MESON Chess Problem Database

Problem Display
PID: 193643 (K1R5/3Nb3/4p3/1N1k3r/p3b2p/r3nB1Q/n1P5/8 w - - 0 1)

Farkas, Bertalan

Pesti Naplo, 1915

K1R5/3Nb3/4p3/1N1k3r/p3b2p/r3nB1Q/n1P5/8

#2

7 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Sb6#
    • 1...Bxf3
      • 2.Qxf3#
    • 1...Bc5
      • 2.Rxc5#
    • 1...Bg5
      • 2.Rc5#
    • 1...Bf6
      • 2.Rc5#
    • 1...Bd8
      • 2.Rc5#
    • 1...Sd1
      • 2.c4#
    • 1...Sf1
      • 2.c4#
    • 1...Sg2
      • 2.c4#
    • 1...Sg4
      • 2.c4#
    • 1...Sf5
      • 2.c4#
    • 1...e5
      • 2.Sb6#
  • Tries
    • 1.Qg4?
      • threat
        • 2.Bxe4#
        • 2.Qxe4#
      • 1...Bxf3
        • 2.Qxf3#
        • 2.Qd4#
      • 1...Sxg4
        • 2.c4#
      • 1...Bc5
        • 2.Rxc5#
        • 2.Qxe4#
      • 1...Re5
        • 2.Sb6#
      • 1...e5
        • 2.Sb6#
        • 2.Bxe4#
        • 2.Qg8#
      • 1...Sc3!
  • Keys
    • 1.Qg2!
      • threat
        • 2.Bxe4#
      • 1...Bxf3
        • 2.Qxf3#
      • 1...Sxg2
        • 2.c4#
      • 1...Bc5
        • 2.Rxc5#
      • 1...e5
        • 2.Qg8#
      • 1...Re5
        • 2.Sb6#
      • 1...Sc3
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • R(h);SBLOCK::S(E)
    • B(e);N_SPINB(e),OGATE,XB(B)::QAB(C),XB(e)
    • B(j);N_GUARD::R1(G),XB(j)
    • B(j);N_GUARD::R1(G)
    • S(c);N_GUARD::P(A)
    • P(i);SBLOCK::S(E)
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);N_GUARD,XQ(C)::P(A)
        • R(h);SBLOCK::S(E)
      • Refutation
        • S(a);
  • Actual
    • Q(C);
    • Threat
      • B(B),XB(e)
    • Vars
      • B(e);OGATE,XB(B)::QAB(C),XB(e)
      • S(c);N_GUARD,XQ(C)::P(A)
      • B(j);N_GUARD::R1(G),XB(j)
      • P(i);OGATEB::QAB(C)
      • R(h);SBLOCK::S(E)
      • S(a);S_CUTR(b)::QAR(C)
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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).