MESON Chess Problem Database

Problem Display
PID: 67395 (R7/7b/8/B1bBQ1n1/p2N4/8/1P6/k1K5 w - - 0 1)

Kovacevic, Marjan

2nd HM., Mitrinovic MT, 1982

R7/7b/8/B1bBQ1n1/p2N4/8/1P6/k1K5

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Sxc2#
    • 1...Bg8
      • 2.Sc2#
    • 1...Se4
      • 2.Sc2#
  • Tries
    • 1.Bc3?
      • threat
        • 2.b4#
      • 1...Bxd4
        • 2.Rxa4#
      • 1...Ba3
        • 2.bxa3#
      • 1...Se4
        • 2.Sc2#
      • 1...Bb4!
  • Keys
    • 1.b4!
      • threat
        • 2.Sc2#
      • 1...Bxd4
        • 2.Qxd4#
      • 1...axb4 ep
        • 2.Bc3#
      • 1...Bc2
        • 2.Sxc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(e);N_GUARD::S(C),XB(e)
    • B(e);N_GUARD::S(C)
    • S(d);S_CUTB(e)::S(C)
  • Tries
    • Try
      • B(D);P_PINP(b)
      • Threat
        • B(D)+P(B)
      • Vars
        • B(c);N_GUARD,XS(C)::R(G),XP(b)
        • B(c);N_SPINP(b),OGATE,P_PINP(B)::B(D)+P(B),XB(c)
        • S(d);S_CUTB(e)::S(C)
      • Refutation
        • B(c);
  • Actual
    • P(B);
    • Threat
      • QAB(F)+S(C),DCHECK
    • Vars
      • B(c);OGATE,P_SPINB(c),XS(C)::QAB(F),XB(c)
      • P(b);EP,OGATE,XP(B)::R(G)+B(D),DCHECK
      • B(e);::QAB(F)+S(C),DCHECK,XB(e)
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