MESON Chess Problem Database

Problem Display
PID: 71025 (RRN5/3Q4/1N1P4/1PpK4/1pp2P2/PkP5/prr1P3/nbBB4 w - c5 0 1)

Velimirovic, Milan

1st Prize, Schach-Echo, 1979

RRN5/3Q4/1N1P4/1PpK4/1pp2P2/PkP5/prr1P3/nbBB4

#2

14 + 9

4901 Best Problems 2006
14475 Mat Plus Review 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc3
      • 2.Qh3#
  • Tries
    • 1.Sa4?
      • 1...Kxa3
        • 2.Sxc5#
      • 1...bxc3
        • 2.Sxc5#
      • 1...bxa3!
    • 1.Sxc4?
      • 1...Kxc3
        • 2.Qh3#
      • 1...bxa3
        • 2.Rxa3#
      • 1...bxc3!
    • 1.Qa7?
      • 1...bxa3
        • 2.Qxa3#
      • 1...bxc3
        • 2.Qa4#
      • 1...Kxc3!
  • Keys
    • 1.bxc5 ep!
      • 1...Kxc3
        • 2.Qh3#
      • 1...bxa3
        • 2.Sa4#
      • 1...bxc3
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(f);N_SPINR(e),OGATEB,P-FLIGHT,XP(E)::QAR(K)
  • Tries
    • Try
      • S(I);
      • Vars
        • K(f);N_SPINR(e),P-FLIGHT,P_SPINR(d),XP(D)::R(L)+S(I),XP(i)
        • P(g);SBLOCK,XP(E)::S(I),XP(i)
      • Refutation
        • P(g);XP(D)
    • Try
      • S(I);XP(h)
      • Vars
        • K(f);N_SPINR(e),OGATEB,P-FLIGHT,XP(E)::QAR(K)
        • P(g);OGATE,XP(D)::R1(L),XP(g)
      • Refutation
        • P(g);XP(E)
    • Try
      • Q(K);
      • Vars
        • P(g);OGATE,XP(D)::QAR1(K),XP(g)
        • P(g);SBLOCK,XP(E)::QAB1(K)
      • Refutation
        • K(f);N_SPINR(e),P-FLIGHT,XP(E)
  • Actual
    • P(G);EP,XP(i)
    • Vars
      • K(f);N_SPINR(e),OGATEB,P-FLIGHT,XP(E)::QAR(K)
      • P(g);SBLOCK,XP(D)::R(M)+S(I)
      • P(g);SBLOCK,XP(E)::R(M)+S(I),XP(h)
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