MESON Chess Problem Database

Problem Display
PID: 138039 (4B3/3N4/qPN3Q1/p2pP3/RpkP2nR/P7/1K6/8 w - - 0 1)

Nedeljkovic, Miomir

Liga Problemista, 1985/2

4B3/3N4/qPN3Q1/p2pP3/RpkP2nR/P7/1K6/8

#2

11 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qb5
      • 2.Qc2#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qd3#
      • 1...Kb5
        • 2.Sxa5#
      • 1...Sxe5
        • 2.Sxe5#
      • 1...Sf2!
  • Keys
    • 1.Sxb4!
      • threat
        • 2.Qd3#
      • 1...Kxd4
        • 2.Sc2#
      • 1...Kb5
        • 2.Qc6#
      • 1...Sxe5
        • 2.Sxe5#
      • 1...axb4
        • 2.Rxb4#
      • 1...Sf2
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • Q(f);SBLOCK::QAR2(I)
  • Tries
    • Try
      • S(J);
      • Threat
        • QAB1(I)
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::B(K)+S(H),XP(d)
        • S(c);XP(F)::S(H),XS(c)
      • Refutation
        • S(c);
  • Actual
    • S(H);XP(a)
    • Threat
      • QAB1(I)
    • Vars
      • K(b);P-FLIGHT,P_SPINS(c),XP(D)::R(C)+S(H),DCHECK
      • K(b);S_FLIGHT::QAB1(I)
      • S(c);XP(F)::S(J),XS(c)
      • P(d);OGATE,P_SPINP(d),XS(H)::R1(C),XP(d)
      • S(c);::QAR2(I)
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