MESON Chess Problem Database

Problem Display
PID: 93548 (3B4/b4N2/2K1k2N/5b2/4p1p1/3Pn2B/5PQ1/4Rn2 w - - 0 1)

Nesic, Milivoj S

idee & form, 1989

3B4/b4N2/2K1k2N/5b2/4p1p1/3Pn2B/5PQ1/4Rn2

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...exd3
      • 2.Qd5#
    • 1...g3
      • 2.Qxe4#
  • Tries
    • 1.Qg3?
      • threat
        • 2.Sg5#
        • 2.Qe5#
        • 2.Qd6#
      • 1...Bd4
        • 2.Sg5#
        • 2.Qd6#
      • 1...Bc5
        • 2.Sg5#
        • 2.Qe5#
      • 1...Bb8
        • 2.Sg5#
      • 1...Sc4
        • 2.Sg5#
      • 1...Sxg3!
  • Keys
    • 1.f4!
      • threat
        • 2.Sg5#
      • 1...exf4 ep
        • 2.Qa2#
      • 1...gxf4 ep
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • P(c);OGATE,P_SPINS(b),XP(D)::QAB1(C)
    • P(d);P_SPINB(e)::QAR2(C),XP(c)
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(3)
      • Vars
        • B(g);::S(H)
        • S(b);P_SPINP(c)::S(H)
      • Refutation
        • S(a);XQ(C)
  • Actual
    • P(B);
    • Threat
      • S(H)
    • Vars
      • P(c);EP,P_SPINS(b),XP(B)::QAB(C)
      • P(d);EP,OGATE,P_SPINB(e),XP(B)::QAR2(C)
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