MESON Chess Problem Database

Problem Display
PID: 148444 (BnKBR3/3pN1bq/6p1/RQN5/2p2kpP/4pp1n/b6P/8 w - - 0 1)

Mitrinovic, Stevan

Chess, 1955

BnKBR3/3pN1bq/6p1/RQN5/2p2kpP/4pp1n/b6P/8

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Sd3#
    • 1...d6
      • 2.Se6#
  • Tries
    • 1.Sxg6+?
      • 1...Kf5
        • 2.Be4#
      • 1...Qxg6!
    • 1.Bc7+?
      • 1...d6
        • 2.Se6#
      • 1...Be5!
    • 1.Qxb8+?
      • 1...d6
        • 2.Se6#
      • 1...Be5!
  • Keys
    • 1.Qxd7!
      • threat
        • 2.Se6#
        • 2.Sd5#
      • 1...Ke5
        • 2.Sxg6#
      • 1...Sxd7
        • 2.Se6#
      • 1...e2
        • 2.Sd5#
      • 1...Qg8
        • 2.Sxg6#
      • 1...Qh5
        • 2.Se6#
      • 1...Sg5
        • 2.Sd5#
      • 1...Sc6
        • 2.Sd5#
      • 1...f2
        • 2.Se6#
      • 1...c3
        • 2.Sd3#
      • 1...g3
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • P(e);N_GUARD::S(E)
    • P(i);N_GUARD::S(E)
  • Tries
    • Try
      • S(F);CHECK,XP(h)
      • Vars
        • K(f);P-FLIGHT::B(G)
      • Refutation
        • Q(k);XS(F)
    • Try
      • B(I);CHECK
      • Vars
        • P(i);P_SPINP(i)::S(E)
      • Refutation
        • B(j);P_SPINB(j)
    • Try
      • Q(D);CHECK,XS(l)
      • Vars
        • P(i);P_SPINP(i)::S(E)
      • Refutation
        • B(j);P_SPINB(j)
  • Actual
    • Q(D);XP(i)
    • Threat
      • DUALS(2)
    • Vars
      • K(f);S_FLIGHT::R(J)+S(F),DCHECK,XP(h)
      • S(l);XQ(D)::S(E)
      • P(b);::S(F)
      • Q(k);N_GUARD::S(F),XP(h)
      • Q(k);::S(E)
      • S(d);::S(F)
      • S(l);::S(F)
      • P(c);::S(E)
      • P(e);N_GUARD::S(E)
      • P(g);::S(F)
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