MESON Chess Problem Database

Problem Display
PID: 49200 (8/B7/1r2p1K1/3P1p2/1P1kNN2/PP1rR1Q1/1pp2P2/8 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Arbejder-Skak, 1949

8/B7/1r2p1K1/3P1p2/1P1kNN2/PP1rR1Q1/1pp2P2/8

#2

11 + 7

461 Schach-Express 1949

SOLUTION

  • SOUND
  • Sets
    • 1...exd5+
      • 2.Se6#
    • 1...e5+
      • 2.Bxb6#
  • Tries
    • 1.Rxd3+?
      • 1...Kxe4
        • 2.Qe3#
      • 1...Ke5!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sb5#
      • 1...Kc3
        • 2.Rxd3#
      • 1...Rxb3
        • 2.Bxb6#
      • 1...Rxe3
        • 2.Qxe3#
      • 1...exd5
        • 2.Se2#
      • 1...e5
        • 2.Rxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(g);CHECK,SBLOCK,XP(I)::S(H)
    • P(g);CHECK,SBLOCK::B(K),XR(f)
  • Tries
    • Try
      • R(D);CHECK,XR(c)
      • Vars
        • K(d);N_SPINR(f),P-FLIGHT,XS(G)::QAR1(E)
      • Refutation
        • K(d);N_SPINR(f),S_FLIGHT
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(d);N_SPINR(f),P_SPINR(c),S_FLIGHT::R1(D),XR(c)
      • R(c);XP(C)::B(K),XR(f)
      • R(c);OGATE,XR(D)::QAB1(E),XR(c)
      • P(g);P_PINS(G),SBLOCK,XP(I)::S(H)
      • P(g);P_PINS(G),SBLOCK::R1(D),XR(c)
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).