MESON Chess Problem Database

Problem Display
PID: 95622 (7K/p1N5/2b3N1/r5p1/Rb1Pk1n1/1Q1R3B/pp4P1/B7 w - - 0 1)

Armeni, Alberto

2nd Comm., L'Italia Scacchistica, 1985

7K/p1N5/2b3N1/r5p1/Rb1Pk1n1/1Q1R3B/pp4P1/B7

#2

10 + 9

14744 Nuova Antologia dei Problemisti Italiani 1992
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qe6#
  • Tries
    • 1.Re3+?
      • 1...Kxd4
        • 2.Se6#
        • 2.Qc3#
      • 1...Kf5
        • 2.Qe6#
        • 2.Qf7#
      • 1...Sxe3!
  • Keys
    • 1.Rg3!
      • threat
        • 2.Qd3#
      • 1...Kxd4
        • 2.Qxb4#
      • 1...Kf5
        • 2.Qe6#
      • 1...b1Q
        • 2.Qf3#
      • 1...b1B
        • 2.Qf3#
      • 1...Se5
        • 2.Qe3#
      • 1...Bc3
        • 2.Qc2#
      • 1...Bb5
        • 2.Qd5#
      • 1...Sf2
        • 2.Qe3#
      • 1...Se3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(d);P_SPINS(e),S_FLIGHT::QAB1(C)
  • Tries
    • Try
      • R(D);CHECK
      • Refutation
        • S(e);XR(D)
  • Actual
    • R(D);
    • Threat
      • QAB1(C)
    • Vars
      • K(d);OGATEB,P-FLIGHT,P_SPINB(c),P_SPINP(b),XP(G)::QAR2(C),XB(c)
      • K(d);P_SPINS(e),S_FLIGHT::QAB1(C)
      • P(b);::QAB1(C)
      • S(e);N_GUARD::QAR1(C)
      • B(c);P_PINP(G)::QAB(C)
      • B(h);N_GUARD,S_CUTR(f)::QAB1(C)
      • S(e);N_GUARD::QAR1(C),XS(e)
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