MESON Chess Problem Database

Problem Display
PID: 167326 (Q7/2n5/1r2p3/3nB3/2N1kP2/4p1K1/4B3/8 w - - 0 1)

Brozus, Hartmut

Der Tagesspiegel (Berlin), 1997

Q7/2n5/1r2p3/3nB3/2N1kP2/4p1K1/4B3/8

#2

6 + 6

15148 Sadier Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Bd3#
    • 1...Rb1
      • 2.Sd6#
    • 1...Rb2
      • 2.Sd6#
    • 1...Rb3
      • 2.Sd6#
    • 1...Rb4
      • 2.Sd6#
    • 1...Rb5
      • 2.Sd6#
    • 1...Rd6
      • 2.Sxd6#
    • 1...Rb7
      • 2.Sd6#
    • 1...Rb8
      • 2.Sd6#
  • Tries
    • 1.Sd2+?
      • 1...Kf5
        • 2.Bd3#
      • 1...exd2!
  • Keys
    • 1.Qb7!
      • 1...Kf5
        • 2.Bd3#
      • 1...Rxb7
        • 2.Sd6#
      • 1...Ra6
        • 2.Qb1#
      • 1...Rb1
        • 2.Sd6#
        • 2.Qxb1#
      • 1...Rb2
        • 2.Sd6#
      • 1...Rb3
        • 2.Sd6#
      • 1...Rb4
        • 2.Sd6#
      • 1...Rb5
        • 2.Sd6#
      • 1...Rc6
        • 2.Qb1#
      • 1...Rd6
        • 2.Sxd6#
        • 2.Qb1#
      • 1...Sb5
        • 2.Qh7#
      • 1...Sa6
        • 2.Qh7#
      • 1...Sa8
        • 2.Qh7#
      • 1...Se8
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • K(b);N_SPINS(c),S_FLIGHT::B(A)
    • R(d);N_GUARD::S(C)
    • R(d);N_GUARD::S(C),XR(d)
    • R(d);N_GUARD,N_SPINS(c)::S(C)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(b);N_SPINS(c),S_FLIGHT::B(A)
      • Refutation
        • P(a);XS(C)
  • Actual
    • Q(F);
    • Vars
      • K(b);N_SPINS(c),S_FLIGHT::B(A)
      • R(d);N_GUARD,N_SPINS(c),XQ(F)::S(C)
      • R(d);OGATE::QAB(F)
      • R(d);N_GUARD::S(C)
      • R(d);N_SPINS(c),OGATE::QAB(F)
      • S(f);OGATE::QAB(F)
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