MESON Chess Problem Database

Problem Display
PID: 83737 (1n6/8/1PPkNP2/6r1/1Pb3QP/2NrR1KP/5PBB/3R4 w - - 0 1)

Ellerman, Arnoldo

El Ajedrez Espanol, 1946

1n6/8/1PPkNP2/6r1/1Pb3QP/2NrR1KP/5PBB/3R4

#2

15 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg4+
      • 2.Kxg4#
    • 1...Rc5
      • 2.bxc5#
  • Keys
    • 1.Sd8!
      • threat
        • 2.Sb7#
      • 1...Rxg4+
        • 2.Kxg4#
      • 1...Rdd5
        • 2.Re6#
      • 1...Rgd5
        • 2.Qe6#
      • 1...Rg7
        • 2.Kf3#
      • 1...Bd5
        • 2.Sb5#
      • 1...Ba6
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • R(c);CHECK,XQ(J)::B(D)+K(G),XR(c)
    • R(c);N_PINQ(J),OGATE::P(I),XR(c)
  • Actual
    • S(N);
    • Threat
      • S(N)
    • Vars
      • R(c);CHECK,XQ(J)::B(D)+K(G),XR(c)
      • R(a);N_PINR(F)::R1(F)
      • R(c);N_PINQ(J),N_SPINR(a)::QAR1(J)
      • R(c);N_GUARD::B(D)+K(G)
      • B(b);N_GUARD,N_SPINR(a),S_CUTR(c)::S(E)
      • B(b);N_GUARD::S(N)
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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).