHT,XP(G)::QAB(I)+P(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(I);
      • Vars
        • K(b);P_SPINP(c),S_FLIGHT::QAB(I)
      • Refutation
        • K(b);S_FLIGHT,XP(F)
    • Try
      • Q(I);
      • Vars
        • K(b);OGATEB,P_SPINP(f),S_FLIGHT,XP(F)::QAB(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(H);
      • Vars
        • K(b);S_FLIGHT::QAB(I)
      • Refutation
        • K(b);S_FLIGHT,XP(F)
  • Actual
    • B(J);
    • Vars
      • K(b);S_FLIGHT::QAB(I)
      • K(b);OGATEB,S_FLIGHT,XP(F)::QAB(I)
      • K(b);S_FLIGHT,XP(G)::QAB(I)+P(H)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).