MESON Chess Problem Database

Problem Display
PID: 105050 (b6B/5pR1/1pN4K/6np/1Q2Pk1p/7P/1N1R1P2/1B6 w - - 0 1)

Klemanic, Emil

1st HM., Hlas l'udu, 1996

b6B/5pR1/1pN4K/6np/1Q2Pk1p/7P/1N1R1P2/1B6

#2

11 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3
      • 2.Sd3#
      • 2.Rxf7#
    • 1...Sxe4
      • 2.Rxf7#
      • 2.Qxe4#
    • 1...Se6
      • 2.Rxf7#
  • Tries
    • 1.Se5?
      • threat
        • 2.Sbd3#
      • 1...Kxe5
        • 2.Qd6#
      • 1...Sxe4
        • 2.Rxf7#
      • 1...Bxe4!
    • 1.Rd5?
      • threat
        • 2.Rf5#
      • 1...Sxe4
        • 2.Rxf7#
        • 2.Qxe4#
      • 1...f5
        • 2.Rxf5#
      • 1...Kf3!
    • 1.Rxg5?
      • threat
        • 2.Rf5#
      • 1...f5
        • 2.Rxf5#
      • 1...Kf3!
    • 1.Qc3?
      • threat
        • 2.Qf6#
        • 2.Qe3#
      • 1...Bxc6
        • 2.Qf6#
      • 1...Sh7
        • 2.Qe3#
      • 1...f5
        • 2.Qe3#
      • 1...f6
        • 2.Qxf6#
        • 2.Qe3#
      • 1...Sxe4!
    • 1.Qd4?
      • threat
        • 2.Qe3#
        • 2.Qf6#
      • 1...Bxc6
        • 2.Qf6#
      • 1...Sxe4
        • 2.Rxf7#
        • 2.Qxe4#
      • 1...Sh7
        • 2.Qe3#
      • 1...f5
        • 2.Qe3#
      • 1...f6
        • 2.Qe3#
        • 2.Qxf6#
      • 1...Kf3!
    • 1.e5+?
      • 1...Se4
        • 2.Rxf7#
        • 2.Qxe4#
      • 1...Kf3!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qd6#
      • 1...Ke5
        • 2.Rxf7#
      • 1...Sxe4
        • 2.Sd3#
      • 1...Sf3
        • 2.Rxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(c);N_GUARD::R(J),XP(f)
  • Tries
    • Try
      • S(H);
      • Threat
        • S(B)
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(H)::QAB1(F)
        • S(c);N_GUARD,P_SPINS(c),XP(G)::R(J),XP(f)
      • Refutation
        • B(g);P_SPINB(g),XP(G)
    • Try
      • R(C);
      • Threat
        • R1(C)
      • Vars
        • P(f);::R1(C),XP(f)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(J);XS(c)
      • Threat
        • R1(J)
      • Vars
        • P(f);::R1(J),XP(f)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(g);XS(H)::QAR2(F)
        • S(c);::QAB1(F)
        • P(f);::QAB1(F)
      • Refutation
        • S(c);XP(G)
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(g);XS(H)::QAR2(F)
        • S(c);::QAB1(F)
        • P(f);::QAB1(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(G);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(H);
    • Threat
      • QAB(F)
    • Vars
      • K(a);S_FLIGHT::B(K)+R(J),XP(f)
      • S(c);SBLOCK,XP(G)::S(B)
      • S(c);N_GUARD::R(J),XP(f)
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).