MESON Chess Problem Database

Problem Display
PID: 181182 (8/2q1p3/2pQ1PK1/8/1B1p2N1/N2k1P2/2Rpr3/b2n4 w - - 0 1)

Gorgevski, Janco

1st Comm., Studentski zbor, 1989

8/2q1p3/2pQ1PK1/8/1B1p2N1/N2k1P2/2Rpr3/b2n4

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Rxd2#
    • 1...Re3
      • 2.Rxd2#
    • 1...Re4
      • 2.Rxd2#
    • 1...Re5
      • 2.Rxd2#
    • 1...Re6
      • 2.Rxd2#
    • 1...Sb2
      • 2.Rc3#
    • 1...Se3
      • 2.Se5#
  • Tries
    • 1.Qd5?
      • threat
        • 2.Qc4#
      • 1...Sb2
        • 2.Rc3#
        • 2.Qb3#
      • 1...Se3
        • 2.Qe4#
      • 1...cxd5!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qc4#
      • 1...Rxe6
        • 2.Rxd2#
      • 1...Sb2
        • 2.Qb3#
      • 1...Se3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • R(d);N_GUARD::R1(A),XP(c)
    • R(d);N_GUARD,P_PINP(G)::R1(A),XP(c)
    • S(b);N_GUARD,S_CUTB(a)::R1(A)
    • S(b);SBLOCK,S_CUTR(d)::S(E)
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • S(b);S_CUTR(d)::QAB1(F)
      • Refutation
        • P(g);N_SPINP(f),XQ(F)
  • Actual
    • Q(F);N_PINP(f)
    • Threat
      • QAB1(F)
    • Vars
      • R(d);N_GUARD,P_PINP(G),XQ(F)::R1(A),XP(c)
      • S(b);N_GUARD,S_CUTB(a)::QAR2(F)
      • S(b);S_CUTR(d)::QAB1(F)
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