MESON Chess Problem Database

Problem Display
PID: 40349 (1K1R4/2p5/2k5/Q1p1r3/1n3r2/3N4/1b6/3n4 w - - 0 1)

Thomsen, Svend Orvar

Aarsskrift for DSK, 1938

1K1R4/2p5/2k5/Q1p1r3/1n3r2/3N4/1b6/3n4

#2

4 + 8

3979 Systematic Terminology 1984
3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sxe5#
    • 1...Re1
      • 2.Qxc5#
    • 1...Re2
      • 2.Qxc5#
    • 1...Re3
      • 2.Qxc5#
    • 1...Re4
      • 2.Qxc5#
    • 1...Re6
      • 2.Qxc5#
    • 1...Re7
      • 2.Qxc5#
    • 1...Re8
      • 2.Qxc5#
    • 1...Bc1
      • 2.Sxe5#
    • 1...Ba3
      • 2.Sxe5#
    • 1...Sc3
      • 2.Sxe5#
    • 1...Sa2
      • 2.Qa6#
    • 1...Sc2
      • 2.Qa6#
    • 1...Sxd3
      • 2.Qa6#
    • 1...Sd5
      • 2.Qxc5#
    • 1...Sa6+
      • 2.Qxa6#
    • 1...c4
      • 2.Sxb4#
  • Tries
    • 1.Qa7?
      • threat
        • 2.Qb7#
      • 1...Sa6+
        • 2.Qxa6#
      • 1...Kb5!
  • Keys
    • 1.Ka7!
      • threat
        • 2.Qa4#
      • 1...Sxd3
        • 2.Qa6#
      • 1...Sc3
        • 2.Sxe5#
      • 1...Sa2
        • 2.Qa6#
      • 1...Sc2
        • 2.Qa6#
      • 1...Sd5
        • 2.Qxc5#
      • 1...Sa6
        • 2.Qxa6#
      • 1...c4
        • 2.Sxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 10
  • Sets
    • R(d);S_CUTB(b)::S(A),XR(f)
    • R(f);N_GUARD::QAR1(B),XP(e)
    • R(f);N_GUARD,P_PINR(D)::QAR1(B),XP(e)
    • B(b);N_GUARD::S(A),XR(f)
    • S(a);S_CUTB(b)::S(A),XR(f)
    • S(c);N_GUARD::QAR2(B)
    • S(c);N_GUARD,XS(A)::QAR2(B)
    • S(c);S_CUTR(f)::QAR1(B),XP(e)
    • S(c);CHECK,N_GUARD::QAR2(B),XS(c)
    • P(e);N_GUARD,S_CUTR(d)::S(A),XS(c)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • S(c);CHECK,N_GUARD::QAR2(B),XS(c)
      • Refutation
        • K(g);S_FLIGHT
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • QAB(B)
    • Vars
      • S(c);N_GUARD,XS(A)::QAR2(B)
      • S(a);S_CUTB(b)::S(A),XR(f)
      • S(c);N_GUARD::QAR2(B)
      • S(c);S_CUTR(f)::QAR1(B),XP(e)
      • S(c);N_GUARD::QAR2(B),XS(c)
      • P(e);N_GUARD,S_CUTR(d)::S(A),XS(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).