MESON Chess Problem Database

Problem Display
PID: 7830 (1K6/2N4p/1R2p3/6pr/2B1Rp1r/ppkp4/q1p2N1b/2B2b2 w - - 0 1)

Buglos, Janos

4th Prize, Fleck-85 JT, 1994

1K6/2N4p/1R2p3/6pr/2B1Rp1r/ppkp4/q1p2N1b/2B2b2

#2

7 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Qa1
      • 2.Rxb3#
    • 1...e5
      • 2.Sd5#
  • Tries
    • 1.Bd5?
      • threat
        • 2.Sb5#
        • 2.Rc4#
        • 2.Rc6#
      • 1...exd5
        • 2.Sb5#
        • 2.Sxd5#
        • 2.Rc6#
      • 1...b2
        • 2.Sb5#
      • 1...f3
        • 2.Rc6#
      • 1...d2!
    • 1.Rc6?
      • threat
        • 2.Bxd3#
        • 2.Bb5#
        • 2.Bd5#
        • 2.Ba6#
        • 2.Bxe6#
      • 1...b2
        • 2.Bxa2#
      • 1...d2
        • 2.Bxf1#
        • 2.Be2#
        • 2.Bd3#
      • 1...g4
        • 2.Bd5#
      • 1...e5
        • 2.Sd5#
        • 2.Bxd3#
        • 2.Bb5#
        • 2.Bd5#
        • 2.Ba6#
        • 2.Be6#
        • 2.Bf7#
        • 2.Bg8#
      • 1...Kb4!
  • Keys
    • 1.Bxe6!
      • threat
        • 2.Sb5#
        • 2.Sd5#
        • 2.Rc4#
        • 2.Rc6#
      • 1...b2
        • 2.Sb5#
      • 1...d2
        • 2.Sd5#
      • 1...f3
        • 2.Rc6#
      • 1...g4
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • Q(b);N_GUARD::R1(E),XP(f)
    • P(m);N_GUARD::S(F)
  • Tries
    • Try
      • B(C);
      • Threat
        • DUALS(3)
      • Vars
        • P(f);::S(F)
        • P(i);P_PINS(F)::R(E)
      • Refutation
        • P(h);
    • Try
      • R(E);
      • Threat
        • DUALS(5)
      • Vars
        • P(f);OGATE::R(E)+B(C),XQ(b)
        • P(k);::R(E)+B(C)
      • Refutation
        • K(g);S_FLIGHT
  • Actual
    • B(C);XP(m)
    • Threat
      • DUALS(4)
    • Vars
      • P(f);::S(F)
      • P(h);::S(F)
      • P(i);P_PINS(F)::R(E)
      • P(k);::R1(D)
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