MESON Chess Problem Database

Problem Display
PID: 134738 (b6B/2PB1K2/8/r2k4/2pPN3/2b2P2/4p3/1r2q3 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Comm., Zagreb TT, 2008

b6B/2PB1K2/8/r2k4/2pPN3/2b2P2/4p3/1r2q3

#2

7 + 8

145 StrateGems 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Be6#
  • Tries
    • 1.c8Q?
      • threat
        • 2.Be6#
      • 1...Rb7
        • 2.Qc6#
      • 1...Ra6
        • 2.Qc5#
      • 1...Ra7
        • 2.Qc5#
      • 1...Rb6!
  • Keys
    • 1.c8S!
      • threat
        • 2.Se7#
      • 1...Qh4
        • 2.Sxc3#
      • 1...Bb4
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(h);SBLOCK::B(E)
  • Tries
    • Try
      • P(D);
      • Threat
        • B(E)
      • Vars
        • R(a);P_PINB(E),S_CUTB(h)::QAB1(D)
        • R(f);N_GUARD::QAR1(D)
        • R(f);N_GUARD,P_PINB(E)::QAR1(D)
      • Refutation
        • R(a);
  • Actual
    • P(D);
    • Threat
      • S(D)
    • Vars
      • Q(b);N_GUARD::S(C),XB(d)
      • B(d);S_CUTR(a)::S(D)
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