MESON Chess Problem Database

Problem Display
PID: 124344 (r1b4B/R1pP4/1nP3Q1/R1PkP3/n2N2p1/4P2p/2K2pr1/5B2 w - - 0 1)

Lindner, Laszlo

BTSB, 1953

r1b4B/R1pP4/1nP3Q1/R1PkP3/n2N2p1/4P2p/2K2pr1/5B2

#2

12 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.cxb6#
  • Tries
    • 1.Se6?
      • threat
        • 2.Sf4#
        • 2.Sxc7#
      • 1...Rxa7
        • 2.Sf4#
      • 1...Kxc6!
    • 1.e6?
      • threat
        • 2.Qf5#
        • 2.e4#
      • 1...Sxd7
        • 2.e4#
      • 1...Sc3
        • 2.Qf5#
      • 1...Sc4
        • 2.e4#
      • 1...Sxc5!
    • 1.d8Q+?
      • 1...Sd7
        • 2.Qdg8#
      • 1...Bd7!
  • Keys
    • 1.Se2!
      • threat
        • 2.Sf4#
      • 1...Kc4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • S(d);N_GUARD::R(E)+P(F),XS(g)
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • R(i);XR(J)::S(D)
      • Refutation
        • K(f);S_FLIGHT,XP(H)
    • Try
      • P(G);
      • Threat
        • DUALS(2)
      • Vars
        • S(g);XP(K)::P(C)
        • S(d);::QAR2(I)
        • S(g);::P(C)
      • Refutation
        • S(d);P_SPINS(d),XP(F)
    • Try
      • P(K);CHECK
      • Vars
        • S(g);P_SPINS(g),S_CUTB(j)::QAB(K)
      • Refutation
        • B(j);P_SPINB(j)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(f);S_FLIGHT::QAR2(I)
HTML5 logo

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).