MESON Chess Problem Database

Problem Display
PID: 233972 (6K1/1B1p1QP1/1nq5/1r6/1NNrk1P1/8/5P2/2nb2B1 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

Skakbladet, 0000

6K1/1B1p1QP1/1nq5/1r6/1NNrk1P1/8/5P2/2nb2B1

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb4
      • 2.Qf5#
    • 1...Rf5
      • 2.Qxf5#
    • 1...Bc2
      • 2.f3#
    • 1...Bb3
      • 2.f3#
    • 1...Ba4
      • 2.f3#
    • 1...Se2
      • 2.f3#
    • 1...Sd5
      • 2.Qf5#
    • 1...d5
      • 2.Qf5#
  • Keys
    • 1.Bh2!
      • threat
        • 2.Qf4#
      • 1...Rxb4
        • 2.Qf5#
      • 1...Rf5
        • 2.Qxf5#
      • 1...Qd5
        • 2.Sd6#
      • 1...Se2
        • 2.f3#
      • 1...Sd3
        • 2.Sd2#
      • 1...Sd5
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(e);N_GUARD,XS(C)::QAB1(G)
    • R(e);N_GUARD::QAB1(G),XR(e)
    • B(b);N_GUARD::P(B)
    • S(a);S_CUTB(b)::P(B)
    • S(f);N_SPINQ(g),S_CUTR(e)::QAB1(G)
    • P(h);N_SPINQ(g),S_CUTR(e)::QAB1(G)
  • Actual
    • B(A);
    • Threat
      • QAR1(G)
    • Vars
      • R(e);N_GUARD,XS(C)::QAB1(G)
      • R(e);N_GUARD::QAB1(G),XR(e)
      • Q(g);P_PINQ(G),S_CUTR(c)::S(D)
      • S(a);S_CUTB(b)::P(B)
      • S(a);S_CUTR(c)::S(D)
      • S(f);N_SPINQ(g),S_CUTR(e)::QAB1(G)
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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).