MESON Chess Problem Database

Problem Display
PID: 178995 (5n2/2p1R1p1/2P5/KB1kP1NN/1Qp3R1/p1r2p2/q1bbP3/B7 w - - 0 1)

Thomsen, Svend Orvar

4th HM., DSK National Ty., 1937

5n2/2p1R1p1/2P5/KB1kP1NN/1Qp3R1/p1r2p2/q1bbP3/B7

#2

11 + 11

4035 Aarsskrift for DSK 1937
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.Rd4#
    • 1...Rd3
      • 2.e4#
    • 1...Re3
      • 2.Sf4#
      • 2.Rd4#
    • 1...g6
      • 2.Sf6#
  • Tries
    • 1.Rd7+?
      • 1...Kxe5
        • 2.Qc5#
      • 1...Sxd7!
  • Keys
    • 1.Rxc7!
      • threat
        • 2.Qd6#
      • 1...Kxe5
        • 2.Qc5#
      • 1...Rb3
        • 2.Bxc4#
      • 1...Rd3
        • 2.e4#
      • 1...Re3
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(e);P_PINQ(C)::R1(D)
    • R(e);P_PINQ(C),S_CUTB(b)::P(B)
    • P(j);N_GUARD::S(I)
  • Tries
    • Try
      • R(K);CHECK
      • Vars
        • K(h);P-FLIGHT,P_SPINR(e),XP(G)::QAR2(C)
      • Refutation
        • S(k);XR(K)
  • Actual
    • R(K);XP(i)
    • Threat
      • QAR1(C)
    • Vars
      • K(h);P-FLIGHT,P_SPINR(e),XP(G)::QAR2(C)
      • R(e);N_GUARD,P_PINQ(C),S_CUTQ(a)::B(F),XP(g)
      • R(e);P_PINQ(C),S_CUTB(b)::P(B)
      • R(e);P_PINQ(C),S_CUTB(c)::S(I)
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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).