MESON Chess Problem Database

Problem Display
PID: 207655 (1BR5/5p2/8/Rbpk1rNQ/3P4/N4P2/3Kn3/1B6 w - - 0 1)

Bylevski, Aleksandr

Bylevski, Boris

Sachova skladba, 1991

1BR5/5p2/8/Rbpk1rNQ/3P4/N4P2/3Kn3/1B6

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sxd4
      • 2.Be4#
    • 1...cxd4
      • 2.Ba2#
      • 2.Be4#
      • 2.Rxb5#
  • Tries
    • 1.Qxf7+?
      • 1...Kxd4
        • 2.Sc2#
        • 2.Sxb5#
      • 1...Rxf7!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Rxc5#
      • 1...Kc4
        • 2.Ba2#
      • 1...Rxg5
        • 2.Qxf7#
      • 1...Sxd4
        • 2.Se3#
      • 1...cxd4
        • 2.Sb4#
        • 2.Ba2#
        • 2.Rxb5#
      • 1...Bc6
        • 2.Ba2#
        • 2.Rxc5#
      • 1...c4
        • 2.Rxb5#
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK,XP(E)::B(A)
  • Tries
    • Try
      • Q(H);CHECK,XP(f)
      • Refutation
        • R(e);XQ(H)
  • Actual
    • S(C);
    • Threat
      • R1(J),XP(c)
    • Vars
      • K(d);P_SPINP(c),S_FLIGHT::B(A)
      • R(e);N_GUARD,P_SPINR(e),XS(G)::QAB(H),XP(f)
      • S(a);SBLOCK,XP(E)::S(C)
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