MESON Chess Problem Database

Problem Display
PID: 29680 (8/nQ4p1/K1pp4/p2N2bR/2kP3R/3NpB1r/P1qp4/Bn6 w - - 0 1)

Kovacevic, Marjan

Sp. HM., Barulin-100 MT, 1999

8/nQ4p1/K1pp4/p2N2bR/2kP3R/3NpB1r/P1qp4/Bn6

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Sb2#
    • 1...Qb3
      • 2.Qxb3#
    • 1...Qa4
      • 2.Sb2#
    • 1...Qc1
      • 2.Qb3#
    • 1...Qb2
      • 2.Sxb2#
  • Keys
    • 1.Be2!
      • threat
        • 2.Sb6#
      • 1...Kxd5
        • 2.Qf7#
      • 1...Qxd3
        • 2.Qb3#
      • 1...Qxa2
        • 2.S3f4#
      • 1...cxd5
        • 2.Se5#
      • 1...Qb3
        • 2.Qxb3#
      • 1...Qb2
        • 2.S3b4#
      • 1...Bd8
        • 2.Sb2#
      • 1...Sc8
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • Q(b);N_GUARD::S(C)
    • Q(b);N_GUARD::QAB1(J),XQ(b)
    • Q(b);N_GUARD::QAB1(J)
    • Q(b);N_GUARD::S(C),XQ(b)
  • Actual
    • B(D);
    • Threat
      • S(G)
    • Vars
      • K(f);OGATEB,P_SPINB(h),P_SPINP(i),S_FLIGHT,XS(G)::QAB(J)
      • Q(b);N_GUARD,P_SPINQ(b),XS(C)::QAB1(J)
      • Q(b);N_GUARD,XP(B)::B(D)+S(C)
      • P(i);XS(G)::B(D)+S(C),DCHECK
      • Q(b);N_GUARD::QAB1(J),XQ(b)
      • Q(b);N_GUARD::B(D)+S(C)
      • B(h);::B(D)+S(C),DCHECK
      • S(k);N_GUARD::QAR2(J),XP(i)
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