MESON Chess Problem Database

Problem Display
PID: 162488 (8/2pR1Q2/r1p2N1B/1n2k3/6p1/1pP1PbK1/2q2rnN/4R3 w - - 0 1)

Klemanic, Emil

Salai (Jr), Ladislav

Sp. Prize, The Problemist, 2016

8/2pR1Q2/r1p2N1B/1n2k3/6p1/1pP1PbK1/2q2rnN/4R3

#2

9 + 11

16162 Morse Award 2017
56 The Problemist 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Sfxg4#
  • Tries
    • 1.Sfxg4+?
      • 1...Ke4
        • 2.Qe6#
        • 2.Qg6#
        • 2.Qh7#
      • 1...Bxg4!
    • 1.Re7+?
      • 1...Kf5
        • 2.Se4#
        • 2.Sfxg4#
        • 2.Sd5#
        • 2.Sh5#
        • 2.Sd7#
        • 2.Sh7#
        • 2.Se8#
        • 2.Sg8#
      • 1...Kd6!
    • 1.e4?
      • threat
        • 2.Qe7#
      • 1...Bxe4
        • 2.Sfxg4#
      • 1...Sf4
        • 2.Bxf4#
      • 1...Sd4
        • 2.cxd4#
      • 1...c5
        • 2.Rd5#
      • 1...Qxe4!
  • Keys
    • 1.Se4!
      • threat
        • 2.Re7#
      • 1...Kxe4
        • 2.Qe6#
      • 1...Qxe4
        • 2.Bg7#
      • 1...Bxe4
        • 2.Sxg4#
      • 1...Sf4
        • 2.exf4#
      • 1...Sd4
        • 2.exd4#
      • 1...c5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD,SBLOCK::S(F),XP(f)
  • Tries
    • Try
      • S(F);CHECK,XP(f)
      • Refutation
        • B(e);XS(F)
    • Try
      • R(H);CHECK
      • Refutation
        • K(h);S_FLIGHT
    • Try
      • P(D);
      • Threat
        • QAR2(I)
      • Vars
        • B(e);N_GUARD,P_SPINB(e),XP(D)::S(F),XP(f)
        • S(c);N_GUARD::B(G),XS(c)
        • S(g);OGATE::P(C),XS(g)
        • P(j);N_GUARD::R1(H)
      • Refutation
        • Q(a);P_SPINQ(a),XP(D)
  • Actual
    • S(F);
    • Threat
      • R(H)
    • Vars
      • K(h);P-FLIGHT,XS(F)::QAR2(I)
      • Q(a);SBLOCK,XS(F)::B(G)
      • B(e);N_GUARD,SBLOCK,XS(F)::S(B),XP(f)
      • S(c);OGATE::P(D),XS(c)
      • S(g);OGATE::P(D),XS(g)
      • P(j);N_GUARD::QAR1(I)
HTML5 logo

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).