MESON Chess Problem Database

Problem Display
PID: 35059 (2B5/4R3/1B1pN1b1/R2Nq1P1/Q2Pk3/1P4P1/6P1/1K6 w - - 0 1)

Vukcevich, Milan Radoje

2nd HM., The Problemist, 1970

2B5/4R3/1B1pN1b1/R2Nq1P1/Q2Pk3/1P4P1/6P1/1K6

#2

13 + 4

3674 As in all Arts 1996
133 The Problemist Supplement 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Qxg3
      • 2.Sef4#
    • 1...Qxd4
      • 2.Sef4#
    • 1...Qf4
      • 2.Sexf4#
    • 1...Qxd5
      • 2.Sc5#
  • Tries
    • 1.Qc4?
      • threat
        • 2.Qc2#
      • 1...Qxg3
        • 2.Sef4#
        • 2.Sc5#
      • 1...Qxd4
        • 2.Sxd4#
        • 2.Sef4#
        • 2.Sc5#
        • 2.Sec7#
        • 2.Sg7#
        • 2.Sd8#
        • 2.Sf8#
      • 1...Qxd5
        • 2.Sc5#
      • 1...Kf5!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qc2#
      • 1...Kd3
        • 2.Qc2#
      • 1...Kf5
        • 2.Se3#
      • 1...Qxg3
        • 2.Sef4#
      • 1...Qxd4
        • 2.Sc5#
      • 1...Qxd5
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • Q(b);XP(D)::R(L)+S(K)
    • Q(b);P_SPINQ(b),XP(F)::R(L)+S(K)
    • Q(b);::R(L)+S(K),XQ(b)
    • Q(b);SBLOCK,XS(H)::R(L)+S(K),DCHECK
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAB(E)
      • Vars
        • Q(b);XS(H)::R(L)+S(K),DCHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAB(E)
    • Vars
      • K(a);S_FLIGHT::QAB1(E)
      • K(a);S_FLIGHT::S(H)
      • Q(b);XP(D)::R(L)+S(K)
      • Q(b);SBLOCK,XP(F)::R(L)+S(K),DCHECK
      • Q(b);P_SPINQ(b),XS(H)::R(L)+S(K)
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