MESON Chess Problem Database

Problem Display
PID: 64521 (8/1p4K1/qp6/7B/R2P1Q2/2BR3N/1N1PP1p1/4k1rn w - - 0 1)

Kovacevic, Marjan

2nd HM., Schach-Echo, 1980

8/1p4K1/qp6/7B/R2P1Q2/2BR3N/1N1PP1p1/4k1rn

#2

11 + 7

3752 FIDE Album (1980-1982) 1988
14475 Mat Plus Review 2007
56 The Problemist 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Ra1#
    • 1...Qb5
      • 2.Ra1#
    • 1...Sf2
      • 2.Qxf2#
    • 1...Sg3
      • 2.Qf2#
  • Tries
    • 1.Re3?
      • threat
        • 2.d3#
      • 1...Sf2
        • 2.Qxf2#
      • 1...Qd3
        • 2.exd3#
      • 1...Qc4
        • 2.Ra1#
      • 1...Qa5!
    • 1.Rxa6?
      • threat
        • 2.Ra1#
      • 1...Sf2
        • 2.Qxf2#
      • 1...bxa6!
    • 1.Qe3?
      • threat
        • 2.Qxg1#
      • 1...Kf1
        • 2.Qxg1#
      • 1...Sf2
        • 2.Qxf2#
      • 1...Sg3
        • 2.Qf2#
      • 1...Rf1!
  • Keys
    • 1.e4!
      • 1...Qxd3
        • 2.Sxd3#
      • 1...Qxa4
        • 2.Re3#
      • 1...Sf2
        • 2.Qxf2#
      • 1...Rf1
        • 2.Qe3#
      • 1...Qc4
        • 2.Ra1#
      • 1...Qb5
        • 2.Ra1#
      • 1...Qa5
        • 2.Re3#
      • 1...Qa7
        • 2.Re3#
      • 1...Qa8
        • 2.Re3#
      • 1...Sg3
        • 2.Qf2#
      • 1...b5
        • 2.Re3#

This is a version

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • Q(e);N_GUARD::R(G)
    • S(c);N_GUARD::QAB1(I),XS(c)
    • S(c);N_GUARD::QAB1(I)
  • Tries
    • Try
      • R(E);
      • Threat
        • B(D)+P(B)
      • Vars
        • S(c);N_GUARD::QAB1(I),XS(c)
        • Q(e);OGATE::R(E)+P(C),XQ(e)
        • Q(e);N_GUARD::R(G)
      • Refutation
        • Q(e);
    • Try
      • R(G);XQ(e)
      • Threat
        • R(G)
      • Vars
        • S(c);N_GUARD::QAB1(I),XS(c)
      • Refutation
        • P(g);XR(G)
    • Try
      • Q(I);
      • Threat
        • QAR2(I),XR(b)
      • Vars
        • K(a);P-FLIGHT::QAR1(I),XR(b)
        • S(c);N_GUARD::QAB1(I),XS(c)
        • S(c);N_GUARD::QAB1(I)
      • Refutation
        • R(b);
  • Actual
    • P(C);
    • Vars
      • Q(e);XR(E)::S(A),XQ(e)
      • Q(e);N_GUARD,XR(G)::R(E)
      • S(c);N_GUARD::QAB1(I),XS(c)
      • R(b);SBLOCK::QAR2(I)
      • Q(e);N_GUARD::R(G)
      • Q(e);N_GUARD::R(E)
      • S(c);N_GUARD::QAB1(I)
      • P(f);S_CUTQ(e)::R(E)
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