MESON Chess Problem Database

Problem Display
PID: 224759 (8/2pKp3/1p2N2Q/3k4/3b4/7n/3N1R2/7q w - - 0 1)

Pap, Jeno

Wiener Hausfrauen-Zeitung, 1888

8/2pKp3/1p2N2Q/3k4/3b4/7n/3N1R2/7q

#2

5 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.Rf5#
    • 1...Bc5
      • 2.Rf5#
  • Tries
    • 1.Sxc7+?
      • 1...Ke5
        • 2.Qg7#
        • 2.Qe6#
        • 2.Qh8#
      • 1...Kc5!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qxd4#
      • 1...Bxe3
        • 2.Rf5#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Qa1
        • 2.Qe4#
      • 1...Ba1
        • 2.Sxc7#
      • 1...Bb2
        • 2.Sxc7#
      • 1...Bc3
        • 2.Sxc7#
      • 1...Bc5
        • 2.Sxc7#
        • 2.Rf5#
      • 1...Be5
        • 2.Qb3#
      • 1...Bf6
        • 2.Sxc7#
      • 1...Bg7
        • 2.Sxc7#
      • 1...Bh8
        • 2.Sxc7#
      • 1...c5
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 1
  • Sets
    • B(c);N_GUARD::R(B)
  • Tries
    • Try
      • S(C);CHECK,XP(f)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • Q(D);
    • Threat
      • QAR1(D),XB(c)
    • Vars
      • B(c);N_GUARD,XQ(D)::R(B)
      • Q(a);N_GUARD::QAB1(D),XQ(a)
      • Q(a);N_GUARD::QAB1(D)
      • B(c);::S(C),XP(f)
      • B(c);SBLOCK::QAB(D)
      • P(f);SBLOCK::S(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).