MESON Chess Problem Database

Problem Display
PID: 80885 (B1nK1Q1b/3N4/4k3/7r/4P2n/3p1p2/2N5/3R4 w - - 0 1)

Saljic, Darko

2nd HM., Mat Plus, 1998-1999

B1nK1Q1b/3N4/4k3/7r/4P2n/3p1p2/2N5/3R4

#2

7 + 7

5929 Mat Plus Special Issue 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Bxd5#
      • 2.exd5#
    • 1...Re5
      • 2.Sd4#
    • 1...Rh6
      • 2.Bd5#
    • 1...Rh7
      • 2.Bd5#
    • 1...Bd4
      • 2.Sxd4#
    • 1...Be5
      • 2.Sc5#
      • 2.Bd5#
    • 1...Bf6+
      • 2.Qxf6#
    • 1...Sf5
      • 2.Bd5#
    • 1...Sb6
      • 2.Qe7#
    • 1...Sd6
      • 2.Qe7#
    • 1...Sa7
      • 2.Qe7#
    • 1...Se7
      • 2.Qxe7#
    • 1...dxc2
      • 2.Qg8#
  • Tries
    • 1.Qe8+?
      • 1...Se7
        • 2.Qxe7#
      • 1...Kd6!
  • Keys
    • 1.e5!
      • threat
        • 2.Sd4#
      • 1...Bf6+
        • 2.Qxf6#
      • 1...Bxe5
        • 2.Sc5#
      • 1...dxc2
        • 2.Bd5#
      • 1...Sf5
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • R(d);S_CUTB(g)::S(B)
    • R(d);N_GUARD::B(E)
    • B(g);N_GUARD::S(B),XB(g)
    • B(g);CHECK,N_GUARD::QAR1(G),XB(g)
    • S(c);S_CUTR(d)::B(E)
    • S(f);N_GUARD::QAR1(G)
    • S(f);N_GUARD::QAR1(G),XS(f)
    • P(a);XS(B)::QAB(G)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • S(f);N_GUARD,P_SPINS(f)::QAR1(G),XS(f)
      • Refutation
        • K(e);P-FLIGHT,P_SPINP(a)
  • Actual
    • P(C);
    • Threat
      • S(B)
    • Vars
      • B(g);CHECK,N_GUARD::QAR1(G),XB(g)
      • B(g);SBLOCK,XP(C)::S(D)
      • P(a);XS(B)::B(E)
      • S(c);SBLOCK::QAB(G)
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