MESON Chess Problem Database

Problem Display
PID: 86858 (8/BKb3p1/Bn6/k7/1p3p2/pPP5/7Q/8 w - - 0 1)

Borkenko, V

Republika, 1990

8/BKb3p1/Bn6/k7/1p3p2/pPP5/7Q/8

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Bxb6#
    • 1...Bd6
      • 2.Bxb6#
    • 1...Bb8
      • 2.Bxb6#
  • Tries
    • 1.Qh5+?
      • 1...Be5
        • 2.Bxb6#
      • 1...Sd5
        • 2.Qxd5#
      • 1...g5!
  • Keys
    • 1.Qd2!
      • threat
        • 2.cxb4#
      • 1...bxc3
        • 2.Qxc3#
      • 1...Bd6
        • 2.Bxb6#
      • 1...Sd5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(f);N_GUARD::B(E),XS(e)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • B(f);P_SPINB(f)::B(E),XS(e)
        • S(e);N_GUARD,P_SPINS(e)::QAR(A),XS(e)
      • Refutation
        • P(g);P_SPINP(g)
  • Actual
    • Q(A);
    • Threat
      • P(C),XP(b)
    • Vars
      • P(b);OGATE,P_SPINP(b),XP(C)::QAB(A),XP(b)
      • B(f);N_GUARD::B(E),XS(e)
      • S(e);N_GUARD::QAR(A),XS(e)
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