MESON Chess Problem Database

Problem Display
PID: 99079 (8/3Rp3/q1p5/2p2NpB/R1br1kN1/2r1p3/P5PP/KQ4B1 w - - 0 1)

Cuppini, Alessandro

Magyar Sakkelet, 1977

8/3Rp3/q1p5/2p2NpB/R1br1kN1/2r1p3/P5PP/KQ4B1

#2

11 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Bxe3#
  • Tries
    • 1.Qf1+?
      • 1...Ke4
        • 2.Sg3#
      • 1...Bxf1!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Qf5#
      • 1...Rc1
        • 2.Bxe3#
      • 1...Rc2
        • 2.Bxe3#
      • 1...Rcd3
        • 2.Qf1#
      • 1...Rd1
        • 2.Se2#
      • 1...Rdd3
        • 2.Qf1#
      • 1...Re4
        • 2.Qxe4#
      • 1...Rd5
        • 2.Se2#
        • 2.Qe4#
        • 2.Qf1#
      • 1...Bd3
        • 2.Bxe3#
      • 1...Be6
        • 2.Qb8#
      • 1...e6
        • 2.Rf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(a);N_GUARD,P_PINQ(B)::B(C),XP(b)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(e);P-FLIGHT::S(I)
      • Refutation
        • B(c);P_SPINR(d),XQ(B)
  • Actual
    • S(I);
    • Threat
      • QAR1(B)
    • Vars
      • R(a);N_GUARD,P_PINQ(B)::B(C),XP(b)
      • R(a);N_GUARD::B(C),XP(b)
      • R(a);S_CUTB(c)::QAR(B)
      • R(d);P_PINQ(B),P_SPINB(c)::S(I)
      • R(d);P_SPINB(c)::QAR(B)
      • R(d);N_GUARD::QAR1(B),XR(d)
      • B(c);P_SPINR(d),S_CUTR(a)::B(C),XP(b)
      • B(c);P_SPINR(d),S_CUTP(j)::QAB(B)
      • P(j);OGATE::R(K)
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