MESON Chess Problem Database

Problem Display
PID: 138237 (3R4/3N2p1/pp6/1r1kBB2/Qp3P2/8/2N1P3/1bK5 w - - 0 1)

Mentasti, Gino

4th HM., Ceramica di Imola, 1975

3R4/3N2p1/pp6/1r1kBB2/Qp3P2/8/2N1P3/1bK5

#2

9 + 7

14744 Nuova Antologia dei Problemisti Italiani 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Se3#
    • 1...Kc6
      • 2.Be4#
    • 1...Ra5
      • 2.Se3#
    • 1...Rc5
      • 2.Sxb6#
    • 1...b3
      • 2.Qe4#
    • 1...a5
      • 2.Qxb5#
  • Tries
    • 1.Rc8?
      • threat
        • 2.Se3#
        • 2.Qb3#
        • 2.e4#
      • 1...Rc5
        • 2.Sxb6#
      • 1...Ba2
        • 2.Se3#
        • 2.e4#
      • 1...b3
        • 2.Se3#
        • 2.Qc4#
        • 2.Qd4#
        • 2.Qe4#
        • 2.e4#
      • 1...Bxc2!
  • Keys
    • 1.Qxa6!
      • threat
        • 2.Qxb5#
      • 1...Kc4
        • 2.Be6#
      • 1...Kc6
        • 2.Qa8#
      • 1...Ra5
        • 2.Sxb4#
      • 1...Rc5
        • 2.Sb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • K(d);P_SPINP(b),S_FLIGHT::S(B)
    • K(d);P_SPINR(c),S_FLIGHT::B(G)
    • R(c);::S(B)
    • R(c);P_PINS(B),SBLOCK::R(I)+S(H),DCHECK,XP(f)
    • P(b);OGATE::QAB1(D)
    • P(e);N_GUARD::QAR2(D),XR(c)
  • Tries
    • Try
      • R(I);
      • Threat
        • DUALS(3)
      • Vars
        • R(c);N_GUARD,P_PINS(B)::S(H),XP(f)
      • Refutation
        • B(a);XS(B)
  • Actual
    • Q(D);XP(e)
    • Threat
      • QAR2(D),XR(c)
    • Vars
      • K(d);P_SPINR(c),S_FLIGHT::B(G)
      • K(d);P_SPINP(f),S_FLIGHT::QAB(D)
      • R(c);N_GUARD::S(B),XP(b)
      • R(c);P_PINS(B),SBLOCK::R(I)+S(H)
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