MESON Chess Problem Database

Problem Display
PID: 266866 (7B/8/1Q2p3/2Nk2K1/8/1P6/n1n3P1/1Br5 w - - 0 1)

Vinagre, Jose C

The Problemist, 1998

7B/8/1Q2p3/2Nk2K1/8/1P6/n1n3P1/1Br5

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Be4#
    • 1...Se1
      • 2.Be4#
    • 1...Sa3
      • 2.Be4#
    • 1...Se3
      • 2.Be4#
    • 1...Sb4
      • 2.Be4#
    • 1...Sd4
      • 2.Be4#
  • Tries
    • 1.Qb7+?
      • 1...Kd6
        • 2.Se4#
      • 1...Kxc5!
  • Keys
    • 1.Se4!
      • threat
        • 2.Qb7#
      • 1...Kxe4
        • 2.Qd4#
      • 1...Sab4
        • 2.Sc3#
      • 1...Sa1
        • 2.Qd6#
      • 1...Se1
        • 2.Qd6#
      • 1...Sa3
        • 2.Qd6#
      • 1...Se3
        • 2.Qd6#
      • 1...Scb4
        • 2.Qd6#
      • 1...Sd4
        • 2.Qd6#
      • 1...e5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 6
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE::B(A)
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • K(d);P-FLIGHT::S(D)
      • Refutation
        • K(d);P-FLIGHT,XS(D)
  • Actual
    • S(D);
    • Threat
      • QAB(F)
    • Vars
      • K(d);N_GUARD,P_SPINS(c),S_FLIGHT,XS(D)::QAR1(F)
      • S(b);N_GUARD::S(D)
      • S(c);::QAR1(F)
      • P(e);SBLOCK::S(D)
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