MESON Chess Problem Database

Problem Display
PID: 64324 (B2n2K1/7Q/R3nN2/3Nkrp1/8/2PR1p2/3q4/2B5 w - - 0 1)

Hebelt, Vaclav

2nd Prize, Tinerimya Moldavska, 1982

B2n2K1/7Q/R3nN2/3Nkrp1/8/2PR1p2/3q4/2B5

#2

9 + 7

3752 FIDE Album (1980-1982) 1988
721 Variantim 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Qe3
      • 2.Rxe3#
    • 1...Qd1
      • 2.Re3#
    • 1...Qa2
      • 2.Re3#
    • 1...Qb2
      • 2.Re3#
    • 1...Qg2
      • 2.Re3#
    • 1...Qh2
      • 2.Re3#
    • 1...Rf4
      • 2.Sd7#
    • 1...Sd4
      • 2.Qc7#
      • 2.cxd4#
    • 1...Sf4
      • 2.Qc7#
    • 1...Sc5
      • 2.Qc7#
    • 1...Sc7
      • 2.Qxc7#
    • 1...Sf8
      • 2.Qc7#
  • Tries
    • 1.Bxd2?
      • threat
        • 2.Re3#
      • 1...Rf4
        • 2.Sd7#
      • 1...Sc5
        • 2.Qc7#
      • 1...Sc6!
    • 1.Rxe6+?
      • 1...Kxe6
        • 2.Qe7#
      • 1...Sxe6!
  • Keys
    • 1.Se7!
      • threat
        • 2.Qxf5#
      • 1...Kf4
        • 2.Qh2#
      • 1...Kxf6
        • 2.Qg7#
      • 1...Qxd3
        • 2.Sg4#
      • 1...Rxf6
        • 2.Qe4#
      • 1...Qf4
        • 2.Sd7#
      • 1...Rf4
        • 2.Sd7#
      • 1...Sd4
        • 2.Sg6#
      • 1...Sg7
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 10
  • Sets
    • Q(a);N_GUARD::R(C),XQ(a)
    • Q(a);N_GUARD::R(C)
    • R(d);::S(F)
    • S(f);N_GUARD::QAB(G)
    • S(f);N_GUARD::QAB(G),XS(f)
  • Tries
    • Try
      • B(A);XQ(a)
      • Threat
        • R(C)
      • Vars
        • R(d);::S(F)
        • S(f);N_GUARD::QAB(G)
      • Refutation
        • S(g);
    • Try
      • R(E);CHECK,XS(f)
      • Vars
        • K(c);P-FLIGHT,XR(E)::QAR1(G)
      • Refutation
        • S(g);XR(E)
  • Actual
    • S(D);
    • Threat
      • QAR1(G),XR(d)
    • Vars
      • K(c);P_SPINQ(a),S_FLIGHT::QAB(G)
      • K(c);OGATEB,P_SPINS(f),S_FLIGHT,XS(F)::QAB1(G)
      • Q(a);XR(C)::S(F)
      • R(d);OGATE,SBLOCK,XS(F)::QAR1(G)
      • Q(a);::S(F)
      • R(d);SBLOCK::S(F)
      • S(f);::S(D)
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).