MESON Chess Problem Database

Problem Display
PID: 136162 (Q7/Pn5p/4N1pP/3RP1P1/3PkP2/4N3/4K3/8 w - - 0 1)

Buglos, Janos

Prize, Rapid Composing Ty., 2002

Q7/Pn5p/4N1pP/3RP1P1/3PkP2/4N3/4K3/8

#2

11 + 4

14674 Attila Benedek - That's All 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Sa5
      • 2.Rxa5#
    • 1...Sc5
      • 2.Rxc5#
    • 1...Sd6
      • 2.Rxd6#
    • 1...Sd8
      • 2.Rxd8#
  • Tries
    • 1.Kd2?
      • 1...Sa5
        • 2.Rxa5#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sd6
        • 2.Rxd6#
      • 1...Sd8
        • 2.Rxd8#
      • 1...Kf3!
    • 1.Qb8?
      • 1...Sa5
        • 2.Qb1#
      • 1...Sd6
        • 2.Qb1#
      • 1...Sd8
        • 2.Qb1#
      • 1...Sc5!
    • 1.f5?
      • 1...Sa5
        • 2.Rxa5#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sd6
        • 2.Rxd6#
      • 1...Sd8
        • 2.Rxd8#
      • 1...gxf5!
  • Keys
    • 1.Qf8!
      • 1...Sa5
        • 2.Sc5#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sd6
        • 2.Sc5#
      • 1...Sd8
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATEB::QAB(K)+R(E),XS(c)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • S(c);OGATEB::QAB(K)+R(E),XS(c)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(K);
      • Vars
        • S(c);OGATE::QAB(K)
      • Refutation
        • S(c);
    • Try
      • P(D);
      • Vars
        • S(c);OGATEB::QAB(K)+R(E),XS(c)
      • Refutation
        • P(b);XP(D)
  • Actual
    • Q(K);
    • Vars
      • S(c);N_GUARD::S(H)
      • S(c);N_GUARD::S(H),XS(c)
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