MESON Chess Problem Database

Problem Display
PID: 72587 (2N3K1/1PP5/2p1k1p1/rR5p/3np1r1/3N3B/5R2/B4Q2 w - - 0 1)

Ellerman, Arnoldo

Tijdschrift vd KNSB, 1936

2N3K1/1PP5/2p1k1p1/rR5p/3np1r1/3N3B/5R2/B4Q2

#2

10 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4+?
      • 1...Kf6
        • 2.Bxd4#
      • 1...Kd7!
    • 1.Re5+?
      • 1...Kd7
        • 2.Rf7#
        • 2.Re7#
      • 1...Rxe5!
  • Keys
    • 1.Rd2!
      • threat
        • 2.Qf7#
      • 1...Kd7
        • 2.Qf7#
      • 1...Sf5
        • 2.Sc5#
      • 1...Sf3
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(g);N_SPINR(c),P-FLIGHT,P_SPINS(a)::B(A),XS(a)
      • Refutation
        • K(g);S_FLIGHT
    • Try
      • R(F);CHECK
      • Refutation
        • R(d);XR(F)
  • Actual
    • R(C);
    • Threat
      • QAB1(B)
    • Vars
      • K(g);S_FLIGHT::QAR2(B)
      • S(a);N_SPINR(c)::S(D)
      • S(a);::S(D)
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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).