MESON Chess Problem Database

Problem Display
PID: 39604 (4B1K1/2pr1p2/R5P1/R1Pkp2Q/4r3/1P6/4N3/B1b5 w - - 0 1)

Denkovski, Ivan

1/2 Place, Match: Macedonia - USA, 2001

4B1K1/2pr1p2/R5P1/R1Pkp2Q/4r3/1P6/4N3/B1b5

#2

10 + 7

145 StrateGems 2001
15148 Sadier Collection 2014
16117 Izbrani Shakhovski Problemi (Denkovskis) 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Ra4
      • 2.Qxe5#
    • 1...Rb4
      • 2.Qxe5#
    • 1...Rc4
      • 2.Qxe5#
    • 1...Rd4
      • 2.Sc3#
    • 1...Rf4
      • 2.Qxe5#
    • 1...Rg4
      • 2.Qxe5#
    • 1...Rh4
      • 2.Qxe5#
  • Tries
    • 1.Sf4+?
      • 1...Rxf4
        • 2.Qxe5#
      • 1...Bxf4!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qxd7#
      • 1...Rxe2
        • 2.Qd3#
      • 1...Re3
        • 2.Sf4#
      • 1...Ra4
        • 2.Qxe5#
      • 1...Rb4
        • 2.Qxe5#
      • 1...Rc4
        • 2.Qxe5#
      • 1...Rd4
        • 2.Sc3#
      • 1...Rf4
        • 2.Qxe5#
      • 1...Rg4
        • 2.Qxe5#
      • 1...Rh4
        • 2.Qxe5#
      • 1...Rd6
        • 2.c6#
      • 1...Re7
        • 2.Bc6#
      • 1...Rd8
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD::QAR1(F),XP(d)
    • R(b);SBLOCK::S(B)
    • R(b);N_GUARD,P_PINP(H)::QAR1(F),XP(d)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • R(b);XS(B)::QAR1(F),XP(d)
      • Refutation
        • B(a);XS(B)
  • Actual
    • Q(F);
    • Threat
      • QAR2(F),XR(f)
    • Vars
      • R(b);OGATE,XS(B)::QAR2(F)
      • R(b);N_GUARD,S_CUTB(a)::S(B)
      • R(b);N_GUARD::QAR1(F),XP(d)
      • R(b);SBLOCK::S(B)
      • R(b);N_GUARD,P_PINP(H)::QAR1(F),XP(d)
      • R(f);SBLOCK::R(D)+P(E)
      • R(f);OGATE::B(I)
      • R(f);N_GUARD,P_PINB(I)::QAB(F),XP(g)
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).