MESON Chess Problem Database

Problem Display
PID: 62948 (8/q1p4n/2R1Qp1b/B3RN1K/n1Np2p1/1Brk1P2/8/5b2 w - - 0 1)

Mladenovic, Slobodan

2nd Prize, Phenix, 1988

8/q1p4n/2R1Qp1b/B3RN1K/n1Np2p1/1Brk1P2/8/5b2

#2

9 + 11

702 Phenix 1990

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc4
      • 2.Qxc4#
  • Tries
    • 1.Re1?
      • threat
        • 2.Qe4#
      • 1...Sg5
        • 2.Rd1#
      • 1...Sc5!
    • 1.Re2?
      • threat
        • 2.Qe4#
      • 1...Sc5
        • 2.Sb2#
      • 1...Sg5
        • 2.Rd2#
      • 1...Be3!
    • 1.Rd5?
      • threat
        • 2.Qe4#
      • 1...Be3
        • 2.Qxe3#
      • 1...Sc5
        • 2.Rxd4#
      • 1...Sg5
        • 2.Qe3#
      • 1...gxf3!
  • Keys
    • 1.Qd5!
      • threat
        • 2.Qe4#
      • 1...Be3
        • 2.Rxe3#
      • 1...Sc5
        • 2.Qxd4#
      • 1...Sg5
        • 2.Re3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(b);OGATE,XS(C)::QAB1(I),XR(b)
  • Tries
    • Try
      • R(E);
      • Threat
        • QAB1(I)
      • Vars
        • S(k);S_CUTB(h)::R(E)
      • Refutation
        • S(d);
    • Try
      • R(E);
      • Threat
        • QAB1(I)
      • Vars
        • S(d);N_GUARD::S(C)
        • S(k);S_CUTB(h)::R1(E)
      • Refutation
        • B(h);
    • Try
      • R(E);P_PINP(e)
      • Threat
        • QAB1(I)
      • Vars
        • B(h);N_GUARD::QAR1(I),XB(h)
        • S(d);S_CUTQ(i)::R1(E),XP(e)
        • S(k);S_CUTB(h)::QAR1(I)
      • Refutation
        • P(f);XP(B)
  • Actual
    • Q(I);P_PINP(e)
    • Threat
      • QAB1(I)
    • Vars
      • B(h);N_GUARD::R1(E),XB(h)
      • S(d);S_CUTQ(i)::QAR1(I),XP(e)
      • S(k);S_CUTB(h)::R1(E)
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).